POSNA AM19 Preliminary Program : simplebooklet.com

THANK YOU The Pediatric Orthopaedic Society of North America gratefully acknowledges the following for their generous financial support for 2018 We sincerely appreciate each of these companies for helping POSNA fulfill its goals of providing education and fostering research HOWARD STEEL FOUNDATION ST GILES FOUNDATION ANGELA S M KUO MEMORIAL FUND DOUBLE DIAMOND LEVEL K2M NuVasive Inc OrthoPediatrics DIAMOND LEVEL DePuy Synthes Medtronic Shriners Hospitals for Children Stryker PLATINUM LEVEL Zimmer Biomet Arthrex Biogen GOLD LEVEL SILVER LEVEL Children s Mercy Kansas City EOS Imaging Implanet BioMarin Pharmaceutical Globus Medical Smith Nephew Vilex In Tennessee Inc Wright Medical Pega Medical sponsored Lanyards Stanford Children s Health Sponsored Pens Provided financial support to POSNA for the 2018 Annual Meeting The Pediatric Orthopaedic Society of North America gratefully acknowledges K2M as the 2019 Sponsor of POSNA s Annual Meeting Preliminary Program

Page 3

WELCOME TABLE OF CONTENTS Chair s Invitation 2 Housing Transportation 3 General Meeting Information 4 Objectives Accreditation 4 Meeting at a Glance 6 Registration Information 7 Pre Course Agenda 8 Scientific Program 10 Symposia Program 16 Young Member Forum 20 Subspecialty Day 23 Video Abstracts 39 Paper Posters 40 ePosters 42 2018 Awards and Research Grant Recipients 48 Things to Do 49 About POSNA Back Cover DATES TO REMEMBER Early Registration Deadline March 20 2019 Pre Registration Closes April 10 2019 After April 10 2019 please register onsite Housing Deadline April 23 2019 FUTURE ANNUAL MEETINGS May 13 16 2020 San Diego California May 12 15 2021 Dallas Texas May 11 14 2022 Vancouver BC Canada FUTURE IPOS MEETINGS December 3 7 2019 Orlando FL Program Subject to Change December 1 5 2020 Orlando FL December 7 11 2021 Orlando FL 1

Page 4

YOU RE INVITED Dear Colleagues On behalf of POSNA President Steven Frick MD and the 2019 Program Committee Jeffrey Sawyer MD Jeffrey Martus MD and Wudbhav Woody Sankar MD and I it is my great honor to invite you to the 2019 Annual Meeting of the Pediatric Orthopaedic Society of North America in Charlotte North Carolina on May 15 18 2019 Once again a record number 924 of abstracts were submitted to the Annual Meeting and these were graded by a combination of invited and volunteer readers Thank you to all 100 POSNA members who volunteered they have helped to shape a great meeting All 169 podium presentations 20 posters and 80 ePosters are outstanding Premiering this year are 11 video abstracts now showing in the Video Theater and available on POSNAcademy The meeting agenda follows The Pre Course begins Wednesday morning Improving Patient Care through Wellness Teamwork and Organizational Changes chaired by Brian Scannell MD The first scientific session begins on Wednesday afternoon and will be followed by the Opening Ceremony Wednesday evening Thursday we will have the Symposia Program from 10 00 AM 12 00 PM with offerings like POPS COUR Research Trauma Innovation and Technology and Educate the Educator This shift for the Symposia makes room for the free afternoon outdoor recess on Thursday afternoon The 5th Annual Arabella Leet MD Young Member Forum will be held on Thursday during lunchtime from 12 30 PM 1 30 PM and it is organized by Jennifer Weiss MD The Member Business Meeting will take place at lunchtime on Friday 11 30 AM 1 00 PM to allow meetings in the mornings before the start of the scientific session Friday afternoon will be devoted to eight subspecialty sessions covering advanced topics in Spine Hip Sports Upper Extremity Foot Trauma Neuromuscular and Lower Extremity Each session will have six podium presentations that are staggered through the afternoon so attendees can move to different sessions to hear either the paper session or the programs put together by Jeffrey Martus MD and the Subspecialty Day Program Chairs This year s local co hosts Brian Brighton MD and his wife Erin Brighton and Virginia Casey MD and her husband Kevin Casey have been instrumental in identifying great offerings for Thursday afternoon and the venue for our Closing Reception the NASCAR Hall of Fame The Annual Meeting has become the premier venue for pediatric orthopaedic research and education presented in a uniquely collegial and social atmosphere We sincerely hope you plan to join us for what promises to be an exciting event I look forward to seeing you in Charlotte Sincerely Michelle Caird MD 2

Page 5

HOUSING TRANSPORTATION MEETING INFORMATION Charlotte Convention Center The Annual Meeting will be held at the Charlotte Convention Center in Centery City From thrilling adventures to moving artistic performances to magnetic nightlife see what the Queen City has to offer HOUSING INFORMATION The Westin Charlotte Across the street from the Convention Center 601 S College St Charlotte NC 28202 Online reservations https www starwoodmeeting com Book 2019AnnualMeetingPOSNA Phone reservations 866 837 4148 Please reference the POSNA Group Block Housing Deadline 4 23 Hyatt Place Charlotte Downtown 4 miles from the Convention Center 222 S Caldwell St Charlotte NC 28202 Online reservations https www hyatt com en US hotel north carolina hyatt place charlotte downtown cltzu corp_id G POSN Phone reservations 800 933 4751 Please reference the Group Code G POSN Housing Deadline 4 23 TRANSPORTATION Ground Transportation to from Airport A variety of ground transportation options are available to from the Charlotte Douglas International Airport and the conference hotels in Center City Taxis are a flat 25 rate to Center City not including tip Uber and Lyft are an average of 20 Affordable Charlotte Shuttle www affordablecharlotteshuttle com is 28 for a one way ride and can be booked in advance Courtesy of charlottesgotalot com Getting Around Town You ll find that many of Center City s hotels attractions restaurants and nightlife are located within comfortable walking distance of each other If you prefer not to walk CATS operates local bus routes and the Lynx light rail Please visit www ridetransit org for schedules fares and other services Ubers Lyfts and taxis are also readily available Most hotels within Center City partner with limousine companies and will have town cars and other vehicles oncall for hotel guests Please inquire with your hotel for more information Charlotte also has bicycles and scooters available for rent including B Cycle Lime bike and scooter and Bird You may visit their websites for further information There are a variety of private transportation companies that can also be booked in advance for airport transportation To see a complete list of airport approved companies please visit http www cltairport com GroundTransportation Pages Shuttle 20Service aspx All transportation can be picked up outside baggage claim in between Zone C and D Early Registation Deadline March 20 2019 Register Online Today at posna org 3

Page 6

GENERAL MEETING INFORMATION LEARNING OBJECTIVES Objective 1 Learn about the latest advances in pediatric orthopaedic surgery Objective 2 Obtain opinions of world renowned thought leaders in the field Objective 3 Use the information obtained to make improvements in their own practices Objective 4 Fulfill the annual meeting requirements for membership in POSNA ACCREDITATION This Annual Meeting of the Pediatric Orthopaedic Society of North America has been planned and implemented in accordance with the accreditation requirements and policies of the Accreditation Council for Continuing Medical Education ACCME through the joint providership of the American Academy of Orthopaedic Surgeons and POSNA The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians CONTINUING MEDICAL EDUCATION The American Academy of Orthopaedic Surgeons designates this live activity for a maximum of 18 75 AMA PRA Category 1 Credits Physicians should claim only the credit commensurate with the extent of their participation in the activity DISCLAIMER The material presented at the Annual Meeting has been made available by the Pediatric Orthopaedic Society of North America for educational purposes only The material is not intended to represent the only nor necessarily best method or procedure appropriate for the medical situations discussed but rather is intended to present an approach view statement or opinion of the faculty which may be helpful to others who face similar situations POSNA disclaims any and all liability for injury or other damages resulting to any individual attending the Annual Meeting and for all claims which may arise out of the use of the techniques demonstrated therein by such individuals whether these claims shall be asserted by physician or any other person DISCLOSURE Each faculty member in this meeting has been asked to disclose if he or she has received something of value from a commercial company or institution which relates directly 4 Early Registation Deadline March 20 2019 Register Online Today at posna org or indirectly to the subject of their presentation An indication of the participant s disclosure appears after his or her name as well as the commercial company or institution that provided the support POSNA does not view the existence of these disclosed interests or commitments as necessarily implying bias or decreasing the value of the author s participation in the meeting LANGUAGE English is the official language of POSNA NO SMOKING POLICY Smoking is not permitted during any meeting or event NO CAMERAS OR VIDEO CAMERAS Cameras or video cameras may not be used in any portion of the scientific session REPRODUCTION POLICY POSNA reserves any and all rights to materials presented at the Annual Meeting including video abstracts posters and ePosters Reproductions of any kind by any person or entity without prior written permission from POSNA are strictly prohibited Prohibited reproductions include but are not limited to audiotapes videotape and or still photography Cameras or video cameras may not be used in any portion of the scientific sessions Persons violating this policy may have their badge confiscated and be escorted from the meeting No unapproved surveys handouts or literature may be distributed at the meeting PHOTOGRAPHY Registration and attendance at or participation in POSNA activities constitutes an agreement by the registrant to allow POSNA to capture retain and utilize both now and in the future the attendees image likeness voice and actions whether captured live or recorded and in any format during the Annual Meeting for display exhibition publication or reproduction in any medium or context for any purpose including but not limited to POSNA member communications commercial or promotional purposes PRIVACY POLICY USE OF PERSONAL INFORMATION Annual Meeting registration lists including the registrant s name and postal mailing address are provided to POSNA s sponsors as a sponsor benefit

Page 7

GENERAL MEETING INFORMATION CONTINUED INSURANCE LIABILITIES POSNA will not be held liable for personal injuries or for loss of or damage to property incurred by participants or guests at the Pre Course or the Annual Meeting including those participating in tours and social events Participants and guests are encouraged to take out insurance to cover losses incurred in the event of cancellation medical expenses or damage to or loss of personal effects when traveling outside their own country POSNA cannot be held liable for any hindrance or disruption of the Annual Meeting arising from natural political social or economic events or other unforeseen incidents beyond its control Registration of a participant implies acceptance of this condition DISCLOSURE OF PERSONAL INFORMATION When registering for the Annual Meeting your personal identifying information is retained by POSNA You understand and agree that POSNA may disclose your name address and contact information to your hotel in order to confirm hotel room reservations and meeting attendance numbers MEMBERS BUSINESS MEETINGS All POSNA members are invited to attend the Member Business Meeting on Friday May 17 2019 from 11 30 AM to 1 00 PM Committee Chairs will share reports of their recent activities Lunch will be served ACCOMPANYING PERSONS BREAKFAST Breakfast will be provided from 8 00 AM to 9 00 AM on Thursday Friday and Saturday and is open for all spouses children and accompanying persons who are registered and have a badge Romare Bearden Park Courtesy of charlottesgotalot com NURSING ROOM The nursing room is located in the women s restroom near Ballroom B CHILDCARE Need childcare during the meeting Contact Charlotte Care Services for more information www charlottecareservices com Phone 704 335 0501 Early Registation Deadline March 20 2019 Register Online Today at posna org 5

Page 8

TUESDAY MAY 14 MEETING AT A GLANCE THURSDAY MAY 16 CONTINUED Board of Directors Meeting 7 00 AM 3 00 PM Westin Providence Ballroom 1 Young Member Forum Registration 4 00 PM 6 00 PM CC Richardson Ballroom Foyer FRIDAY MAY 17 POPS Meeting 8 00 AM 5 00 PM Westin Grand Ballroom AB WEDNESDAY MAY 15 12 30 PM 1 30 PM CC Room 213 ABCD Registration 6 00 AM 3 30 PM CC Richardson Ballroom Foyer Breakfast 6 00 AM 7 00 AM CC Richardson Ballroom AB 7 00 AM 10 00 AM CC Richardson Ballroom CD Fellowship Directors Meeting 6 30 AM 7 30 AM Westin Uptown III Scientific Program Award Papers Registration 6 30 AM 5 00 PM CC Richardson Ballroom Foyer Coffee Break Exhibits 9 05 AM 9 25 AM Pre Course Breakfast 7 00 AM 8 00 AM CC Richardson Ballroom AB Distinguished Achievement Award 10 15 AM 10 30 AM CC Richardson Ballroom CD Pre Course 8 00 AM 12 00 PM CC Richardson Ballroom CD 2020 Meeting Announcements 10 31 AM 10 38 AM CC Richardson Ballroom CD CC Richardson Ballroom AB Coffee Break Exhibits 9 35 AM 9 55 AM CC Richardson Ballroom AB Presidential Speaker 10 39 AM 10 59 AM CC Richardson Ballroom CD Scientific Program 1 00 PM 3 05 PM CC Richardson Ballroom CD Presidential Transfer 11 00 AM 11 10 AM CC Richardson Ballroom CD Coffee Break Exhibits 3 05 PM 3 30 PM CC Richardson Ballroom AB Member Business Meeting 11 30 AM 1 00 PM CC Room 217ABCD Concurrent Session 1 3 30 PM 5 05 PM CC Richardson Ballroom CD Subspecialty Day Hand Foot 1 30 PM 5 00 PM CC Room 211AB 212AB Concurrent Session 2 3 30 PM 5 05 PM CC Rm 217 ABCD Hip 1 30 PM 5 00 PM Evening Opening Ceremony 6 30 PM 8 00 PM CC Richardson Ballroom CD CC Richardson Ballroom CD LE Neuromuscular 1 30 PM 5 00 PM Welcome Reception 8 00 PM 9 30 PM CC Ballroom Terrace CC Room 207ABCD Spine 1 30 PM 5 00 PM CC Room 217ABCD Sports 1 30 PM 5 00 PM CC Room 213ABCD Trauma 1 30 PM 5 00 PM CC Room 218AB 219AB Coffee Break Exhibits 3 05 PM 3 25 PM CC Richardson Ballroom AB Evening Closing Reception NASCAR Hall of Fame THURSDAY MAY 16 Registration 6 30 AM 12 00 PM CC Richardson Ballroom Foyer Breakfast 6 30 AM 7 30 AM CC Richardson Ballroom AB Scientific Program 7 30 AM 9 33 AM CC Richardson Ballroom CD Coffee Break Exhibits 9 33 AM 10 00 AM CC Richardson Ballroom AB Symposia Program COUR 6 10 00 AM 12 00 PM CC Room 207ABCD Educate the Educator 10 00 AM 12 00 PM CC Room 217ABCD Innovation and Technology 10 00 AM 12 00 PM CC Richardson Ballroom CD POPS 10 00 AM 2 00 PM Research 10 00 AM 12 00 PM CC Room 211AB 212AB Trauma 10 00 AM 12 00 PM CC Room 213ABCD CC Room 218AB 219AB Early Registation Deadline March 20 2019 Register Online Today at posna org 7 30 PM 11 00 PM SATURDAY MAY 18 Registration 7 00 AM 12 00 PM CC Richardson Ballroom Foyer Breakfast 7 00 AM 8 00 AM POSNA Board Meeting 8 00 AM 10 00 AM Westin Providence Ballroom III Scientific Program 8 00 AM 12 04 PM CC Richardson Ballroom CD Coffee Break 10 06 AM 10 26 AM CC Richardson Ballroom Foyer CC Richardson Ballroom AB CC denotes Convention Center Program subject to change

Page 9

MEETING REGISTRATION MEETING REGISTRATION Full meeting registration includes sessions starting Wednesday afternoon May 15 2019 through Saturday morning May 18 2019 and includes course material Wednesday Opening Ceremony Reception Friday Subspecialty Day Friday Closing Reception coffee breaks and three breakfasts Please Note The Half Day Pre Course requires a separate registration and fee Attendance at this meeting does not meet the member meeting attendance requirement Early registration is advised as events are frequently oversubscribed Please register online at https posna org Annual Meeting 2019 Annual Meeting An additional 50 fee will be charged for meeting registration received after March 20 2019 Registration closes on April 10 2019 Any registration received after that date may not be recorded and you may be asked to pay onsite There will be an additional 50 fee for those registering onsite FRIDAY SUBSPECIALTY DAY MAY 17 2019 We will have a special One Day ONLY registration rate for those who wish to attend the meeting only on Friday Friday Subspecialty Day is a registration for just one day and includes breakfast the morning scientific paper sessions afternoon sessions and the Closing Reception in the evening Please Note Registration and attendance at only the Subspecialty Day does not meet the member meeting attendance requirement as stated in the Bylaws CANCELLATION POLICY A full refund will be granted if notification is received in writing at POSNA 9400 W Higgins Road Suite 500 Rosemont IL 60018 4976 USA through April 10 2019 A 20 administrative fee will be charged after April 10 2019 No refunds will be given after May 13 2019 DATES TO REMEMBER Early Registration Closes March 20 2019 Pre Registration Closes April 10 2019 After April 10 2019 please register onsite Early Registation Deadline March 20 2019 Register Online Today at posna org EARLY REGISTRATION FEES US Dollars POSNA Member Non Member Resident Fellow RN PA Allied Health Delegates from Reduced Rate Countries Low Income Low Middle Income 675 925 450 450 375 450 PRE COURSE REGISTRATION Member Non Member RN PA Allied Health Resident Fellow 150 200 100 100 FRIDAY SUBSPECIALTY DAY REGISTRATION Friday ONLY Member Friday ONLY Non Member Friday ONLY Allied Health Friday ONLY Resident Fellow 250 300 200 200 Accompanying Person 325 Senior Members 375 Children 6 12 per child 10 Children 13 17 per child 100 After March 20 2019 additional fee 50 Pre Registration closes on April 10 2019 Onsite Registration additional fee 50 Residents Fellows must have the phone number and signature of their Chief of Service on their registration form to qualify for the reduced fee Without a signature and phone number you will be charged the non member fee ACCOMPANYING PERSONS MUST BE REGISTERED IN ORDER TO ATTEND ANY FUNCTION INCLUDING OPTIONAL EVENTS All checks must be in US dollars drawn on a US Bank If paying by check please mail your registration to POSNA 9400 W Higgins Road Suite 500 Rosemont IL 60018 4976 Register online at posna org 7

Page 10

POSNA 2019 PRE COURSE IMPROVING PATIENT CARE THROUGH WELLNESS TEAMWORK AND ORGANIZATIONAL CHANGES GENERAL MEETING INFORMATION Chair Brian Scannell MD WEDNESDAY MAY 15 2019 8 00 AM 12 00 PM DESCRIPTION As pediatric orthopaedic surgeons we are constantly trying to improve care for our patients Often we overlook important areas that can improve the care of our patients our own wellness our team environment and practice efficiency and our organizational culture The purpose of this Pre Course is to discuss and offer practical improvement strategies for our own personal resilience efficiency of practice and organization culture changes This will inform our membership and provide a springboard for discussion on wellness within POSNA LEARNING OBJECTIVES CONTINUING MEDICAL EDUCATION The American Academy of Orthopaedic Surgeons designates this live activity for a maximum of 3 75 AMA PRA Category 1 Credits Physicians should claim only the credit commensurate with the extent of their participation in the activity PROGRAM 8 00 AM 8 05 AM Welcome and Overview Brian Scannell MD Introduction Moderator Brian Scannell MD 8 05 AM 8 11 AM What is Wellness Why Talk About Burnout Vishwas Talwalkar MD 8 11 AM 8 17 AM Drivers of Burnout Jennifer Weiss MD 8 17 AM 8 25 AM Compassionate Care Making It a Priority and the Science Behind It Michael Goldberg MD Part I Personal Resilience and Wellbeing Moderator Henry Hank Chambers MD 8 25 AM 8 45 AM Physician Resiliency and Tools for Improved Wellness Wayne Sotile PhD Objective 2 Develop improved strategies to enhance team performance patient safety through teamwork and efficiency of practice 8 45 AM 9 05 AM Surgeon Coaching Why and How Jeffrey Smith MD FACS CPC 9 05 AM 9 20 AM Self Compassion Wayne Sotile PhD Objective 3 Understand how to build a culture of wellness change within your organization 9 20 AM 9 35 AM Panel Q A with Jeffrey Smith MD FACS CPC Wayne Sotile PhD 9 35 AM 9 55 AM Break Upon completion of this program participants should be able to Objective 1 Appreciate issues surrounding physician burnout and discuss practical tools for improved physician wellness and resiliency ACCREDITATION This activity has been planned and implemented in accordance with the accreditation requirements and policies of the Accreditation Council for Continuing Medical Education ACCME through the joint providership of the American Academy of Orthopaedic Surgeons and the Pediatric Orthopaedic Society of North America The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians 8 Early Registation Deadline March 20 2019 Register Online Today at posna org Program subject to change

Page 11

PRE COURSE CONTINUED Part II Personal Resilience and Wellbeing Moderator Cordelia Carter MD 9 55 AM 10 05 AM Mistakes Made and Lessons Learned A Mid Career Pediatric Orthopaedic Surgeon s Journey to Sustain Energy and Avoid Burnout John Jack Flynn MD 10 05 AM 10 15 AM Second Victim Phenomenon Managing Surgical Complications John Tony Herring MD 10 15 AM 10 25 AM Panel Q A with John Jack Flynn MD John Tony Herring MD Team Compassion Collaboration and Efficiency of Practice Moderator Wudbhav Woody Sankar MD 10 25 AM 10 35 AM Strategies and Tools to Enhance Team Performance Daniel Sucato MD MS 10 35 AM 10 45 AM Strategies and Tools to Enhance Patient Safety Kevin Shea MD 10 45 AM 10 55 AM Improving Efficiency of Practice through Deliberate Incremental Adjustments Jeffrey Smith MD FACS CPC 10 55 AM 11 10 AM Panel Q A with Kevin Shea MD Daniel Sucato MD MS Jeffrey Smith MD FACS CPC Organizational Leadership and Culture Moderator Michael Goldberg MD 11 10 AM 11 30 AM Building a Culture of Wellness Within your Organization and Managing Systems that Don t Allow Collaborative Care Harris Baden MD 11 30 AM 11 40 AM Building a Culture of Wellness in an Orthopaedic Department Group Virginia Casey MD 11 40 AM 11 50 AM Panel Q A with Harris Baden MD Virginia Casey MD 11 50 AM 12 00 PM POSNA s Plan What POSNA is Doing Wellness Committee Vishwas Talwalkar MD Jennifer Weiss MD 12 00 PM Closing Brian Scannell MD Courtesy of charlottesgotalot com Early Registation Deadline March 20 2019 Register Online Today at posna org 9

Page 12

2019 ANNUAL MEETING SCIENTIFIC PROGRAM WEDNESDAY MAY 15 1 00 PM 1 05 PM Introduction and Opening Remarks Trauma General Session Moderator Susan Scherl MD eModerator Jeffrey Sawyer MD Presider Simon Kelley MBChB FRCS 1 1 06 PM 1 10 PM Registry of Orthopaedic Trauma in Children ROTC A Pilot Study Brian Brighton MD Kelly Vanderhave MD Rachel Seymour PhD Jeffrey Cassidy MD Jeffrey Martus MD Brian Scannell MD Susan Scherl MD Mauricio Silva MD Mark Sinclair MD Christine Churchill BA Meghan Wally MSPH Edward Hardison BA Atrium Health Charlotte NC 2 1 11 PM 1 15 PM Do Patient or Fracture Specific Factors Predict the Development of Acute Compartment Syndrome after Pediatric Tibial Shaft Fractures Benjamin Sheffer MD Eric Villarreal MD Jesse Wrenn PhD Jeffrey Sawyer MD David Spence MD Derek Kelly MD Campbell Clinic Germantown TN 3 1 16 PM 1 20 PM Delayed Unions and Functional Outcomes of Pediatric Lateral Condyle Humerus Fractures A Prospective Study Alexander Nazareth MS Curtis VandenBerg MD Rachel Goldstein MD MPH Natalya Sarkisova BS Lindsay Andras MD Nina Lightdale Miric MD J Lee Pace MD Paul Choi MD David Skaggs MD MMM Children s Hospital Los Angeles Los Angeles CA 1 21 PM 1 29 PM Discussion 10 Early Registation Deadline March 20 2019 Register Online Today at posna org 4 1 30 PM 1 34 PM Nonoperative Versus Operative Treament for Displaced Midshaft Clavicle Fractures in Adolescents A Comparative Study Mi Hyun Song MD Yeo Hon Yun MD Jungwook Lim Hae Ryong Song MD Korea Medical Center Guro Hospital Seoul Korea Republic of 5 1 35 PM 1 39 PM The Song Classification is Reliable and Guides Prognosis and Treatment for Pediatric Lateral Condyle Fractures An Independent Validation Study with Treatment Algorithm Brandon Ramo MD Shawn Funk MD Marilyn Elliott BS Chan Hee Jo PhD Texas Scottish Rite Hospital for Children Dallas TX 6 1 40 PM 1 44 PM Displaced Fractures of the Proximal Humerus In Children Cause Long Term Sequelae Luis Cuadrado Rubio MD Joaqu n N ez de Armas MD Israel Rubio S ez MD Alfonso Vaquero Picado MD Luis Moraleda MD Hospital Universitario La Paz Madrid Madrid Spain 1 45 PM 1 53 PM Discussion 7 1 54 PM 1 58 PM Does Time to Treatment of Pediatric Femoral Shaft Fractures Impact Clinical Outcomes Anthony Stans MD Jennifer Grauberger BA Todd Milbrandt MD William Shaughnessy MD A Noelle Larson MD Mayo Clinic Rochester MN 8 1 59 PM 2 03 PM Observation Versus Cast Treatment of Toddler s Fractures Joseph Fox MD Brianna Enriquez MD Viviana Bompadre PhD Kristen Carlin MPH Mark Dales MD Seattle Children s Hospital Seattle WA

Page 13

2019 ANNUAL MEETING SCIENTIFIC PROGRAM WEDNESDAY MAY 15 CONTINUED 9 2 04 PM 2 08 PM Metaphyseal Fracture Displacement is Predictive of Intra Articular Diastasis in Adolescent Triplane Ankle Fractures Jose Romero MD Surya Mundluru MD Dustin Greenhill MD Marilyn Elliott Robert Wimberly MD Anthony Riccio MD Texas Scottish Rite Hospital for Children Dallas TX 2 09 PM 2 17 PM Discussion Infection Tumors General Session Moderator Alexandre Arkader MD eModerator Ying Li MD Presider Howard Epps MD 10 2 18 PM 2 22 PM C reactive Protein Level at Time of Discharge is not Predictive of Risk of Reoperation or Readmission in Children with Septic Arthritis Maryse Bouchard MD Lara Shefelbine BA Viviana Bompadre PhD Seattle Children s Hospital Seattle WA 11 2 23 PM 2 27 PM The Use of Cytokines and Biomarkers in the Work Up of Septic Arthritis A Pilot Study Scott Luhmann MD Alexis Elward MD Kirsten Brouillet BA Dominic Thompson MA Farshid Guilak PhD Washington University School of Medicine Saint Louis MO 12 2 28 PM 2 32 PM A Clinical Care Algorithm Resulted in Improved Care for Children with Hematogenous Osteomyelitis Eric Robinette MD Laura Brower MD Samir Shah MD Patrick Whitlock MD Joshua Schaffzin PhD Cincinnati Children s Hospital Medical Center Cincinnati OH 2 33 PM 2 41 PM Discussion 13 2 42 PM 2 46 PM Vertebra Plana in Children Other Etiologies than Just Eosinophilic Granuloma Matthew Houdek MD Fady Baky Todd Milbrandt MD A Noelle Larson MD Mayo Clinic Rochester MN Early Registation Deadline March 20 2019 Register Online Today at posna org 14 2 47 PM 2 51 PM Survival in Allograft Reconstruction for Children and Teenagers After Resectio Due to Bone Sarcoma in Femur and Humerus Fernando Esc mez Fern ndez MD Joaqu n N ez de Armas MD Alfonso Vaquero Picado MD Irene Barrientos Ruiz MD Hospital Universitario La Paz Madrid Madrid Spain 15 2 52 PM 2 56 PM Treatment of Symptomatic Extremity Venous Malformations with Single Stage Combined Glue Embolization and Surgical Excision Antoinette Lindberg MD Eric Monroe MD Kevin Koo MD Giridhar Shivaram MD Seattle Children s Hospital Seattle WA 2 57 PM 3 05 PM Discussion 3 05 PM 3 30 PM Break Concurrent Session Spine Moderator Laurel Blakemore MD eModerator Christina Hardesty MD Presider Nicholas Fletcher MD 16 3 30 PM 3 34 PM Restoration of Thoracic Kyphosis in Adolescent Idiopathic Scoliosis over a Twenty Year Period Are We Getting Better Blake Bodendorfer MD Suken Shah MD Tracey Bastrom MA Baron Lonner MD Burt Yaszay MD Amer Samdani MD Firoz Miyanji MD Patrick Cahill MD Paul Sponseller MD Randal Betz MD David Clements MD Lawrence Lenke MD Harry Shufflebarger MD Peter Newton MD Nemours Alfred I duPont Hospital for Children Wilmington DE 17 3 35 PM 3 39 PM A Matched Cohort of Large AIS Curves Do Ponte Osteotomies Improve Coronal Plane and Sagittal Plane Correction Lorena Floccari MD Dustin Greenhill MD Kiley Poppino BS Daniel Sucato MD MS Texas Scottish Rite Hospital for Children Dallas TX 11

Page 14

2019 ANNUAL MEETING SCIENTIFIC PROGRAM WEDNESDAY MAY 15 CONTINUED 18 3 40 PM 3 44 PM 10 Year Natural History of the Uninstrumented Compensatory Curve in Selectively Fused AIS Craig Louer MD Burt Yaszay MD Madeline Cross MPH Carrie Bartley MA Tracey Bastrom MA Suken Shah MD Baron Lonner MD Patrick Cahill MD Amer Samdani MD Vidyadhar Upasani MD Peter Newton MD Rady Children s Hospital San Diego San Diego California 3 45 PM 3 53 PM Discussion 19 3 54 PM 3 58 PM T1 Tilt and Clavicle Angle are the Best Predictors of Postoperative Shoulder Balance Vishal Sarwahi MBBS Jesse Galina BS Saankritya Ayan MBBS Beverly Thornhill MD Abhijit Pawar MD Yungtai Lo PhD Terry Amaral MD Cohen Children s Medical Center New Hyde Park NY 20 3 59 PM 4 03 PM Do Intraoperative Lateral Radiographs During Scheuermann Kyphosis Correction Predict the Standing Radiographic Outcome Dustin Greenhill MD Kiley Poppino BS Chan Hee Jo PhD Daniel Sucato MD MS Texas Scottish Rite Hospital for Children Dallas Texas 21 4 04 PM 4 08 PM Do Patients with Less than Ideal Outcomes at 2 Years Continue to Have Suboptimal Outcomes in the Long Term Following Surgery of Adolescent Idiopathic Scoliosis Jessica Hughes MD Burt Yaszay MD Tracey Bastrom MA Carrie Bartley MA Stefan Parent MD Patrick Cahill MD Baron Lonner MD Suken Shah MD Amer Samdani MD Peter Newton MD Harms Study Group Rady Children s Hospital San Diego CA 4 09 PM 4 17 PM Discussion 12 Early Registation Deadline March 20 2019 Register Online Today at posna org 22 4 18 PM 4 22 PM Prophylactic Application of Local Intra wound Antibiotic Does not Decrease Acute Surgical Site Infections SSI in AIS Patients Amy McIntosh MD Kiley Poppino BS Texas Scottish Rite Dallas TX 23 4 23 PM 4 27 PM Development and Validation of a Risk Severity Score Identifying Patients with Cerebral Palsy at High Risk for Developing Surgical Site Infection After Spinal Surgery Hiroko Matsumoto MA Megan Campbell BA Benjamin Roye MD David Roye MD Lawrence Lenke MD Paul Sponseller MD John Jack Flynn MD David Skaggs MD MMM Michael Glotzbecker MD Michael Vitale MD MPH Columbia University Medical Center New York NY 24 4 28 PM 4 32 PM Liposomal Bupivacaine is Both Safe and Effective in Controlling Post Operative Pain Following Spinal Surgery in Children A Controlled Cohort Study Morad Chughtai MD Assem Sultan MD Brittany Patterson BS Ryan Goodwin MD John Seif MD Anton Khlopas MD Anton Khlopas MD Nipun Sodhi BA James Bena MS Yuxuan Jin David Gurd MD Thomas Kuivila MD Robert Ballock MD The Cleveland Clinic Cleveland OH 4 33 PM 4 41 PM Discussion 25 4 42 PM 4 46 PM Two Year Follow up of Vertebral Body Tethering for Adolescent Idiopathic Scoliosis Which Curve Types are Responding to Growth Modulation Daniel Hoernschemeyer MD John Worley MD Christopher Loftis MD Madeline Robertson BS Nicole Tweedy NP Sumit Gupta MD University of Missouri Columbia Columbia MO 26 4 47 PM 4 51 PM A Prospective Multicenter Analysis of the Efficacy of Anterior Vertebral Body Tether ing in the Treatment of Idiopathic Scoliosis Firoz Miyanji MD Jeff Pawelek Luigi Nasto MD Stefan Parent MD BC Children s Hospital Vancouver BC Canada

Page 15

2019 ANNUAL MEETING SCIENTIFIC PROGRAM WEDNESDAY MAY 15 CONTINUED 27 4 52 PM 4 56 PM Correlation Between Spine and Chest Wall Deformities and Pulmonary Function in Marfan s Syndrome Hila Otremski MD Dror Ovadia MD Mary Dimaio MD Roger Widmann MD Hospital for Special Surgery New York NY 4 57 PM 5 05 PM Discussion Concurrent Session Sports Moderator Jennifer Weiss MD eModerator Kevin Dale MD Presider Eric Edmonds MD 28 3 30 PM 3 34 PM Long term Follow up of Skeletally Immature Patients with Physeal Sparing Combined Extra Intra articular Iliotibial Band ACL Reconstruction 3 D Motion Analysis Dai Sugimoto Amy Whited MS Jeff Brodeur BS Elizabeth Liotta Kathryn Williams MS Mininder Kocher MD MPH Lyle Micheli MD Benton Heyworth MD Boston Children s Hospital Boston MA 29 3 35 PM 3 39 PM 31 3 54 PM 3 58 PM The Physeal Sparing Combined Extra Intra Articular Iliotibial Band ACL Reconstruction in Children A Long Term Strength Balance and Functional Analysis Lyle Micheli MD Benton Heyworth MD Elizabeth Liotta Dai Sugimoto Kathryn Williams MS Nicole Goldhaber MA Mininder Kocher MD MPH Boston Children s Hospital Boston MA 32 3 59 PM 4 03 PM Outcomes of Revision ACL Reconstructions Henry Hank Chambers MD Ryan Ouillette BA Eric Edmonds MD Tracey Bastrom MA Andrew Pennock MD Rady Children s Hospital San Diego CA 33 4 04 PM 4 08 PM Which Children are at Risk for Contralateral Anterior Cruciate Ligament Injury After Ipsilateral Reconstruction Neeraj Patel MD Nakul Talathi BS Joshua Bram BS Christopher Defrancesco MD J Todd Lawrence MD PhD Theodore Ganley MD Children s Hospital of Philadelphia Philadelphia PA Can Combined Trans physeal and Lateral Extra Articular Pediatric ACL Reconstruction Techniques Be Employed to Reduce ACL Re Injury While Allowing for Growth Henry Ellis MD Nathan Boes MD Parker Mitchell BS Charles Wyatt NP Philip Wilson MD Texas Scottish Rite Hospital for Children Dallas TX 4 09 PM 4 17 PM Discussion 30 3 40 PM 3 44 PM Which Psychological Measure Should Be Used to Identify Athletes at Risk for Prolonged Recovery Following ACL Reconstruction Henry Ellis MD K John Wagner BS Aaron Zynda BS Meagan Sabatino BA Philip Wilson MD Texas Scottish Rite Hospital for Children Dallas TX Quadriceps Tendon Autografts Have a Lower Early Graft Failure Rate than Hamstring Tendon Autografts when Performing Transphyseal ACL Reconstructions Andrew Pennock MD Kristina Johnson ATC Henry Hank Chambers MD Tracey Bastrom MA Raghav Badrinath MD Robby Turk M Morgan Dennis BS Eric Edmonds MD Rady Children s Hospital San Diego CA 34 4 18 PM 4 22 PM Suture Versus Screw Fixation of Tibial Spine Fractures A Comparative Study Mininder Kocher MD Judd Allen MD Mark Callanan MD Frances Tepolt MD Brett Flutie Boston Children s Hospital Boston MA 35 4 23 PM 4 27 PM 3 45 PM 3 53 PM Discussion Early Registation Deadline March 20 2019 Register Online Today at posna org 13

Page 16

2019 ANNUAL MEETING SCIENTIFIC PROGRAM WEDNESDAY MAY 15 CONTINUED 36 4 28 PM 4 32 PM Prospectively Calculated Utility Values in Children with Osteochondritis Dissecans of the Knee Joshua Adjei BA Benedict Nwachukwu Yi Zhang MS Daniel Green MD Emily Dodwell MD Peter Fabricant MD Hospital for Special Surgery New York NY 4 33 PM 4 41 PM Discussion 37 4 42 PM 4 46 PM Youth Marathon Training Injury Epidemiology and Risk Factors Joshua Goldman Emily Miller MD Summer Runestad ATC Rebecka Serpa Jennifer Beck MD Orthopaedic Institute for Children Los Angeles CA 38 4 47 PM 4 51 PM Youth Ice Hockey Concussions Reported at US Emergency Department s from 2002 2016 A Peak in 2011 and the Impact of Rule Modifications Patrick Morrissey BA Neil Shah MD Andrew Hayden MD Jack Zhou BS Lee Bloom MD Alexandr Aylyarov MD Dipal Chatterjee MD Jared Newman MD Matthew McCarthy Khalid Hesham MD William Urban MD SUNY Downstate Medical Center Brooklyn NY 39 4 52 PM 4 56 PM Delivery of Patient Reported Outcome Instruments by Automated Mobile Phone Text Messaging in Pediatric Sports Medicine J Todd Lawrence MD PhD Xochitl Mellor BS Matthew Buczek BS Theodore Ganley MD Alexander Adams BS Apurva Shah MD MBA Children s Hospital of Philadelphia Philadelphia PA 4 57 PM 5 05 PM Discussion Courtesy of charlottesgotalot com 14 Early Registation Deadline March 20 2019 Register Online Today at posna org

Page 17

2019 ANNUAL MEETING SCIENTIFIC PROGRAM THURSDAY MAY 16 7 30 AM 7 34 AM Welcome Remarks QSVI General Session Moderator Brian Brighton MD MPH eModerator Benjamin Shore MD MPH FRCSC Presider Julie Samora MD PhD 40 7 34 AM 7 38 AM Deciding Without Data Clinical Decision Making in Pediatric Orthopaedic Surgery Steven Frick MD Karthik Nathan BS Jacinta Leyden BS Onyemaechi Uzosike BA Alexander Karius Uriel Sanchez BS Nicole Segovia BS Sara Eppler MPH Robin Kamal MD Stanford University Stanford CA 45 8 08 AM 8 12 AM Surgical Site Infections in Pediatric Spinal Surgery over a Decade of Serial and Iterative Efforts to Eradicate Infection Timing Matters Bradley Hammoor BS Hiroko Matsumoto BA Gerard Marciano Kevin Wang BA Lucas Dziesinski BS Michael Vitale MD MPH Columbia University Medical Center New York NY 8 13 AM 8 21 AM Discussion 46 8 22 AM 8 26 AM What is the Evidence Behind the US News World Report Rating and Does It Makes Us Better Surgeons Smitha Mathew MBBS A Noelle Larson MD Todd Milbrandt MD Mayo Clinic Rochester MN Appropriate Use Criteria for Treatment of Pediatric Supracondylar Humerus Fractures with Vascular Injury Do Recommendations Follow Current Clinical Practice Aaron Brandt MD Meghan Wally MSPH Virginia Casey MD Christian Clark MD Michael Paloski DO Brian Scannell MD Brian Brighton MD Levine Children s Hospital Charlotte NC 42 7 44 AM 7 48 AM 47 8 27 AM 8 31 AM 7 49 AM 7 57 AM Discussion 48 8 32 AM 8 36 AM 41 7 39 AM 7 43 AM Pediatric Orthopaedists are not Immune Characterizing Self reported Burnout Rates Amongst POSNA Members Cordelia Carter MD Vishwas Talwalkar MD Jennifer Weiss MD Richard Schwend MD Michael Goldberg MD POSNA Wellness Committee Rosemont IL 43 7 58 AM 8 02 AM Implementation of Standardized Discharge Regimen and Education Reduces Narcotic Prescribing Following Adolescent Idiopathic Scoliosis AIS Surgery A Quality Value Safety Initiative QVSI Craig Birch MD Kerry Wilder Charu Sharma Stacie Bukowsky MSPH Sandi Greenberg Brandon Ramo MD Texas Scottish Rite Hospital for Children Dallas TX 44 8 03 AM 8 07 AM Intraoperative Red Blood Cell Salvage in Posterior Spinal Fusions for Idiopathic Scoliosis Guidelines for Selective Use Scott Luhmann MD Garrett Wahl BS Washington University School of Medicine Saint Louis MO Early Registation Deadline March 20 2019 Register Online Today at posna org Perioperative Ketorolac for Supracondylar Humerus Fracture in Children Decreases Postoperative Pain Opioid Usage Hospitalization Cost and Length of Stay Alexander Adams BS Matthew Buczek BS John Jack Flynn MD Apurva Shah MD MBA Children s Hospital of Philadelphia Philadelphia PA Safe Transport of Spica Casted Children in Passenger Vehicles is Possible A Frontal Crash Test Analysis of Child Restraint Systems Using Spica Casted Crash Test Dummies Jeffrey Peck MD Angela Collins MD Sean Caskey DO Theresa Atkinson PhD Norman Walter MD Patrick Atkinson PhD McLaren Flint Flint MI 8 37 AM 8 45 AM Discussion 49 8 46 AM 8 50 AM Can Real Time Monitoring with a Controlled Advancement Drill Decrease Plunge Depth Stephen Wallace MD Alexander Cherkashin MD Mikhail Samchukov MD Robert Wimberly MD Anthony Riccio MD Texas Scottish Rite Hospital for Children Dallas TX 15

Page 18

2019 ANNUAL MEETING SCIENTIFIC PROGRAM Symposia Program THURSDAY MAY 16 CONTINUED 50 8 51 AM 8 55 AM Getting the Message The Declining Trend in Opioid Prescribing for Minor Orthopaedic Injuries in Children and Adolescents over the Past 14 Years Jigar Gandhi Divya Talwar MPH John Jack Flynn MD Children s Hospital of Philadelphia Philadelphia PA 51 8 56 AM 9 00 AM Are We Overprescribing Opioids for Adolescents with Lower Extremity Fractures Preliminary Results from a Randomized Controlled Trial at a Level I Pediatric Trauma Facility Arianna Trionfo MD Matthew Buczek BS Keith Baldwin MD Apurva Shah MD MBA Children s Hospital of Philadelphia Philadelphia PA 9 01 AM 9 09 AM Discussion 52 9 10 AM 9 14 AM Expanding Practice Boundaries Delivery of Fracture Care Using Telemedicine in Pediatric Orthopaedics Neha Sinha MD Max Cornell Benjamin Wheatley BS Mark Seeley MD Geisinger Medical Center Danville PA 53 9 15 AM 9 19 AM Pacific Ocean s Eleven The Cost Effectiveness of Pediatricians Splinting Injuries in Their Office Byron Izuka MD University of Hawaii Division of Orthopaedic Surgery Honolulu HI 54 9 20 AM 9 24 AM Where are the Women Leaders A Look at POSNA Committee and Leadership Positions Sharul Saxena Jennifer Weiss MD Joshua Abzug MD Michelle Caird MD Marilan Luong MPH Selina Poon MD Shriners for Children Medical Center Pasadena CA 9 25 AM 9 33 AM Discussion 9 33 AM 10 00 AM Break 16 Early Registation Deadline March 20 2019 Register Online Today at posna org Children s Orthopaedics in Under Resourced Environments COUR 10 00 AM 12 00 PM Co Chairs Eric Fornari MD Coleen Sabatini MD MPH Caring for Refugee Communities as an Orthopaedic Surgeon This year s COUR Symposium is focused on the health and musculoskeletal needs of refugee communities throughout the world We will review the current status of the refugee crisis and learn from orthopaedic surgeons who have been carrying for displaced communities in a variety of settings in the Middle East and Africa Real life experiences will be shared and the musculoskeletal issues seen in these populations discussed Resources for those interested in becoming involved will be addressed as well as time for an open discussion about the role that orthopaedic surgeons can play in caring for refugee communities 10 00 AM 10 05 AM Welcome Eric Fornari MD 10 05 AM 10 10 AM Introduction of COUR Scholars Eric Fornari MD Coleen Sabatini MD MPH 10 10 AM 10 15 AM Introduction to the Symposium Coleen Sabatini MD MPH 10 15 AM 10 35 AM Understanding the World s Refugee Crisis Laila Soudi MSc 10 35 AM 11 00 AM Overview of the Palestine Refugee Populations and an Integrated Approach to Addressing their Ongoing Pediatric Musculoskeletal Needs Anna Vergun MD 11 00 AM 11 30 AM Principles of War Surgery The Syrian Field Hospital Experience Samer Attar MD 11 30 AM 11 40 AM Resources for Orthopaedic Surgeons Interested in Helping Eric Fornari MD Coleen Sabatini MD MPH 10 40 AM 12 00 PM Discussion

Page 19

2019 ANNUAL MEETING SCIENTIFIC PROGRAM THURSDAY MAY 16 CONTINUED Teach the Teacher Strategies for Pediatric Orthopedic Education in the Modern Era 10 00 AM 12 00 PM Co Chairs Craig Eberson MD Todd Milbrandt MD Education of residents and fellows in Pediatric Orthopedics remains an evolving science Today s learners continue to require new strategies to impart the knowledge required for success in our field In the era of reduced work hours today s educators must be able to efficiently transfer their experience and skill to their students while at the same time coping with the increasing administrative burden of modern practice This symposium brings to bear the expertise of a collection of seasoned educators program directors and academicians who will share their tips for efficient teaching providing and receiving meaningful feedback and for allowing graduated autonomy in the clinics and the operating room 10 00 AM 10 10 AM Introduction Craig Eberson MD Todd Milbrandt MD SETTING UP YOUR PEDS ORTHO ROTATION FOR EDUCATION PRACTICAL TIPS 10 10 AM 10 17 AM Teaching the Curriculum Techniques for Modern Learners Todd Milbrandt MD 10 18 AM 10 25 AM How to Encourage Learning in the Clinic Yet Still Go Home on Time Steven Frick MD 10 26 AM 10 33 AM Surgical Teaching Pre Op Planning to Handing Over the Knife Anthony Riccio MD 10 34 AM 10 44 AM Panel Discussion Moderator Craig Eberson MD Panel Steven Frick MD Todd Milbrandt MD Anthony Riccio MD EVALUATION 10 45 AM 10 52 AM Usable Feedback for Residents How to Give It Ryan Muchow MD 10 53 AM 11 00 AM Remediation of the Struggling Learner Head Heart and Hands Craig Eberson MD Early Registation Deadline March 20 2019 Register Online Today at posna org 11 01 AM 11 08 AM Are YOU the Problem Understanding and Changing Bad Evaluations Michelle Caird MD 11 08 AM 11 14 AM Panel Discussion Moderator Todd Milbrandt MD Panel Michelle Caird MD Craig Eberson MD Ryan Muchow MD LESSONS FROM THE EDUCATION PROFESSIONAL OUTSIDE OUR FIELD 11 15 AM 11 45 AM Special POSNA Invited Guest Lecturer 11 45 AM 11 55 AM Discussion 11 55 AM 12 00 PM Wrap Up and Final Comments Craig Eberson MD Todd Milbrandt MD Innovation and Technology 10 00 AM 12 00 PM Co Chairs Jonathan Schoenecker MD PhD Benjamin Shore MD MPH FRCSC Bryan Tompkins MD This session will explore technology and innovation in the OR teaching methods and practice management We will touch on imaging in virtual reality 3D modeling advances in stimulation using social media in practice and telehealth There will also be a demo on the OSSO Virtual Reality SCFE model PERIOD 1 TECHNOLOGY AND INNOVATION IN THE OR 10 00 AM 10 15 AM Imaging in Virtual Reality Bryan Tompkins MD 10 15AM 10 30 AM 3D Modeling Brian Haus MD PERIOD 2 TECHNOLOGY AND INNOVATION IN TEACHING 10 30 AM 10 45 AM Changing How We Teach Jonathan Schoenecker MD PhD 10 45 AM 11 00 AM Advances in Simulation Benjamin Shore MD MPH FRCSC 11 00 AM 11 30 AM OSSO VR SCFE Demo Benjamin Shore MD MPH FRCSC Bryan Tompkins MD 17

Page 20

2019 ANNUAL MEETING SCIENTIFIC PROGRAM THURSDAY MAY 16 CONTINUED PERIOD 3 TECHNOLOGY AND INNOVATION IN PRACTICE MANAGEMENT 11 30 AM 11 45 AM Social Media in Practice Bryan Tompkins MD 11 45 AM 12 00 PM NextGen Telehealth Robert Cho MD POPS Attendance to this symposium requires the purchase of a 40 workbook that is NOT part of the registration fee 11 45 AM 12 15 PM Physician Assistant APP Billing in Orthopaedics Direct Incident to Split Shared 12 15 PM 1 00 PM Global Surgical Package Pre operative H P can this be billed if the PA does it E M modifiers Modifier 24 unrelated E M service Modifier 57 E M resulting in urgent decision to operate When is it needed When isn t it needed Modifier 25 significant separate E M service 1 00 PM 1 30 PM Fracture Care What s included and what is separately reportable Does your state have restrictions on global care by a PA 10 00 AM 2 00 PM Co Chairs Amanda Fletcher Tracy Warhoover MSN RN CPNP 1 30 PM 1 45 PM Assisting in Surgery Modifier AS What needs to be documented Coding and Documentation for Pediatric Orthopaedic Practitioners 1 45 PM 2 00 PM This four hour symposium will provide advanced practice providers with the knowledge of coding and documentation guidelines in addition to how to navigate between coding specifics process issues and payor policies Margaret Maley with Karen Zupko and Associates will lead the discussion on properly selecting an evaluation and management code and correctly supporting it with documentation coding accurately and ethically appropriate documentation of level of service recognizing the correct use of ICD 10 codes and CPT codes and the proper use of EM levels of service Learning Objectives 1 Use E M modifiers accurately 2 List what is included in global fracture care 3 Define incident to reporting to Medicare and how this translates to other payors 10 00 AM 10 30 AM E M Categories of Service and When to Use Them New vs Established Patient What is a consultation Can a PA request one Perform one What do you use when you go to the ER 10 30 AM 10 45 AM Medical Necessity Just because it is in the note doesn t mean it was necessary to make a diagnosis or treat a problem How does the diagnosis code impact medical necessity 10 45 AM 11 45 AM E M Levels of Service and How to Document Them History What s NEW in 2019 Physical Examination Medical Decision Making 18 Early Registation Deadline March 20 2019 Register Online Today at posna org Are You Tracking Your Production Do you know your value the basics of RVUs Research 10 00 AM 12 00 PM Co Chairs A Noelle Larson MD Jonathan Schoenecker MD PhD In this symposium we will debate the role of QSVI studies and industry involvement in furthering pediatric orthopedic research followed by short presentations from POSNA funded researchers Finally pediatric orthopedic thought leaders will provide succinct snapshots regarding how they approached a major personal or professional achievement i e bringing a device to market reserving protected time or obtaining NIH funding for a clinical study PERIOD 1 DEBATES QSVI INDUSTRY Debate Is QSVI Bringing Up the Quality of Pediatric Orthopaedic Research or Dragging It Down We will discuss the advantages and disadvantages of the recent trend in pediatric orthopedics to perform quality studies testing multiple variables simultaneously rather than traditional research 10 00 AM 10 05 AM Pro QSVI Kevin Shea MD 10 05 AM 10 10 AM Con QSVI Matthew Halanski MD 10 10 AM 10 15 AM Rebuttals 10 15 AM 10 20 AM Discussion

Page 21

2019 ANNUAL MEETING SCIENTIFIC PROGRAM THURSDAY MAY 16 CONTINUED Debate Does Working with Industry Help or Hurt the Scientific Process We will discuss the role of industry involvement in pediatric orthopedic research 10 20 AM 10 25 AM Pro Industry Suken Shah MD 10 25 AM 10 30 AM Con Industry Matthew Oetgen MD 10 30 AM 10 35 AM Rebuttals 10 35 AM 10 40 AM Discussion PERIOD 2 POSNA SUPPORTED RESEARCH HIGHLIGHTS 10 40 AM 11 20 AM PERIOD 3 HOW I MADE THE WORLD MY LIFE BETTER 11 20 AM 11 26 AM How I Brought a Medical Device to Clinical Practice Peter Stevens MD 11 26 AM 11 32 AM How I Secured Development Funding for Our Orthopedic Research Program David Roye MD 11 32 AM 11 38 AM How to Do Research with Nationalized Healthcare Firoz Miyanji MD 11 38 AM 11 44 AM How I Negotiated Protected Research Time with my Department Michelle Caird MD 11 44 AM 11 50 AM How I Obtained NIH Funding for an RCT Lori Dolan PhD 11 50 AM 12 00 PM Discussion Trauma The Optimal Care of the Injured Pediatric Orthopaedic Patient 10 00 AM 12 00 PM Co Chairs Stephanie Holmes MD Mark Sinclair MD Surgeons Committee on Trauma ACS COT guidelines while doing it 10 00 AM 10 10 AM Overview of ACS COT and Why It Matters to Your Pediatric Orthopaedic Trauma Patient Allan Beebe MD 10 10 AM 10 20 AM Best Practice Guidelines for Supracondylar Humerus Fractures Heather Kowalski MD 10 20 AM 10 30 AM Best Practice Guidelines for Open Fracture Management in Children and Adolescents Scott Yang MD 10 30 AM 10 40 AM Questions and Discussion 10 40 AM 10 50 AM Pelvis Fractures and Massive Transfusion Protocols and the Pediatric Orthopaedic Trauma Patient Keith Bachmann MD 10 50 AM 11 00 AM Comprehensive Pain Management in the Pediatric Orthopaedic Trauma Patient Claire Shannon MD 11 00 AM 11 10 AM DVT Prophylaxis in the Pediatric Orthopaedic Trauma Patient Grant Hogue MD 11 10 AM 11 20 AM Questions and Discussion 11 20 AM 11 30 AM Compartment Syndrome Evaluation and Management in the Pediatric Orthopaedic Trauma Patient Matthew Halsey MD 11 30 AM 11 40 AM Damage Control Surgery and the Mangled Extremity What Does That Mean in the Management of Pediatric Orthopaedic Trauma Patients Christopher Souder MD 11 40 AM 11 50 AM Extremity Injuries with Coexistent Vascular Trauma in the Pediatric Orthopaedic Trauma Patient Shawn Skip Gilbert MD 11 50 AM 12 00 PM Questions and Discussion The Optimal Care of the Injured Pediatric Orthopaedic Patient A session focused on providing great care of the pediatric orthopaedic trauma patient and meeting American College of Early Registation Deadline March 20 2019 Register Online Today at posna org 19

Page 22

Page 23

2019 ANNUAL MEETING SCIENTIFIC PROGRAM FRIDAY MAY 17 7 00 AM 7 04 AM Welcome Remarks Clinical Awards Session Moderator Stephen Albanese MD eModerator Amy McIntosh MD Presider Matthew Oetgen MD 55 7 05 AM 7 10 AM The Effect of Intravenous Tranexamic Acid on Blood Loss and Transfusion After Periacetabular Osteotomy A Double Blinded Randomized Controlled Trial Ashley Levack MD Alexander McLawhorn MD Emily Dodwell MD Kathryn Delpizzo MD Joseph Nguyen MPH Ernest Sink MD Hospital for Special Surgery New York NY 7 11 AM 7 16 AM Discussion 56 7 17 AM 7 22 AM Two Year Functional Outcomes of Operative vs Non Operative Treatment of Completely Displaced Clavicle Fractures in Adolescents Results from the Prospective Multicenter Level 2 Facts Study Benton Heyworth MD Andrew Pennock MD Ying Li MD Leslie Kalish Brittany Dragonetti BA Henry Ellis MD Jeffrey Nepple MD Samuel Willimon MD David Spence MD Nirav Pandya MD Mininder Kocher MD MPH Eric Edmonds MD Philip Wilson MD Michael Busch MD Coleen Sabatini MD MPH Donald Bae MD Boston Children s Hospital Boston MA 7 23 AM 7 28 AM Discussion 57 7 29 AM 7 34 AM The Mobility Sparing Benefits of Selective Thoracic Fusions in Adolescent Idiopathic Scoliosis are Evident at 10 Years Post operatively Peter Newton MD Masayuki Ohashi Tracey Bastrom MA Michelle Marks PT Carrie Bartley MA Harms Study Group Rady Children s Hospital San Diego CA 58 7 41 AM 7 46 AM The Rate of Mediastinal and Vascular Injury Following Acute Posterior Sternoclavicular Dislocation Matthew Fournier MD Mark Sinclair MD Evan Zheng BA David Spiegel MD Anna Johnson MD Apurva Shah MD MBA Anthony Riccio MD Marilyn Elliott Donald Bae MD Jeffrey Sawyer MD University of Tennessee Campbell Clinic Memphis TN 7 47 AM 7 52 AM Discussion 59 7 53 AM 7 58 AM Intraoperative Neurologic Monitoring in Limb Surgery for Patients with Mucopolysaccharidoses Andrew Georgiadis MD Kevin Walker MD Susan Novotny Breana Siljander MD Gillette Children s Specialty Healthcare St Paul MN 7 59 AM 8 04 AM Discussion 60 8 05 AM 8 10 AM A Randomized Controlled Trial of Zoledronic Acid in Perthes Disease ZAP David Little MD MBBS FRACS PhD Kamal Jamil MD Craig Munns MBBS Christopher Cowell MBBS Bruce Foster MD Michael Johnson MD Geoff Donald MBChB Colin Whitewood MBBS The Childrens Hospital at Westmead Sydney NSW Australia 8 11 AM 8 16 AM Discussion 61 8 17 AM 8 22 AM Chronic Recurrent Multifocal Osteomyelitis Diagnosis and Treatment Pathways for a Large Patient Cohort Nathan Donaldson DO Nathan Rogers MPH Ryan Mooney PA C Shelley Dell Orfano Jennifer Soep MD Children s Hospital Colorado Aurora CO 8 23 AM 8 28 AM Discussion 7 35 AM 7 40 AM Discussion Early Registation Deadline March 20 2019 Register Online Today at posna org 21

Page 24

2019 ANNUAL MEETING SCIENTIFIC PROGRAM Basic Science Awards Session Moderator Matthew Halanski MD eModerator Michelle Welborn MD Presider Roger Cornwall MD 65 9 26 AM 9 30 AM Identifying and Pharmacologically Correcting the Molecular Pathophysiology of Contractures in Neonatal Brachial Plexus Injury Athanasia Nikolaou PhD Liangjun Hu MS Roger Cornwall MD Cincinnati Children s Hospital Cincinnati OH FRIDAY MAY 17 CONTINUED 62 8 29 AM 8 34 AM Is it Growth or Natural History Increasing Spinal Deformity after Sanders Stage 7 in Females with AIS Ryan Muchow MD Olivia Grothaus BA Cale Jacobs PhD Vishwas Talwalkar MD Henry Iwinski MD Lexington Shriners Hospital for Children Lexington KY 8 35 AM 8 40 AM Discussion 63 8 41 AM 8 46 AM The Addition of Continuous Nerve Blockade to General Anesthesia An Effective Tool to Reduce Pain and Length of Stay in Pediatric Patients Undergoing Orthopedic Surgery Anas Minkara MD Reid Chambers DO Turan Alparslan MD John Seif MD Ryan Goodwin MD Cleveland Clinic Foundation Cleveland OH 8 47 AM 8 52 AM Discussion 64 8 53 AM 8 58 AM Major Perioperative Complications After Spinal Fusion Do Not Influence Health Related Quality of Life Outcomes in Children with Cerebral Palsy Francisco Eguia BA Derek Nhan BS Suken Shah MD Amit Jain MD Amer Samdani MD Burt Yaszay MD Joshua Pahys MD Michelle Marks PT Paul Sponseller MD Johns Hopkins Hospital Baltimore MD 8 59 AM 9 04 AM Discussion 9 05 AM 9 25 AM Break 22 Early Registation Deadline March 20 2019 Register Online Today at posna org 66 9 31 AM 9 35 AM Early Osteoarthritis Observed after Recovery from Neonatal Brachial Plexus Injury in a Mouse Model Lynn Ann Forrester MD Benjamin Roye MD Stavros Thomopoulos PhD Columbia University Medical Center Department of Orthopedic Surgery New York NY 67 9 36 AM 9 40 AM Local Delivery of Anti VEGF Following Physeal Injury Decreases Bony Bar Formation Christopher Erickson BS Jake Newsom BS Nathan Fletcher PhD Gavriel Feuer BS Yangyi Yu MD Francisco Rodriguez Fontan MD Nancy Miller MD Melissa Krebs PhD Karin Payne PhD University of Colorado Anschutz Medical Campus Aurora CO 9 41 AM 9 49 AM Discussion 68 9 50 AM 9 54 AM Identification of Plasma MicroRNA Signature to Predict Curve Progression in Adolescent Idiopathic Scoliosis AIS A 6 Years Longitudinal Follow Up Study Jiajun Zhang PhD Ka Yee Cheuk Yujia Wang Tsz Ping Lam MBBS Alec Lik Hang Hung Bobby Ng MD Jack Cheng MD Wayne Lee PhD Department of ORT SH Ho Scoliosis Research Laboratory The Chinese University of Hong Kong Hong Kong Hong Kong

Page 25

2019 ANNUAL MEETING SCIENTIFIC PROGRAM FRIDAY MAY 17 CONTINUED 69 9 55 AM 9 59 AM Paraspinal Muscle Tissue Morphological Differences at the Curve Apex in Patients with Adolescent Idiopathic Scoliosis Peter Newton MD Andrew Yoo MD Bahar Shahidi DPT Mary Esparza BS Seth Johnson BS Jennifer Padwal MS Christine Farnsworth MS Richard Lieber PhD Samuel Ward PhD Rady Children s Hospital San Diego San Diego CA 70 10 00 AM 10 04 AM Targeting Cholesterol Biosynthesis in Enchondromas Benjamin Alman MD Duke University Durham NC 10 05 AM 10 13 AM Discussion 10 15 AM 10 30 AM Distinguished Achievement Award Perry Schoenecker MD 10 31 AM 10 38 AM 2020 Meeting Announcements Peter Newton MD 10 39 AM 10 59 AM Presidential Speaker Peter Waters MD 11 00 AM 11 10 AM Presidential Transfer Subspecialty Day Foot Ankle Subspecialty Day 1 The attendee will better understand that presumed standard of care practices may differ among pediatric and adult foot and ankle surgeons 2 The attendee will learn treatment strategies and operative techniques for management of adolescent foot deformities 3 The attendee will learn about the problems associated with the natural history and treatment of pediatric congenital foot deformities and the management of these sequela in the adult patient In this case based symposium the approach to common and complex adolescent foot deformities will be discussed by adult and pediatric orthopaedic foot and ankle specialists to compare contrast and debate differing management strategies PERIOD 1A 1 30 PM 1 40 PM What We See That You Don t What Pediatric Orthopaedic Surgeons Should Know About Their Patients in Adulthood James Brodsky MD 1 40 PM 1 50 PM Commentary Rebuttal Vincent Mosca MD 1 50 PM 2 15 PM Case Presentations Moderators Jennifer Laine MD Anthony Riccio MD Panel James Brodsky MD Jamie Denning MD Vincent Mosca MD Jacob Zide MD The moderators will present three or four cases highlighting the complexities and controversies surrounding various foot and ankle deformities with discussion of treatment techniques and management options by both the pediatric and adult foot and ankle factions Audience participation will be highly encouraged during these discussions 1 30 PM 3 05 PM Co Chairs Jennifer Laine MD Anthony Riccio MD PERIOD 1B FREE PAPERS Moderators Jennifer Laine MD Anthony Riccio MD MANAGEMENT OF COMMON AND COMPLEX ADOLESCENT FOOT DEFORMITY NO SMALL FEET 71 2 16 PM 2 20 PM As transitional medicine becomes increasingly important in both pediatric and adult orthopaedic practices this year s Foot and Ankle open time will consist of a symposium entitled Management of Common and Complex Adolescent Foot Deformity No Small Feet during which four highly regarded adult and pediatric foot and ankle specialists will provide their insights into both common and complex adolescent foot deformities Particular attention will be given by the adult specialists to sharing their perspective on the adult sequela of pediatric congenital foot deformities and the surgical treatment of those deformities The attendee will better understand the controversies and variability surrounding foot and ankle deformity management in the adolescent patient Early Registation Deadline March 20 2019 Register Online Today at posna org Assessment of Quality Metrics in Clubfoot Clinics in an LMIC Low Middle Income Countries Setting Christie Pettitt Schieber MPH Jennifer Everhart PT Francesca Colloredo Mansfeld MPH Alaric Aroojis MD Bai Jerbai Wadia Hospital for Children Mumbai Maharashtra India 23

Page 26

2019 ANNUAL MEETING SCIENTIFIC PROGRAM Hand Subspecialty Day FRIDAY MAY 17 CONTINUED 72 2 21 PM 2 25 PM Anterior Hemi Epiphysiodesis of the Distal Tibia for Residual Equinus Deformity in Children with Clubfeet Pamela Lang MD Kenneth Noonan MD Benjamin Giertych BS Sara Heintzman MD University of Wisconsin American Family Children s Hospital Madison WI 73 2 26 PM 2 30 PM How Many Clubfoot Patients Undergo Foot or Ankle Surgery as Adults Steven Frick MD Thompson Zhuang BA Stanford University Stanford CA 2 31 PM 2 40 PM Discussion 74 2 41 PM 2 24 PM Posterior Ankle Impingement Why is there a Delay in Diagnosis in Pediatric and Adolescent Patients Indranil Neel Kushare MD Matthew Ditzler MD Kristen Kastan Siddharth Jadhav MD Texas Children s Hospital Houston TX 75 2 46 PM 2 50 PM A Randomized Controlled Trial Comparing Stockinette Cast Padding and Webril Cast Padding for Treatment of Clubfoot by the Ponseti Method Kevin Smit MD Meaghan Marien MD Marcel Abouassaly MD Ken Kontio MD John Jarvis MBA Children s Hospital of Eastern Ontario Ottawa Ontario Canada 76 2 51 PM 2 55 PM Algorithm in the Treatment of Ankle Valgus in MHE Patients David Feldman MD Melih Civan MD Troy Rand PhD Dror Paley MD FRCSC Aaron Huser DO The Paley Institute West Palm Beach FL 2 56 PM 3 05 PM Discussion 24 Early Registation Deadline March 20 2019 Register Online Today at posna org 3 25 PM 5 00 PM Co Chairs Apurva Shah MD MBA Christopher Stutz MD Challenging cases in pediatric upper extremity surgery including brachial plexus complex elbow and wrist and congenital limb differences will be presented to a panel of experts Pre operative evaluation surgical techniques and treatment algorithms will be explored highlighting controversies in decision making for a variety of pediatric upper extremity conditions PERIOD 2A 3 25 PM 3 30 PM Challenging Cases in the Pediatric Upper Extremity Case Presentation 1 Apurva Shah MD MBA 3 31 PM 3 47 PM Discussion Panel Donald Bae MD Robert Carrigan MD Charles Goldfarb MD 3 48 PM 3 53 PM Challenging Cases in the Pediatric Upper Extremity Case Presentation 2 Christopher Stutz MD 3 54 PM 4 10 PM Discussion Panel Robert Carrigan MD Charles Goldfarb MD Allan Peljovich MD MPH PERIOD 2B Free Papers Moderators Apurva Shah MD MBA Christopher Stutz MD 77 4 11 PM 4 15 PM Treatment Variation in Brachial Plexus Birth Injury Across Academic Medical Centers in North America Carley Vuillermin MBBS Amina Kunnummal BS Andrea Bauer MD Roger Cornwall MD Ashley Tartarilla MA Patricia Miller MS Peter Waters MD Boston Children s Hospital Boston MA 78 4 16 PM 4 20 PM Are Nerve Transfers Supplanting Nerve Grafting as the Primary Treatment Strategy for Brachial Plexus Birth Palsy Jigar Gandhi Divya Talwar MPH Rikesh Gandhi MD Joshua Abzug MD Apurva Shah MD MBA Children s Hospital of Philadelphia Philadelphia PA 79 4 21 PM 4 25 PM The Incidence and Epidemiology of BPBI in California 1997 2016 Mary Manske MD Lauren Agatstein BA Michelle James MD Shriners Hospital for Children Northern California Sacramento CA

Page 27

2019 ANNUAL MEETING SCIENTIFIC PROGRAM FRIDAY MAY 17 CONTINUED 4 26 PM 4 35 PM Discussion 80 4 36 PM 4 40 PM Seymour Fractures a Review of Treatment and Outcomes Dawn Goral MD Bryant Elrick MS Christopher Chen MD Andy Lalka MPH Sarah Sibbel MD Jessica Wingfield MD Frank Scott Children s Hospital Colorado Aurora CO 81 4 41 PM 4 45 PM Exploring Demographics Treatment and Outcomes for Pediatric Bony Ulnar Collateral Ligament UCL Injuries Julie Samora MD Nina Livermore BS Nationwide Children s Hospital Columbus OH 82 4 46 PM 4 50 PM Outcomes of Syndactyly Reconstruction using Hyalomatrix Charles Goldfarb MD Lindley Wall MD Katherine Velicki BA Summer Roberts MA Shriner s Hospital for Children Saint Louis MO 4 51 PM 5 00 PM Discussion Hip Subspecialty Day 1 30 PM 5 00 PM Co Chairs Travis Matheney MD Vidyadhar Upasani MD The Hip Subspecialty Day sessions will be a combination of scientific papers and debates centered around case presentations We sought to include cases that we feel are some of the more challenging hip problems in children and adolescents In session one we will discuss how to manage symptomatic whole head involvement avascular necrosis In the second session we will dive into a debate of when to treat infant hip dislocations that have failed bracing operate early versus wait until patient is old enough to undergo open reduction and osteotomy ADOLESCENT HIP PERIOD 1A FREE PAPERS Moderator Vidyadhar Upasani MD 83 1 30 PM 1 34 PM Outcomes of Periacetabular Osteotomy for Mild Acetabular Dysplasia in Adolescent Patients Ishaan Swarup MD Ira Zaltz MD Stacy Robustelli BS Bryan Kelly MD Ernest Sink MD Hospital for Special Surgery New York NY Early Registation Deadline March 20 2019 Register Online Today at posna org 84 1 35 PM 1 39 PM Do Active PAO Patients Maintain their Activity Levels over Mid Term Follow Up Cecilia Pascual Garrido MD Ugochi Okoroafor MD Maria Schwabe BS Wahid Abu Amer MD John Clohisy MD Washington University School of Medicine Saint Louis MO 85 1 40 PM 1 44 PM Predictors of Failure After Surgical Treatment of Femoroacetabular Impingement Results of a Multicenter Prospective Cohort of 621 Hips Jeffrey Nepple MD Asheesh Bedi MD Ira Zaltz MD Christopher Larson MD Daniel Sucato MD MS Paul Beaule MD Young Jo Kim MD PhD ANCHOR Study Group John Clohisy MD Washington University School of Medicine Saint Louis MO 1 45 PM 1 54 PM Discussion 86 1 55 PM 1 59 PM Does a Fascia Iliaca Pain Block Protocol Facilitate Earlier Mobilization and Shorter Hospital Stay yhan Epidural Anesthesia After Periacetabular Osteotomy Patrick Whitlock MD Vidya Chidambaran Megan Albertz MD Lili Ding PhD James McCarthy MD MHCM Cincinnati Children s Hospital Medical Center Cincinnati OH 87 2 00 PM 2 04 PM Naproxen Provides Safe and Effective Heterotopic Ossification Prophylaxis for Periacetabular Osteotomies John Clohisy MD Adam Sassoon MD Gail Pashos Sean Akers Karla Crook BS W Washington University School of Medicine Saint Louis MO 88 2 05 PM 2 09 PM Does Early Proximal Femoral Varus Osteotomy Shorten the Length of Fragmentation In LCPD Lessons from a Prospective Multi Center Cohort Wudbhav Woody Sankar MD Scott Lavalva BA Molly McGuire Chan Hee Jo PhD Harry Kim MD Children s Hospital of Philadelphia Philadelphia PA 2 10 PM 2 19 PM Discussion 25

Page 28

2019 ANNUAL MEETING SCIENTIFIC PROGRAM FRIDAY MAY 17 CONTINUED PERIOD 1B 2 20 PM 2 22 PM Case 1 Management of Focal Femoral Head Avascular Necrosis Vidyadhar Upasani MD 2 23 PM 2 27 PM Allograft Biologics Patrick Whitlock MD 2 28 PM 2 32 PM Osteotomy Courtney O Donnell MD 2 32 PM 2 42 PM Discussion 2 43 PM 2 45 PM Case 2 Management of Whole Head Avascular Necrosis Vidyadhar Upasani MD 2 46 PM 2 50 PM THA John Clohisy MD 2 51 PM 2 55 PM Non Arthroplasty Options David Podeszwa MD 2 55 PM 3 05 PM Discussion 3 05 PM 3 25 PM Break DEVELOPMENTAL DYSPLASIA OF THE HIP PERIOD 2A FREE PAPERS Moderator Travis Matheney MD 89 3 25 PM 3 29 PM Comparison Between the Pavlik Harness and the T bingen Splint for the Treatment of Developmental Dysplasia of the Hip in Infants Xuemin Lyu MD Beijing Jishuitan Hospital Beijing China People s Republic of 90 3 30 PM 3 34 PM The Fate of the Stubborn Hip in Bilateral Cases Where One Hip Reduces on Initial Treatment How Many and What To Do Jose Herrera Soto MD Emily Schaeffer PhD Kishore Mulpuri MBBS Wudbhav Woody Sankar MD Nicole Williams FRACS Travis Matheney MD Vidyadhar Upasani MD BC Children s Hospital Vancouver BC Canada 26 Early Registation Deadline March 20 2019 Register Online Today at posna org 91 3 35 PM 3 39 PM Perfusion MRI after Closed and Open Reduction may not Predict Proximal Femoral Growth Disturbance at Long term Followup in Developmental Dysplasia of the Hip Florian Schmaranzer MD Young Jo Kim MD PhD Mariana Ferrer MD David Williams PhD Sarah Bixby MD Eduardo Novais MD Boston Children s Hospital Boston MA 3 40 PM 3 49 PM Discussion 92 3 50 PM 3 54 PM Anterior Open Reduction of the Hip in Walking Age Children What is the Role of Bony Surgery Alpesh Kothari MD Angela Tatay MD Sarah Lancaster MD Tim Theologis Oxford University Hospitals NHS Trust Oxford Oxfordshire United Kingdom 93 3 55 PM 3 59 PM Hip Morphology Differs on Post reduction MRI Between Hips with and without Residual Dysplasia at Long term A Pilot Study with a Minimum 10 year Followup Florian Schmaranzer MD Mariana Ferrer MD Young Jo Kim MD PhD David Williams PhD Sarah Bixby MD Eduardo Novais MD Boston Childrens Hospital Boston MA 94 4 00 PM 4 04 PM Predictors of Total Hip Arthroplasty Following Surgical Treatment of Pediatric Developmental Hip Dysplasia Ernest Young MD Paul Sousa MD William Shaughnessy MD Anthony Stans MD Todd Milbrandt MD A Noelle Larson MD Mayo Clinic Rochester MN 4 05 PM 4 15 PM Discussion PERIOD 2B 4 15 PM 4 17 PM Case 1 Persistent Dislocation Failed Bracing Travis Matheney MD 4 18 PM 4 22 PM Attempt Closed Reduction Open Reduction Early Early Treatment Andreas Roposch MD MSc FRCS 4 23 PM 4 27 PM Wait for Open Reduction Osteotomies Charles Price MD 4 27 PM 4 37 PM Discussion

Page 29

2019 ANNUAL MEETING SCIENTIFIC PROGRAM FRIDAY MAY 17 CONTINUED 4 38 PM 4 40 PM Case 2 Residual Dysplasia with Open Triradiate Cartilage Travis Matheney MD 4 41 PM 4 45 PM Intervene Now Scott Rosenfeld MD 4 46 PM 4 50 PM Wait and See PAO is Best Eduardo Novais MD 4 50 PM 5 00 PM Discussion 97 1 40 PM 1 44 PM Distal Tibial Osteotomy to Address Internal Tibial Torsion Should the Fibula be Cut Emily Cidambi MD Megan Jeffords MS Christine Farnsworth MS Jessica Hughes MD Kevin Parvaresh MD Thomas Sullivan MD Burt Yaszay MD Eric Edmonds MD Rady Children s Hospital San Diego San Diego CA 1 45 PM 1 54 PM Discussion Lower Extremity Subspecialty Day Moderator Raymond Liu MD 1 30 PM 3 05 PM Co Chairs Christopher Iobst MD Raymond Liu MD 98 1 55 PM 1 59 PM Posterior Neurovascular Bundle Location Is Variable in Fibular Hemimelia David Feldman MD Aaron Huser DO Troy Rand PhD Dror Paley MD FRCSC The Paley Institute West Palm Beach FL This session will be a mixture of scientific papers debates and panel discussion regarding lower extremity deformity issues The debate will attempt to answer the question of whether isolated femoral anteversion should be corrected or not With the recent paradigm shift away from pediatric external fixation in limb deformity correction a panel will discuss techniques to correct distal femoral deformity that do not require an external fixator post operatively PERIOD 1A FREE PAPERS Moderator Christopher Iobst MD 95 1 30 PM 1 34 PM Vitamin D Level of Toddlers with Physiologic Genu Varum is Lower than That of Control Toddlers 1 2 Case Control Study Yuko Sakamoto MD Juntendo University Nerima Hospital Tokyo Japan 96 1 35 PM 1 39 PM Recurrence of Varus Following Guided Growth for Infantile Tibia Vara Allison Scott MD Shriners Hospital for Children Houston Houston TX 99 2 00 PM 2 04 PM Extramedullary Motorized Lengthening of the Femur in Pediatric Patients Andrew Georgiadis MD Jennifer Laine MD Susan Novotny Mark Dahl MD Gillette Children s Specialty Healthcare St Paul MN 100 2 05 PM 2 09 PM Results of Physeal Bar Resection at a Single Pediatric Institution John Birch FRCSC Kshitij Manchanda MD David Podeszwa MD Yassine Kanaan MD Chan Hee Jo PhD Jennifer Rogers MA Texas Scottish Rite Hospital for Children Dallas TX 2 10 PM 2 19 PM Discussion PERIOD 1B DEBATE Should Isolated Femoral Anteversion Be Corrected Moderator Christopher Iobst MD 2 20 PM 2 25 PM Pro J Eric Gordon MD 2 25 PM 2 30 PM Con Richard Davidson MD 2 30 PM 2 40 PM Discussion Early Registation Deadline March 20 2019 Register Online Today at posna org 27

Page 30

2019 ANNUAL MEETING SCIENTIFIC PROGRAM FRIDAY MAY 17 CONTINUED CASE DISCUSSION Surgical Approach for Distal Femoral Valgus with Shortening Moderator Raymond Liu MD 2 40 PM 2 45 PM Fixator Assisted Nailing Christopher Iobst MD 2 45 PM 2 50 PM Fixator Assisted Plating and Proximal Lengthening John Herzenberg MD 2 50 PM 2 55 PM Reverse Planning Method Mark Dahl MD 2 55 PM 3 05 PM Discussion Neuromuscular Subspecialty Day 3 25 PM 5 00 PM Co Chairs Emily Dodwell MD Vineeta Swaroop MD This session will be a mixture of scientific papers debates and discussion regarding neuromuscular issues The debate will focus on cerebral palsy surgery percutaneous vs open lengthenings Presentations on different publications that may change your practice operating on older teens with cerebral palsy and a master technique on the early results of the trochanteric sparing proximal femoral resection for arthritic neuromuscular hip will also be presented PERIOD 2A FREE PAPERS Moderators Emily Dodwell MD Vineeta Swaroop MD 101 3 25 PM 3 29 PM Impact of Hip Displacement on Health Related Quality of Life in Children with Cerebral Palsy Unni Narayanan FRCSC Menal Huroy BS Clarissa Encisa MPH Ashley Ferkul BA Herbert Graham MD Kishore Mulpuri MBBS Michael Fehlings MD The Hospital for Sick Children Toronto Ontario Canada 102 3 30 PM 3 34 PM Hip Reconstruction in Children with Cerebral Palsy What Predicts Failure Pooya Hosseinzadeh MD Arya Minaie BA Jaclyn Schipper BA Elizabeth Forsen ST Saint Louis Children s Hospital Saint Louis MO 28 Early Registation Deadline March 20 2019 Register Online Today at posna org 103 3 35 PM 3 39 PM Additional Therapeutic Effects of Guided Growth In Spastic Hip Displacement Chia Hsieh Chang MD Huan Sheu MD Wen E Yang MD Hsuan Kai Kao MD Chang Gung Memorial Hospital Taoyuan City Taiwan 3 40 PM 3 49 PM Discussion 104 3 50 PM 3 54 PM Anterior Guided Growth of the Distal Femur for Knee Flexion Contracture Clinical Radiographic and Motion Analysis Results Kemble Wang MD Adam Rozumalski PhD Thomas Novacheck MD Andrew Georgiadis MD Gillette Children s Specialty Healthcare St Paul MN 105 3 55 PM 3 59 PM A Thirteen Year Longitudinal Outcome Study Is Adolescent Mobility Function Preserved in Adults with Cerebral Palsy Freeman Miller MD Chris Church PT Nancy Lennon PT Faithe Kalisperis DPT Kristen Nicholson PhD Jose Salazar Torres PhD John Henley PhD Daveda Taylor DPT Timothy Niiler PhD Julieanne Sees DO Michael Shrader MD Nemours duPont Hospital for Children Wilmington DE 106 4 00 PM 4 04 PM Femoral Head Avascular Necrosis After Reconstructive Hip Surgery in Children with Cerebral Palsy Pooya Hosseinzadeh MD Arya Minaie BA Jaclyn Schipper BA Elizabeth Forsen ST Saint Louis Children s Hospital Saint Louis MO 4 05 PM 4 15 PM Discussion PERIOD 2B Moderators Emily Dodwell MD Vineeta Swaroop MD DEBATE Surgery in Cerebral Palsy Percutaneous vs Open Lengthenings 4 15 PM 4 20 PM Percutaneous David Yngve MD 4 21 PM 4 26 PM Open Jon Davids MD 4 27 PM 4 34 PM Discussion

Page 31

2019 ANNUAL MEETING SCIENTIFIC PROGRAM FRIDAY MAY 17 CONTINUED 4 35 PM 4 40 PM Publications This Year That Might Change Your Practice Jill Larson MD 4 41 PM 4 50 PM How When to Operate on Older Teens Young Adults with Cerebral Palsy Henry Hank Chambers MD 4 51 PM 5 00 PM Master Technique Early Results of the Trochanteric Sparing Proximal Femoral Resection for Arthritic Neuromuscular Hip Jonathan Schoenecker MD PhD Spine Subspecialty Day 1 30 PM 5 00 PM Co Chairs Lindsay Andras MD Ron El Hawary MD OPTIMIZING SPINAL DEFORMITY CARE A DEEPER DIVE INTO BUILDING A SUCCESSFUL TEAM As the importance of a collaborative effort in and out of the operating room has become apparent for patient safety and improving outcomes we will look at ways to build a successful spine team Participants can expect to gain pearls from some of the nation s top centers that will encourage dialogue with their own team members PERIOD 1A Moderators Lindsay Andras MD Ron El Hawary MD 1 30 PM 1 34 PM How to Create a Positive Culture From CEO to Circulators David Skaggs MD MMM 1 34 PM 1 38 PM Secrets to Successful Anesthesia for Complex Spinal Deformity John Jack Flynn MD 1 38 PM 1 42 PM What Makes My Neuromonitoring Team Great Suken Shah MD 1 42 PM 1 46 PM Tips from My Star Scrub Technician Brandon Ramo MD 1 46 PM 1 50 PM Reining in the Radiation How to Protect Your Patients and Staff with or without an O arm A Noelle Larson MD 1 50 PM 1 55 PM Discussion 1 55 PM 1 59 PM Safely Improving Speed The 5 Biggest Factors That Have Made My Team Faster Peter Newton MD Early Registation Deadline March 20 2019 Register Online Today at posna org 1 59 PM 2 03 PM Managing Pain and Expectations for an Accelerated Discharge The Team Approach Nicholas Fletcher MD 2 03 PM 2 07 PM Why My PA is Critical to Patient Pre and Postop Care Michael Glotzbecker MD 2 07 PM 2 11 PM Cutting Costs Not Corners How to Lower Expenses without Sacrificing Care Laurel Blakemore MD 2 11 PM 2 15 PM Discussion PERIOD 1B FREE PAPERS Moderators Patrick Cahill MD Amy McIntosh MD 107 2 16 PM 2 20 PM Accelerated Discharge Pathway Resulted in 50 Decrease in Length of Stay Lower Pain at Discharge and Earlier Return to School than a Traditional Discharge Pathway Following Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis A Prospective Study Nicholas Fletcher MD Joshua Murphy MD Hilary Harris BS Jack Goldberg BS Thomas Austin MD Austin Yu BS Robert Bruce MD Michael Schmitz MD Dennis Devito MD Jorge Fabregas MD Firoz Miyanji MD Children s Healthcare of Atlanta Atlanta GA 108 2 21 PM 2 25 PM The Impact of Posterior Spinal Fusion PSF on Coronal Balance in Adolescent Idiopathic Scoliosis AIS A New Classification and Trends in the Post Operative Period Jason Anari MD Aaron Tatad MPH Patrick Cahill MD John Jack Flynn MD Harms Study Group Children s Hospital of Philadelphia Philadelphia PA 109 2 26 PM 2 30 PM It s Not Just About te Frontal Plane Sagittal Parameters Impact Curve Progression in AIS Patients Undergoing Brace Treatment Hiroko Matsumoto MA Shay Warren MD Megan Campbell BA John Tunney Nicole Bainton NP Joshua Hyman MD Benjamin Roye MD David Roye MD Michael Vitale MD MPH Columbia University Medical Center New York NY 29

Page 32

2019 ANNUAL MEETING SCIENTIFIC PROGRAM FRIDAY MAY 17 CONTINUED 2 31 PM 2 40 PM Discussion 110 2 41 PM 2 24 PM Curve Flexibility is a Significant Predictor of Surgical Morbidity for Patients with Cerebral Palsy and Severe Scoliosis Jessica Hughes MD Burt Yaszay MD Tracey Bastrom MA Carrie Bartley MA Paul Sponseller MD Patrick Cahill MD Mark Abel MD Suken Shah MD Firoz Miyanji MD Amer Samdani MD Peter Newton MD Harms Study Group Alfred I Dupont Hosp for Children Wilmington DE 111 2 46 PM 2 50 PM Of Cerebral Palsy Patients Fused Short of the Pelvis What Predicts Good Radiographic Results Francisco Eguia BA Brian Sullivan MD Patrick Cahill MD David Spiegel MD Keith Baldwin MD Suken Shah MD Burt Yaszay MD Peter Newton MD Paul Sponseller MD Johns Hopkins Hospital Baltimore MD 112 2 51 PM 2 55 PM Implanted Reservoir for Intrathecal Administration of Nusinersen Spinraza in Patients with Spinal Muscular Atrophy and Posterior Spinal Fusions Burt Yaszay MD Chamindra Konersman MD Emily Ewing MA Andrew Skalsky MD Rady Children s Hospital San Diego CA 2 56 PM 3 05 PM Discussion 3 05 PM 3 25 PM Break EARLY ONSET SCOLIOSIS TWEENERS 8 10 YEAR OLDS WITH EOS There is equipoise as to the ideal treatment for older patients with early onset scoliosis PERIOD 2A Moderators Firoz Miyanji MD Jeffrey Sawyer MD 3 25 PM 3 30 PM Setting the Stage Jeffrey Sawyer MD 3 30 PM 3 35 PM Non Surgical Treatment Lori Karol MD 30 Early Registation Deadline March 20 2019 Register Online Today at posna org 3 35 PM 3 40 PM Growth Friendly Treatment Michael Vitale MD MPH 3 40 PM 3 45 PM Vertebral Body Stapling Patrick Cahill MD 3 45 PM 3 50 PM Vertebral Body Tethering Stefan Parent MD 3 50 PM 3 55 PM Spinal Fusion Jaime G mez MD 3 55 PM 4 10PM Discussion PERIOD 2B FREE PAPERS Moderators Amer Samdani MD John Smith MD 113 4 11 PM 4 15 PM What is the Cost of a Cast Holiday in Treating Children with Early Onset Scoliosis EOS with Elongation Derotation Flexion EDF Mehta Casting Graham Fedorak MD Hannah Dreksler BS Alexandra Nielson BS John Heflin MD Bruce MacWilliams Jacques D Astous MD Shriners Hospitals for Children Salt Lake City Salt Lake City UT 114 4 16 PM 4 20 PM Relationship Between Body Mass Rod Diameter and Rod Fracture in Magnetically Controlled Growing Rods Benjamin Roye MD Gerard Marciano Megan Campbell BA Hiroko Matsumoto MA Klane White MD Jeffrey Sawyer MD John Smith MD Scott Luhmann MD Peter Sturm MD Paul Sponseller MD Michael Vitale MD MPH Children s Spine Study Group Growing Spine Study Group Columbia University Medical Center New York NY 115 4 21 PM 4 25 PM Correlation Between Surgical Site Infection and Classification of Early Onset Scoliosis C EOS in Patients Managed by Rib based Distraction Instrumentation VEPTR John Jack Flynn MD Mahmoud Mahmoud MD Patrick Cahill MD Aaron Tatad MPH Children s Hospital of Philadelphia Philadelphia PA 4 26 PM 4 35 PM Discussion

Page 33

2019 ANNUAL MEETING SCIENTIFIC PROGRAM FRIDAY MAY 17 CONTINUED 116 4 36 PM 4 40 PM Limited Sequence MRI s for Early Onset Scoliosis Patients Detected 100 of Neural Axis Abnormalities While Reducing MRI Time by 68 Rajan Murgai BS Benita Tamrazi MD Kenneth Illingworth MD David Skaggs MD MMM Lindsay Andras MD Children s Hospital Los Angeles Los Angeles CA 117 4 41 PM 4 45 PM Intraspinal MRI Abnormalities in Early Onset Scoliosis Rates Across a Global Cohort Brendan Williams MD Anna McClung RN Suken Shah MD Laurel Blakemore MD Jeff Pawelek Paul Sponseller MD Stefan Parent MD John Emans MD Peter Sturm MD Burt Yaszay MD Behrooz Akbarnia MD Growing Spine Study Group University of Florida at Gainesville Gainesville FL 118 4 46 PM 4 50 PM One and Done Surgical Fusion for Juvenile Scoliosis Leads to Equivalent PROs at Five Years Despite High Rates of Adding On Brandon Ramo MD Nathan Boes MD Dong Phuong Tran MS David Thornberg Texas Scottish Rite Hospital for Children Dallas TX 4 51 PM 5 00 PM Discussion Sports Subspecialty Day 1 30 PM 5 00 PM Co Chairs Cordelia Carter MD Benton Heyworth MD PERIOD 1A LOWER EXTREMITY SPORTS INJURIES CONDITIONS FREE PAPERS Moderator Benton Heyworth MD 119 1 30 PM 1 34 PM Four in One Extensor Realignment Procedure for the Treatment of Obligatory or Fixed Lateral Patellar Instability David Deliberato DO Oussama Abousamra MD Satbir Singh BS Kevin Klingele MD Nationwide Children s Hospital Columbus OH Early Registation Deadline March 20 2019 Register Online Today at posna org 120 1 35 PM 1 39 PM Predicting Recurrent Patellar Instability with Novel MRI Measurements of Extensor Mechanism Containment Daniel Weltsch MD Calvin Chan John Urwin BS R Justin Mistovich MD Christopher Gajewski BA Peter Fabricant MD J Todd Lawrence MD PhD Children s Hospital of Philadelphia Philadelphia PA 121 1 40 PM 1 44 PM The Utility of Stability and Tear Location in a Classification System for Discoid Meniscus Surgical Planning Brian Yang BA Catherine Logan MD Kathryn Williams MS Frances Tepolt MD Nikolaos Paschos MD Mininder Kocher MD MPH Boston Children s Hospital Boston MA 1 45 PM 1 54 PM Discussion 122 1 55 PM 1 59 PM Race Independently Predicts Unsuccessful Healing of Osteochondritis Dissecans in the Pediatric Knee Neeraj Patel MD Jigar Gandhi Andrew Helber BA Kevin Shea MD Theodore Ganley MD Children s Hospital of Philadelphia Philadelphia PA 123 2 00 PM 2 04 PM Meniscus Root Tears in Children and Adolescents Samuel Willimon MD Michael Busch MD Melissa Christino MD Crystal Perkins MD Children s Healthcare of Atlanta Atlanta GA 124 2 05 PM 2 09 PM The Use of the Y Balance Test for Return to Play Assessment Following Adolescent ACL Reconstruction Exposing the Contralateral Limb Henry Ellis MD K John Wagner BS Meagan Sabatino BA Aaron Zynda BS Lorenzo Vite PT Jessica Dabis DPT Laura Saleem PT Daniel Stokes DPT Philip Wilson MD Texas Scottish Rite Hospital for Children Dallas TX 2 10 PM 2 19 PM Discussion 31

Page 34

2019 ANNUAL MEETING SCIENTIFIC PROGRAM FRIDAY MAY 17 CONTINUED PERIOD 1B LE HIP KNEE ANKLE CASE BASED CONTROVERSIES The invited speakers will debate different positions on some of the most controversial and common upper extremity conditions in pediatric sports medicine Specifically debates will include when to pursue non operative treatment versus joint preservation technique in femoroacetabular impingement FAI what the best surgical treatment for unstable OCD of the patella and what techniques offer the most successful outcomes for talar OCD FAI 6 months hip pain in adolescent soccer player with mild cam lesion w possible small labrum tear on MR arthrogram 2 20 PM 2 25 PM Nonop Injection PT Andrew Pennock MD 2 25 PM 2 30 PM Arthroscopic Osteoplasty and Labrum Repair Yi Meng Yen MD 2 30 PM 2 35 PM Discussion Patellar OCD 6 weeks of knee pain in skeletally mature baseball player worse with squatting with 12x10x8mm unstable OCD with multiple chondral fissures 2 35 PM 2 40 PM Drilling and Fixation Jennifer Beck MD 2 40 PM 2 45 PM Chondroplasty Debridement and Drilling Microfracture Marrow Stimulation Gregory Schmale MD 2 45 PM 2 50 PM Discussion Talar OCD Pre adolescent female gymnast with non healing 1x1cm posteromedial talar dome stable OCD despite 3 months crutches and boot 2 50 PM 2 55 PM Trans Articular Drilling Jeremy Frank MD 2 55 PM 3 00 PM Retro Articular Drilling and Bone Grafting Shital Parikh MD 3 00 PM 3 05 PM Discussion 3 05 PM 3 25 PM Break 32 Early Registation Deadline March 20 2019 Register Online Today at posna org PERIOD 2A UPPER EXTREMITY SPORTS INJURIES CONDITIONS FREE PAPERS Moderator Cordelia Carter MD 125 3 25 PM 3 29 PM Sports Specialization and Incidence of Shoulder Pain in American Youth Peter Fabricant MD Madison Heath BS Jonathan Schachne MD Shevaun Doyle MD Roger Widmann MD Daniel Green MD Hospital for Special Surgery New York NY 126 3 30 PM 3 34 PM Normal Glenoid Ossification in Pediatric and Adolescent Shoulders Mimics Bankart Lesions An MRI Based Study Peter Fabricant MD Harry Greditzer MD Joash Suryavanshi BA Sreetha Sidharthan BS Madison Heath BS Daniel Green MD Hospital for Special Surgery New York NY 127 3 35 PM 3 39 PM Risk Factors for Recurrent Anterior Shoulder Instability after Arthroscopic Stabilization in Adolescent Athletes Timothy Cheng MD Eric Edmonds MD Tracey Bastrom MA Andrew Pennock MD Rady Children s Hospital San Diego CA 3 40 PM 3 49 PM Discussion 128 3 50 PM 3 54 PM Posterior Shoulder Instability Surgical Outcomes and Risk of Failure in Adolescence Alicia Asturias BA Tracey Bastrom MA Andrew Pennock MD Eric Edmonds MD Rady Children s Hospital San Diego CA 129 3 55 PM 3 59 PM Progressive Elbow MRI Abnormalities in Little League Baseball Players are Common A 3 Year Longitudinal Evaluation Joshua Holt MD Philip Henry Stearns NP Tracey Bastrom MA M Morgan Dennis Jerry Dwek BS Andrew Pennock MD Rady Children s Hospital San Diego CA

Page 35

2019 ANNUAL MEETING SCIENTIFIC PROGRAM FRIDAY MAY 17 CONTINUED 130 4 00 PM 4 04 PM Early Functional Outcomes and Radiographic Healing after Autologous Osteochondral Grafting for Osteochondritis Dissecans of the Elbow Results from a Prospective Registry Kemble Wang MD Kathryn Williams MS Katherine Eisenberg BS Donald Bae MD Boston Children s Hospital Boston MA 4 05 PM 4 15 PM Discussion PERIOD 2B UE SHOULDER CASE BASED CONTROVERSIES Experts in shoulder surgery will provide their recommended approaches to two of the most frequent presentations in adolescent sports medicine first time shoulder dislocation for a contact athlete and multidirectional instability with recurrent subluxations affecting activities of daily life Debate will be focused on surgical indications and the techniques that minimize recurrence while allowing full return to activities including competitive sports Traumatic Unidirectional Shoulder Instability 1st time traumatic anterior GH dislocation in adolescent male football player 4 15 PM 4 20 PM Nonop PT Bracing Matthew Schmitz MD 4 20 PM 4 25 PM Op Arthroscopic Bankart Repair Paul Saluan MD 4 25 PM 4 30 PM Op Open Bankart Repair Henry Ellis MD 4 30 PM 4 40 PM Discussion Multidirectional Instability multiple subluxations pain despite 6mo PT in adolescent female recreational athlete with ligamentous laxity 4 40 PM 4 45 PM Nonop PT Donald Bae MD 4 45 PM 4 50 PM Op Arthroscopic Capsulorrhaphy Michael Busch MD 4 50 PM 4 55 PM Op Open Inferior Capsular Shift Mininder Kocher MD MPH Trauma Subspecialty Day 1 30 PM 5 00 PM Co Chairs Andrew Howard MD Mark Sinclair MD This session will be a mixture of scientific papers debates and case discussions regarding upper and lower extremity trauma The debates and case discussions will specifically address distal radius femoral and tibial shaft fractures where the patient either due to age size or injury pattern is in between pediatric and adult fracture treatment techniques Through our lively discussion we will attempt to decide the best course of treatment for these tweener cases Audience participation will be encouraged UPPER EXTREMITY TRAUMA PERIOD 1A FREE PAPERS Moderator Andrew Howard MD 131 1 30 PM 1 34 PM Improving Quality in the Treatment of Pediatric Forearm Fractures Minimizing the Needfor Repeat Intervention Todd Osterbur PA C Kevin Neal MD Gary Kiebzak PhD Nemours Wilmington DE 132 1 35 PM 1 39 PM Post Traumatic Growth Arrests of the Distal Radius in Children and Adolescents Patrick Tohm MD Eric Desautels Marie Lyne Nault MD Nathalie Jourdain MA Marie Beausejour PhD Raphaelle Blondin Gravel MSc Constantin Stanciu Mathilde Hupin MD CHU Ste Justine Montreal Quebec Canada 133 1 40 PM 1 44 PM Vitamin D Status in Children with Forearm Fractures Is Deficiency Associated with Fracture Severity Pooya Hosseinzadeh MD Gary Kiebzak PhD Baptist Health South Florida Miami Florida 1 45 PM 1 54 PM Discussion 4 55 PM 5 00 PM Discussion Early Registation Deadline March 20 2019 Register Online Today at posna org 33

Page 36

2019 ANNUAL MEETING SCIENTIFIC PROGRAM FRIDAY MAY 17 CONTINUED 134 1 55 PM 1 59 PM Prospective Comparison of Operative versus Non operative Treatment of Type IIA Supracondylar Humerus Fractures Julia Sanders MD Andrew Pennock MD Eric Edmonds MD Olivia Hughes BS M Morgan Dennis BS Christina Paik PA C Philip Stearns NP Vidyadhar Upasani MD Rady Children s Hospital San Diego CA 135 2 00 PM 2 04 PM Minimally Displaced Humeral Lateral Condyle Fractures Is Prophylactic Stabilization Superior To Surgery After Displacement Dustin Greenhill MD Shawn Funk MD Marilyn Elliott Chan Hee Jo PhD Brandon Ramo MD Texas Scottish Rite Hospital for Children Dallas TX 136 2 05 PM 2 09 PM Pediatric Type II Supracondylar Humerus Fractures Factors Associated with Successful Closed Reduction and Immobilization Patrick Ojeaga Christine Ho MD Charles Wyatt NP Philip Wilson MD Henry Ellis MD Texas Scottish Rite Hospital for Children Dallas TX 2 10 PM 2 19 PM Discussion PERIOD 1B 2 20 PM 2 35 PM Medial Epicondyle Factors ORIF or Treat Closed Colin May MD 2 35 PM 2 50 PM Open Forearm Wrist Fractures Emergency Department Irrigation vs Formal Operative Debridement Joseph Jay Janicki MD 2 50 PM 3 05 PM Displaced Distal Radius Fractures Reduce or Not Reduce Pin or Not Pin Walter Truong MD 3 05 PM 3 25 PM Break 34 Early Registation Deadline March 20 2019 Register Online Today at posna org LOWER EXTREMITY TRAUMA PERIOD 2A FREE PAPERS Moderator Mark Sinclair MD 137 3 25 PM 3 29 PM Open Reduction of Closed Pediatric Tibia Fractures Treated with Intramedullary Stabilization Does Not Increase Risk of Post Operative Complications Todd Blumberg MD Erik Magnusson MD Daniel Weltsch MD Keith Baldwin MD Seattle Children s Hospital Seattle WA 138 3 30 PM 3 34 PM Treatment Outcomes of Displaced Adolescent Distal Third Tibia Fractures Can We Do Better Wendy Ramalingam MD Patrick Carry MS Christopher Brazell BA Ryan Calkins BS Sara Linza Moscati Jason Stoneback MD Nancy Miller MD Children s Hospital of Colorado Aurora CO 139 3 35 PM 3 39 PM Secondary Surgeries Following Major Lower Extremity Amputations in the Pediatric Population Christopher Joyce MD Jane Gralla PhD Ryan Calkins BS Anastasiya Trizno BS Colin Reisenauer BS Jason Stoneback MD University of Colorado Aurora CO 3 40 PM 3 49 PM Discussion 140 3 50 PM 3 54 PM Duration of Spica Cast Treatment for Childhood Femur Fracture R Dale Blasier MD Stacy Calloway MD Laura Meyer RN John Cale BS Katherine Travis NP University of Arkansas for Medical Sciences Little Rock AR 141 3 55 PM 3 59 PM Does Obesity Increase the Complication Rate in Spica Casting for Pediatric Femur Fractures Robin Wolschendorf Daniel Havlichek Meghan Hill BS Amil Jayasuriya Gerald Lilly BS Philip Nowicki MD Helen DeVos Children s Hospital Grand Rapids MI

Page 37

2019 ANNUAL MEETING SCIENTIFIC PROGRAM FRIDAY MAY 17 CONTINUED 142 4 00 PM 4 04 PM Achieving Consensus on the Treatment of Pediatric Femoral Shaft Fractures Matthew Oetgen MD Benjamin Martin MD Nicholas Fletcher MD Jeffrey Sawyer MD Children s National Health System Washington DC 4 05 PM 4 15 PM Discussion PERIOD 2B 4 15 PM 4 17 PM Pediatric Patients with Adult Trauma Treating the Tweener Cases Introduction and Presentation of the Femoral Tweener Case Mark Sinclair MD 4 30 PM 4 39 PM Case Follow Up Mark Sinclair MD 4 40 PM 4 42 PM Introduction and Presentation of the Tibial Tweener Case Mark Sinclair MD 4 43 PM 4 48 PM Treatment of Tibial Tweener Case with Rigid IM Nail Brian Brighton MD 4 49 PM 4 54 PM Treatment of Tibial Tweener Case with Physeal Sparring Technique Mark Lee MD 4 54 PM 4 56 PM Audience Vote Discussion 4 56 PM 5 00 PM Case Follow Up Mark Sinclair MD 4 17 PM 4 22 PM Treatment of Femoral Tweener Case with IM Fixation Eric Eisner MD 4 23 PM 4 28 PM Treatment of Femoral Tweener Case with Submuscular Plating Paul Sponseller MD 4 28 PM 4 30 PM Audience Vote Discussion Early Registation Deadline March 20 2019 Register Online Today at posna org 35

Page 38

2019 ANNUAL MEETING SCIENTIFIC PROGRAM SATURDAY MAY 18 8 00 AM 8 05 AM Welcome Remarks Upper Lower Extremity General Session Moderator John Jack Flynn MD eModerator Samantha Spencer MD Presider Christine Ho MD 143 8 06 AM 8 10 AM Prediction and Classification of Radial Head Subluxation and Forearm Deformity in MHE David Feldman MD Jaroslaw Deszczynski Troy Rand PhD Dror Paley MD FRCSC Tomasz Albrewczynski MD The Paley Institute West Palm Beach FL 144 8 11 AM 8 15 AM Patient reported Outcomes in Congenital Radioulnar Synostosis Does Forearm Position Matter Donald Bae MD Jennifer Kallini BS David Williams PhD Lindley Wall MD Julie Samora MD Mary Manske MD Suzanne Steinman MD Deborah Bohn MD Douglas Hutchinson MD Boston Children s Hospital Boston MA 145 8 16 AM 8 20 AM Predicting Radial Head Subluxation in Multiple Hereditary Exostoses MHE The Impact of Ulnar Variance Blake Meza BS Nakul Talathi BS Apurva Shah MD MBA Alexandre Arkader MD Children s Hospital of Philadelphia Philadelphia PA 8 21 AM 8 29 AM Discussion 146 8 30 AM 8 34 AM Cross Union for Congenital Pseudarthrosis of the Tibia 100 Union No Refractures Dror Paley MD FRCSC Anna Hell MD David Feldman MD Paley Orthopedic and Spine Institute West Palm Beach FL 147 8 35 AM 8 39 AM Ankle Deformity in Children with Congenital Pseudoarthrosis of the Fibula Carley Vuillermin MBBS Katherine Eisenberg BS Collin May MD James Kasser MD Boston Children s Hospital Boston MA 36 Early Registation Deadline March 20 2019 Register Online Today at posna org 148 8 40 AM 8 44 AM Gait Analysis in Children with Proximal Femoral Focal Deficiency Lorena Floccari MD Kelly Jeans MSc John Tony Herring MD Charles Johnston MD Lori Karol MD Texas Scottish Rite Hospital Dallas TX 8 45 AM 8 53 AM Discussion 149 8 54 AM 8 58 AM Systematic Isolation of Key Parameters for Estimating Skeletal Maturity on Knee Radiographs Alex Benedick MD Derrick Knapik MD Dana Duren PhD James Sanders MD Daniel Cooperman MD Raymond Liu MD Rainbow Babies and Children s Hospital Case Western Reserve University Cleveland OH 150 8 59 AM 9 03 AM Cumulative Radiation Exposure for Low Dose Slot Scanning Imaging EOS Versus Scanogram and Hip to Ankle Radiograph Anthony Stans MD Fady Baky Todd Milbrandt MD William Shaughnessy MD Beth Schueler A Noelle Larson MD Mayo Clinic Rochester MN 151 9 04 AM 9 08 AM How Accurate Is the Multiplier Method in Predicting the Timing of Angular Correction after Hemiepiphysiodesis John Herzenberg MD Hady Eltayeby MBChB Chukwuweike Gwam MD International Center for Limb Lengthening Sinai Hospital of Baltimore Baltimore MD 9 09 AM 9 17 AM Discussion Congenital Syndromes General Session Moderator Lori Karol MD eModerator Philip Nowicki MD Presider Klane White MD 152 9 18 AM 9 22 AM Radiographic Progression of Hip Disease in Morquio Syndrome Type A A Natural History Study Klane White MD Yi Ju Li MD Eveline Langereis MD I Jung Feng Seattle Children s Hospital Seattle WA

Page 39

2019 ANNUAL MEETING SCIENTIFIC PROGRAM SATURDAY MAY 18 CONTINUED 153 9 23 AM 9 27 AM Extremity Surgery in Achondroplasia A Multicenter Study Nickolas Nahm MD Michael Bober William Mackenzie MD Adekemi Alade MBBS MPH Syed Hashmi MD Jacqueline Hecht PhD Janet Legare MD Mary Little Peggy Modaff MD Richard Pauli David Rodriguez Buritica MD Elena Serna MD Cory Smid MD Julie Hoover Fong MD Nemours Alfred I duPont Hospital for Children Wilmington DE 154 9 28 AM 9 32 AM Ultrasound Guided Percutenous Bipolar Release of Sternocleidomastoid for Congenital Muscular Torticollis A Retrospective Study of 22 Cases Bibi Dhanan Taral Nagda MD Institute of Paediatric Orthopaedic Disorders Mumbai Maharashtra India 9 33 AM 9 41 AM Discussion 155 9 42 AM 9 46 AM Characteristics of Olecranon Fractures in Osteogenesis Imperfecta Samantha Tayne MD Peter Smith MD Shriners Hospitals for Children Chicago Chicago IL 156 9 47 AM 9 51 AM Femoral Fassier Duval Rodding in Osteogenesis Imperfecta Long Term Results in 27 Patients with a Minimum 10 Year Follow Up Francois Fassier MD Abdullah Addar MBBS Fan Jiang Yousef Marwan MD Nizar Algarni MD Kathleen Montpetit OT Reggie Hamdy MD Shriners Hospitals for Children Canada Montreal Quebec Canada 157 9 52 AM 9 56 AM Bone Density and Hardware Failure in Pediatrics Althea Perez Mallory Rowan Amanda Whitaker MD Nationwide Children s Hospital Columbus OH 9 57 AM 10 05 AM Discussion 10 06 AM 10 26 AM Break Early Registation Deadline March 20 2019 Register Online Today at posna org Hip General Session Moderator Ernest Sink MD eModerator Rachel Goldstein MD Presider Kishore Mulpuri MD 158 10 27 AM 10 31 AM Should I Plan to Open Predicting the Need for Open vs Closed Reduction in the Surgical Treatment of Developmental Dysplasia of the Hip Nakul Talathi BS Arianna Trionfo MD Neeraj Patel MD Vidyadhar Upasani MD Travis Matheney MD Kishore Mulpuri MBBS Wudbhav Woody Sankar MD Children s Hospital of Philadelphia Philadelphia PA 159 10 32 AM 10 36 AM Predictors of Avascular Necrosis of the Femoral Head Following Closed or Open Reduction in the Treatment of Developmental Dysplasia of the Hip Emily Schaeffer PhD Jeffrey Bone MSc Wudbhav Woody Sankar MD Travis Matheney MD Kishore Mulpuri MBBS BC Children s Hospital Vancouver BC Canada 160 10 37 AM 10 41 AM Evolution of Concentric Reduction after Closed Reduction in Developmental Dysplasia of the Hip A Prospective Series of Magnetic Resonance Imaging Studies Weizheng Zhou MD Lianyong Li Shenjing Hospital of China Medical University Shenyang Liaoning Province China People s Republic of 10 42 AM 10 50 AM Discussion 161 10 51 AM 10 55 AM The Natural History of Unilateral Versus Bilateral Immature Hips What are the Factors that Lead to Persistently Abnormal Exams Katherine Schroeder MD Ashley Startzman DO Kolby Buckner PA Hayley Peoples MPH Jaclyn Hill MD Texas Children s Hospital Houston TX 162 10 56 AM 11 00 AM Significance of Asymmetry of Groin Thigh Creases in Developmental Dysplasia of the Hip Revisited A Myth or a Fact Hakan Omeroglu MD Suleyman Tatlici MD Nusret Kose TOBB University of Economics and Technology Sogutozu Ankara Turkey 37

Page 40

2019 ANNUAL MEETING SCIENTIFIC PROGRAM 11 30 AM 11 38 AM Discussion 167 11 39 AM 11 43 AM Relative Contribution of Epiphyseal Tubercle and Peripheral Cupping to Capital Femoral Epiphysis Stability New Insights to the Pathogenesis of SCFE and Cam FAI Morphology Eduardo Novais MD Daniel Maranho Ata Kiapour PhD Ali Kiapour PhD Young Jo Kim MD PhD Boston Children s Hospital Boston MA SATURDAY MAY 18 CONTINUED 163 11 01 AM 11 05 AM The Duration of Pavlik Harness Wear Following Successful Reduction of Dislocated Hips Does Not Seem to Play a Role in Determining Radiographic Dysplasia at Two Years Daniel Sucato MD MS Hannah Worrall MPH Chan Hee Jo PhD Texas Scottish Rite Hospital Dallas TX 11 06 AM 11 14 AM Discussion 164 11 15 AM 11 19 AM Comparison of Staged Vs Single Event Timing of Bilateral Hip Surgery in Children with Spastic Quadriplegic Cerebral Palsy Craig Louer MD Jason Nunez BA James Bomar Henry Hank Chambers MD Vidyadhar Upasani MD Rady Children s Hospital San Diego San Diego CA 165 11 20 AM 11 24 AM Prolonged Non Weightbearing Treatment Decreases Femoral Head Deformity in Legg Calve Perthes Disease Jeffrey Peck MD Dustin Greenhill MD Molly McGuire Harry Kim MD Texas Scottish Rite Hospital for Children Dallas TX 166 11 25 AM 11 29 AM Does Surgical Containment of Hips in Patients with Epiphyseal Dysplasia Impact Clinical Outcomes Vidyadhar Upasani MD Amelia Lindgren MD Dennis Wenger MD James Bomar MPH Rady Children s Hospital San Diego San Diego CA 38 Early Registation Deadline March 20 2019 Register Online Today at posna org 168 11 44 AM 11 48 AM Comparison of Prophylactic In situ Screw Fixation Versus Observation of the Asymptomatic Contralateral Hip in Slipped Capital Femoral Epiphysis SCFE Brian Haus MD Lauren Agatstein MA Akash Patel BS Alton Skaggs BS Jennette Boakes MD Shriners Hospitals for Children Northern California Sacramento CA 169 11 49 AM 11 53 AM Capital Femoral Epiphyseal Cupping and Extension May Be Protective in Slipped Capital Femoral Epiphysis A Multicenter Matching Cohort Study William Morris MD Raymond Liu MD Danielle Marshall BA Daniel Maranho Roya Dastjerdi Eduardo Novais MD Boston Children s Hospital Boston MA 11 54 AM 12 04 PM Discussion

Page 41

2019 ANNUAL MEETING VIDEO ABSTRACTS Video Abstracts Video Abstract 1 Thumb Duplication Reconstruction of a Wassel IV Deformity David Westberry MD Ashley Carpenter BS Shriners Hospital for Children Greenville Greenville SC Video Abstract 2 Magnetic Motorized Femoral Lengthening Nail Antegrade Piriformis Insertion John Herzenberg MD Sinai Hospital of Baltimore Baltimore MD N E Wor 2019 f Video Abstract 3 Posterior Iliac Osteotomy for Bladder Exstrophy Dana Weiss MD Douglas Canning MD Erin Steffe Bernard David Horn MD The Children s Hospital of Philadelphia Philadelphia PA Video Abstract 9 Bracket Epiphysis Excision of the First Metatarsal Anthony Riccio MD Alexander Carduff BA Christopher Stutz MD Texas Scottish Rite Hospital for Children Dallas TX Video Abstract 4 Pediatric ACL Reconstruction Using 7 Stranded Autologous Hamstring Benjamin Forst PA C Anju Thomas PA Dennis Hiller Julien Aoyama BA Theodore Ganley MD The Children s Hospital of Philadelphia Philadelphia PA Video Abstract 10 Intrafocal Reduction for Closed Reduction and Percutaneous Pinning of Supracondylar Fracture of Humerus Taral Nagda MD SRCC NH Children Hospital Mumbai Maharastra India Video Abstract 5 Application of Mehta Cast Technique Joseph Khoury MD Jacob Cox MD Rafael Serrano MD Shriner s Hospital for Children Tampa FL Video Abstract 6 Accessory Navicular Evaluation and Operative Management Philip Nowicki MD Grant Mathison MD Helen DeVos Children s Hospital Pediatric Orthopaedics Grand Rapids MI Video Abstract 7 Percutaneous Calcaneal Displacement Osteotomy in the Pediatric Population Indranil Neel Kushare MD Jeffrey Shilt MD Texas Children s Hospital Houston TX Video Abstract 11 Percutaneous Osteotomy for Correction of Cubitus Varus using 3D Printed Jig Taral Nagda MD Ashima Choudhry Institute of Pediatric Orthopaedic Disorders Mumbai Maharastra India Video Abstract 12 Two Surgeon Approach to Posterior Spinal Fusion the Correction of Neuromuscular Scoliosis Taylor Webb MS Hamdi Sukkarieh MD Patrick Wright MD Jaysson Brooks MD Children s of Missisippi University of Mississippi Medical Center Jackson MS Video Abstract 8 Revision Anterior Cruciate Ligament Reconstruction with Quadriceps Tendon Autograft Anterolateral Ligament Reconstruction in a Pediatric Patient Julian Sonnenfeld MD David Trofa MD Joseph Lombardi MD Forrest Anderson MD Christopher Ahmad MD NYP Columbia University Medical Center New York NY Early Registation Deadline March 20 2019 Register Online Today at posna org 39

Page 42

2019 ANNUAL MEETING PAPER POSTERS Paper Posters Paper Poster 1 National Epidemiological Trends for Multiple Hereditary Exostosis Condition Among 44 Children s Hospital Divya Talwar MPH Mahmoud Abo Elmagd Alay Shah BS Alexandre Arkader MD The Children s Hospital of Philadelphia Philadelphia PA Paper Poster 2 Coronal Remodeling Potential of Pediatric Distal Radius Fractures Teresa Cappello MD Kyle Lynch BS Loyola University Medical Center Maywood IL Paper Poster 7 Are Precontoured Spinal Rods Mechanically Superior to Manually Contoured Rods Joshua Murphy MD Kenneth Shaw DO David Daniels Dennis Devito MD Dwight D Eisenhower Army Medical Center Fort Gordon GA Paper Poster 8 Casting for Early Onset Scoliosis Comparison of Three Different Materials Muayad Kadhim MD Perry Merillat DO William Accousti MD Bryant Song Andrew King MD Michael Heffernan MD Children s Hospital of New Orleans New Orleans LA Paper Poster 3 Comparative Effectiveness of Nonoperative Versus Operative Treatment for Completely Displaced Clavicle Shaft Fractures in Children Charles Mehlman DO Shital Parikh MD Jacqueline Kim Cincinnati Children s Hospital Medical Center Cincinnati OH Paper Poster 9 18 of Patients with MCGR Experience Minimal Lengthening Episodes and the Majority Successfully Lengthen on Subsequent Attempts Ali Siddiqui BS Alexander Nazareth MS Lindsay Andras MD Kenneth Illingworth MD Purnendu Gupta MD Michael Vitale MD MPH John Smith MD Growing Spine Study Group Children s Spine Study Group David Skaggs MD MMM Children s Hospital Los Angeles Los Angeles CA Paper Poster 4 Complications and Revision Surgeries in Limb Salvage Reconstructions for Pediatric Lower Extremity Sarcoma Colin Anderson MD Kristina Barber BA Patrick Carry MS Nathan Donaldson DO Children s Hospital Colorado Aurora CO Paper Poster 10 Distal Radius Fracture Treatment A Survey of POSNA Membership Andrew Georgiadis MD Jamie Burgess PhD Walter Truong MD Joseph Jay Janicki MD Gillette Children s Specialty Healthcare St Paul MN Paper Poster 5 Gross Motor Function Classification System Specific Growth Charts Utility as a Risk Stratification Tool for Surgical Site Infection Following Spine Surgery in Children with Cerebral Palsy Eric Baranek MD Stephen Maier BA Hiroko Matsumoto MA Joshua Hyman MD Michael Vitale MD MPH David Roye MD Benjamin Roye MD Columbia University Medical Center New York NY Paper Poster 11 Skeletal Maturity of Various Skeletal Regions and Staging Systems and their Relationship to Peak Growth Chronological Age and Growth in Height Spine and Lower Extremities James Sanders MD Xueya Cai PhD Shan Gao MS Raymond Liu MD Jonathan Cui MD Dana Duren PhD Mekka Garcia BS Alec Lik Hang Hung Lauren Karbach MD Derrick Knapik MD Don Li Allen Nicholson MD Brian Smith MD David Weber Daniel Cooperman MD University of Rochester Rochester NY Paper Poster 6 Effect of Intravenous Aminocaproic Acid on Blood Loss and Transfusion Requirements after Bilateral Varus Rotational Osteotomy A Prospective Double blinded Randomized Controlled Trial Ishaan Swarup MD Joseph Nguyen MPH Emily Dodwell MD David Scher MD Hospital for Special Surgery New York NY Paper Poster 12 Does Repetitive Torque Result in Morphological Changes of the Lateral Elbow of the Skeletally Immature Baseball Player A Prospective MRI Study William Harkin BA Andrew Pennock MD Tracey Bastrom MA Eric Edmonds MD Rady Children s Hospital San Diego CA Paper Poster 13 The Modified Kocher Criteria is Good Predictor of Both Septic Hip and Knee Casey Smith MD Jessica Burns MD Mohan Belthur MD Phoenix Children s Hospital Phoenix AZ 40 Early Registation Deadline March 20 2019 Register Online Today at posna org

Page 43

2019 ANNUAL MEETING PAPER POSTERS Paper Posters CONTINUED Paper Poster 14 Epiphyseal Entry Cannulated Screws for Temporary Guided Growth of the Knees Kevin Neal MD Gary Kiebzak PhD Cody Sanderson BS Nemours Jacksonville FL Paper Poster 15 Factors Affecting Femoral Remodeling after Proximal Femoral Varus Osteotomy in Children with Cerebral Palsy Pooya Hosseinzadeh MD Arya Minaie BA Jaclyn Schipper BA Elizabeth Forsen ST Saint Louis Children s Hospital Saint Louis MO Paper Poster 16 Risk Factors for Venous Thromboembolism in Children Undergoing Orthopaedic Surgery Elbert Mets BA Neil Pathak BS Anoop Galivanche BS Ryan Mclynn MD David Frumberg MD Jonathan Grauer MD Yale School of Medicine New Haven CT Paper Poster 17 Utility of Preoperative Labs in Posterior Spinal Fusions for Idiopathic Scoliosis Scott Luhmann MD Kevin Clark MPH Washington University School of Medicine Saint Louis MO Early Registation Deadline March 20 2019 Register Online Today at posna org Paper Poster 18 Minimally Invasive Surgery in Patients with Adolescent Idiopathic Scoliosis is Safer Less Expensive with Similar Curve Correction and SRS 30 Outcomes as Standard PSF Vishal Sarwahi MBBS Jesse Galina BS Stephen Wendolowski BS Sayyida Hasan BS Chhavi Katyal MD Yungtai Lo PhD Cohen Children s Medical Center New Hyde Park NY Paper Poster 19 Expert Consensus for Early Onset Scoliosis Surgery 2018 Jason Anari MD Patrick Cahill MD Divya Talwar MPH John Jack Flynn MD Children s Hospital of Philadelphia Philadelphia PA Paper Poster 20 Retrograde Intramedullary Nailing of Pediatric Femoral Shaft Fractures does not Result in Growth Arrest at the Distal Femoral Physis A Retrospective Case Series Alex Benedick MD Batzorig Bazar MD Lewis Zirkle MD Raymond Liu MD Rainbow Babies and Children s Hospital Case Western Reserve University Cleveland OH Courtesy of charlottesgotalot com 41

Page 44

2019 ANNUAL MEETING EPOSTERS ePosters ePoster 1 Correlation of Collagen X Biomarker CXM with Peak Height Velocity and Radiographic Measures of Growth in Idiopathic Scoliosis Michelle Welborn MD Susan Sienko PhD Ryan Coghlan William Horton MD Shriners Hospital for Children Portland Portland OR ePoster 2 Are Children Treated for ADHD at Risk for Short Stature A Physeal Mouse Model Todd Milbrandt MD Daniela Galeano Garces MD Catalina Garces BS Jennifer Grauberger BA A Noelle Larson MD Andre Van Wijnen Mayo Clinic Rochester MN ePoster 3 The Effects of Physiologic Loading on Juvenile Bone An Analysis of Primary Osteocytes using Next Generation Sequencing Donna Pacicca MD Tammy Brown BA Jeff Johnston BS Greyson Twist MS M Gibson MB Emily Farrow PhD Children s Mercy Hospital Kansas City MO ePoster 4 Convergent Validity of PODCI and PROMIS Domains in Congenital Upper Limb Anomalies Charles Goldfarb MD Carley Vuillermin MBBS Patricia Miller MS Donald Bae MD Lindley Wall MD Washington University Saint Louis MO ePoster 5 Radiologic Outcomes of Containment Surgery for Dysplastic Hips in Morquio IV A Syndrome Amit Nemade MS William Mackenzie MD Mihir Thacker MD Kenneth Rogers PhD Nemours Alfred I duPont Hospital for Children Wilmington DE ePoster 6 Initial Dimeglio Score Predicts Treatment Difficulty During Ponseti Casting for Isolated Clubfoot Christopher Brazell BA Patrick Carry MS Alexander Jones BA Robin Baschal Kaley Holmes BA Nancy Miller MD Gaia Georgopoulos MD Children s Hospital Colorado Aurora CO 42 Early Registation Deadline March 20 2019 Register Online Today at posna org ePoster 7 Autism and Toe walking Are They related Trends and Treatment Patterns from 2005 2016 Steven Frick MD Jacinta Leyden BS Lawrence Fung MD Stanford University Stanford CA ePoster 8 Patient Reported Outcome Measurement Information System PROMIS Scores in Children with Brachial Plexus Birth Injury Mary Manske MD Ido Volk Lauren Agatstein BA Nancy Abarca MPH Michelle James MD Shriners Hospital for Children Northern California Sacramento CA ePoster 9 Analysis of Femoral Head Microstructure and Vasculature Relevant to Legg Calve Perthes Disease William Morris MD Raymond Liu MD Elena Chen Harry Kim MD Texas Scottish Rite Hospital for Children Dallas TX ePoster 10 Developmental Dysplasia of the Hip Care Practices of Orthopaedic Surgeons in North America Jessica Burlile BA Isabel Taylor Kishore Mulpuri MBBS Xue Geng MS Emily Schaeffer PhD Eva Habib BS Lauren Vagelakos MBA Charles Price MD Kevin Shea MD Stanford University Stanford CA ePoster 11 Rate of Osteotomy Healing and Factors Associated with Non union after Periacetabular Osteotomy for the Treatment of Symptomatic Acetabular Dysplasia Courtney O Donnell MD Michael Millis MD Ariel Davila Parrilla MD Young Jo Kim MD PhD Kathryn Williams MS Eduardo Novais MD Boston Childrens Hospital Boston MA ePoster 12 The Effect of Aminocaproic Acid on Blood Loss in Periacetabular Osteotomy Jose Herrera Soto MD Gregory Hale MD Denise Lopez NP Obinna Adigweme MD Arnold Palmer Hospital for Children Orlando FL ePoster 13 The Effect of Screw Position in Slipped Capital Femoral Epiphysis Jillian Lee MBChB Tegan Cheng David Little MD MBBS FRACS PhD The Children s Hospital at Westmead Sydney New South Wales Australia

Page 45

2019 ANNUAL MEETING EPOSTERS ePosters CONTINUED ePoster 14 Outcomes for Patients with Developmental Hip Dysplasia who Present after Six Months of Age Ronald Roiz MD Liam Harris MD Paul Choi MD Rachel Goldstein MD Children s Hospital Los Angeles Los Angeles CA ePoster 15 Does the Use of an Intraoperative Cell Salvage System Affect the Rate of Perioperative Allogenic Red Blood Cell Transfusion in Patients Undergoing Periacetabular Osteotomy Michael Van Der Merwe MBChB Nicholas Lightfoot MBChB Jacob Munro MD Matthew Boyle FRACS Starship Children s Hospital Auckland New Zealand ePoster 16 Does Type of Regional Anesthetic Blockade Affect Time to Mobilize and Length of Hospital Stay after Periacetabular Osteotomy Isobella Henzell MBBS Nicholas Lightfoot MBChB Jacob Munro MD Matthew Boyle FRACS Starship Children s Hospital Auckland New Zealand ePoster 17 Corroborating the Association Between Major Comorbidities and Slipped Capital Femoral Epiphysis A Utilization of Big Data R Justin Mistovich MD Julian Gatta MD Lakshmanan Sivasundaram MD Nikunj Trivedi MD Abdulhakim Tlimat MD David Kaelber Case Western Reserve University Department of Orthopaedics Cleveland OH ePoster 18 Reliability and Outcome Predictability of Acetabular Index and Center edge Angle in Developmental Dysplasia of the Hip A Comparison of Two Different Measurement Methods Chang Ho Shin MD Chaemoon Lim Won Joon Yoo MD In Choi MD Tae Joon Cho Seoul National University Children s Hospital Seoul Korea Republic of ePoster 19 Effect of Pavlik Harness Treatment on Infant Motor Milestones Tyler Stavinoha Onyemaechi Uzosike BA Damian McGlothlin BA Nicole Segovia BS Stephanie Pun MD Meghan Imrie MD Stanford University Palo Alto CA Early Registation Deadline March 20 2019 Register Online Today at posna org ePoster 20 The Incidence of Residual Acetabular Dysplasia after Early Childhood Operative Intervention Courtney O Donnell MD Jenna Powell BS Patrick Carry MS Matthew Genelin Ernest Sink MD Children s Hospital Colorado Aurora CO ePoster 21 Contrast Enhanced Ultrasound of Infant Hips A Comparison with Post Operative MRI and Correlation with Development of Avascular Necrosis Travis Matheney MD Young Jo Kim MD PhD Benjamin Shore MD MPH FRCSC Harriet Paltiel MD Boston Children s Hospital Boston MA ePoster 22 Comparing the Pemberton Osteotomy and Modified San Diego Acetabuloplasty in Development Dysplasia of the Hip Raghav Badrinath MD James Bomar MPH Dennis Wenger MD Scott Mubarak MD Vidyadhar Upasani MD Rady Children s Hospital San Diego San Diego CA ePoster 23 The Incidence of Pin Tract Infections and Septic Arthritis in Percutaneous Distal Femur Pinning Rajan Murgai BS Edward Compton BS Kenneth Illingworth MD Rachel Goldstein MD Robert Kay MD Children s Hospital Los Angeles Los Angeles CA ePoster 24 Outcome of Surgical Excision in Patients with Fibro Adipose Vascular Anomaly Samantha Spencer MD Kemble Wang MD Rachel Glenn Megan Anderson MD Raja Shaikh MD Gulraiz Chaudry MBChB Steven Fishman MD Arin Greene MD Alyaa Al Ibraheemi MD Boston Children s Hospital Boston MA ePoster 25 A New Method to Objectively Differentiate Paediatric Septic Arthritis of the Hips from Transient Synovitis Using C reactive Protein and Hip Ultrasound Richie Olandres Wei Ren Daniel Seng MD Aruni Seneviratna Ehab Hamouda Bryan Foong Elvin Lokino Arjandas Mahadev FRCS KK Women s and Children s Hospital Singapore Singapore ePoster 26 Predicting Septic Arthritis of the Knee in Children Can We Use the Septic Hip Criteria in the Knee Mitchel Obey MD Arya Minaie BA Jaclyn Schipper BA Pooya Hosseinzadeh MD Washington University School of Medicine Saint Louis MO 43

Page 46

2019 ANNUAL MEETING EPOSTERS ePosters CONTINUED ePoster 27 Pain 4 Days is Predictive of Concomitant Osteomyelitis in Children with a Septic Joint Ali Siddiqui BS Lindsay Andras MD Kenneth Illingworth MD David Skaggs MD MMM Children s Hospital Los Angeles Los Angeles CA ePoster 28 Infection Trends After Open Fractures in Pediatric Patients A Study of Data Over 11 Years Derek Kelly MD Benjamin Sheffer MD Jeffrey Sawyer MD David Spence MD Robert Elrod Lauren Piana MS Naveen Pattisapu MD William Warner MD James Beaty MD Campbell Clinic Germantown TN ePoster 29 The Incidence of Skip Lesions in Acute Hematogenous Osteomyelitis Noelle Whyte MD Robert Bielski MD Kate Feinstein MD Olufemi Adams University of Chicago Chicago IL ePoster 30 Intravenous vs Oral Antibiotic Therapy for Treatment of Septic Arthritis in Children Gregory Manista MD Jamie Burgess PhD Nina Srdanovic MS Joseph Jay Janicki MD Ann Robert H Lurie Childrens Hospital Chicago IL ePoster 31 Procalcitonin for Early Detection of Septic Arthritis Brianna McMichael MPH Amanda Nickel MPH Jennifer Laine MD Walter Truong MD Anupam Kharbanda MD Children s Minnesota Minneapolis MN ePoster 32 Are Patients with Musculoskeletal Infection More Likely to Present After Hours A Prospective Cross sectional Study Jennifer Laine MD Amanda Nickel MPH Brianna McMichael MPH Walter Truong MD Anupam Kharbanda MD Children s Minnesota Minneapolis MN ePoster 33 Foot Abduction Orthosis Use Greater than 3 Years Correlates with Better Promis Scores for Children Ages 5 16 with Ponseti Treated Idiopathic Clubfoot Joel Lerman MD Ahsan Khan BS Nancy Abarca MPH Nina Cung Shriners Hospital Northern California Sacramento CA 44 Early Registation Deadline March 20 2019 Register Online Today at posna org ePoster 34 Factors Related to Outcomes after Single Event Multilevel Surgery SEMLS in Patients with Cerebral Palsy Mauro De Morais Filho PhD Francesco Blumetti MD Kamila Freitas MD Catia Kawamura PT Marcelo Fujino Daniella Neves Jose Augusto Lopes MSc AACD S o Paulo Brazil ePoster 35 The Value of Tranexamic Acid in Children with Cerebral Palsy Undergoing Proximal Femoral Varus Derotational Osteotomies Alexander Nazareth MS Stephen Shymon MD Lydia Andras Rachel Goldstein MD Robert Kay MD Children s Hospital Los Angeles Los Angeles CA ePoster 36 The Use of Tranexamic Acid TXA in Neuromuscular Hip Reconstruction Significant Transfusion Reduction or Fake News Benjamin Shore MD MPH FRCSC Laura Lins MPH Aneesh Samineni Patricia Miller MS Colyn Watkins MD Travis Matheney MD Brian Snyder MD PhD Boston Children s Hospital Boston MA ePoster 37 The Effect of Selective Dorsal Rhizotomy on Hip Displacement in Children with Cerebral Palsy A Long Term Follow Up Study Stacey Miller PT Maria Juricic PT Emily Schaeffer PhD Paul Steinbok Jeffrey Bone MSc Kishore Mulpuri MBBS BC Children s Hospital Vancouver BC Canada ePoster 38 Does Acetabular Dysplasia Improve after Isolated Femoral Varus Osteotomy in Children with Cerebral Palsy Pooya Hosseinzadeh MD Arya Minaie BA Jaclyn Schipper BA Elizabeth Forsen ST Saint Louis Children s Hospital Saint Louis MO ePoster 39 Incidence of Post Operative Venous Thromboembolism in Children with Cerebral Palsy Julieanne Sees DO Sky Prestowitz BA Kathleen Maguire MD Kenneth Rogers PhD Freeman Miller MD Nemours Alfred I duPont Hospital for Children Wilmington DE ePoster 40 Health state Utility Values in Cerebral Palsy Patients Following Deformity Surgery Are We Now Ready for Cost utility Analysis in this Patient Population Firoz Miyanji MD Luigi Nasto MD Michelle Marks PT Paul Sponseller MD Amer Samdani MD David Clements MD Unni Narayanan MBBS Peter Newton MD Harms Study Group BC Children s Hospital Vancouver BC Canada

Page 47

2019 ANNUAL MEETING EPOSTERS ePosters CONTINUED ePoster 41 Predictors of Hospital Length of Stay Following Neuromuscular Spinal Fusion Using a Postoperative Standardized Pathway Laura Bellaire MD Laura Ward Robert Bruce MD Eric Dilbone MD Nicholas Fletcher MD Children s Healthcare of Atlanta Atlanta GA ePoster 42 Eighty nine Percent of Opioids Prescribed for Outpatient Pediatric Surgery Go Unused De An Zhang MD Eric McCoy MD Ronen Sever MD Cynthia Nguyen MD Robert Cho MD Selina Poon MD Shriners for Children Medical Center Pasadena CA ePoster 43 Does a Career in Orthopaedic Surgery Affect a Woman s Fertility and Pregnancy Complication Rates Damayea Hargett MD Shannon Lorimer DO Cynthia Nguyen MD Samara Friedman MD Shari Cui MD Monica Payares MD Kimberly Tucker MD Holly Pilson MD Selina Poon MD Shriners for Children Medical Center Pasadena Pasadena CA ePoster 44 Cost of Interfacility Transfer for Non Urgent Fractures Ryan Mayer MD David Zuelzer MD Cale Jacobs PhD Ryan Muchow MD Janet Walker MD Vishwas Talwalkar MD Henry Iwinski MD Scott Riley MD Elizabeth Hubbard MD University of Kentucky Lexington KY ePoster 45 Safely Reducing Radiation Exposure and Costs for Non Operative Care of Clavicle Fractures in Pediatric and Adolescent Patients Brian Yang BA Benton Heyworth MD Donald Bae MD Boston Children s Hospital Boston MA ePoster 46 POSNA Practice Patterns for Pediatric Venous Thromboembolism Prophylaxis Current State and Changes Since 2011 Robert Murphy MD David Williams PhD Grant Hogue MD David Spence MD Henry Hank Chambers MD Benjamin Shore MD MPH FRCSC Medical University of South Carolina Charleston SC ePoster 47 PROMIS Scores in Surgically Treated Idiopathic Scoliosis Patients The Impact of Curve Characteristics Scott Luhmann MD Ernst Etienne Washington University School of Medicine Saint Louis MO Early Registation Deadline March 20 2019 Register Online Today at posna org ePoster 48 PROMIS Peer Relationship Domain as a Screening Tool for Socially At Risk Children in the Pediatric Orthopaedic Clinic Laura Bellaire MD Kristen Carroll MD Graham Fedorak MD Shriners Hospitals for Children Salt Lake City Salt Lake City UT ePoster 49 Team Oriented Multi Modal Postoperative Pain Control for Idiopathic Scoliosis Is Postoperative Day One Discharge Feasible Karen Myung MD Joseph Jacobson MD Jeffrey Yu BS Jian Ye MD Randall Loder MD Ryan Fitzgerald MD Senthil Sadhasivam MD Riley Hospital for Children at IU Health Indianapolis IN ePoster 50 Socioeconomic Factors Impact Adolescent Fracture Care Compliance Blake Meza BS Dina Iacone BS Divya Talwar MPH Wudbhav Woody Sankar MD Apurva Shah MD MBA Children s Hospital of Philadelphia Philadelphia PA ePoster 51 Virtual Reality and Bedside Entertainment and Relaxation Theater Usage in Non Invasive Pediatric Orthopaedic Procedures Evan Ball BS Alexander Karius Katherine Hastings MPH Damian McGlothlin BA Samuel Rodriguez MD Thomas Caruso MD Charles Chan MD Steven Frick MD Stanford University Palo Alto CA ePoster 52 Influence of Cost Information on Cast vs Splint Decision Making for Pediatric Distal Radius Buckle Fractures A Randomized Controlled Trial J Todd Lawrence MD PhD Matthew Buczek BS Elle Macalpine Bernard Horn MD Apurva Shah MD MBA Children s Hospital of Philadelphia Philadelphia PA ePoster 53 Accuracy of Emergency Department and Urgent Care Center Pediatric Orthopaedic Diagnoses Anna Schoonover BA Xuyang Song MD Alexandria Case BS Joshua Abzug MD University of Maryland School of Medicine Baltimore MD ePoster 54 Economic Impact of Wait Times in a Paediatric Orthopaedic Clinic Khristinn Leitch MD Canadian Centre of Orthopaedics North York Ontario Canada 45

Page 48

2019 ANNUAL MEETING EPOSTERS ePosters CONTINUED ePoster 55 Selective Thoracic Fusion in Adolescent Idiopathic Scoliosis Comparison of the Lower Instrumented Vertebrae Dale Segal MD Zachary Grabel MD Jeffrey Konopka MD Adam Boissonneault MBChB E Yoon Tracey Bastrom MA John Jack Flynn MD Nicholas Fletcher MD Emory University Atlanta GA ePoster 56 Preop Halo Gravity Traction HGT Associated with Decreased Implant Complications in MCGR Michelle Welborn MD Nikolas Baksh MD J Krajbich MD Shriners Hospital for Children Portland Portland OR ePoster 57 Back Pain Increases Linearly with Age in Children and Adolescents An Epidemiological Cross Sectional Study of American Youth Roger Widmann MD Jonathan Schachne BA Madison Heath BS Colleen Wixted BS Daniel Green MD Shevaun Doyle MD Peter Fabricant MD Hospital for Special Surgery New York NY ePoster 58 Comparison of Sublaminar Bands and All Pedicle Screw Instrumentation for the Correction of Lenke 1 and 2 Adolescent Idiopathic Scoliosis S bastien Pesenti MD Renaud Lafage Brice Henry MD Colleen Wixted BS Manon Bolzinger Han Jo Kim MD Tejbir Pannu MD Matthew Cunningham MD Elie Choufani Virginie Lafage PhD John Blanco MD Jean Luc Jouve Roger Widmann MD Hospital for Special Surgery New York NY ePoster 59 Gait Changes Induced by Idiopathic Scoliosis Mainly Occur in the Transversal Plane S bastien Pesenti MD Benjamin Blondel MD Jean Luc Jouve Timone Children s Hospital Marseille France ePoster 60 Sensitivity of MRI in Detection of Pediatric Spondylolysis Hena Joshi MD Joshua Murphy MD Dennis Devito MD Nicholas Fletcher MD Nadja Kadom MD Children s Healthcare of Atlanta Atlanta GA ePoster 61 Comparison of Pre operative Halo gravity Traction to Non traction in Patients Undergoing Surgery for Severe Scoliosis A Case control Study Thomas Wilson MD Laura Bellaire MD John Heflin MD Bruce MacWilliams Graham Fedorak MD University of Utah Salt Lake City UT 46 Early Registation Deadline March 20 2019 Register Online Today at posna org ePoster 62 Humeral Staging Stratifies Risk of Scoliosis Progression in Risser 0 Patients Don Li MS Jonathan Cui MD Stephen Devries BS Joseph Kahan MD Logan Petit MD Ronan Talty BS Daniel Cooperman MD Brian Smith MD Yale University New Haven CT ePoster 63 The Safety and Efficacy of Intrathecal Morphine in Pediatric Spinal Deformity Surgery A 25 Year Single Center Experience Christina Hardesty MD Connie Poe Kochert NP Jochen Son Hing MD George Thompson MD Jason Ina MD Paul Tripi MD Rainbow Babies and Children s Hospital Cleveland OH ePoster 64 Can Ultrasound be Used for Quantitative Assessment of Spinal Deformity in Adolescent Idiopathic Scoliosis AIS A Detailed Analysis with Radiography for 952 Patients Tsz Ping Lam MBBS Yi Shun Wong Ka Lee Lai Lee Ning Wong Yong Ping Zheng Alec Lik Hang Hung Bobby Ng MD Benjamin Yip Jack Cheng MD Chinese University of Hong Kong Hong Kong SAR Hong Kong ePoster 65 Comparing Risk of Unplanned Returned to the Operating Room UPROR Magnetically Controlled Growing Rod MCGR System vs Prosthetic Rib Constructs PRC Chun Wai Hung MD Megan Campbell BA Hiroko Matsumoto MA David Roye MD Michael Vitale MD MPH Benjamin Roye MD Columbia University Medical Center New York NY ePoster 66 Adolescent Idiopathic Scoliosis Psychological Implications of Pain in Pre Surgical Patients Brandon Ramo MD Teresa Collins Jones PhD Kiley Poppino BS Shelby Parker MA Dong Phuong Tran MS Texas Scottish Rite Hospital for Children Dallas TX ePoster 67 Factors Affecting MCGR Lengthening Outcomes in Early Onset Scoliosis Matthew Oetgen MD Shannon Kelly MD Leah Linfield Children s National Health System Washington DC ePoster 68 Back to Back Scoliosis Surgeries Is Patient Safety and Outcomes Compromised Vishal Sarwahi MBBS Jesse Galina BS Jon Paul DiMauro MD Stephen Wendolowski BS Sayyida Hasan BS Yungtai Lo PhD Terry Amaral MD Cohen Children s Medical Center New Hyde Park NY

Page 49

2019 ANNUAL MEETING EPOSTERS ePosters CONTINUED ePoster 69 The Demographics and Epidemiology of Idiopathic Scoliosis in Children and Incidence of Scoliosis in the U S Jeffrey Kessler MD Kevin Bondar Annie Tram Anh Nguyen Jasmine Vatani Kaiser Los Angeles Medical Center Los Angeles CA ePoster 70 Osteochondritis Dissecans of the Elbow in Adolescent Gymnasts Early Treatment Results and Return to Sport Katherine Eisenberg BS Kathryn Williams MS Donald Bae MD Boston Children s Hospital Boston MA ePoster 71 Fluoroscopy as Definitive Post Reduction Imaging of Pediatric Wrist and Forearm Fractures Is Safe and Saves Time Avi Goodman MD Devin Walsh MD Mark Zonfrillo MD Craig Eberson MD Aristides Cruz MD Hasbro Children s Hospital Brown University Providence RI ePoster 76 Point of Care Ultrasound in the Emergency Department may Provide more Accurate Diagnosis of Toddler Fractures than Radiographs A Pilot Study Sasha Carsen MD MBA FRCSC Meagan Doyle Kevin Smit MD Alan Shefrin Terry Varshney Children s Hospital of Eastern Ontario Ottawa Ontario Canada ePoster 72 Risk of Osteonecrosis and Complications After Delayed Treatment of Lateral Condyle Fractures Keith Orland MD William Carpenter MD Allison Spitzer MD Joshua Murphy MD Neeta Shenvi MS Nicholas Fletcher MD Childrens Healthcare of Atlanta Atlanta GA ePoster 77 Development and Content Validation of the Patient Reported Outcomes of Fracture Healing PROOF Questionnaires Unni Narayanan FRCSC Shikha Patel BS Roni Propp Mark Camp Anne Murphy NP Ashley Ferkul BA The Hospital for Sick Children Toronto Ontario Canada ePoster 73 Cozen s Phenomenon of the Proximal Tibia Does it Really Exist Brian Yang BA Benjamin Shore MD MPH FRCSC Emily Rademacher BS Collin May MD Colyn Watkins MD Michael Glotzbecker MD Boston Children s Hospital Boston MA ePoster 78 Complications Associated with Intramedullary Nailing of Femoral Shaft Fractures Are Adolescents Different than Adults Colyn Watkins MD Manasa Kadiyala Ryan Sanborn BA Laura Lins ATC Collin May MD Michael Glotzbecker MD Benjamin Shore MD MPH FRCSC Boston Children s Hospital Boston MA ePoster 74 Practice Patterns for Management of Pediatric Femur Fractures in Low and Middle income Countries Patrick Curran MD Patrick Albright MS Syed Ali John Ibrahim BA David Shearer MD Coleen Sabatini MD MPH Institute for Global Orthopaedics and Traumatology UCSF Department of Orthopaedic Surgery San Francisco CA ePoster 75 Driver Characteristics Involved in Child and Youth Pedestrian Motor vehicle Collisions PMVC A Case Control Study Andrew Howard MD Liraz Fridman Linda Rothman PhD Brent Hagel PhD Hospital for Sick Children Toronto Ontario Canada Early Registation Deadline March 20 2019 Register Online Today at posna org ePoster 79 Tibial Tuberosity Ossification Predicts Reoperation for Growth Disturbance in Distal Femoral Physeal Fractures Jim Kennedy FRCS Ortho Daniel Westacott Mark Camp MD Andrew Howard MD The Hospital for Sick Children Toronto Ontario Canada ePoster 80 Post Operative Pain Control and Medication Usage in Pediatric Patients Following Operative Treatment of Supracondylar Humerus Fractures Are We Still Overprescribing Opioids Matthew Stillwagon MD Shawn Feinstein MD Elizabeth Byrd Nichols Paul Andrews MS Anna Vergun MD University of North Carolina Chapel Hill Chapel Hill NC 47

Page 50

AWARDS 2018 RESEARCH GRANT AWARD WINNERS 2018 KUO MEMORIAL RESEARCH AWARD Brandon Ramo MD Health Related Quality of Life Outcomes in Patients with Early Onset Scoliosis 2018 POSNA BASIC SCIENCE RESEARCH GRANTS Jay Albright MD MS Prevention of Post Traumatic Osteoarthritis in an Animal Model with Post traumatic Injection of a Chondroprotective Agent 2018 HUENE MEMORIAL RESEARCH AWARD Raymond Liu MD Risk of Distal Femoral Physeal Arrest Following Intramedullary Rod Removal Fat Grafting Benjamin Roye MD Bracing for AIS What Makes the Difference Examining the Reciprocity of Quality Duration 2018 POSNA CLINICAL RESEARCH GRANTS 2018 ST GILES YOUNG INVESTIGATOR RESEARCH AWARD Anthony Cooper MD A Prospective Study to Assess Dynamic Deformation of the Femoral Head During Weight Bearing in Perthes Disease 2018 POSNA CLINICAL TRIALS RESEARCH GRANT Freeman Miller MD M Wade Shrader MD Hip Surveillance in Children with CP Developing POSNA Wide Consensus Daniel Sucato MD MS Functional and Gait Outcomes of Hip Preservation Surgery in Adolescents with Femoroacetabular Impingement Acetabular Dysplasia at 5 to 10 Year Follow up Lindsay Andras MD Prospective Randomized Study Comparing Functional Bracing vs Hip Spica Cast in Pediatric Femur Fractures 2018 POSNA START UP RESEARCH GRANTS David Cooperman MD Guiding Scoliosis Evaluation with a Humeral Head Ossification Algorithm 2018 POSNA REGISTRY GRANT Courtney O Donnell MD Utilization of Laser Doppler Flowmetry for Dynamic Assessment of Femoral Head perfusion to Predict the Osteonecrosis Rate Following Modified Dunn Procedure Harry Kim MD Prospective International Multi centered Registry of Legg Calve Perthes Disease Joshua Hyman MD Evaluating the Role of Patellar Realignment in Patients with CP 2018 POSNA DIRECTED RESEARCH GRANTS 2018 POSNA ZIMMER BIOMET SPINE RESEARCH GRANT Heather Kowalski MD The Design Validation of a Wire Navigation Simulator for Pediatric Supracondylar Humerus Fractures Pooya Hosseinzadeh MD Outcomes of Operative non operative Treatment of Displaced Proximal Humerus Fractures in Adolescents Prospective Multicenter Study 48 Early Registation Deadline March 20 2019 Register Online Today at posna org John Birch MD Determination of the Incidence Nature of Lumbosacropelvic Deformity in Presumed Idiopathic Scoliosis Using a Novel Technique of MR Sequence Workstation 3D Reconstruction

Page 51

THINGS TO DO CLOSING RECEPTION Location 400 E MLK Jr Blvd Charlotte Date May 17 2019 Time 7 30 PM 11 00 PM The Friday Closing Reception will be at the NASCAR Hall of Fame which is conveniently located in Uptown Charlotte across the street from the Convention Center The NASCAR Hall of Fame is an interactive entertainment attraction honoring the history and heritage of NASCAR The hightech venue designed to educate and entertain race fans and non fans alike through its artifacts hands on exhibits state of the art theater and the Hall of Honor The goal of the facility is to honor NASCAR icons and create an enduring tribute to the drivers crew members team owners and others that have impacted the sport in the past present and future Attire Dress for a day at the NASCAR track Casual attire including casual collared shirts tops jeans cotton dresses and baseball hats are encouraged Included with attendee registration Accompanying Persons must be registered to attend EXPLORE CHARLOTTE Welcome to the Queen City a Southern jewel whose one of a kind attractions and unique beauty shine brightly throughout the city From thrilling adventures to moving artistic performances to magnetic nightlife see what the Queen City has to offer Cuisine Charlotte s rich culinary spectrum spans inventive tapas international flavors Southern staples and more There are many restaurants in the Uptown area including but not limited to The Ashbury Mert s Heart and Soul Roosters Uptown and Stoke Outdoors Visit Romare Bearden Park which features two gardens plenty of dining areas and several waterfalls Or take a bike ride on the Rail Trail which is a 4 5 mile paved track that connects South End to Uptown True to its name this trail runs alongside the city s light rail system making it an easily accessible hot spot for bars restaurants and caf s If you plan to venture outside of the city the National Whitewater Center is a must visit The NWC is an outdoor recreation facility for whitewater rafting kayaking canoeing rock climbing mountain biking and hiking V isit Visit Charlotte Charlotte City Guide 101 Things to Do in Charlotte Charlotte Restaurant Map POSNA THURSDAY TOURS Date May 16 2019 Time 1 30 PM 5 00 PM Thursday afternoon will be free for attendees to enjoy and explore Charlotte as a part of POSNA s Physician Wellness initiative A variety of tours will be available for advance registration Please visit the Annual Meeting webpage for additional information on each tour including registration and cost POSNA is not responsible for any costs associated with the tours 49 Courtesy of charlottesgotalot com

POSNA AM19 Preliminary Program

Page 1

Page 2