Annual Meeting

Full Meeting Program


AOFAS Annual Meeting 2019
September 12-15, 2019
Hyatt Regency Chicago

Click on the links below to explore the schedule by program or date. 


Thursday, September 12

Friday, September 13

Saturday, September 14

Sunday, September 15

Schedule, faculty, and topics subject to change. All sessions held at the Hyatt Regency Chicago Hotel unless noted otherwise.
The AOFAS designates this live activity for a maximum of 24.0 AMA PRA Category 1 CreditsPhysicians should claim only the credit commensurate with the extent of their participation in the activity.
The Allied Health Practitioner Program on Thursday and Allied Health Symposium on Saturday offer a maximum of 8.0 CE credits for physical therapist participants. The Illinois Chapter Continuing Education Committee has certified that this course meets the criteria for approval of Continuing Education offerings established by The Illinois Physical Therapy Association.

Wednesday, September 11

5:00 – 8:00 pm


Pre-meeting Course

Thursday, September 12

6:00 am – 7:00 pm

6:00 – 7:00 am
Continental Breakfast

7:00 – 7:10 am
Welcome and Introduction


7:12 – 7:42 am 
Session 1: Hallux Rigidus
Moderator: Thomas H. Lee, MD

The Way It Was
A. Holly Johnson, MD

Experimentation with Osteotomies
Nelson F. SooHoo, MD

The Evolution of Fusion as a Solution
Kenneth J. Hunt, MD

Cheilectomy and Alternatives to Fusion
Gregory C. Berlet, MD

Anish R. Kadakia, MD



7:44 – 8:16 am
Session 2: Hallux Valgus
Moderator: Robert B. Adelaar, MD

The Way It Was
George B. Holmes, MD

Early Changes in Philosophy
Caio A. Nery, MD

How Far Can We Push a Chevron/Distal Osteotomy?
Thomas G. Harris, MD

Rotational Osteotomy
Emilio Wagner, MD

J. Kent Ellington, MD, MS



8:18 – 8:50 am
Session 3: Hindfoot Arthrodesis
Moderator: Steven D.K. Ross, MD

The Way It Was
Saul G. Trevino, MD

The Move From Autograft to Allograft
H. Thomas Temple, MD

Technique Evolution for Hindfoot Internal Fixation
Mark E. Easley, MD

Anand Vora, MD


8:52 – 9:24 am
Session 4: Ankle Arthrodesis
Moderator: Judith Baumhauer, MD, MS, MPH

The Way It Was
Harold B. Kitaoka, MD

Arthroscopic and Small Incision Technique
C. Thomas Haytmanek Jr., MD

Open Techniques: Anterior, Lateral, Posterior Technique with Plates
Christopher W. DiGiovanni, MD

The Downside of Ankle Fusion: Is There a Role for Takedown Arthroplasty?
W. Hodges Davis, MD

Paul T. Fortin, MD



9:26 – 9:43 am
Keynote 1

Christopher B. Hirose, MD

The Evolution of Foot and Ankle Surgery Over 50 Years
Lew C. Schon, MD


9:50 – 10:22 am
Session 5: Lesser Toes
Moderator: G. Andrew Murphy, MD

The Way It Was
Ronald W. Smith, MD

Hammertoes: Evolution of Treatment Past to Present
Sandra E. Klein, MD

Osteotomies to Realign Lesser Toes 
David I. Pedowitz, MD, MS

Plantar Plate: FTT to Plantar Plate Repairs
Michael J. Coughlin, MD

M. Truitt Cooper, MD



10:24 – 10:51 am
Session 6: Diabetes and Charcot Joint
Moderator: G. James Sammarco, MD

The Way It Was
James W. Brodsky, MD

Modern Advances in Surgical Management of Charcot
V. James Sammarco, MD

Michael S. Pinzur, MD



10:53 – 11:25 am
Session 7: Arthroscopy of the Foot and Ankle
Moderator: Robert B. Anderson, MD

The Way It Was
Thomas O. Clanton, MD

Arthroscopic Ankle Techniques
Richard D. Ferkel, MD

The Evolution of Treatment of OCDs of The Ankle
Norman E. Waldrop, MD

Arthroscopy of Other Foot Joints
Alastair S.E. Younger, MBChB, ChM, FRCSC

Eric Giza, MD



11:30 am – 1:00 pm
Lunch and Industry Symposia

1:00 – 1:30 pm
Keynote 2

Michael J. Coughlin, MD

Club Feet
Charles L. Saltzman, MD


1:32 – 2:04 pm
Session 8: Pes Planus
Moderator: Steven L. Haddad, MD

The Way It Was
Roger A. Mann, MD

Staging PTT and Indications for Treatment
Selene G. Parekh, MD

State of Art PTT Reconstruction
Scott J. Ellis, MD

Treatment of Stage 3 and 4 PTT Dysfunction
John G. Anderson, MD

Donald Bohay, MD, FACS



2:06 – 2:24 pm
Session 9: Achilles
Moderator: James Nunley, MD

Evolution of the Achilles Tendon Repair
Annunziato Amendola, MD

The Resurrection of Nonoperative Treatment
Andrea N. Veljkovic, MD, MPH, FRCSC

Carroll P. Jones, MD



2:26 – 2:58 pm
Session 10: Pes Cavus
Moderator: Jeffrey E. Johnson, MD

The Way It Was
Donald E. Baxter, MD

Structural Cavus: Evaluation and Treatment
Gregory P. Guyton, MD

Forefoot Issues With Cavus Foot: Evaluation and Treatment
Bryan D. Den Hartog, MD

Peroneal Tendon Dysfunction, Evaluation and Treatment
Rebecca A. Cerrato, MD

Christopher B. Hirose, MD



3:00 – 3:15 pm
Keynote 3

Patrick B. Ebeling, MD

Evolution of Internal Fixation in Trauma: A Real Change
Bruce J. Sangeorzan, MD

3:15 – 3:25 pm



3:25 – 3:50 pm
Session 11: Ankle Instability
Moderator: Glenn B. Pfeffer, MD

The Way It Was
Gordon Mackay, MD

Broström Repair
Yoshiharu Shimozono, MD

Anatomic Allograft Repair
Peter G. Mangone, MD

Brian C. Toolan, MD


3:52 – 4:22 pm
Session 12: Ankle Fractures and the Evolution of Treatment
Moderator: Jesse F. Doty, MD

The Way It Was
Timothy C. Fitzgibbons, MD

Fixing The Fibula: Techniques and Controversies
Mark J. Berkowitz, MD

Diagnosing and Fixing the Syndesmosis
Cesar de Cesar Netto, MD, PhD

Fixing the Posterior Malleolus
Eric M. Bluman, MD, PhD

Jesse F. Doty, MD


4:24 – 4:59 pm
Session 13: Total Ankle Arthroplasty
Moderator: Mark S. Myerson, MD

The Way It Was 
James K. DeOrio, MD

The Advent of TAR in America
Keith L. Wapner, MD

The Newer Two Piece Ankles
Constantine A. Demetracopoulos, MD

Salvage of Major Failures 
Yasuhito Tanaka, MD

Revisions, Failures, and Challenges For the Future
Timothy R. Daniels, MD, FRCSC

James R. Jastifer, MD


5:00 – 7:00 pm
Welcome Reception (Exhibit Hall)

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Resident Program
Thursday, September 12

6:00 am – 7:00 pm

7:00 – 7:30 am
Breakfast and Welcome


7:30 – 7:35 am
Welcome/Introduction to the Resident Program
Pamela C. Luk, MD


7:35 – 8:15 am
Resident Primer
Paul G. Talusan, MD


8:15 – 9:00 am
Foot and Ankle Trauma
Kelly K. Hynes, MD

9:00 – 9:15 am


9:15 – 10:00 am
Introduction to Orthotics and Prosthetics
Erick Janisse, CPed, CO


10:00 – 10:45 am
Physical Therapy for Foot and Ankle Disorders
Julie O' Connell, PT, DPT, OCS, ATC, CMTPT


10:45 – 11:30 am
Posterior Tibialis Tendon Dysfunction/Flatfoot Deformity
Niall A. Smyth, MD


11:30 am – noon

Noon – 1:30 pm
Lunch and Fellowship Fair


1:30 – 1:45 pm


1:45 – 1:50 pm
Welcome/Introduction to the Orthopaedic Resident Forum
Eric W. Tan, MD


1:50 – 3:50 pm
Roundtable Case Discussions (broken up by PGY)

Cavovarus Foot Reconstruction

Hallux Rigidus

Lisfranc Injury

Ankle Instability/OCD


3:50 – 4:30 pm
Informal Networking Time


4:30 pm


5:00 – 7:00 pm
Welcome Reception
(Exhibit Hall)


7:30 – 10:30 pm
Resident Scholars/Mentors Dinner (by invitation only)

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Go to day:  Friday  |  Saturday  |  Sunday

Allied Health Practitioner Program
Thursday, September 12

6:00 am – 7:00 pm

7:45 – 8:00 am
Welcome and Introduction
Moderator: Thomas M. Hearty MD, DPT

AOFAS Education Council: Team-based Education
William C. McGarvey, MD

American Physical Therapy Association Foot and Ankle Special Interest Group (APTA FASIG)
Christopher G. Neville, PT, PhD

Physician Assistants in Orthopaedic Surgery (PAOS)
James A. Sabetta, MPAS, PA-C


8:00 – 9:00 am
Session 1: The Foot and Ankle Exam
Moderator: James A. Sabetta, MPAS, PA-C

Anatomy and Biomechanics of the Foot and Ankle
Jennifer A. Zellers, DPT, PhD

The Foot and Ankle Exam
Thomas Hunt, PA-C

Case Discussion and Questions


9:00 – 10:00 am
Session 2: Returning to Sports/Recreation for the Active Person
Moderator: Christopher G. Neville, PT, PhD

Operative Management and Imaging
Casey Jo Humbyrd, MD

Non-operative Management: Achilles
Erik Martinez, PT, DPT, OCS, FAAOMPT

Non-operative Management: Ankle Sprain and Plantar Fasciitis
Robert Sigler, PT, DPT, OCS

Case Discussion and Questions


10:00 – 10:30 am
Break and Networking Time

10:30 – 11:45 am
Session 3: Trauma: Post Traumatic Return to Function
Moderator: Jeff Houck, PT, PhD

Operative Management and Imaging
Lauren E. Geaney, MD

Non-operative Management of Fractures
James A. Sabetta, MPAS, PA-C

Post-operative Management
Stephanie Albin, PT, DPT, PhD, OCS, FAAOMPT

Case Discussion and Questions


11:45 am – 1:00 pm
Lunch and Industry Symposium


1:00 – 2:00 pm


Hands-on Foot and Ankle Exam
Leaders: Craig Hensley, PT, DPT, OCS, FAAOMPT, and Alison Chang, PT, DPT, MS


2:00 – 2:30 pm

Christopher G. Neville, PT, PhD

The Compression Wrapping Program: Post-operative Care After Foot and Ankle Reconstruction
CarolLynn Meyers, PT


2:30 – 3:30 pm
Session 4: Degeneration: Managing the Older Patient
Moderator: Frank DiLiberto, PT, PhD, OCS, FAAOMPT

Operative Management and Imaging
Cesar de Cesar Netto, MD, PhD

Non-operative Management: Arthritis and Posterior Tibial Tendon Dysfunction
Craig P. Hensley, PT, DPT, OCS, FAAOMPT; Alison Chang, PT, DPT, MS

3:30 – 3:45 pm
Break and Networking Time

3:45 – 4:30 pm
Session 5: Forefoot

Operative Management and Imaging
Paul G. Talusan, MD

Forefoot Ulcer Management
Mary K. Hastings, PT, DPT, ATC

Discussion and Questions


4:30 pm

5:00 – 7:00 pm
Welcome Reception
(Exhibit Hall)

Combined with the Allied Health Symposium on Saturday, this program offers a maximum of 8.0 CE credits for physical therapist participants. The Illinois Chapter Continuing Education Committee has certified that this course meets the criteria for approval of Continuing Education offerings established by The Illinois Physical Therapy Association.
Register Now

Go to day:  Friday  |  Saturday  |  Sunday

Scientific Session

Friday, September 13

6:00 am – 5:00 pm

6:00 am – 3:00 pm
Exhibit Hall Open

6:00 – 7:00 am
Breakfast in the Exhibit Hall

6:55 – 7:05 am
Welcome and Introduction
Steven L. Haddad, MD, Program Chair


7:05 – 8:00 am
Symposium 1: Deceptions in Hindfoot Surgery: Missed Opportunities
Moderator: Charles L. Saltzman, MD

The Dissatisfied Triple: Secondary Collapse or Overcompensation
Steven L. Haddad, MD

The Dissatisfied Flatfoot Reconstruction: Overcorrection or Over Achievement?
Jonathan T. Deland, MD

The Dissatisfied Cavovarus Correction: Underpowered or Lack of Vision
Paul T. Fortin, MD



8:00 – 9:00 am


Session 1A: Basic Science (Session Room)
Moderators: Harold B. Kitaoka, MD, and Joao de Carvalho Neto, MD

Tarsal Morphology Differs in Plano Valgus Feet
Erik S. Moore, MD; Matthew W. Kindig, MSc; Daniel A. McKearney; Scott Telfer, PhD; Bruce J. Sangeorzan, MD; William R. Ledoux, PhD

Incidental Findings on Foot and Ankle Radiographs as Compared to Other Anatomic Regions
Brian Velasco, BA; Michael Ye, BSc; Bonnie Chien, MD; John Y. Kwon, MD; Christopher P. Miller, MD, MHS

Is Load Application Necessary When Using CT Scans to Diagnose Syndesmotic Injuries? A Cadaver Study
Alexej Barg, MD; Maxwell W. Weinberg, BS; Nathan P. Davidson, BS; Beat Hintermann, MD; Charles L. Saltzman, MD; Nicola Krähenbühl, MD


Effect of Ankle Position During Anterior Talofibular Ligament Reconstruction on Ankle Kinematics, Laxity, and In-situ Force
Yuzuru Sakakibara, MD; Atsushi Teramoto, MD; Hiroaki Shoji, MD; Tonmoaki Kamiya, MD; Kota Wantanabe, MD; Toshihiko Yamashita, MD, PhD

Evaluation of the Diagnostic Value of SPECT/CT in Defining Foot and Ankle Pathologies
Ippokratis Pountos, MD, MSc; Christel Charpail; Nazzar Tellisi, MSc, MBChB, FRCS(Tr&Orth)

High Patient Catastrophizing Score Predicts Poor Outcome in the Complex Foot and Ankle Patient
Oliver Gagné, MD; Andrea N. Veljkovic, MD, MPH, FRCSC; Lindsay Anderson, MD, MBBS, MPH, FRACS; Michael Symes; Kaniza Zahra Abbas; Murray J. Penner, MD, FRCSC; Kevin Wing, MD, FRCSC; Alastair S.E. Younger, MBChB, ChM, FRCSC, Khalid Syed; Johnny T.C. Lau, MD, MSc

Fulfillment of Expectations After Orthopaedic Foot and Ankle Surgery: An Analysis of 271 Patients with 2-year Follow-up
Jensen K. Henry, MD; Andrew Roney, BA; Amelia Hummel, BA; Elizabeth Cody, MD; Scott J. Ellis, MD



Session 1B: Bunions and Forefoot (Grand Ballroom A)
Moderators: Ruth L. Thomas, MD, and John T. Campbell, MD

Three-Dimensional Weightbearing Assessment of the First Ray in Hallux Valgus: A Case-control Study
Francois Lintz, MD, FEBOT; Alessio Bernasconi, MD; Celine Fernando, MSc, PhD; Matthew Welck, MD; Cesar de Cesar Netto, MD, PhD

Redefining the Juvenile Bunion
Caitlin Hardin; Claire Shivers; Chan-Hee Jo; Anthony Riccio; Jacob R. Zide, MD

The Hallux Metatarsophalangeal Capsule: An Anatomic Study with Respect to Percutaneous Hallux Valgus Correction
Kenneth M. Chin, MD; Nicholas S. Richardson, MD; John T. Campbell, MD; Clifford L. Jeng, MD; Matthew W. Christian, MD; Rebecca A. Cerrato, MD


Long-term Outcomes and Alignment Following Isolated Fibular Sesamoidectomy
Samuel E. Ford, MD; Christopher R. Adair, MD; Bruce E. Cohen, MD; W. Hodges Davis, MD; J. Kent Ellington, MD; Carroll P. Jones, MD; Robert B. Anderson, MD

Long-term Follow-up of Cheilectomy for Treatment of Hallux Rigidus
Eliezer Sidon, MD; Ryan Rogero, BS; Timothy Bell, BS; Elizabeth McDonald, BA; Daniel Fuchs, MD; Rachel J. Shakked, MD; Joseph N. Daniel, DO; David I. Pedowitz, MD, MS; Steven M. Raikin, MD

Consumer Prices for Surgical Management of End-stage Hallux Rigidus
Niall A. Smyth, MD; Vishnavi Krishnan; Johnathon R. McCormick, BS; Jonathan R.M. Kaplan, MD; Amiethab A. Aiyer, MD

High Prevalence of Degenerative Changes at the Metatarsal Head Sesamoid Articulation Found During Hallux Valgus Correction Surgery
Justin Tsai, MD; Joseph N. Daniel, MD; Elizabeth McDonald, MD; Ryan Rogero, BS; Kristen Nicholson, PhD; Rachel J. Shakked, MD; David I. Pedowitz, MD, MS; Steven M. Raikin, MD



9:00 – 9:45 am
Keynote Speaker: Rebecca D. Costa

Rebecca Costa is a sociobiologist, futurist, and author of the international bestseller The Watchman's Rattle: A Radical New Theory of Collapse. Her recent book, On the Verge, looks at advances in Big Data, genomics, and other technologies that have made it possible to predict and adapt to the future.


9:45 – 10:30 am
Break in the Exhibit Hall


10:30 – 11:30 am
Symposium 2: Forefoot
Moderator: Caio A. Nery, MD

Kenneth A. Johnson Symposium on Controversies in Foot and Ankle Surgery

Is There a Rotational Component to Metatarsus Primus Varus?
Cristian A. Ortiz, MD
Kenneth A. Johnson International Speaker

Ligament Reconstruction of the Second Metatarsophalangeal Joint: Why Did Tendon Transfers Die?
G. Andrew Murphy, MD

Making MIS Bunion Correction Predictable: MISsed Opportunity?
Rebecca A. Cerrato, MD


11:30 am – 1:00 pm

Lunch and Industry Symposia


1:00 – 1:30 pm
Presidential Guest Speaker: Richard Kent, PhD

Over the course of his 20-year career, Dr. Kent has published more than 200 articles on the biomechanics of injury and the design and assessment of injury prevention countermeasures. Dr. Kent's background as an international expert in automotive crash injury prevention has informed the NFL's research to improve assessment tools for sports injury protection equipment.


1:30 – 2:30 pm
Symposium 3: Sports Without the Slick
Moderator: Thomas O. Clanton, MD

Deltoid Sprain, Chronic Medial Ankle Pain: Not a Good Rhyme
Robert B. Anderson, MD

Navicular Stress Fractures: If You Can Diagnose It, You Can Treat It
Martin J. O'Malley, MD

Return to Play in the Modern Sports Setting: Tips in Making the Call
Norman E. Waldrop, MD

Discussion and Cases


2:30 – 3:30 pm


Paper Session 2A: Sports (Session Room)
Moderators: Simon Lee, MD, and Hong Geun Jung, MD, PhD

Anatomical Structures at Risk in Proximal Fifth Metatarsal Fracture Fixation: A Cadaver Study
Leonardo Vinicius de Matos Moraes, MD; Kelly C. Stéfani, MD, PhD; James T. McMurtrie, MD; Haley M. McKissack, BS; Jianguang Peng, MD; Gean C. Viner, MD; Jun Kit He, BA; Tyler P. Montgomery, BS; Ashish B. Shah, MD

Early versus Delayed Mobilization Postoperative Protocols for Primary Lateral Ankle Ligament Repair: A Systematic Review and Meta-analysis
Matthew L. Vopat, MD; Armin Tarakemeh, BA; Brandon Morris, MD; Maaz Hassan, BS; Pat Garvin, BA; Rosalee Zackula, MA; Scott Mullen, MD; Paul Schroeppel, MD; Bryan G. Vopat, MD

Surgical Management of Chronic Exertional Compartment Syndrome of the Lower Extremity: Outcome Analysis and Return to Sport
John J. Mangan, MD, MHA; Ryan Rogero, BS; Daniel J. Fuchs, MD; Steven M. Raikin, MD


Return to Sport at 5-year Follow-up After Non-operative Treatment of Acute Achilles Tendon Rupture
Fabian Krause, MD; Andreas Schwinghammer; Till Lerch; Timo Schmid; Timo Ecker; Florian Schmaranzer; Martin Weber

The Evolving Approach to Treating Syndesmotic Injuries in the Elite Athlete: An International Perspective
Kenneth J. Hunt, MD; Shanthan C. Challa, BS; Pieter D’Hooge, MD; Pam Kumparatana, MSW, MPH; Phinit Phisitkul, MD; Jeremy J. McCormick, MD; Annunziato Amendola, MD

Does Physical Therapy Produce Value for Postoperative and/or Non-operative Foot and Ankle Patients?
Jeff Houck, PT, PhD; Christopher Neville, PT, PhD; Vasalos Kostantinos, DPT; Chad Codidorio, DPT; Kathleen Fear, PhD; Judith F. Baumhauer, MD, MPH

Reproducibility and Reliability of Dynamic Ultrasound for Evaluating Tibiofibular Translation in the Sagittal Plane
Noortje C. Hagemeijer, MD; Song Ho Chang, MD, PhD; Jirawat Saengsin, MD; Gregory Waryasz, MD; Gino M.M.J. Kerkhoffs, MD; Christopher W. DiGiovanni, MD; Daniel Guss, MD, MBA



Paper Session 2B: Osteochondral Lesions of the Talus (Grand Ballroom A)
Moderator: Eric Giza, MD

Talar Osteo-periostic Grafting from the Iliac Crest (TOPIC): 1-year Results of a New Press-fit Surgical Treatment for Large Talar Osteochondral Defects
Gino M.M.J. Kerkhoffs, MD; Sjoerd A. Stufkens, MD, PhD; Jari Dahmen, BSc, BSc(Med); J. Nienke Altink

Osteochondral Lesions of the Talus: Few Patients Require Surgery
Seung-Hwan Park; Sang Gyo Seo, MD, MS; Ho Seong Lee, MD

Osteochondral Lesions of the Talus: A Biomechanical Explanation for Larger OLT Shoulder Lesions Leading to Increased Patient Risk
Peter J. Lawson; Pam Kumparatana, MSW, MPH; T.H. Baldini; Shanthan C. Challa, BS; Daniel K. Moon, MD, MBA; Kenneth J. Hunt, MD


Open Lift, Drill, Fill and Fix (LDFF) for Talar OCDs: 2- to 4-year Results in 16 Patients
J. Nienke Altink; Kaj T.A. Lambers, MD; Jari Dahmen, BSc, BSc(Med); Sjoerd A. Stufkens, MD, PhD; Gino M.M.J. Kerkhoffs, MD

13-year Follow-up of Treatment of Osteochondral Lesions with MACI
Christopher D. Kreulen, MD, MS; Trevor Shelton, MD, MS; Jacqueline Nguyen, MD; Eric Giza, MD; Martin Sullivan, MD

Retrograde Drilling for Osteochondral Lesion of the Talar Dome in Juvenile Patients
Yasunari Ikuta; Tomoyuki Nakasa, MD; Yusuke Tsuyuguchi, MD; Yuki Ota, MD; Munekazu Kanemitsu, MD; Nobuo Adachi, MD

A Cadaveric Load Analysis of the Supramalleolar Osteotomy in the Setting of an Osteochondral Pseudolesion: Quantifying Chondral Off-loading
Joseph Tracey, MSc, BSc(Med); Richard Gilsson, BS; Gregorio Verschae, MD; Emilio Wagner, MD; Christopher Gross, MD; Mark E. Easley, MD



3:30 - 4:15 pm
Symposium 4: Where Is Weight Bearing CT Taking Us?: An Open Discussion
Moderator: Cesar de Cesar Netto, MD, PhD

The Science Behind the Scans
Alexej Barg, MD

Case Discussion Panel: How Does WBCT Change Opinions on Pathology and Biomechanics?
Alexej Barg, MD; Martinus Richter, MD, PhD; Scott J. Ellis, MD


4:15 - 5:15 pm
Posters with the Presidents (Exhibit Hall)


5:00 – 6:30 pm
Foundation Reception (Plaza Ballroom) (by invitation only)


6:00 – 7:30 pm
Women's Leadership Reception (West Tower - Crystal Ballroom C) (by invitation only)

7:30 – 9:30 pm
Hermes Society Reception
(by invitation only)

Register Now

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Saturday, September 14

7:00 am – 5:00 pm


7:00 am – 1:30 pm

Exhibit Hall Open

6:30 – 8:00 am

Industry Symposia

7:00 – 8:00 am

Breakfast in the Exhibit Hall


8:00 – 9:00 am
Symposium 5: Trauma to the Foot and Ankle
Moderator: David B. Thordarson, MD

I've Got a Crush on You: Rebuilding the Smashed Midfoot
Kelly C. Stéfani, MD, PhD

Tibial Pilon Fractures: How Has Management Changed Since the AO Changed the World
Jesse F. Doty, MD

Calcaneal Fracture Incision Decision: Does All the Marketing Really Make a Difference?
Kaan S. Irgit, MD



9:00 – 9:30 am
Research Speaker: James G. Wright, MD, MPH, FRCSC, FRCSEd

Dr. Wright is a pediatric orthopaedic surgeon and scientist well known for his work to advance evidence-based orthopaedics. Currently he is an adjunct senior scientist at the Hospital for Sick Children (SickKids) Research Institute in Toronto, Canada, and chief of economics, policy, and research at the Ontario Medical Association.

9:30 – 10:15 am
Break in the Exhibit Hall


10:15 – 11:15 am


Paper Session 3A: Basic Science (Session Room)
Moderators: Todd A. Irwin, MD, and Gabriel E. Khazen, MD

Syndesmotic Behavior After Sequential Sectioning: Simulation of Ligamentous Ankle Injuries in vitro
Robin P. Blom, MD; Kaj S. Emanuel, PhD; Markus Knupp, MD, PhD; Inger N. Sierevelt, MSc; Gino M.M.J. Kerkhoffs, MD, PhD; Sjoerd A. Stufkens, MD, PhD

A Novel Intraoperative Technique Seeding Morselized Bone Tissue into Pediatric Blood Culture Bottles Improves Microbiological Diagnosis in Patients with Foot and Ankle Osteomyelitis
Gerardo Ledermann; Ianiv Klaber; Julio Urrutia; Pablo Mery Ponce, MD

Disclosures Undisclosed
Brandon Stein, MD; Cory F. Janney, MD; Kiya Shazedeh Safavi, BS; Greg Schneider, BS; Daniel Jupiter, PhD; Vinod Panchbhavi, MD


Prevalence and Safety of Left-footed Driving in Right Foot Surgery Patients: A Retrospective Survey and Driving Simulation Study
Haley M. McKissack, BSc; Yvonne E. Chodaba, MD; Tyler R. Bell, PhD; Eva J. Lehtonen, BSc; Ibukunoluwa B. Araoye, MS; Ashish B. Shah, MD; Despina Stavrinos, PhD; Michael D. Johnson, MD

Single-nucleotide Polymorphisms in the P2x7 Reception Gene Are Associated with Bone Mineral Density and Ankle Fractures
Kelly C. Stéfani, MD, PhD; Tulio Diniz Fernandes, MD, PhD

Müller Weiss Disease: Radiological Evaluation and Proposed Treatment Algorithm
Raymond McKenna; John Wong-Chung, MD, FRCSI, MCh; Adam Tucker

Postoperative Aspirin Use and Its Effect on Bone Healing in the Treatment of Ankle Fractures
Ashish B. Shah, MD; Allison Hunter, MD; Charles Pitts, MD; Tyler Montgomery, BS; Matthew Anderson, BS; John T. Wilson, BS; Katherine Buddemeyer; Gerald McGwin Jr.; Michael Johnson, MD


Paper Session 3B: Trauma (Grand Ballroom A)
Moderators: Brian M. Weatherford, MD, and Mario Kuhn Adames, MD

Primary Arthrodesis Compared with Open Reduction and Internal Fixation for Lisfranc Injuries with the First Tarsometatarsal Joint Dislocation: A Randomized Controlled Trial
Ming-Zhu Zhang, MD, PhD; Guang-rong Yu, MD

Bilateral Sander IV Calcaneus Fractures: Primary Fusion or Fixation?
Rajiv Shah, MS(Orth)

Risk Factors for Recurrent Syndesmotic Instability After Syndesmotic Screw Fixation in Rotational Ankle Fractures
Sung Hyun Lee, MD; Hoiyoung Kwon; Seong-Wom Kim


How Should We Evaluate Syndesmosis Reduction on CT Scan?
Mohamed Abdelaziz, MD, MSc; Noortje Hagemeijer, MD; Daniel Guss, MD, MBA; Ahmed El-Hawary, MD; Hani El-Mowafi, MD; Christopher W. DiGiovanni, MD

Acute Retrograde Tibiotalocalcaneal Nailing for Osteoporotic Ankle Fractures in Fragile Patients
Mario Herrera-Perez, MD; Sergio Tejero-Garcia; Victor Valderrabano, MD, PhD

Immediate Improvement in Physical Function After Symptomatic Syndesmotic Screw Removal
Jessica M. Kohring, MD; Judith F. Baumhauer, MD, MPH; A. Samuel Flemister, MD; Irvin Oh, MD; Benedict F. DiGiovanni, MD; John P. Ketz, MD

Are Orthopaedic Surgeons Being Adequately Compensated for Ankle Fractures?: An Analysis of Relative Value Units (RVUs)
Azeem Tariq Malik, MBBS; Safdar N. Khan, MD; Laura Pheiffer, MD; Thuan V. Ly, MD; Carmen E. Quatman, MD, PhD



11:15 am – 12:05 pm
Presidential Remarks and Award Presentations

12:05 – 12:20 pm
Business Meeting

12:20 – 1:30 pm
Lunch in the Exhibit Hall


1:30 – 2:30 pm
Symposium 6: How I Changed the World of Foot and Ankle... Well, Maybe Not
Moderator: Jeffrey E. Johnson, MD

The Incompetent/Torn Deltoid Has to Be Repaired
Beat Hintermann, MD

Why It Doesn't Work
Victor Valderrabano, MD, PhD

Vascularized Bone Grafting in Foot and Ankle Surgery: A New Paradigm for an Old Problem
James A. Nunley, MD

Why It Doesn't Work
Robert D. Santrock, MD

My Classification System for Diabetic Charcot Disease
James W. Brodsky, MD

Why It Doesn't Work
Christian T. Royer, MD

What Did We Learn?
Jeffrey E. Johnson, MD

2:30 – 3:30 pm


Paper Session 4A: Opioids and Their Counterparts (Session Room)
Moderators: Patrick B. Ebeling, MD, and Richard de Asla, MD

Opioid Consumption Patterns and the Risk of Prolonged Opioid Use Among Opioid-naïve Patients Following Ankle Fracture Surgery
Hope Skibicki, DO; Sundeep Saini, DO; Ryan Rogero, BS; Kristen Nicholson, PhD; Rachel J. Shakked, MD; Daniel Fuchs, MD; Brian S. Winters, MD; Steven M. Raikin, MD; David I. Pedowitz, MD, MS; Joseph N. Daniel, DO

Opioid Use, Perioperative Risks, and Associated Postoperative Complications in Foot and Ankle Surgery
Ryan M. Ridenour, MD; Christopher Kowalski, MD; Djibril Ba; Guodong Liu, DPhil; Jesse Bible, MD; Matthew Garner; Douglas Leslie, PhD; Tom Lloyd; Michael C. Aynardi, MD; Aman Dhawan, MD

Randomized Study of the Effect of Initial Ropivacaine Dosage During Continuous Popliteal Nerve Blocks on Rebound Pain in Foot and Ankle Surgery
Ryan Rogero, BS; Elizabeth McDonald, BA; Steven M. Raikin, MD; Daniel Fuchs, MD; Rachel J. Shakked, MD; Armen Voskeridjian, MD


Opioid Consumption and Time to Return to Work After Percutaneous Foot and Ankle Surgery
Jimmy J. Chan, MD; Javier Z. Guzman, MD; Kevin K. Chen; Jesse C. Chan; Ettore Vulcano, MD

Opioid Consumption Following Outpatient Foot and Ankle Surgery: A Prospective Analysis
Erick M. Heiman, BS; Kevin Wu, BS; Alexander J. Idarraga, BA; Daniel D. Bohl, MD, MPH; Johnny Lin, MD; George B. Holmes, MD; Simo Lee, MD; Kamran S. Hamid, MD, MPH

Ideal Anatomic Location for Saphenous Nerve Block for Foot and Ankle Surgeries: A Prospective Randomized Clinical Evaluation
Karl Henrikson, MD; Sanjib Adhikary; Gregory Pace, MD; Wai Liu; Paul Juliano, MD; Umur Aydogan, MD

Patient Reported Opioid Consumption Following Outpatient Foot and Ankle Surgery
Samuel F. Thompson, MD; Zackary P. Burrow, MD; Scott H. Conant, MD; Samantha P. Kelly, BS; Evan S. Fene, BS; Ryan W. Morrisett, BS; Amgad M. Haleem, MD, PhD



Paper Session 4B: Outcomes (Grand Ballroom A)
Moderator: Joseph S. Park, MD, and Ross A. Benthien, MD, MPH

Vigilance: An Unmeasured Patient-centered Outcome for Ankle Reconstruction
Ellie Pinsker, PhD(c); Joanna E.M. Sale, PhD; Monique A.M. Gignac, PhD; Timothy R. Daniels, MD, FRCSC; Dorcas E. Beaton, PhD

Correlation of Health Insurance Provider to Orthopedic Patient Reported Outcome Measures
Jeremy T. Smith, MD; Abdurrahman Abdurrob

Tracking Patient Outcomes Following Foot and Ankle Surgery: The OFAR Experience 2018-2019
Kenneth J. Hunt, MD; Ross A. Benthien, MD, MPH; Judith F. Baumhauer, MD, MPH; Christopher W. DiGiovanni, MD; Shanthan C. Challa, BS; Daniel Guss, MD, MBA; Scott Karr, MD; L. Daniel Latt, MD, PhD; Daniel K. Moon, MD, MBA; The OFAR Network


PROMIS Patient Reported Pain Outcomes Compared with Numerical Pain Score Before and After Ankle Surgery
Andrew Haskell, MD; Todd Kim, MD

Comparison of Visual Analog Pain Score Reported to Physician vs. Nurse in Postoperative Foot and Ankle Patients
Trevor McBride; Kevin D. Martin, DO; Aaron Joseph Wilke; Jamie Chishold, MBA

Assessing Elite Athletes Using PROMIS Tools: The STEALTH Project (Student Athlete Health Assessment)
Shanthan C. Challa, BS; Eric Lakey, BS; Kenneth S. Smith, MD; Marissa Holliday; Jonah Vest; C. Gattas; Kenneth J. Hunt, MD

Patient Related Outcome Measures (PROMs) in Morton's Neuroma: Conservative vs. Surgical Management at One-year Follow-up
Alastair Faulkner; Alistair Mayne; Fraser Harrold, MD



3:30 – 5:00 pm


Coding and Practice Management Symposium (Session Room)
Moderator: John A. DiPreta, MD

Foot and Ankle Coding Updates
John A. DiPreta, MD

Use of Midlevel Providers in Your Practice
Aaron J. Guyer, MD; David I. Pedowitz, MD

Ultrasound Guided Injections and the Use of Modifier 25
Jorge I. Acevedo, MD

E/M Coding Updates
Peter G. Mangone, MD


Research Forum (Grand Ballroom A)
Moderator: Harold B. Kitaoka, MD
Co-Moderator: Jason T. Bariteau, MD

How to Make a Discipline More Evidence Based
James G. Wright, MD, MPH, FRCSC, FRCSEd

Using Research Findings in Clinical Practice

Harold B. Kitaoka, MD

Measuring Physical Function in Orthopaedics
Samuel B. Adams, MD

Evaluating the Outcome of Treatment
Ellie Pinsker, PhD(c)

Clinical Trials in Orthopaedic Research
Judith F. Baumhauer, MD, MPH

Relationship Between Declared Funding Support and Level of Evidence
Sandra E. Klein, MD

Introducing Innovative Procedures and Devices into Clinical Practice
Timothy R. Daniels, MD, FRCSC

Interview with a Renowned Innovator
Mark S. Myerson, MD


Allied Health Symposium (Grand Ballroom B)
Moderator: Thomas M. Hearty, MD, DPT

Diabetes and Foot Strength
Mary K. Hastings, PT, DPT, ATC; Jennifer A. Zellers, DPT, PhD

Total Ankle Replacement: Does Rehab Help?
Frank DiLiberto, PT, PhD, OCS, FAAOMPT

Running Barefoot: Really?
Erik Martinez, PT, DPT, OCS, FAAOMPT; Robert Sigler, PT, DPT, OCS

Stephanie Albin, PT, DPT, PhD, OCS, FAAOMPT


Humanitarian Service Symposium (Grand Suite 5)
Moderator: J. Turner Vosseller, MD

Should I Stay or Should I Go? The Changing World of Medical Missions: How to Have the Greatest Impact
Eric C. Gokcen, MD

20 Years of the AOFAS in Vietnam
Naomi N. Shields, MD

Vietnam 2019 Trip Highlights
Angel Arnaud, MD

The Future of AOFAS Humanitarian Work
J. Turner Vosseller, MD



6:30 – 9:30 pm
Celebrate Chicago Event (Museum of Science and Industry)


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Sunday, September 15

7:00 am – noon

7:00 – 8:00 am
Continental Breakfast

8:00 – 9:15 am
Symposium 8: Total Ankle Arthroplasty
Moderator: Christopher W. DiGiovanni, MD

Can the Center of Rotation of the Ankle Joint Be Replicated in Total Ankle Arthroplasty?
Murray J. Penner, MD, FRCSC

Osteolysis: Why So Soon? (And… Does Bone Grafting Work?)
Andrew J. Goldberg, MD, MBBS, FRCS(Tr&Orth)

Why Isn't There One Method or Algorithm to Predictably Correct Deformity?
William C. McGarvey, MD



9:15 – 10:00 am
Symposium 9: Defending Your Life: The Debate
Moderator: Thomas H. Lee, MD

MIS (Minimal Incision Surgeons) vs. MIS (Maximal Incision Surgeons) Smackdown

  • Is there really a role for MIS in anything but the most simple cases?

  • And, what is the real accuracy of alignment post surgical with either camp?


Steven D. Steinlauf, MD
Jorge I. Acevedo, MD
Peter G. Mangone, MD



Jeremy J. McCormick, MD
Mark S. Myerson, MD
Donald R. Bohay, MD, FACS


10:00 – 11:00 am


Paper Session 5A: Total Ankle Arthroplasty (Session Room)
Moderators: Alastair S.E. Younger, MBChB, ChM, FRCSC, and Mark P. Slovenkai, MD

The Outcomes of Bone Grafting of Peri-prosthetic Total Ankle Osteolytic Lesions: A Meta-analysis
Karim Mahmoud, MD; Abduljabbar Alhammoud, MD; Sreenivasulu Metikala, MD; Kathryn O’Connor, MD; Daniel C. Farber, MD

Role of Total Ankle Arthroplasty in Stiff Ankles: Long-term Follow-Up
James W. Brodsky, MD; Justin M. Kane, MD; Andrew W. Pao, MD; David D. Vier, MD; Scott Coleman; Yahya Daoud, PhD

Lateral versus Anterior TAR: A Prospective Cohort Pilot Study of PROs and Reoperation Rates
Oliver Gagné, MD; Andrea N. Veljkovic, MD, MPH, FRCSC; Kevin Wing, MD, FRCSC; Murray J. Penner, MD, FRCSC; Alastair S.E. Younger, MBChB, ChM, FRCSC


Peri-prosthetic Cysts and Alignment in Total Ankle Replacement: A 3D, Weight Bearing Topographical Study
Francois Lintz, MD, FEBOT; Jef Mast, MD; Nazim Mehdi, MD; Alessio Bernasconi, MD; Cesar de Cesar Netto, MD, PhD; Celine Fernando, MSc, PhD; Kristian Beudts, MD

Imaging of Bone Perfusion and Metabolism in Subjects Undergoing Total Ankle Arthroplasty Using 18F-Positron Emission Tomography
Jonathan H. Garfinkel, MD; Jonathan P. Dyke, PhD; Lauren Volpert, BA; Austin Sanders, BA; Meghan Newcomer, OPA-C; Carolyn M. Sofka, MD; Scott J. Ellis, MD; Constantine A. Demetracopoulos, MD

Total Ankle Arthroplasty: Is Ankle Plantarflexion Strength Important?
Frank E. DiLiberto, PT, PhD; Steven L. Haddad, MD; Daniel H. Aslan, MS; Anand M. Vora, MD

Influence of Depressive Symptoms on Clinical Outcomes of Total Ankle Arthroplasty
Tae Yong Kim, MD; Jungtae Ahn, MD; Bi O Jeong, MD, PhD


Paper Session 5B: Big and Little: Hindfoot and Arthroscopy (Grand Ballroom A)
Moderator: Kenneth J. Hunt, MD, and Natalio Cuchacovich Mikenberg, MD

Mobility Limitation Is Greater After Surgery for Degenerative Pathology of the Ankle, Hindfoot, and Midfoot than Total Hip Arthroplasty
Gregory Kurkis, MD; Amalie Erwood, BS; Samuel D. Maidman, BA; Thomas L. Bradbury; Shay A. Tenenbaum, MD; Jason T. Bariteau, MD

Three-dimensional Displacement After a Medializing Calcaneal Osteotomy in Relation to the Hindfoot Alignment and Osteotomy Angle
Matthias Peiffer; C Belvedere; S Clockaerts; T Leenders; Alexej Barg, MD; Cesar de Cesar Netto, MD, PhD; Francois Lintz, MD, FEBOT; Martinus Richter, MD, PhD; A Leardini; Arne Burssens, MD

The Association Between a Hindfoot Deformity Assessed by Weightbearing CT and the Full Leg Alignment
Arne Burssens, MD; Kristian Buedts, MD; Alexej Barg, MD; Elizabeth Vluggen; Patrick Demey; Charles L. Saltzman, MD; Jan Victor, MD


Pes Cavus and Hindfoot Varus Alignment Are Associated with Increased Rates of Peroneal Tendon Pathology
Michelle Coleman, MD, PhD; Hibba Aziz, MD; Lorenzo Deveza, MD, PhD; Hallie Bradley, MD; Rowland Pettit, BS; Sarah Bahouth, MD; Jason Ahuero, MD; Andrew Palisch, MD; William Granberry, MD

Posterior Ankle and Hindfoot Arthroscopy: Complications and Posterior Ankle Impingement Pathologies
Karthikeyan Chinnakkannu, MBBS, MS(Orth); John E. Femino, MD; Natalie Glass, PhD; Phinit Phisitkul, MD; Annunziato Amendola, MD

The Interosseous Talocalcaneal Ligament Injury Findings in Lateral Ankle Instability with Sinus Tarsi Pain
Hong-Geun Jung, MD, PhD; Jong-won Lee; Won Tae Song

Outcomes of Isolated Peroneal Tendoscopy for Treatment of Peroneal Tendon Disorders
Jeremy T. Smith, MD; Abdurrahman Abdurrob; Adam Sangeorzan, MD; Seth O'Donnell, MD; Eric M. Bluman, MD, PhD


11:00 am – noon
Symposium 10: Aren't You Glad You Stayed Until the End?: Tips and Tricks in Foot and Ankle Surgery
Moderators: Steven L. Haddad, MD, and J. Chris Coetzee, MD

How to Transform a Chronic Achilles Tendon Rupture Into an Acute One
Emilio Wagner, MD

Stabilizing the Peroneal Tendons: The Thick/Thin Junction and Inverted Steeple Osteotomy
Christopher P. Chiodo, MD

Step Cut Osteotomy with Metal Wedges
Keith L. Wapner, MD

A Simple Technique for Retrograde Bone Grafting of Talar Dome Cysts
Matthew P.W. Tomlinson, MBChB, FRCS(Orth)

The Perfect Cheilectomy Cut and Arthrodesis Angle
Michael M. Stephens, MD, MSc, FRCSI

Top Tips for Tightropes
Heath P. Taylor, MBBS, FRCS(Tr&Orth)

Technique Modification for Lateral Ligament Stabilization in Varus TAR
William C. McGarvey, MD

Calcaneus Malunion: Correction of Deformity and Distraction Subtalar Arthrodesis with Metal Spacer
Christopher D. Kreulen, MD, MS

Total Joint Replacement for End-stage Hallux Rigidus
Steven B. Weinfeld, MD

Hybrid Fixation for Charcot TTC Fusion
W. Hodges Davis, MD


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