Annual Meeting

VIRTUAL Meeting Program


AOFAS Annual Meeting 2022
September 15-17, 2022

AOFAS President: Christopher W. DiGiovanni, MD
Program Chairs: Daniel Guss, MD, MBA, and Casey J. Humbyrd, MD, MBE
Pre-Meeting Chairs: MaCalus V. Hogan, MD, MBA, and Kenneth J. Hunt, MD


The schedule below is for people attending Annual Meeting VIRTUALLY. If you plan to attend Annual Meeting in Québec City, please see the In-Person Program page.

Click on the links below to explore the virtual schedule. 

Live Streamed Sessions

On-Demand Only Sessions


Research Paper Sessions and the Practice Management Forum will not be live streamed. These sessions will be recorded and available approximately one week after the meeting for on-demand viewing. Virtual attendees may earn CME credit for both live streamed sessions and on-demand education. 

Wednesday sessions (the Pre-Meeting Course, Resident Program, and Allied Health Practitioner Program) are not open to virtual attendees.


Schedule, faculty, and topics subject to change.
The American Orthopaedic Foot & Ankle Society (AOFAS) is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education (CME) for physicians. AOFAS designates the live Scientific Session for a maximum of 11.5 AMA PRA Category 1 Credits and the enduring material OnDemand Sessions for a maximum of 15.0 AMA PRA Category 1 Credits. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Participants are required to submit a completed evaluation form at the end of the course in order to receive CME credit.

Live Streamed Sessions

Thursday, September 15

7:30 – 7:35 am Eastern Time (UTC-4)
Welcome and Introduction
Casey J. Humbyrd, MD, MBE, and Daniel Guss, MD, MBA, Program Chair


7:35 – 8:35 am Eastern Time (UTC-4)
Symposium 1: Ankle Arthritis: It's Complicated
Moderator: William C. McGarvey, MD, and Mark E. Easley, MD

Patient-centered Care: What's Your Speech, TAR vs. Fusion?
Bruce J. Sangeorzan, MD

Working Up the Painful Total Ankle: Loose, Infected, or Can It "Just Hurt"?
Constantine A. Demetracopoulos, MD

Osteolysis After TAR
Steven L. Haddad, MD

Are We Ready for the Tsunami of Revision TAR?
Anish R. Kadakia, MD

When to Revise, When to Fuse, When to Amputate
Mark E. Easley, MD


Support for this session is provided by an educational grant from Vilex.


8:35 – 9:35 am Eastern Time (UTC-4)
Symposium 2: Trauma
Moderators: Thomas G. Harris, MD, and Justin K. Greisberg, MD

Blast Injuries in Foot and Ankle
Sarah K. Stewart, PhD

Jones Fractures: Heal Without Steel?
Kelly K. Hynes, MD

Diagnosing and Treating the Syndesmosis: Not Everyone Has a WBCT or O-arm
Sheldon S. Lin, MD

Calcaneus Fractures in the 21st Century
John Y. Kwon, MD

Lisfranc: Who Shouldn't You Fuse?
J. Chris Coetzee, MD

Support for this session is provided by an educational grant from Extremity Medical.


9:35 – 10:05 am Eastern Time (UTC-4)
Keynote Speaker: Ken Read
Leadership Under Pressure

Ken Read is one of the world’s most accomplished and celebrated sailors. He is a two-time America's Cup skipper and holds 51 World, North American, and National Championships. In addition, he is the president of the North Sails Group, one of sailing's most prestigious brands, as well as a commentator for the America's Cup global broadcast and an ambassador for competitive sailing.


10:05 am – 2:25 pm Eastern Time (UTC-4)

Stay tuned during the break for special "behind-the-scenes" content and interviews, exclusively for virtual meeting attendees!


2:25 – 3:25 pm Eastern Time (UTC-4)
Symposium 3: Progressive Collapsing Foot Deformity
Moderator: Christopher P. Chiodo, MD, and Selene G. Parekh, MD

When to Fuse a Flexible Deformity?
Keith L. Wapner, MD

Should We Abandon Lateral Column Lengthening?
Irvin Oh, MD

I've Got a Mallet, Screwdriver, and Saw: What Do New Technologies Teach Us About Treating PCFD?
John S. Early, MD

The Talonavicular Joint Is Fine, but the Foot Is Still Flat (The "Other" Joints)
Jeffrey E. Johnson, MD

Driving a Wedge Between Us: Structural Allograft, Trabecular Metal, Structural Autograft?
David B. Thordarson, MD


Support for this session is provided by an educational grant from Zimmer Biomet.


3:25 – 4:25 pm Eastern Time (UTC-4)
Symposium 4: What Does the Science Say (or Fail to Say) About Caring for Female Patients? (Women's Leadership Forum)
Moderator: Pamela C. Luk, MD

Hormones and Their Impact on the MSK System
Lauren E. Geaney, MD
Career Development Award Recipient

AOFAS: Challenges, Successes, and PROMIS for the Future
Lousanne "Zan" Lofgren
Career Impact Award Recipient

Care of Female Athletes
Carol C. Frey, MD

Outcome Database Can Teach Us About Care of Women DJD
Alastair S.E. Younger, MBChB


Support for the Women's Leadership Awards is provided by Treace Medical Concepts, Inc.


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Go to day: Friday  |  Saturday 

Friday, September 16

7:30 – 8:30 am Eastern Time (UTC-4)
Symposium 5: Sports Foot and Ankle
Moderators: Thomas O. Clanton, MD, and Wen Chao, MD

I No Longer Use Malleolar Osteotomies for Talar OCDs
Lew C. Schon, MD

Achilles: The Patient Was Managed Non-op and Now They Are Weak…
Christopher W. DiGiovanni, MD

Lateral Ankle Instability: Native, Allograft, Synthetic?
James D.F. Calder, MD, PhD

The Symptomatic Sesamoids: Convince Me Why I Shouldn’t Hate Them
Kenneth J. Hunt, MD

Shoulder Lesions of the Talus: Drill, Plug, Bone Graft and Cartilage, or #@#$?
Samuel B. Adams, MD



8:30 – 10:00 am Eastern Time (UTC-4)
Symposium 6: Kenneth A. Johnson Symposium on Controversies in Foot and Ankle Surgery and British Orthopaedic Foot & Ankle Society Guest Nation Symposium
Moderator: Callum I.M. Clark, MB BChir, MSFEM(UK)

Kenneth Johnson International Speaker: James D.F. Calder, MD, PhD
Can Science or a Hogwarts Sorting Hat Cut Through Conflicting Data to Settle What's Best for Athletes Following Achilles Tendon Rupture?

Dr. James Calder is a founding member of the United Kingdom-based Fortius Clinic, the largest group of private sports physicians in Europe. He has built a reputation for treating foot and ankle injuries in top international athletes, including soccer players from the English Premier League and European clubs, professional rugby players, and the British Olympic team.


What Should We Research? The JLA Approach
Jitendra Mangwani, MBBS, MS(Orth)

Ankle Fractures: Fix from the Back?
Lyndon W. Mason, MRCS

Can Anyone Do TAR?
Paul J. Halliwell, MD

Non-metallic 1st MTPJ Implants: Old Better Than New?
Timothy Clough, MD

Diabetic Feet: Whose Problem?
Fred Robinson, BSc



10:00 – 10:30 am Eastern Time (UTC-4)
Research Speaker: Donald D. Anderson, PhD
Upping Our Game in Foot and Ankle Research

Dr. Donald Anderson is the Richard and Jan Johnston Chair in Orthopedic Biomechanics and the Vice Chair of Research, Orthopaedics and Rehabilitation at the University of Iowa Carver College of Medicine. Dr. Anderson's research focuses on the computational modeling of articular joint mechanics, particularly in the context of post-traumatic osteoarthritis risk after joint injury.


10:30 am – 2:00 pm Eastern Time (UTC-4)

Stay tuned during the break for special "behind-the-scenes" content and interviews, exclusively for virtual meeting attendees!


2:05 – 3:05 pm Eastern Time (UTC-4)
Symposium 7: Research Forum
Moderator: Judith F. Baumhauer, MD, MS, MPH

High-Quality Evidence in Arthritis
Timothy R. Daniels, MD

Sponsored and Investigator-Initiated Studies in Ankle 
Mark A. Glazebrook, MD, PhD, MSc

Utility of WBCT in Ankle Arthritis
Adolph S. Flemister, MD

Pathomechanics of Ankle OA
Donald D. Anderson, PhD



3:10 – 3:55 pm Eastern Time (UTC-4)
Foundation Update and Awards


3:55 – 4:45 pm Eastern Time (UTC-4)
Presidential Remarks and Award Presentations


4:45 – 5:45 pm Eastern Time (UTC-4)
Symposium 8: Unequal Treatments, Unequal Outcomes: What Comes After "Admitting There's a Problem?" (Diversity, Equity & Inclusion Forum)
Moderators: Gary W. Stewart, MD, and Jacqueline K. Nguyen, MD

Diversity, Equity & Inclusion Speaker: Tara Houska
Diversity in Nature Means Healthy Ecosystems, Healthy Humans

Tara Houska is a citizen of Couchiching First Nation, tribal attorney, land defender, and environmental and Indigenous rights advocate. She is the founder of the Giniw Collective, an Indigenous women, two-spirit-led frontline resistance to defend the sacred and live in balance, and co-founder of Not Your Mascots, a non-profit committed to promoting positive representation of Native Americans in the public sphere.


Support for this symposium is provided by Stryker.


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Go to day: Thursday  |  Saturday 

Saturday, September 17

7:00 – 8:00 am Eastern Time (UTC-4)

Symposium 9: MIS: It's Not Just About Bunions
Moderators: Gregory P. Guyton, MD, and Erroll J. Bailey, MD

When Small Incisions Actually Matter: MIS for Charcot
Roslyn J. Miller, MD

The Incisions Are Small, but the Nonunions Are Just As Big (and Other Complications)
Victor Dubois Ferriere, MD

Achilles Tendinopathy
Christopher P. Miller, MD

Fusions and Joint Preparation
Rebecca A. Cerrato, MD

Moving Past the Hallux: Talk to Me About the Lesser Toes
Emilio Wagner, MD


8:00 – 9:00 am Eastern Time (UTC-4)

Symposium 10: Burnout and What AOFAS Can Do to Help
Moderator: Tonya L. Dixon, MD, MPH

Thinking Beyond Burnout: How to Empower Yourself and Influence Your Environment
Alan M. Friedman, MA

Karen Weiner, MD

The AOFAS Resources You Should Be Using
Elaine M. Leighton, MPH, CAE


9:00 am Eastern Time (UTC-4)
Virtual Program Adjourns

Stay tuned after the program for special "behind-the-scenes" content and interviews, exclusively for virtual meeting attendees!


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Go to day: Thursday  |  Friday 

On-Demand Only Sessions


Paper Session 1A: Ankle Arthritis
Moderators: Loretta B. Chou, MD, and Johnny T.C. Lau, MD, MSc

Does Severe Ankle Deformity Affect the Outcomes of a 4th Generation Total Ankle Prosthesis? A 2-year Follow-up
Christopher E. Gross, MD; David A. Friscia, MD; Jesse F. Doty, MD; Anand M. Vora, MD; Nicholas L. Strasser, MD

Stress Shielding and Aseptic Loosening in Fully Porous-Coated Versus Smooth Stemmed Tibial Implants in Total Ankle Arthroplasty
Cody J. Togher; Jacob M. Perkins; John M. Thompson; Christopher F. Hyer, DPM; Gregory C. Berlet, MD

Risk Factors for Early Mechanical Failure and Revision in Modern Total Ankle Replacements
Jensen K. Henry, MD; Lavan Rajan, BA; Robert Fuller; Jiaqi Zhu, MS; Elizabeth Cody, MD; Scott J. Ellis, MD; Jonathan T. Deland, MD; Constantine A. Demetracopoulos, MD

Trends and Utilization of Ankle Arthroplasty versus Arthrodesis in the State of New York, 2009-2018
Peter G. Brodeur, BS; Jacob M. Modest; Devin F. Walsh; Davis A. Hartnett, MD; Joseph A. Gil, MD; Aristides Cruz; Raymond Y. Hsu, MD

Comparison of the Clinical Outcomes and Complications of Simultaneous versus Staged Bilateral Total Ankle Arthroplasty: A Single-Center Comparative Cohort Study
Amanda N. Fletcher, MD, MS; Lindsey G. Johnson, MBA; Mark E. Easley, MD; James A. Nunley II, MD; James K. DeOrio, MD



Paper Session 1B: Reconstruction
Moderators: James R. Holmes, MD, and Bruce E. Cohen, MD

The Use of SPECT-CT to Define Treatment for Müller-Weiss Disease: A Prospective Radiographic and Clinical Study
Chengyi Sun, MS; Shuyuan Li, MD, PhD; Mingjie Zhu, DAOM, MPH; Mark S. Myerson, MD; Ming-Zhu Zhang, MD, PhD

Long-Term Follow-up of Hindfoot and Ankle Arthrodesis Procedures Supplemented with an Autologous Bone Graft Alternative (rhPDGF)
Mark A. Glazebrook, MD, MSc, PhD; Judith F. Baumhauer, MD, MS, MPH; Alastair S.E. Younger, MB ChB, ChM, FRCSC; Timothy R. Daniels, MD, FRCSC; Ashley Knight, PhD; David Fitch; Christopher W. DiGiovanni, MD

The Role of the Transverse Arch in Progressive Collapsing Foot Deformity (PCFD): A Retrospective Case Control Study
Eli Schmidt; Ki Chun Kim, MD; Kepler Carvalho, MD; Kevin N. Dibbern, PhD; Chris Cychosz, MD; Nacime S.B. Mansur, MD; Samuel Braza; Matthieu Lalevée, MD; Cesar de Cesar Netto, MD, PhD

Anatomical and Radiological Description of the Spring Ligament Articular Facet (SLAF)
Lyndon W. Mason, MB BCh, MRCS(Eng), FRCS(TR&Orth), FRCS(Glasg); Sarang P. Kasture; Alpesh Mistry; Samantha Low; Andrew Fisher; Alistair P. Bond; Laura-Ann Lambert; Lara Jayatilaka, MD; Matthew Philpott; Lauren Fisher; Andrew P. Molloy, MB ChB, FRCS(Tr&Orth)



Paper Session 2A: Forefoot
Moderators: Amiethab A. Aiyer, MD, and A. Holly Johnson, MD

Minimally Invasive Chevron-Akin for Correction of Moderate and Severe Hallux Valgus Deformities
Kepler Carvalho, MD; Andre D. Baptista, MD; Samai Ferrarezi; Gustavo A. Nunes, MD; Nacime S.B. Mansur, MD; Cesar de Cesar Netto, MD, PhD; A. Holly Johnson, MD; Miki Dalmau-Pastor, PhD

Coronal Plane Rotation of the Medial Column in Hallux Valgus (HV), Progressive Collapsing Foot Deformity (PCFD), and Combined PCFD HV: A Retrospective Case Control Study
Matthieu Lalevée, MD; Hunter D. Briggs; Nacime S.B. Mansur, MD; Kepler Carvalho, MD; Eli Schmidt; Caleb J. Iehl, BS; Francois Lintz, MD, MSc, FEBOT; Andrew Behrens; Kevin N. Dibbern, PhD; Cesar de Cesar Netto, MD, PhD

Role of Lateral Soft Tissue Release in Percutaneous Hallux Valgus Surgery: A Systematic Review of the Literature
Alessio Bernasconi, MD, PhD, FEBOT; Antonio Izzo, MD; Salvatore Vallefuoco, MD; Morena A. Basso; Domenico Marasco, MD; Massimo Mariconda, MD; Francois Lintz, MD, MSc, FEBOT; Francesco Smeraglia, MD, PhD

Metatarsophalangeal and Metatarso-sesamoid Joint Interaction in Hallux Valgus Deformity: A Case-Control Study
Kepler Carvalho, MD; Kevin N. Dibbern, PhD; Lily G. McGettigan; Andrew Behrens; Nacime S.B. Mansur, MD; Emilio Wagner, MD; Pablo Wagner, MD; Caio A. Nery; Alexandre L. Godoy-Santos, MD; Matthieu Lalevée, MD; Cesar de Cesar Netto, MD, PhD

Impact of Asymptomatic Flatfoot on Clinical and Radiographic Outcomes of the Modified Lapidus Procedure in Patients with Hallux Valgus
Lavan Rajan, BA; Jaeyoung Kim, MD; Tonya W. An, MD; Rami Mizher; Syian Srikumar, BS; Robert Fuller; Agnes D. Cororaton; Scott J. Ellis, MD



Paper Session 2B: Basic Science
Moderators: Naomi N. Shields, MD, and Amgad M. Haleem Amin, MD, PhD

The Efficacy and Safety of Tranexamic Acid in Foot and Ankle Surgery: A Systematic Review and Meta-analysis
Motasem Salameh, MD; Ahmed K. Attia, MD; Raymond Y. Hsu, MD; Brad D. Blankenhorn, MD

A Systematic Review Comparing Bone Graft Harvest from the Iliac Crest, Tibia, and Calcaneus Donor Sites in Foot and Ankle Surgery
Jose M. Iturregui, MD; Alex M. Moses, MD; Glenn G. Shi, MD; Edward T. Haupt, MD

Surgically Repairing Achilles Tendon Ruptures Restores Plantar Flexor Function Better Than Non-surgical Treatment in a Rat Model
My My Tang, BA; Natalie Fogarty, VMD; Courtney Nuss; Todd J. Hullfish, BS; Tejvir Khurana, MD, PhD; Josh R. Baxter, PhD

Gene Transcription in End Stage Ankle Osteoarthritis Differs Markedly from Knee Arthritis and Non-arthritic Ankles
Sara E. Buckley, DO; Mary C. Hamati, MD; Michael A. Hewitt, BA; Cheryl L. Ackert-Bicknell, PhD; Michael J. Zuscik, PhD; Joshua A. Metzl, MD; Daniel K. Moon, MD, MS, MBA; Kenneth J. Hunt, MD

Vitamin D Status and Fracture Healing: A Systematic Review of 63 Studies
Priya K. Singh, MSc; Lucy O'Sullivan; Ashish Vankara; Micheal Raad; Amiethab A. Aiyer, MD



Paper Session 3A: Trauma
Moderators: Eric M. Bluman, MD, PhD, and Stephen J. Pinney, MD

Syndesmotic Suture Button Fixation Results in Higher Tegner Activity Scale Scores when Compared to Screw Fixation: A Multicenter Investigation
Mitchel Obey; Kevin A. Schafer, MD; Lauren M. Matheny, MPH; Christopher McAndrew, MD; Michael J. Gardner, MD; William M. Ricci, MD; Thomas O. Clanton, MD; Jonathon D. Backus, MD

Portable Dynamic Ultrasonography Is a Useful Tool for the Evaluation of Suspected Syndesmotic Instability
Noortje Hagemeijer, MD; Bart Lubberts, MD, PhD; Jirawat Saengsin, MD; Rohan Bhimani, MD, MBA; Go Sato, MD; Gregory R. Waryasz, MD; Gino Kerkhoffs, MD; Christopher W. DiGiovanni, MD; Daniel Guss, MD, MBA

Syndesmotic Malreduction Assessment Using Three-Dimensional Distance Mapping: A Cadaveric WBCT Study
Cesar de Cesar Netto, MD, PhD; John Y. Kwon, MD; Nacime S.B. Mansur, MD; Matthieu Lalevée, MD; Eli Schmidt; Ki Chun Kim, MD; Andrew Behrens, MD; Kepler Carvalho, MD; Kevin N. Dibbern, PhD

Measuring Deltoid Insufficiency After Supination-External Rotation Ankle Fracture with Lateral Talar Subluxation on Gravity Stress View
Edward T. Haupt, MD; Jose M. Iturregui, MD; Ronnie Sebro; Rupert Stanborough; Glenn G. Shi, MD

MRI Findings in Patients with Discordant Results Between Gravity Test and Weight-Bearing Stress Views in Isolated Supination-External Rotation Fibular Fracture
Camilo Piga, MD; Felipe Turner; Valentina F. Herrera; Cristobal F. Del Pino; Gonzalo F. Bastias, MD; Jorge Filippi, MD, MBA



Paper Session 3B: Potpourri
Moderators: Sergio Abello, MD, and Adam D. Bitterman, DO

Clinical Outcomes of Posterior Tibial Tendon Sheath Ultrasound-Guided Corticosteroid Injections
Mark Spencer; Matthew Hall; Allison Schafer, MD; Lauren E. Geaney, MD

Opioid Use for Operative Foot and Ankle Fractures: A Systematic Review
Daniel Badin, MD; Carlos D. Ortiz-Babilonia, BS; Arjun Gupta, BS; Christopher R. Leland, BS; Farah Musharbash; James M. Parrish, MD, MPH; Amiethab A. Aiyer, MD

Opiate Free Multimodal Pain Pathway in Elective Foot and Ankle Surgery: A Prospective Study
Rachel L. Glenn; Daniel J. Ross; J. Benjamin Jackson, MD; Tyler A. Gonzalez, MD, MBA

Posterior Ankle Impingement: It Is Not All About the Os Trigonum
Nacime S.B. Mansur, MD; John E. Femino, MD; Karthikeyan Chinnakkannu, MBBS, MS(Orth); Natalie Glass, PhD; Phinit Phisitkul, MD; Annunziato Amendola, MD



Paper Session 4A: Ankle Arthritis
Moderators: Andrew J. Goldberg, OBE, MD, FRCS(Tr&Orth), and Harold B. Kitaoka, MD

Outcomes Following Total Talus Replacement: A Systematic Review
Albert T. Anastasio, MD; Lindsey G. Johnson, MBA; Amanda N. Fletcher, MD, MS; Stephanie Hendren, MLIS, AHIP; Samuel B. Adams Jr., MD

The Fall and Rise of Total Ankle Arthroplasty: A Database Analysis of Procedural Incidence Between 2009 and 2019
Anthony L. Karzon; Jason T. Bariteau, MD; Michelle M. Coleman, MD, PhD; Rishin J. Kadakia, MD; Joseph E. Jacobson, MD; Sameh A. Labib, MD

Validation of the Mayo Periprosthetic Joint Infection Risk Score for Total Ankle Arthroplasty
Lew C. Schon, MD; Bonnie Y. Chien, MD; Naudereh B. Noori, MD; Jonathan Day, MD; Zijun Zhang, PhD, MD

Management, Complications, and Radiographic Follow-up of Total Ankle Arthroplasty in the Setting of Talar Bone Loss
Canon C. Cornelius; Leslie A. Duncan; Alex Wetzig; Taggart T. Gauvain, MD; Michael C. Greaser, MD; William C. McGarvey, MD



Paper Session 4B: Flat Foot
Moderators: Cesar de Cesar Netto, MD, PhD, and Scott J. Ellis, MD

Passive Eversion Assessment for Progressive Collapsing Foot Deformity After Lateral Column Lengthening: A Cadaveric Biomechanical Study
Jaeyoung Kim, MD; Jeffrey W. Hoffman, MS; Scott J. Ellis, MD; Jonathan T. Deland, MD; Brett D. Steineman

Chopart Peritalar Subluxation in Progressive Collapsing Foot Deformity Assessed by Three-Dimensional Coverage Maps
Andrew Behrens; Kevin N. Dibbern, PhD; Nacime S.B. Mansur, MD; Amanda Ehret; Nathan Chen; Hannah J. Stebral; Francois Lintz, MD, MSc, FEBOT; Alessio Bernasconi, MD, PhD, FEBOT; Donald D. Anderson; Matthieu Lalevée, MD; Cesar de Cesar Netto, MD, PhD

Radiographic Cut-off Values for Predicting Lateral Bony Impingement in Progressive Collapsing Foot Deformity: A Correlation Analysis with Weightbearing Computed Tomography
Jaeyoung Kim, MD; Lavan Rajan, BA; Rami Mizher; Syian Srikumar, BS; Robert Fuller; Carolyn M. Sofka, MD; Constantine A. Demetracopoulos, MD; Scott J. Ellis, MD; Jonathan T. Deland, MD

Computational Modeling of Peritalar Joint Contact Mechanics in Flexible Flatfoot Deformity
Hamed Malakoutikhah, PhD(c); Erdogan Madenci, PhD; L. Daniel Latt, MD, PhD

Influence of Isolated and Combined Medial Displacement Calcaneal Osteotomy, Lateral Column Lengthening and Cotton Osteotomy in Three-Dimensional Foot Alignment: A Cadaveric Weightbearing CT Study
Ki Chun Kim, MD; Andrew Behrens; Samuel Braza; Amanda Ehret; Kepler Carvalho, MD; Nacime S.B. Mansur, MD; Kevin N. Dibbern, PhD; Scott J. Ellis, MD; Matthieu Lalevée, MD; Cesar de Cesar Netto, MD, PhD



Paper Session 5A: Ankle Arthritis
Moderator: L. Daniel Latt, MD, PhD

Outcomes of Bone Graft for Periprosthetic Osteolysis After Total Ankle Arthroplasty
Yeokwon Yoon; Kwang Hwan Park, MD, PhD; Jae Han Park, MD; Seung Hwan Han, MD, PhD; Jin Woo Lee, MD, PhD

Patient-Reported Outcomes Following a Two-Stage Revision Total Ankle Arthroplasty for Chronic Periprosthetic Joint Infections
Matthew S. Conti, MD; Todd A. Irwin, MD; Samuel E. Ford, MD; Carroll P. Jones III, MD; Robert B. Anderson, MD; W. Hodges Davis, MD

A Cohort Study of Risk Factors for Failure of Total Ankle Replacements: A Data Linkage Study Using the National Joint Registry and NHS Digital
Toby Jennison; Andrew J. Goldberg, OBE, MD, FRCS(Tr&Orth); Ian T. Sharpe, MD

Total Ankle Replacement Versus Arthrodesis (TARVA) Randomised Controlled Trial: 2 Year Results
Andrew J. Goldberg, OBE, MD, FRCS(Tr&Orth); Kashfia Chowdhury, MSc; Andrew P. Molloy, MB ChB, FRCS(Tr&Orth); Mark Bowen Davies, MD, FRACS(Orth); Steve Hepple, MB ChB; Rhys H. Thomas, MBBS, FRCS(Tr&Orth); Malik S. Siddique, FRCS(Tr&Orth); David T. Loveday, MBBS, FRCS(Tr&Orth); Sunil Dhar, MBBS, MS, MCh; Andrew J. Bing; Timothy Clough, FRCS(Tr&Orth); Stephen P. Bendall, MBBS, FRCS(Orth); Mark Rogers, FRCS(Tr&Orth); Stephen Milner, FRCS(Tr&Orth); Viren Mishra, FRCS(Tr&Orth); Michael Butler, FRCS(Tr&Orth); Paul Halliwell, FRCS(Tr&Orth); David N. Townshend, MBBS, FRCS(Tr&Orth); on behalf of the TARVA Study Group

Total Talus Replacement: A Systematic Review of the Literature
Toby Jennison; James S. Dalgleish; Mark Davies; Ian T. Sharpe, MD; Andrew J. Goldberg, OBE, MD, FRCS(Tr&Orth)



Paper Session 5B: Outcomes Database
Moderators: J. Turner Vosseller, MD, and Michael S. Aronow, MD

Can We Utilize PROMIS Neuropathic Pain Quality for Assessment of Neuropathic Heel Pain?
Peter Joo, BS; Samantha Hoffman; Judith F. Baumhauer, MD, MS, MPH; Irvin Oh, MD

Orthopaedic Foot and Ankle Post-operative Outcomes: The University of Colorado Orthopaedic Surgery Monitoring of Outcomes System (U-COSMOS)
Kenneth J. Hunt, MD; Michael A. Hewitt, BA; Shayne York; Sara E. Buckley, DO; Joshua A. Metzl, MD; Daniel K. Moon, MD, MS, MBA; Courtney Grimsrud, MD

The OFAR Experiment: Barriers, Lessons, and Findings from an Orthopedic Patient Outcomes Database
Kenneth J. Hunt, MD; Ross A. Benthien, MD, MPH; L. Daniel Latt, MD, PhD; Daniel Guss, MD, MBA; Christopher W. DiGiovanni, MD; Michael A. Hewitt, BA; Patrick Carry; Judith F. Baumhauer, MD, MS, MPH; OFAR Network

The Effects of Sociodemographic Factors on Variation in Baseline Patient Reported Outcome Measures in Foot and Ankle Patients
Lorraine A. Boakye, MD; Emily B. Parker; Elizabeth A. Martin, MD; Christopher P. Chiodo, MD; Eric M. Bluman, MD, PhD; Jeremy T. Smith, MD

Postoperative Pain in Outpatient Orthopedic Foot and Ankle Trauma Surgery Patients
Frederic J. Washburn, DO; Emily S. Benson; Damayea Hargett; Emerald Chiang



Paper Session 6A: Trauma
Moderators: Jason T. Bariteau, MD, and Joseph S. Park, MD

Predisposing Factors for Posttraumatic Osteoarthritis After Operation for Malleolus Fracture in Patients Aged 50 Years or Less with a Minimum Follow-up of 5 Years
Sung Hyun Lee, MD; Byung min Yoo; Choi Youngchae, MD; Kang Sung-ju, MD

Comparative Risk Stratification for Prediction of Early Postoperative Morbidity and Mortality After Open Fixation of Periarticular Lower Extremity Fractures
Amy L. Xu, BS; Micheal Raad; Rachel B. Sotsky; Alice J. Hughes; Amiethab A. Aiyer, MD

Computed Tomography Scan versus Saline Load Test in the Detection of Traumatic Arthrotomies of the Ankle: A Cadaveric Study
Rohan A. Gheewala, MD; Akshay Lakra; Benjamin Villacres Mori; Jeremy D. Carroll; Michael Mulligan

Presence of Anemia and Its Severity Is Associated with Worse Outcomes Following Open Reduction Internal Fixation of Ankle Fractures
Carlos D. Ortiz-Babilonia, BS; Daniel Badin, MD; Arjun Gupta, BS; Amiethab A. Aiyer, MD

Defining Operative Indications in Lisfranc Injuries
Christian Pearsall; Henrik C. Bäcker; Direk Tantigate; David P. Trofa; J. Turner Vosseller, MD



Paper Session 6B: VTE
Moderators: Monika Volesky, MD, and James E.W. Meeker, MD

Correlation of Statins Use with the Incidence of Venous Thromboembolism in Patients with Ankle Fracture
Nour Nassour, MD; Bardiya Akhbari; Noopur Ranganathan; David Shin; Gregory R. Waryasz, MD; Christopher W. DiGiovanni, MD; Daniel Guss, MD, MBA; Hamid Ghaednia; Soheil Ashkani-Esfahani, MD

Incidence of Venous Thromboembolism Following TAA: Does Chemoprophylaxis Work?
Brandon J. Martinazzi, BS; Hannah Nam; Kelly Dopke; Kirsten N. Mansfield; Zachary Koroneos, BS; Anna Ptasinski; Kristen Manto, PhD; Gregory Kirchner; Michael C. Aynardi, MD

Venous Thromboembolism in Foot and Ankle Surgery: How Common Is it?
Brandon J. Martinazzi, BS; Hannah Nam; Kirsten N. Mansfield; Kelly Dopke; Anna Ptasinski; Gregory Kirchner; Kristen Manto, PhD; Michael C. Aynardi, MD

Routine Postoperative Aspirin for VTE Chemoprophylaxis in Primary Total Ankle Arthroplasty
Alexander J. Adams; Amir R. Kachooei, MD; Joseph Paladino; Clarissa Whiting, BS; Maggie Denbleyker, BS; Daniel Corr, BS; Steven M. Raikin, MD; David I. Pedowitz, MD, MS

Prediction of Venous Thromboembolism After Ankle Fractures Using Machine Learning: To Give Prophylaxis or Not to Give, That Is the Question
Nour Nassour, MD; Bardiya Akhbari; Noopur Ranganathan; David Shin; Gregory R. Waryasz, MD; Bart Lubberts, MD, PhD; Christopher W. DiGiovanni, MD; Joseph Schwab; Hamid Ghaednia; Soheil Ashkani-Esfahani, MD; Daniel Guss, MD, MBA



Paper Session 7A: Forefoot
Moderators: Christopher E. Gross, MD, and Ashish Shah, MD

Treatment of Hallux Rigidus: Comparison of Hemiarthroplasty with Cartiva Implant, Allograft Interpositional Arthroplasty, and Arthrodesis
Ryan Sanii, MPH; Kevin Phan, MD; Drew B. Krumm; Daniel J. Patton, MD; Tyler Madden; John G. Anderson, MD; John D. Maskill, MD; Donald R. Bohay, MD, FACS; Michelle A. Padley, MS; Cameron G. Patthanacharoenphon, MD

Vascular Supply to the Proximal Plantar Plate of Lesser Toe Metatarsophalangeal Joint Is Primarily Supplied by the Attachment to the Metatarsal: A Nano-CT Microvasculature Study
Jiwon V. Park; Fred T. Finney, MD; Natalie Singer, MD; Noah Saunders; Kempland C. Walley; James R. Holmes, MD; David M. Walton, MD; Paul G. Talusan, MD

Outcomes of PIPA/DIPA with Retrograde Screw Fixation for Correction of Lesser Toe Deformities
Charles C. Pitts, MD; Rasikh N. Hamid; Todd A. Irwin, MD; Carroll P. Jones III, MD

Minimally Invasive Chevron Akin (MICA) Osteotomy for Severe Hallux Valgus
Kepler Carvalho, MD; Gustavo A. Nunes, MD; Gabriel F. Ferraz, MD; Miguel V. Pereira Filho, MD; Roberto Zambelli de A. Pinto, MD

Distribution, Prevalence, and Impact on the Metatarsosesamoid Complex of First Metatarsal Pronation in Hallux Valgus
Matthieu Lalevée, MD; Kepler Carvalho, MD; Nacime S.B. Mansur, MD; Ki Chun Kim, MD; Eli Schmidt; Lily G. McGettigan; Alexandre L. Godoy-Santos, MD; Francois Lintz, MD, MSc, FEBOT; Mark E. Easley, MD; Cesar de Cesar Netto, MD, PhD



Paper Session 7B: Achilles
Moderators: Vinod K. Panchbhavi, MD, and Bryan D. Den Hartog, MD

What Is the Best Evidence to Guide Management of Acute Achilles Tendon Ruptures? A Systematic Review and Network Meta-Analysis of Randomized Controlled Trials
Brad Meulenkamp, MD; Taylor Woolnough, MD; Wei Cheng; Dawn Stacey; Megan Richards, MD, FRCSC; Arnav Gupta; Dean Fergusson; Ian D. Graham

A Systematic Review of Extracorporeal Shock Wave Therapy (ESWT) for Insertional and Non-Insertional Achilles Tendinopathy
Matthew B. Weiss, BS.; Mohammad T. Azam, BS; Nathan Jia; Hugo A. Ubillus, MD; Mehreen A. Pasha; George Jejelava; John G. Kennedy, MD, FRCS(Orth)

Surgical Management of Chronic Achilles Tendon Rupture: A Systematic Review and Proposed Treatment Algorithm
Hugo A. Ubillus, MD; Mohammad T. Azam, BS; Matthew B. Weiss, BS.; Noah Kirschner; Nathaniel P. Mercer, MS; James J. Butler; John G. Kennedy, MD, FRCS(Orth)

Achilles Tendon Loading During Walking Differs Between Commonly Used Immobilizing Boots
Josh R. Baxter, PhD; Todd J. Hullfish; Daniel C. Farber, MD; Casey J. Humbyrd, MD, MBE

The Pathologic Achilles Insertion Angle (PAIA): A Novel Angular Measurement to Guide Both Evaluation and Treatment of Insertional Achilles Tendinopathy
Shuyuan Li, MD, PhD; Wanjun Gu, BS, BA; Mingjie Zhu, DAOM, MPH; Melissa L. Carpenter, BS; Kenneth J. Hunt, MD; Mark S. Myerson, MD



Coding and Practice Management Forum
Moderator: David I. Pedowitz, MD

Coding and Legislative Update
David I. Pedowitz, MD

E&M Update
Michael C. Aynardi, MD

Difficult Partners and Resolving Complicated Issues in a Partnership
Aaron J. Guyer, MD



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