IFFAS 2024

Program

Scientific Programs

Program at a glance
Scientific Programs
Sponsored Symposia
Social Programs

Scientific Programs

AFFAS 2024 | Day 1

IFFAS 2024 | Day 2

IFFAS 2024 | Day 3

Day 1

Session 1. Forefoot Disorders

Time: 08:00~10:00
Venue: Auditorium

Chairs	David LUNZ (Australian Orthopaedic Foot and Ankle Society / IFFAS Committee / Prince of Wales Hospital, Australia)
	Thomas H. LEE (AOFAS, USA)
08:00~08:08	ASY01-01	Strategic Approach for Hallux Valgus
		Hong-geun JUNG (Konkuk University Medical Center, Republic of Korea)
08:08~08:16	ASY01-02	Management of Complications follow Hallux Valgus Surgery
		TBC
08:16~08:24	ASY01-03	Treatment of Hallux Rigidus
		Judy BAUMHAUER (University of Rochester School of Medicine and Dentistry, USA)
08:24~08:32	ASY01-04	Rheumatoid Forefoot Reconstruction: Weil or Resection Arthroplasty
		Koichiro YANO (Tokyo Women's Medical University, Japan)
08:32~08:40	ASY01-05	Evaluation and Management of Sesamoid Problems: What is Sesamoiditis?
		Paolo CECCARINI (SM Misericordia Hospital, Perugia, Italy)
08:40~09:00	Discussion
09:00~09:06	AOP01-01	Clinical Diagnosis of the Hypermobility of the 1st Ray in the Foot
		Cher ERIC (Sengkang General Hospital, Singapore)
09:06~09:12	AOP01-02	Modified SERI Osteotomy Combined with Akin Osteotomy for Hallux Valgus Deformity
		Dong Dong WAN (Tianjin First Central Hospital, China)
09:12~09:18	AOP01-03	Correction of Adult Hallux Valgus with Pes Planus Deformity
		Wenqi GU (Shanghai Sixth People’s Hospital affiliated to Shanghai Jiao Tong University School of Medicine, China)
09:18~09:24	AOP01-04	Analysis of Independent Predictors of Poor Outcomes after Chevron Osteotomy for Hallux Valgus Deformity: Focus on Generalised Ligamentous Laxity and Foot Width Changes
		Yeok Gu HWANG (Ewha Womans University Seoul Hospital, Republic of Korea)
09:24~09:30	AOP01-05	Predictor of Failure for First Metatarsophalangeal Joint (MTPJ) Fusion in Patients with Hallux Rigidus
		Kevin Anthony Jing Ming CHONG (Singapore General Hospital, Singapore)
09:30~09:36	AOP01-06	Union Rate in Modified Lapidus Surgery using Plantar and Medio-Plantar Plates with Immediate Weight-bearing
		Andres FUENTEALBA (Clinica Santa Maria, Chile)
09:36~09:42	AOP01-07	Comparison of Plantar and Dorsal Approach for Hoffmann Resection Arthroplasty in Rheumatoid Forefoot
		Gonzalo BASTIAS (Hospital del Trabajador, Chile)
09:42~09:48	AOP01-08	Long Term Follow Up on Treatment of Hallux Sesamoid Fracture with Temporary First Metatarsal Joint Internal Fixation
		Yves TOURNÉ (Centre Osteo articulaire des Cedres-GRENOBLE, France)
09:48~10:00	Discussion

Session 2. Ankle Trauma

Time: 08:00~10:00
Venue: ASEM Ballroom 202+203

Chairs	Gab Lae KIM (Kang Dong Sacred Heart Hospital / Medicine of Hallym University, Republic of Korea)
	Cristian ORTIZ (Clínica Universidad de los Andes, Chile)
08:00~08:08	ASY02-01	Is the Isolated Fibular Fracture as Simple as We Think?
		Daniel GUSS (Massachusetts General Hospital/Harvard Medical School, USA)
08:08~08:16	ASY02-02	Fixation Technique in Syndesmotic Injury
		Kenneth HUNT (University of Colorado, School of Medicine, USA)
08:16~08:24	ASY02-03	Proper Indication for Fixation of Syndesmosis and Posterior Malleolus in Ankle Fracture
		Keen-Wai CHONG (Singapore Orthopaedic Association, Singapore)
08:24~08:32	ASY02-04	Ankle Fracture in Diabetic Patients
		Hyun-Woo PARK (Dankook University Hospital, Republic of Korea)
08:32~08:40	ASY02-05	Surgical Planning for Pilon Fracture
		Jinsoo SUH (Inje University Ilsan Paik Hospital, Republic of Korea)
08:40~09:00	Discussion
09:00~09:06	AOP02-01	Outcome Comparison of Rotational Ankle Fractures: Supination External Rotation Versus Pronation External Rotation
		Min-Su LEE (Chonnam National University Medical School and Hospital, Gwangju, Republic of Korea)
09:06~09:12	AOP02-02	Prediction of Syndesmotic Injuries According to a Medial Malleolar Fracture Morphology using Preoperative CT
		Jahyung KIM (Armed force Yangju hospital, Republic of Korea)
09:12~09:18	AOP02-03	Preoperative Prediction of Deltoid Ligament Rupture in Weber B Ankle Fracture using Gravity Stress Test
		Jae Yong PARK (Hallym University Sacred Heart Hospital, Republic of Korea)
09:18~09:24	AOP02-04	Surgical Outcomes of Unstable Supination-external Rotation/Weber B Ankle Fractures without Intraoperative Stress Tests and Syndesmotic Transfixation.
		Ki-Sun SUNG (Sungkyunkwan University School of Medicine Samsung Medical Center, Republic of Korea)
09:24~09:30	AOP02-05	Isolated Syndesmotic Fixation is Associated with Increased Risk of Arthrodesis AND Arthroplasty Operations Compared to Nonoperatively Managed Syndesmotic Injury: A Propensity-scored Analysis
		Walter HEMBREE (Medstar union memorial hospital, USA)
09:30~09:36	AOP02-06	Correlation between the Fibrillar Pattern in Ultrasonography and Clinical Factors after Achilles Tendon Repair
		Su-Young BAE (Foot & Ankle Center, Inje University Sanggye-Paik Hospital, Republic of Korea)
09:36~09:42	AOP02-07	Medium to Long Term Outcomes of Treatment for Chronic Tendo Achilles Ruptures with a Single Incision Short FHL Tendon Transfer and a Bio Tenodesis Screw
		Ameet KULKARNI (University Hospital of North Tees and Hartlepool, United Kingdom)
09:42~09:48	AOP02-08	Metal Hypersensitivity in Foot & Ankle Orthopaedic Surgery: A Systematic Review
		Caroline CRISTOFARO (University of Toronto, Canada)
09:48~10:00	Discussion

Session 3. Ankle and Hindfoot Deformity

Time: 10:30~12:30
Venue: Auditorium

Chairs	YASUHITO TANAKA (Nara Medical University, Japan)
	David SHEPHERD (Melbourne Orthopaedic Group, Australia)
10:30~10:38	ASY03-01	Adult Flatfoot: Pathophysiology, Natural History and Evaluation
		Thomas H. LEE (AOFAS, USA)
10:38~10:46	ASY03-02	PCFD vs PTTD
		Rajiv SHAH (Sunshine Global Hospitals, Vadodara, India)
10:46~10:54	ASY03-03	Adult Flatfoot: Role of Soft Tissue and Bony Surgery
		Hoseong LEE (Asan Medical Center, Republic of Korea)
10:54~11:02	ASY03-04	Management of Muller-Weiss Syndrome
		Chen-Chie WANG (Taipei Tzu Chi Hospital / Hualien Tzu Chi University, Taiwan)
11:02~11:10	ASY03-05	Surgical Correction of Cavovarus Foot
		Matthias WALCHER (GFFC, Germany)
11:10~11:30	Discussion
11:30~11:36	AOP03-01	Discrepancy of Radiographic Parameters between Weightbearing Conventional Radiography And Weightbearing CT in Normal Feet versus Adult-acquired Flatfoot Deformity
		Methasit SUKSINTHARANON (Phramongkutklao hospital, Thailand)
11:36~11:42	AOP03-02	Classification of the Os Calcis Subtalar Morphology in Symptomatic Flexible Pediatric Pes Planus Deformity using Weightbearing CT and Distance Mapping
		Cristian INDINO (Humanitas San Pio X - Milano, Italy)
11:42~11:48	AOP03-03	A Single Centre Review of Outcomes of Kidner Procedure with Adjunctive Gastrocnemius Recession
		Amber HASEEB (UNIVERSITY MALAYA, Malaysia)
11:48~11:54	AOP03-04	Isolated Subtalar Repositional Arthrodesis Compared with Triple Arthrodesis for the Treatment of Progressive Collapsing Foot Deformity
		Sunghoo KIM (Chungbuk National University Hospital, Republic of Korea)
11:54~12:00	AOP03-05	The Staged Treatment of Combined Lower Limb Deformities of Cavovarus Foot, Genu Valgum, Tibial Torsion and Leg Length Discrepancy
		Hui DU (Beijing Jishuitan Hospital, China)
12:00~12:06	AOP03-06	3D Automated Analysis of Charcot-Marie-tooth Cavovarus Reconstruction using Preoperative and Postoperative WBCT
		Jaehwang SONG (Konyang University Hospital, Daejeon, Republic of Korea)
12:06~12:12	AOP03-07	Comparison of One Week Accelerated Ponseti Method and Standard Ponseti Method for Management of Idiopathic Congenital Talipes Equinovarus Deformity in Infants: a Randomized Controlled Trial
		Ritesh Arvind PANDEY (ALL INDIA INSTITUTE OF MEDICAL SCIENCES, PATNA, INDIA, India)
12:12~12:18	AOP03-08	Outcomes of Total Ankle Arthroplasty in Ankles with >20° of Coronal Plane Deformity
		Gunwoo LEE (Chonnam National University, Republic of Korea)
12:18~12:30	Discussion

Session 4. Minimal Invasive Procedure

Time: 10:30~12:30
Venue: ASEM Ballroom 202+203

Chairs	Judy BAUMHAUER (University of Rochester School of Medicine and Dentistry, USA)
	Santiago GUERRERO (Hospital de San José, Colombia)
10:30~10:38	ASY04-01	Minimally Invasive Achilles Procedures, from Mini-open Repair to Endoscopic Calcaneoplasty
		Samuel KK LING (The Chinese University of Hong Kong (CUHK), Hong Kong)
10:38~10:46	ASY04-02	Arthroscopic Lateral Ligament Reconstruction
		Masato TAKAO (Clinical and Research Institute for Foot and Ankle Surgery, Jujo Hospital, Japan)
10:46~10:54	ASY04-03	Microfracture/Drilling or Various Graft
		Hongmou ZHAO (Honghui Hospital of Xi'an Jiaotong University, China)
10:54~11:02	ASY04-04	Cartilage Regeneration via Tissue Engineering Methods: Cell, Scaffold and Cytokines
		Tomoyuki NAKASA (Hiroshima University, Japan)
11:02~11:10	ASY04-05	Percutaneous Hallux Valgus Correction - European Way
		Henryk LISZKA (Medical College Jagiellonian University, Poland)
11:10~11:30	Discussion
11:30~11:36	AOP04-01	Minimally Invasive Transverse Distal Metatarsal Osteotomy (MITO) for Hallux Valgus Correction: Early Outcomes of Mild to Moderate vs Severe Deformities
		Yeo Kwon YOON (Yongin Severance Hospital, Yonsei University College of Medicine, Republic of Korea)
11:36~11:42	AOP04-02	Percutaneous, Implantless Basal Closing Wedge Osteotomy for Hallux Valgus: Surgical Technique and Preliminary Results in 114 Patients
		Adrian Joseph TABLANTE (Jose R. Reyes Memorial Medical Center, Philippines)
11:42~11:48	AOP04-03	The Learning Curve of Minimally Invasive Chevron and Akin Osteotomy for Hallux Valgus Correction
		Sam PARK (Division of Orthopedic Surgery, Canada)
11:48~11:54	AOP04-04	Safe Location of Anchor Insertion into Fibula in the Arthroscopic Ankle Lateral Ligament Repair
		Yuta MORI (Sapporo Medical University, Japan)
11:54~12:00	AOP04-05	Percutaneous Inferior Extensor Retinaculum Augmentation Technique for Chronic Ankle Instability
		Chen WANG (Huashan Hospital affiliated to Fudan Univeristy, China)
12:00~12:06	AOP04-06	Minimally Invasive Treatment of Displaced Intra-articular Calcaneal Fracture with the Assistance of Arthroscopy
		Dong Dong WAN (Tianjin First Central Hospital, China)
12:06~12:12	AOP04-07	Sinus Tarsi Incision Open Method Versus Minimally Invasive Locking Calcaneal Nail for Operative Management of Displaced Intra-articular Calcaneal Fractures: A Retrospective, Matched Pairs, Single Center, Comparative Analysis
		Jennifer SO (University of Florida College of Medicine - Jacksonville, USA)
12:12~12:18	AOP04-08	Finite Element Analyses of Three Minimally Invasive Fixation Techniques for Treating Sanders Type II Intra-articular Calcaneal Fractures
		Wenqi GU (Shanghai Sixth People’s Hospital affiliated to Shanghai Jiao Tong University School of Medicine, China)
12:18~12:30	Discussion

Session 5. Foot Trauma

Time: 13:30~15:00
Venue: Auditorium

Chairs	Kristian BUEDTS (ZNA)
	Gabriel KHAZEN (Hospital de Clinicas Caracas, Venezuela)
13:30~13:38	ASY05-01	Arthroscopic Assisted Percutaneous Surgery for Calcaneus Fracture
		Ewe-Juan YEAP (Prince Court Medical Centre, Malaysia)
13:38~13:46	ASY05-02	Management of Calcaneal Fracture Complications
		Hyung Jin CHUNG (Inje University Sanggye Baik Hospital, Republic of Korea)
13:46~13:54	ASY05-03	Talar Fracture and Complication
		Keun-Bae LEE (Chonnam National University, Republic of Korea)
13:54~14:02	ASY05-04	Management of Acute and Chronic Lisfranc Injury
		Shiv Manik AJOY (Ramaiah Medical College and Hospitals, Ramaiah University of Applied Sciences, Bangalore, India)
14:02~14:10	ASY05-05	Stress Fractures of Foot
		Ki Won YOUNG (Eulji Medical College, Nowon Eulji Hospital, Republic of Korea)
14:10~14:30	Discussion
14:30~14:36	AOP05-01	Arthroscopic-Assisted Reduction of Talus Fracture Improves Clinical Outcomes and Postoperative Complications
		Sean PEDEN (Yale University, USA)
14:36~14:42	AOP05-02	Arthroscopic Assisted Reduction of Calcaneal Fractures Leads to Improved Clinical Outcomes at Mid-term Follow-up
		Sean PEDEN (Yale University, USA)
14:42~14:48	AOP05-03	Intramedullary Screw Fixation for Displaced Fractures of the Neck and Diaphysis of Lesser Metatarsals
		Gonzalo BASTIAS (Hospital del Trabajador, Chile)
14:48~14:54	AOP05-04	Is Surgical Treatment of Jones Fracture Still Necessary? A Comparative Study Assessed with the Foot Function Index-revised Short Form (FFI-R S) Questionnaire
		Jiyoun KIM (Kosin University Gospel Hospital, Republic of Korea)
14:54~15:00	Discussion

Session 6. Diabetic Foot

Time: 13:30~15:00
Venue: ASEM Ballroom 202+203

Chairs	Lew SCHON (Mercy Medical Center / Johns Hopkins University, USA)
	Marut ARUNAKUL (Thammasat University, Thailand)
13:30~13:38	ASY06-01	Clinical Value of Hyperbaric Oxygen Therapy for Diabetic Foot Ulcer
		Hak Jun KIM (Korea University, Republic of Korea)
13:38~13:46	ASY06-02	The Strategy of Surgical Intervention in Acute and Chronic Diabetic Infection
		Irvin OH (Yale University, USA)
13:46~13:54	ASY06-03	Pathophyiology of Achilles Tendon Contracture in Diabetic Foot
		Bi O JEONG (College of Medicine, Kyung Hee University, Republic of Korea)
13:54~14:02	ASY06-04	Charcot Foot: Complication & Wound Management
		Rajesh SIMON (VPS Lakeshore Hospital, Nettoor, Kochi, Kerala, India)
14:02~14:10	ASY06-05	Treatment of Charcot Joint 1 Step Surgery
		Thiruppathy Visalakshi RAJA (Visa Medicure, India)
14:10~14:30	Discussion
14:30~14:36	AOP06-01	Analysis of Predictor Factors and Comorbidities Associated with Lower Extremity Amputation and Reamputation in Diabetic Patients with Foot Ulcer and Infection
		Yeok Gu HWANG (Ewha Womans University Seoul Hospital, Republic of Korea)
14:36~14:42	AOP06-02	Analysis of the Factors of Wound Healing Problems after Transtibial Amputation in Diabetic Patients
		Sihyun PARK (Dong-a university, Republic of Korea)
14:42~14:48	AOP06-03	Risk Factors of Arthrodesis in Diabetic Foot Charcot Arthropathy
		Se Jin PARK (Kangbuk Samsung Hospital, Sungkyunkwan University, School of Medicine, Republic of Korea)
14:48~14:54	AOP06-04	Partial Nail Avulsion with Chemical Matricectomy and Partial Nail Avulsion Alone for Treatment of Infected Subungual Onychocryptosis of the Hallux in Adult Diabetic Patients
		Juan Agustin CORUNA IV (Corazon Locsin Montelibano Memorial Regional Hospital, Philippines)
14:54~15:00	Discussion

Session 7. Ankle Arthritis

Time: 15:30~18:00
Venue: Auditorium

Chairs	Beat HINTERMANN (Center of Excellence for Foot and Ankle Surgery, Kantonsspital Baselland, Switzerland)
	Yoshinori TAKAKURA (Director of Nishinara Central Hospital, Japan)
15:30~15:38	ASY07-01	Proper Indication for Supramalleolar Osteotomy
		Woo Chun LEE (Dubalo Hospital, Republic of Korea)
15:38~15:46	ASY07-02	Preoperative Templating in Ankle Preserving Surgery
		Tanawat VASEENON (Orthopaedic department, faculty of medicine, Chiang Mai University, Thailand)
15:46~15:54	ASY07-03	TAR for Severe Varus or Valgus Ankle
		Yuki TOCHIGI (Dokkyo Medical University Saitama Medical Center, Japan)
15:54~16:02	ASY07-04	Enhancing the Chance of Arthrodesis Union: Ankle and TTC Fusion
		Su-Young BAE (Foot & Ankle Center, Inje University Sanggye-Paik Hospital, Republic of Korea)
16:02~16:08	ASY07-05	Salvage Complication of Post Ankle Fixation
		Yeok Pin CHUA (Sunway Medical Center / Sunway University, Malaysia)
16:08~16:30	Discussion
16:30~16:36	AOP07-01	Comparison of Intermediate-term Prognosis between Surgical and Non-surgical Treatments for Early-stage Osteoarthritis Conjunction with Chronic Ankle Instability
		Byung-Ki CHO (Chungbuk National University Hospital, Republic of Korea)
16:36~16:42	AOP07-02	Effects and Safety of Intra-articular Sodium Hyaluronate Injection for the Treatment of Ankle Osteoarthritis: A Prospective Clinical Trial
		Yu-Seok KIM (Chonnam National University Medical School and Hospital, Republic of Korea)
16:42~16:48	AOP07-03	New Classification and Radiographic Evaluation of Valgus Ankle Osteoarthritis
		Shota HARADA (Fukushima Medical University, Japan)
16:48~16:54	AOP07-04	Patient Satisfaction and Improvement in Patient Reported Outcome Measures 2 Years after Primary Ankle Arthrodesis
		Alexandra UNDÉN (Lund University and Skane University Hospital Malmö, Sweden)
16:54~17:00	AOP07-05	Decreased Reoperation Rate with ABMP in Foot and Ankle Fusions
		Christopher GROSS (Medical University of South Carolina, USA)
17:00~17:06	AOP07-06	Does Gender Influence the Outcomes Of Total Ankle Arthroplasty in Patients with Ankle Osteoarthritis?
		Jong Eun KIM (Chonnam National University Medical School and Hospital, Republic of Korea)
17:06~17:12	AOP07-07	Impact of Surgeon Type on Total Ankle Arthroplasty Readmission, Complication, and Infection Rates
		Hyunkyu KO (University of Utah, USA)
17:12~17:18	AOP07-08	Comparison of Talar Subsidence Rates based on Cut Methodology: Flat-cut Talus versus Chamfer-cut Talus
		Dongoh LEE (SNU Seoul Hospital, Republic of Korea)
17:18~17:24	AOP07-09	Long-term Functional Outcomes and Implant Survivorship of HINTEGRA Total Ankle Arthroplasty: A 10 to 17-Year Follow-up on 120 Consecutive Cases
		Keun-Bae LEE (Chonnam National University, Republic of Korea)
17:24~17:30	AOP07-10	Assessing Plantar Pressure Distribution and Contact Times Following Total Ankle Replacement Surgery
		Mansur HALAI (Unity Health Toronto - St. Michael's Hospital, Canada)
17:30~17:36	AOP07-11	Salvage Procedures for Failed Total Ankle Arthroplasty: Failure Rates, Clinical Outcome, and Progression of Subtalar Arthritis
		Markus WALTHER (Schön Klinik München Harlaching - FIFA Medical Centre of Excellence, Germany)
17:36~17:42	AOP07-12	Tibiotalocalcaneal Arthrodesis – Outcomes following Early Dynamization with Dynamically Locked Nails versus Conventional Statically Locked Nails
		Choon Chiet HONG (National University Hospital of Singapore, Singapore)
17:42~18:00	Discussion

Session 8. Sports Related Injury

Time: 15:30~18:00
Venue: ASEM Ballroom 202+203

Chairs	Myoungjin LEE (Dong-A University Hospital, Republic of Korea)
	Hajo THERMANN (ATOS Clinic, Germany)
15:30~15:38	ASY08-01	Management of Intractable Plantar Fasciitis
		Bavornrit CHUCKPAIWONG (Siriraj Hospital, Mahidol University, Thailand)
15:38~15:46	ASY08-02	Microinstability (How to Make the Diagnosis and How to Treat it?)
		Ken Jin TAN (Orthosports, Singapore)
15:46~15:54	ASY08-03	Free Tendon Graft for Lateral Ankle Instability
		Jae Hoon AHN (Seoul St. Mary's Hospital, Republic of Korea)
15:54~16:02	ASY08-04	Achilles Tendon Rupture: Operative or Nonoperative Treatment: Current Evidences
		Youichi YASUI (Teikyo University School of Medicine, Japan)
16:02~16:08	ASY08-05	Proper Rehabilitation Protocol and the Level of Functional Restoration after Achilles Tendon Rupture
		Antonio DALMAU (Centro Médico Teknon, Spain)
16:08~16:30	Discussion
16:30~16:36	AOP08-01	Effect of Bone Morphogenetic Protein–2 Combined with Microfracture for Osteochondral Defect of the Talus in a Rabbit Model
		Dong Hee KIM (Jeonbuk National University Hospital, Republic of Korea)
16:36~16:42	AOP08-02	Arthroscopic Microfracture for Osteochondral Lesions of the Talus : Functional Outcomes at a Mean of 6.7 Years in 165 Consecutive Ankles
		Seung-Won CHOI (Unam hankook hospital, Republic of Korea)
16:42~16:48	AOP08-03	Impact of Early Weightbearing after Autologous Osteochondral Transplantation for Osteochondral Lesion of the Talus– A Systematic Review and Meta-analysis
		Choon Chiet HONG (National University Hospital of Singapore, Singapore)
16:48~16:54	AOP08-04	Bone Marrow Aspirate Concentrate and Scaffold for Large Osteochondral Lesion of the Talus: Satisfactory Clinical Outcome
		JongMin YOO (Yonse Gunwoo Hospital, Republic of Korea)
16:54~17:00	AOP08-05	Tortuosity Angle of a Calcaneofibular Ligament on MRI and Stress View
		Sang Bum KIM (Sejong Sports Medicine & Performance Center, Republic of Korea)
17:00~17:06	AOP08-06	Do Standardizing the Procedure Reduce Measurement Variability of the Sonographic Ankle Anterior Drawer Test?
		Satoshi YAMAGUCHI (Chiba University, Japan)
17:06~17:12	AOP08-07	Clinical Outcomes of Arthroscopic Lateral Ankle Ligament Reconstruction Chronic Ankle Instability: A Prospective Series with Minimum 12 Month Outcomes
		Robbie RAY (King's College Hospital NHS Trust, United Kingdom)
17:12~17:18	AOP08-08	Is Internal Brace Augmentation (IBA) better than Isolated Modified Brostrom Gould (MBG) Repair for Chronic Lateral Ligament Injury: Effect on Functional Outcome and Return to Preinjury Activity. A Retrospective Analysis
		Rajiv LIMAYE (University Hospital of North Tees and Hartlepool, United Kingdom)
17:18~17:24	AOP08-09	A Novel Measurement Method for Anterior Drawer Stress Radiograph in Chronic Ankle Instability: Fibular Tip To Talar Neck
		Hyun-Woo PARK (Dankook University College of Medicine, Republic of Korea)
17:24~17:30	AOP08-10	Posterior Ankle Impingement: It Is not only about the Os Trigonum
		John FEMINO (University of Iowa Hospitals and Clinics, USA)
17:30~17:36	AOP08-11	Association of Radiologic Pathologies and Parameters with Insertional Achilles Tendinopathy
		Adriel You Wei TAY (Singapore General Hospital, Singapore, Singapore)
17:36~17:42	AOP08-12	The Association between Refractory Plantar Fasciitis and Insertional Achilles Tendinopathy and Peripheral Spondyloarthritis: A Report of HLA-B27 Investigation and Treatment Outcome
		Young Ho JUNG (Inje University Ilsan Paik Hospital, Republic of Korea)
17:42~18:00	Discussion

Secretariat of IFFAS 2024 (Korean Foot & Ankle Society)

Korean Foot & Ankle Society Hyung JIn Chung 206-82-70100 #313 24-1, Sanggye-ro 10-gil, Nowon-gu, Seoul, Republic of Korea
E-mail. info@iffas2024korea.com

Chairs	Jinwha CHUNG (The Catholic University of Korea, Bucheon St. Mary’s Hospital, Republic of Korea)
	Bryan DEN HARTOG (Twin Cities Orthopedics, USA)
08:00~08:08	ISY01-01	Current Concept of the Management of Calcaneal Fractures
		Christian RODEMUND (Workers Compensation Board Austria - AUVA, Austria)
08:08~08:16	ISY01-02	Current Concepts in the Management of Talus Fractures
		John KWON (Massachusetts General Hospital, USA)
08:16~08:24	ISY01-03	Evaluation and Treatment Strategy for the Lisfranc Injury
		Yanyu CHEN (Show-Chwan Memorial Hospital, Taiwan)
08:24~08:32	ISY01-04	Chopart Injuries
		Tony DANESH-CLOUGH (Health New Zealand, New Zealand)
08:32~08:40	ISY01-05	Management of the 5th Metatarsal Base Fractures
		Cristian ORTIZ (Clínica Universidad de los Andes, Chile)
08:40~09:00	Discussion
09:00~09:06	IOP01-01	Role of First Cuneometatarsal Ligaments and Lisfranc Ligament in First Cuneometatarsal Instability. A Cadaveric Study.
		Felipe PINO (CLINICA SANTA MARIA, Chile)
09:06~09:12	IOP01-02	A Comparative Study of Residual Diastases in Acute Lisfranc Fracture-Dislocation: Dorsoplantar Miniscrew Fixation of the Second Metatarsal Base Fracture vs. Conventional Lisfranc Screw Fixation
		Young Ho JUNG (Inje University Ilsan Paik Hospital, Republic of Korea)
09:12~09:18	IOP01-03	Patterns of Lisfranc Injuries Resulting from Low-energy Trauma: A Comparison of Radiographic and Intraoperative Findings
		M. Truitt COOPER (University of Virginia, USA)
09:18~09:24	IOP01-04	Beyond Clinical Factors: The Role of Social Determinants of Health in Recovery from Lisfranc Injuries
		Sora SOHN (Foot and Ankle Research and Innovation Laboratory (FARIL), USA)
09:24~09:30	IOP01-05	Clinical Outcomes of Lisfranc Injuries Treated with a Flexible Augmentation Device
		Christopher KREULEN (UC Davis Health, USA)
09:30~09:36	IOP01-06	The Avascular Necrosis of the Talus and the Post-traumatic Arthritis around the Talar Joint After Surgical Treatment of the Talar Neck Fracture
		Jae Wan SUH (National Health Insurance Service Ilsan Hospital, Republic of Korea)
09:36~09:42	IOP01-07	Bone Defects After Surgery for Displaced Intraarticular Calcaneal Fractures Spontaneously Improve without Bone Grafting
		Young Hwan PARK (Korea University Guro Hospital, Republic of Korea)
09:42~09:48	IOP01-08	Strut Allograft for Calcaneal Fractures: Does Conventional Buttress Plate or Anatomical Locking Plate Really Matters?
		Chien-Ming CHIN (Department of Orthopedics, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien,, Taiwan)
09:48~10:00	Discussion

Chairs	Martinus RICHTER (Hospital Rummelsberg, Germany)
	Samuel ADAMS (Duke University, USA)
08:00~08:08	ISY02-01	Orthobiologics in Foot and Ankle: When to Use
		Sheldon LIN (Rutgers New Jersey Medical School, USA)
08:08~08:16	ISY02-02	Pathophysiology of Osteolysis Following TAR
		Seung Hwan HAN (Yonsei University College of Medicine, Republic of Korea)
08:16~08:24	ISY02-03	Pathophysiology of Tendinopathy
		Helen RAWLINSON (NZFAS, New Zealand)
08:24~08:32	ISY02-04	Biologic Response of ESWT
		Javier DEL VECCHIO (Fundación Favaloro - Hospital Universitario, Argentina)
08:32~08:40	ISY02-05	PRP and Stem Cells: What is the Evidence?
		Fabian KRAUSE (Inselspital, University of Berne, Switzerland)
08:40~09:00	Discussion
09:00~09:06	IOP02-01	Platelet-rich fibrin (PRF) Accelerates the Healing of Achilles Tendon Defect by Promoting the Proliferation and Activation of Tenocytes via FGFR/AKT and TGF-β/SMAD3 Signaling
		Yoshiyuki SENGA (Mie University, Japan)
09:06~09:12	IOP02-02	The Role of RANKL/OPG ratio in Synovial Fluid as Potential Marker for Periprosthetic Osteolysis following Total Ankle Arthroplasty
		Ji-Eun SONG (Chonnam National University Hospital, Republic of Korea)
09:12~09:18	IOP02-03	Managing Melioidosis Bone and Joint Infections
		Parvati DADWAL (Cairns Hospital, Australia)
09:18~09:24	IOP02-04	Additive Manufacturing Three-dimensional Printing of β beta-Tricalcium Phosphate Scaffolds for Bone Regeneration
		Jose Javier LLORENTE (Hospital POVISA, Spain)
09:24~09:30	IOP02-05	Ankle Osteoarthritis, Transcriptome, Digital histopathology, Outerbridge Score
		Kenneth HUNT (The University of Colorado, USA)
09:30~09:36	IOP02-06	Sex Differences in Distance Between the Talus and Lateral Malleolus during the Stance Phase of Gait in Healthy Adults using Ultrasound
		Ayano ISHIDA (Graduate School of Biomedical and Health Sciences, Hiroshima University, Japan)
09:36~09:42	IOP02-07	Pathological Kinematic Patterns of the Tarsal Complex in Stage II Adult-Acquired Flatfoot Deformity
		Chen WANG (Huashan Hospital affiliated to Fudan Univeristy, China)
09:42~09:48	IOP02-08	3D Gait Analysis of Children with Treated Idiopathic Congenital Talipes Equinovarus Following Completion of Ponseti Method of Treatment
		Mayuri GAD (Xavier Institute of Engeerning, India)
09:48~10:00	Discussion

Chairs	Il-Hoon SUNG (Hanyang University Hospital, Republic of Korea)
	Cesar DE CESAR NETTO (Duke University, USA)
10:30~10:38	ISY03-01	Conventional or Minimal Invasive Surgery for Hallux Valgus: Update of Current Evidences
		Bonnie CHIEN (Columbia University Medical Center, USA)
10:38~10:46	ISY03-02	When to Perform an Arthrodesis in Hallux Valgus: MTP or Lapidus
		Paulo FERRAO (University of the Witwatersrand, South Africa)
10:46~10:54	ISY03-03	Management of Complications Following Hallux Valgus Surgery
		Peng Ju HUANG (Kaohsiung Municipal Siaogang Hospital / Kaohsiung Medical University, Taiwan)
10:54~11:02	ISY03-04	Joint Preserving Procedures for Hallux Rigidus.
		Juan YAÑEZ (Austral University Hospital, Argentina)
11:02~11:10	ISY03-05	Salvage Procedures for Hallux Rigidus: Fusion or Replacement?
		Mostafa BENYAHIA (Hvidovre University Hospital, Denmark)
11:10~11:30	Discussion
11:30~11:36	IOP03-01	MIBA Osteotomy versus Open Technique in Hallux Valgus Surgery: Results of a Randomized Prospective Study
		Mario ESCUDERO (Hospital Clínico Universidad de Chile, Chile)
11:36~11:42	IOP03-02	Progressive First Metatarsal Shortening following Allograft Interpositional Arthroplasty in Hallux Rigidus
		Aly FAYED (University of Iowa, USA)
11:42~11:48	IOP03-03	Effects of the Proximal First Metatarsal Osteotomy for Hallux Valgus on the Vertical Mobility of the First Tarsometatarsal Joint During Gait
		Yasunari IKUTA (Hiroshima University Hospital, Japan)
11:48~11:54	IOP03-04	Anatomy of Flexor Hallucis Longus and its Relationship with Hallux Valgus. A Cadaveric Study.
		Felipe CHAPARRO (Clinica Universidad de Los Andes, Chile)
11:54~12:00	IOP03-05	Ultrasonography-based Quantitative Evaluation of Second Metatarsophalangeal Joint Instability in Female Patients with Hallux Valgus
		Hiroaki SHIMA (Osaka Medical and Pharmaceutical University, Japan)
12:00~12:06	IOP03-06	The Relationship between the Relative Length of the Second Metatarsal and Metatarsalgia in Patients with Hallux Valgus
		Kosho TOGEI (Department of Orthopedic Surgery, Japan)
12:06~12:12	IOP03-07	The Role of First Tarsometatarsal Joint Morphology and Instability in the Etiology of Hallux Valgus: A Case-control Study
		Mingzhu ZHANG (Beijing Tongren Hospital, Capital Medical University, China)
12:12~12:18	IOP03-08	Morphology Study of the 1st TMT Joint using 3D Surface Mapping Technology
		Shuyuan LI (University of Colorado School of Medicine, USA)
12:18~12:30	Discussion

Chairs	J. Chris COETZEE (Twin Cities Orthopedics, USA)
	TBC
10:30~10:38	ISY04-01	Ankle Fusion vs Arthroplasty: Current Evidences.
		Dean PEPPER (Port Macquarie Hospital, Australia)
10:38~10:46	ISY04-02	Indications for TTC Rather Than Isolated Ankle Arthrodesis and Is There a Difference in Surgical Outcome?
		Bryan DEN HARTOG (Twin Cities Orthopedics, USA)
10:46~10:54	ISY04-03	Open or Arthroscopic Ankle Fusion
		Jorge FILIPPI (Pontifical Catholic University, Chile)
10:54~11:02	ISY04-04	Complications in Ankle Fusion. What to Do?
		Yuan ZHU (Shanghai Ruijin Hospital, China)
11:02~11:10	ISY04-05	Distraction Arthroplasty: For Whom and How to Get It Right?
		ANTONIO DALMAU (Centro Médico Teknon, Spain)
11:10~11:30	Discussion
11:30~11:36	IOP04-01	Clinical Outcomes of Surgical Treatment for End-stage Ankle Osteoarthritis in Patients Aged ≥75 Years: A Multicenter, Retrospective Study
		Kentaro AMAHA (St Luke's International Hospital, Japan)
11:36~11:42	IOP04-02	New Classification and Surgical Treatment of Valgus Ankle Osteoarthritis
		Yukinobu NISHII (CHIKAMORI Hospital, Japan)
11:42~11:48	IOP04-03	Arthroscopic Ankle Arthrodesis: Factors Influencing Union in 102 Consecutive Patients
		Chiyoung YOON (Seoul St. Mary's Hospital, Republic of Korea)
11:48~11:54	IOP04-04	Surgical Technique and Early Outcomes of Posterior Incision Ankle Arthrodesis
		Hongmou ZHAO (Honghui Hospital of Xi'an Jiaotong University, China)
11:54~12:00	IOP04-05	Ankle Arthrodesis using Medial Malleolar Osteotomy
		Yoon Hyo CHOI (Seoul National University Bundang Hospital, Republic of Korea)
12:00~12:06	IOP04-06	How Surgeon Type Affects Costs and Complications after Ankle Arthrodesis
		Hyunkyu KO (University of Utah, USA)
12:06~12:12	IOP04-07	Outcomes following Total Ankle Replacement and Ankle Arthrodesis for the Management of Hemophilic Ankle Arthropathy: A Systematic Review
		James BUTLER (NYU Langone Health, USA)
12:12~12:18	IOP04-08	A Comparison of Tibiotalocalcaneal Hindfoot Fusion Nails: Dynamic Nitinol Compression Versus Static Compression
		Christopher KREULEN (UC Davis Health, USA)
12:18~12:30	Discussion

Chairs	BEAT HINTERMANN (Center of Excellence for Foot and Ankle Surgery, Kantonsspital Baselland, Switzerland)
	Mark EASLEY (North American Federation of Foot and Ankle Surgeons (NAFFAS), USA)
13:30~13:38	ISY05-01	Fixed or Mobile?
		Peter STAVROU (AOA National Joint Replacement Registry, Australia)
13:38~13:46	ISY05-02	Anterior or Transfibular Approach?
		Lew SCHON (Mercy Medical Center / Johns Hopkins University, USA)
13:46~13:54	ISY05-03	TAR for Severe Varus or Valgus Ankle
		Victor VALDERRABANO (SWISS ORTHO CENTER, Switzerland)
13:54~14:02	ISY05-04	Total Talar Replacement: Knowledge Update
		Akira TANIGUCHI (Nara Medical University, Japan)
14:02~14:10	ISY05-05	What is the Best Ankle System in the Market?
		Santiago GUERRERO (Hospital de San José, Colombia)
14:10~14:30	Discussion
14:30~14:36	IOP05-01	Trends in Revision Total Ankle Replacement from 2010 to 2020
		Sean PEDEN (Yale School of Medicine, USA)
14:36~14:42	IOP05-02	Lessons from Revision Total Ankle Replacement: Tibias Fail Early, and Taluses Fail Late (and Fail Again)
		Jensen HENRY (Hospital for Special Surgery, USA)
14:42~14:48	IOP05-03	Effect of Diabetes Mellitus on the Outcomes of Total Ankle Arthroplasty: Is Controlled Diabetes Mellitus a Risk Factor?
		Yu-Seok KIM (Chonnam National University Medical School and Hospital, Republic of Korea)
14:48~14:54	IOP05-04	Comparison of Outcomes Between Fixed and Mobile-bearing Total Ankle Arthroplasty: A Systematic Review and Meta-analysis
		James BUTLER (NYU Langone Health, USA)
14:54~15:00	IOP05-05	Change of Segmental Motion following Total Ankle Arthroplasty using a Three-dimensional Multi-segment Foot Model
		Gil Young PARK (SNU Seoul Hospital, Republic of Korea)
15:00~15:06	IOP05-06	Effects of Ankle Arthrodesis versus Total Ankle Arthroplasty on Patient´s Shoe-wear – What Fits Better?
		Madeleine WILLEGGER (Dept. of Orthopaedics and Trauma Surgery - Medical University of Vienna, Austria)
15:06~15:12	IOP05-07	Preoperative Incongruent Subtalar Joint Predicts Less Favorable Clinical Outcome in Total Ankle Arthroplasty
		Min Gyu KYUNG (Seoul National University Hospital, Republic of Korea)
15:12~15:18	IOP05-08	One-stage Bilateral Total Ankle Replacement in Hemophilic Patients: National Referral Center Experience
		Mario ESCUDERO (Hospital Clínico Universidad de Chile, Chile)
15:18~15:30	Discussion

Chairs	Peng Ju HUANG (Kaohsiung Municipal Siaogang Hospital / Kaohsiung Medical University, Taiwan)
	Yves TOURNÉ (Centre Ostéo-articulaire des Cèdres-Echirolles, France)
13:30~13:38	ISY06-01	Ultrasound Guided Surgery in Foot and Ankle Field
		YASUHITO TANAKA (Nara Medical University, Japan)
13:38~13:46	ISY06-02	What is New in Biological Therapy?
		MaCalus HOGAN (UPMC_University of Pittsburgh Medical Center, USA)
13:46~13:54	ISY06-03	Weight Bearing CT: What We Can See More with It
		François LINTZ (Clinique de l'Union, Ramsay Santé, France)
13:54~14:02	ISY06-04	Management Options in Isolated Lesions of the Syndesmosis
		Giovanni CARCURO (Clínica Universidad de los Andes, Chile)
14:02~14:10	ISY06-05	What is New Biomaterial?
		Samuel ADAMS (Duke University, USA)
14:10~14:30	Discussion
14:30~14:36	IOP06-01	Identification and Analysis of the Ankle Microbiome using Next-generation DNA Sequencing: An Observational Analysis
		Christopher GROSS (Medical University of South Carolina, USA)
14:36~14:42	IOP06-02	Results of more than 20,000 Scans with Weightbearing CT - Impact on Costs, Radiation Exposure, and Procedure Time
		Martinus RICHTER (Hospital Rummelsberg, Germany)
14:42~14:48	IOP06-03	Safe Zones Analysis for Lateral Column Lengthening using Weightbearing CT and Distance Mapping
		Cristian INDINO (Humanitas San Pio X - Milano, Italy)
14:48~14:54	IOP06-04	Resilience is Associated with Improved Patient-reported Outcomes following Foot and Ankle Surgery
		Kenneth HUNT (The University of Colorado, USA)
14:54~15:00	IOP06-05	Transforming Steps: A Glimpse into the Future of Gait Analysis with Deep Learning and Markerless Motion Capture
		Youn-Ho CHOI (The Catholic University of Korea, College of Medicine, Republic of Korea)
15:00~15:06	IOP06-06	Comparative Postoperative Outcomes between Positive and Negative Electrodiagnosis in Patients with Tarsal Tunnel Syndrome: A Retrospective Comparative Study
		Yantarat SRIPANICH (Phramongkutklao hospital, Thailand)
15:06~15:12	IOP06-07	The Density-weighted Foot Center is Different to the Geometric Foot Center
		François LINTZ (Clinique de l'Union, Ramsay Santé, France)
15:12~15:18	IOP06-08	Efficacy of Prophylactic Anticoagulation in Preventing Postoperative Deep Vein Thrombosis Following Foot and Ankle Surgery
		Young Wook SEO (Ajou University Hospital, Ajou University School of Medicine, Republic of Korea)
15:18~15:30	Discussion

Chairs	Yoshinori TAKAKURA (Director of Nishinara Central Hospital, Japan)
	Woo Chun LEE (Dubalo Hospital, Republic of Korea)
16:00~16:08	ISY07-01	Indications and Optimization of Supramalleolar Osteotomies
		Andrea VELJKOVIC (University of British Columbia, Canada)
16:08~16:16	ISY07-02	Current Evidences for Osteotomy Surgeries: Above or Below Ankle?
		BEAT HINTERMANN (Center of Excellence for Foot and Ankle Surgery, Kantonsspital Baselland, Switzerland)
16:16~16:24	ISY07-03	Surgical Management of Valgus or Lateral Ankle Arthritis
		Matthew TOMLINSON (Counties Manukau Health, New Zealand)
16:24~16:32	ISY07-04	Correction of Angular Deformities with External Fixation
		Gonzalo BASTIAS (Hospital del Trabajador, Chile)
16:32~16:40	ISY07-05	Joint Preserving Osteotomy for Malunited Ankle Fractures
		Xiangyang XU (Ruijin Hospital, China)
16:40~17:00	Discussion
17:00~17:06	IOP07-01	Correction Target and Necessity of Valgus Overcorrection in Supramalleolar Osteotomy
		SeungMyung CHOI (Bundang CHA Medical Center, Republic of Korea)
17:06~17:12	IOP07-02	Plain Ankle Radiographs Underestimate Valgus Tibiotalar Tilt in Progressive Collapsing Foot Deformity: A Comparative Analysis with WBCT
		Jaeyoung KIM (Baylor University Medical Center, USA)
17:12~17:18	IOP07-03	Improvement of the Ankle Joint Instability after Distal Tibial Oblique Osteotomy (DTOO) for the Treatment of Varus Ankle Osteoarthritis (OA)
		Tsukasa TERAMOTO (FUKUSHIMA medical University, Japan)
17:18~17:24	IOP07-04	Changes in the Subtalar Joint Alignment after Supramalleolar Osteotomy for Varus Ankle Arthritis
		Mingzhu ZHANG (Beijing Tongren Hospital, Capital Medical University, China)
17:24~17:30	IOP07-05	Early Results of Intramedullary Nail Fixation in Distal Tibia Oblique Osteotomy for the Reduction of Soft Tissue Complications
		Itaru MOROHASHI (Orthopedic Surgery, Japan)
17:30~17:40	Discussion

Chairs	RODRIGO ASTOLFI (ABTPE, Brazil)
	Karl LALONDE (University of Ottawa, Canada)
16:00~16:08	ISY08-01	Operative or Non-operative Treatment: Current Evidences
		Mark GLAZEBROOK (Dalhousie University & Queen Elizabeth II Health Sciences Center, Canada)
16:08~16:16	ISY08-02	Proper Rehabilitation and the Level of Functional Restoration
		Ki-Sun SUNG (Sungkyunkwan University School of Medicine Samsung Medical Center, Republic of Korea)
16:16~16:24	ISY08-03	How to Speed Up Return to Sport
		Gerard HARDISTY (Western Orthopaedic Clinic, Australia)
16:24~16:32	ISY08-04	Chronic Rupture; My Preferred Approach
		Jean-Luc BESSE (Lyon I University Hospital, France)
16:32~16:40	ISY08-05
		TBC
16:40~17:00	Discussion
17:00~17:06	IOP08-01	Does Intra-Tendinous PRP Injection Post-Surgery Enhance Acute Achilles Tendon Rupture Recovery? A Comprehensive, Double-Blind, Placebo-Controlled Trial
		Youichi YASUI (Department of Orthopaedic Surgery, Teikyo University School of Medicine, Japan)
17:06~17:12	IOP08-02	Absorbable versus Nonabsorbable Sutures for the Krackow Suture Repair of Acute Achilles Tendon Rupture: A Prospective Randomized Controlled Trial
		Woon KIM (Korea University Guro Hospital, Republic of Korea)
17:12~17:18	IOP08-03	Minimally Invasive Surgery for Distal Achilles Tendon Repair using Suture Relay Technique with Ultrasound Guidance
		Tung-Ying LEE (Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan)
17:18~17:24	IOP08-04	Conservative Treatment Outcomes for Achilles Tendon Re-rupture Occurring in the Subacute Phase after Primary Repair
		Jun Young CHOI (Inje University Ilsan Paik Hospital, Republic of Korea)
17:24~17:30	IOP08-05	Non-operative Treatment for Acute Achilles Tendon Rupture: Evaluation of Clinical Results and Tendon Morphological Changes on Magnetic Resonance Imaging
		Toshito YASUDA (Osaka Medical and Pharmaceutical University, Japan)
17:30~17:40	Discussion

Chairs	In Tak CHU (Yonsei Gunwoo Hospital, Republic of Korea)
	Mark GLAZEBROOK (Dalhousie University & Queen Elizabeth II Health Sciences Center, Canada)
08:00~08:08	ISY09-01	Evaluation and Management of Sesamoid Problems
		Markus WALTHER (Schön Klinik München Harlaching - FIFA Medical Centre of Excellence, Germany)
08:08~08:16	ISY09-02	Metatarsalgia: Not a Simple Problem
		RODRIGO ASTOLFI (ABTPE, Brazil)
08:16~08:24	ISY09-03	Lesser Toe MP Instability and Its Management: Plantar Plate Repair and Weil Osteotomy
		John NEGRINE (Orthosports, Australia)
08:24~08:32	ISY09-04	Rheumatoid Forefoot Reconstruction
		Hisateru NIKI (St. Marianna University School of Medicine, Japan)
08:32~08:40	ISY09-05	Revision Lesser Toe Surgery and Midshaft Shortening Osteotomies
		Scott ELLIS (HSS, USA)
08:40~09:00	Discussion
09:00~09:06	IOP09-01	The Integrity of the First Metatarsal Head Vascularization and Soft-Tissue Envelope Following Minimally Invasive Chevron Osteotomy for Hallux Valgus (HV) Deformity
		Alexandre GODOY-SANTOS (University of Sao Paulo, Brazil)
09:06~09:12	IOP09-02	Three-dimensional Assessment to Hallux Valgus Correction using Lapicotton Technique
		Ki Chun KIM (Seoul Medical Center, Republic of Korea)
09:12~09:18	IOP09-03	Radiologic Evaluation of the Open Repair of a Torn Plantar Plate through a Plantar Approach for the Dislocated Metatarsophalangeal Joint of the Lesser Toe
		Jaehyeon SEO (Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine,Seoul, Republic of Korea)
09:18~09:24	IOP09-04	Evaluating the Outcomes of using an Anti-inflammatory Injection with Minimal Dosing of a Corticosteroid into the Interdigital Neuroma
		Jae Hyuck CHOI (Daegu manjok foot & ankle Clinic, Republic of Korea)
09:24~09:30	IOP09-05	Is There a Tolerance for Extension of the First Metatarsal after the Lapidus Procedure? A Clinical, Functional and Hindfoot Radiographic Analysis
		Marcelo Pires PRADO (Hospital Israelita Albert Einstein, Brazil)
09:30~09:40	Discussion

Chairs	Kyung Jin CHOI (Choi's Orthopedics, Republic of Korea)
	Rhett MASON (Christchurch Hospital, New Zealand)
08:00~08:08	ISY10-01	Evaluation and Consequences of Tight Heel Cord
		Dong Yeon LEE (Seoul National University Hospital, Republic of Korea)
08:08~08:16	ISY10-02	Comparison of Various Release Procedures: Efficacy and Side Effects
		Manuel MONTEAGUDO (Hospital Universitario Quironsalud Madrid / Faculty Medicine UEM Madrid, Spain)
08:16~08:24	ISY10-03	Management of Achilles Tendinopathy
		Karl LALONDE (University of Ottawa, Canada)
08:24~08:32	ISY10-04	Management of Intractable Plantar Fasciitis.
		Jason CRANE (MediClinic CapeTown, South Africa)
08:32~08:40	ISY10-05	What to Do for the Lengthened Tendon
		Gabriel KHAZEN (Hospital de Clinicas Caracas, Venezuela)
08:40~09:00	Discussion
09:00~09:06	IOP10-01	Discrepancies in Pedobarography between Affected and Unaffected Sides in Patients with Plantar Fasciitis
		Jahyung KIM (Seoul National University Hospital, Republic of Korea)
09:06~09:12	IOP10-02	The Treatment of Plantar Fibromatosis with Radiotherapy
		Jordy WHITE (Cairns Base Hospital, Australia)
09:12~09:18	IOP10-03	The Size of Haglund’s Deformity does not Matter to Insertional Achilles Tendinopathy: A Matched Case Control Study
		Wonyong LEE (Guthrie Clinic, USA)
09:18~09:24	IOP10-04	Return to Sport after Insertional Achilles Tendinosis Surgery in Recreational Athletes
		Francisco Guillermo CASTILLO-VAZQUEZ (Adelaide OrthoSports Clinic, Australia)
09:24~09:30	IOP10-05	Complications following Surgical Management of Haglund’s Triad: A Retrospective, Single-center Analysis
		Jennifer SO (University of Florida College of Medicine - Jacksonville, FL, USA)
09:30~09:40	Discussion

Chairs	TBC
	GRAHAM McCOLLUM (University of Cape Town, South Africa)
10:10~10:18	ISY11-01	PCFD When Soft Tissue Reconstruction.
		Carlo Angelo BORBON (Philippine Orthopaedic Foot and Ankle Society, Philippines)
10:18~10:26	ISY11-02	PCFD: Osteotomies vs Fusions
		Cesar DE CESAR NETTO (Duke University, USA)
10:26~10:34	ISY11-03	Tendon Transfers in Cavovarus (My Approach).
		Emilio WAGNER (Clinica Alemana de Santiago, Chile)
10:34~10:42	ISY11-04	Cavovarus Surgery: Osteotomy vs Fusion
		Kristian BUEDTS (ZNA, Belgium)
10:42~10:50	ISY11-05	Complications in Flatfoot and Cavus Surgery
		Rhett MASON (Christchurch Hospital, New Zealand)
10:50~11:10	Discussion
11:10~11:16	IOP11-01	Joint Kinematics after Peroneus Brevis to Longus Transfer for Treatment of Progressive Collapsing Foot Deformity
		Matthew CONTI (Hospital for Special Surgery, USA)
11:16~11:22	IOP11-02	Posterior Tibial Tendon Tendoscopy and Medializing Calcaneal Osteotomy for Stage IA Progressive Collapsing Foot Deformity
		Daniel SARAIVA (Hospital da Prelada, Portugal)
11:22~11:28	IOP11-03	Conservative Treatment with Ankle-foot orthosis does not Correct Progressive Collapsing Foot Deformity
		Caleb IEHL (University of Iowa, USA)
11:28~11:34	IOP11-04	Outcomes of Medial Longitudinal Arch Stabilization without Tarsometatarsal Arthrodesis for Non-traumatic Tarsometatarsal Arthritis associated with Progressive Collapsing Flatfoot Deformity
		Hansol MOON (Dongguk University Gyeongju Hospital, Gyeongju, Republic of Korea)
11:34~11:40	IOP11-05	How does Lateral Column Lengthening Correct the Arch?
		Mohamed MOKHTAR (Ain shams university, cairo, Egypt)
11:40~11:46	IOP11-06	Supramalleolar Osteotomy in Conjunction with Progressive Collapsing Foot Deformity Reconstruction for PCFD IE
		Naoki HARAGUCHI (St. Marianna University Yokohama Seibu Hospital, Japan)
11:46~11:52	IOP11-07	Tibialis Anterior or Posterior Tendon Transfer to Peroneus Tertius for Equinovarus Deformity
		Quan Yu DONG (The affiliated Hospital of Qingdao University, China)
11:52~11:58	IOP11-08	3D Assessment of Residual Deformity in Adult Clubfoot Patients Treated with the Ponseti Technique and Its Relationship with Patient Reported Outcomes
		Cesar DE CESAR NETTO (Duke University, USA)
11:58~12:10	Discussion

Chairs	Heui Chul GWAK (BUSAN GUNWOO, Republic of Korea)
	Juan YAÑEZ (Austral University Hospital, Argentina)
10:10~10:18	ISY12-01	Proper Management of High Energy Type Pilon Fracture
		Hui ZHANG (Beijing Tongren Hospital, Capital Medical University, China)
10:18~10:26	ISY12-02	Operation Indication of Malleolar Fracture
		Joris HERMUS (Maastricht University Medical Center, Netherlands)
10:26~10:34	ISY12-03	Indication for Deltoid Ligament Repair
		Joseph PARK (University of Virginia, USA)
10:34~10:42	ISY12-04	Knowledge Update for Syndesmotic Injury
		David SHEPHERD (Melbourne Orthopaedic Group, Australia)
10:42~10:50	ISY12-05	How I Decide Treatment for Posterior Malleolar Fractures.
		Manuel J PELLEGRINI (Clinica Universidad de los Andes, Chile)
10:50~11:10	Discussion
11:10~11:16	IOP12-01	Syndesmosis Evaluation under WBCT: 3rd Base to Get a Cut-off Point to Diagnosis
		Nicolas PROTASOWICKI (Clinica Universidad de los Andes, Chile)
11:16~11:22	IOP12-02	Is Direct Fixation Effective for Anterior Tibiofibular Ligament Avulsion Fracture Associated with Rotational Ankle Fractures?
		Woo Jong KIM (Soonchunhyang University Hospital Cheonan, Republic of Korea)
11:22~11:28	IOP12-03	Analysis of Radiologic Changes Using CT Scan after Treatment with TightRope in Syndesmosis Injury
		Bi O JEONG (College of Medicine, Kyung Hee University, Republic of Korea)
11:28~11:34	IOP12-04	Validity of the Center-center Method for the Syndesmotic Fixation Axis Compared to the Trans-syndesmotic Axis
		Seiji KIMURA (Chiba University, Japan)
11:34~11:40	IOP12-05	Syndesmotic Benchmarks in Normal Ankles a Comparative Analysis under Weight-bearing Computed Tomography
		Alex REDLICH (Universidad de la Frontera, Chile)
11:40~11:46	IOP12-06	The Influence of Multiplanar Talar Displacement on Articular Contact Mechanics: A 3D Finite Element Analysis Study Utilizing Weight-Bearing CT
		John KWON (Massachusetts General Hospital, Harvard Medical School, USA)
11:46~11:52	IOP12-07	Is There Any Synergistic Effect of Perioperative use of Pregabalin in addition to Naproxen in Ankle Fractures? A Prospective, Randomized, Multicenter Study
		Dong Woo SHIM (Severance Hospital, Yonsei University College of Medicine, Republic of Korea)
11:52~11:58	IOP12-08	Bone Transport to Arthrodesis for Ankle and Hindfoot Osseous Defects
		Gonzalo BASTIAS (Hospital del Trabajador, Chile)
11:58~12:10	Discussion

Chairs	Kyungtai LEE (KT Lee`s Orthopedic Hospital, Republic of Korea)
	Sheldon LIN (Rutgers New Jersey Medical School, USA)
13:50~13:58	ISY13-01	Surgical Indication in Acute Lateral Ankle Sprain
		GRAHAM MCCOLLUM (University of Cape Town, South Africa)
13:58~14:06	ISY13-02	Does an Augmented Repair Allow for Accelerated Return to Sport?
		Yves TOURNÉ (Centre Ostéo-articulaire des Cèdres-Echirolles, France)
14:06~14:14	ISY13-03	Repair vs Reconstruction: Is Reconstruction Really Necessary in View of the Fate of Graft?
		Sergio ABELLO (Clinica Marly, Colombia)
14:14~14:22	ISY13-04	The Necessity of Different Surgical Management for Elite Athletes
		J. Chris COETZEE (Twin Cities Orthopedics, USA)
14:22~14:30	ISY13-05	Knowledge Update for Syndesmosis
		Atsushi TERAMOTO (Sapporo Medical University, Japan)
14:30~14:50	Discussion
14:50~14:56	IOP13-01	Complete Tear of Ankle Ligaments: Is Full Recovery Possible?
		Jin Su KIM (Sejong Sports Medicine & Performance Center, Republic of Korea)
14:56~15:02	IOP13-02	Relationship between Pain and Intra-articular Pathology in Patients with Chronic Lateral Ankle Instability
		Tomoyuki NAKASA (Hiroshima University, Japan)
15:02~15:08	IOP13-03	Clinical Results of All-inside lateral Ankle Ligament Complex Repair were Comparable to Open Brostrom Procedure in high-Demand Patients with Chronic Ankle Instability: Randomized controlled study
		Sung Hyun LEE (SCHOOL OF MEDICINE, WONKWANG UNIVERSITY, Republic of Korea)
15:08~15:14	IOP13-04	Outcomes and Complications of ArthroBrostrom All-Inside versus Inside-Out Techniques: A Prospective Randomized Controlled Study
		Chamnanni RUNGPRAI (Phramongkutklao Hospital and College of Medicine, Thailand)
15:14~15:20	IOP13-05	Lateral Ankle Ligament Repair is Not Just for Young Patients: Changes in Incidence and Demographics over Tim
		Sameh LABIB (Emory University School of Medicine, USA)
15:20~15:26	IOP13-06	Primary Lateral Ankle Ligament Repair is Associated with Increased Rates of Revision Ligamentous Procedures and Ankle Arthroscopy Compared to Secondary Lateral Ankle Ligament Reconstruction: A Propensity-matched Analysis
		Walter HEMBREE (Medstar union memorial hospital, USA)
15:26~15:32	IOP13-07	Semiautomatic Weight Bearing Computed Tomography Area Analysis of the Distal Tibiofibular Syndesmotic Incisura in Subtle Chronic Syndesmotic Instability
		Alexandre GODOY-SANTOS (University of Sao Paulo, Brazil)
15:32~15:38	IOP13-08	Evaluating Tibiotalar Joint Coverage at Varying High Heel Heights
		Emily LUO (Duke University School of Medicine, USA)
15:38~15:50	Discussion

Chairs	Dong-Il CHUN (Soonchunhyang University Seoul Hospital, Republic of Korea)
	Akira TANIGUCHI (Nara Medical University, Japan)
13:50~13:58	IFP01-01	Comparison of Intermediate-term Outcomes of Total Ankle Arthroplasty in Primary and Ligamentous Post-traumatic Osteoarthritis
		Jong Eun KIM (Chonnam National University Medical School and Hospital, Republic of Korea)
13:58~14:06	IFP01-02	Safety and Effectiveness of Outpatient Total Ankle Arthroplasty
		Shahin KAYUM (St Michael hospital Toronto, Canada)
14:06~14:14	IFP01-03	Content Validity of The Forgotten Joint Score (FJS-012) for Total Ankle Replacement
		Ellie PINSKER (Unity Health Toronto - St. Michael's Hospital, Canada)
14:14~14:22	IFP01-04	Radiologic Review of Osteolysis in the HINTEGRA Total Ankle Prosthesis
		Eric LOCKE (University of Ottawa, Canada)
14:22~14:30	IFP01-05	Correction of Talar Sagittal Alignment using a Novel Biased Polyethylene Insert for a Fixed Bearing Total Ankle Arthroplasty
		Mansur HALAI (Unity Health Toronto - St. Michael's Hospital, Canada)
14:30~14:50	Discussion

Chairs	Jun young LEE (Chosun University Hospital, Republic of Korea)
	Bonnie CHIEN (Columbia University Medical Center, USA)
14:50~14:58	IFP02-01	Fourth Generation Minimally Invasive Distal Transverse Metatarsal Osteotomy - Akin Osteotomy (MITA) for Hallux Valgus: Outcomes and Complications
		Sang Gyo SEO (SNU Seoul Hospital, Republic of Korea)
14:58~15:06	IFP02-02	Patient-reported Outcome of Surgery for Hallux Valgus - A Prospective Cohort Study from Swefoot
		Maria C CÖSTER (Uppsala University, Sweden)
15:06~15:14	IFP02-03	Predictors of Failure in Cheilectomy: Role of Preoperative VAS Scores
		Kevin Anthony Jing Ming CHONG (Singapore General Hospital, Singapore)
15:14~15:22	IFP02-04	Minimally Invasive Dorsal Cheilectomy & Hallux MTPJ Arthroscopy for the Treatment of Hallux Rigidus
		Robbie RAY (King's College Hospital NHS Foundation Trust, United Kingdom)
15:22~15:30	IFP02-05	A Study of Onset Factors of 2nd MTP Joint Dislocation and Lisfranc Osteoarthritis Associated with Hallux Valgus
		Ayako TOMINAGA (Tokyo Women’s Medical University, Japan)
15:30~15:50	Discussion

Chairs	Kwang Bok LEE (Jeonbuk National University Hospital, Republic of Korea)
	Irvin OH (Yale University, USA)
16:20~16:28	ISY14-01	Management of Diabetic Neuropathy
		Alison TAYLOR (Eastern Health, Australia)
16:28~16:36	ISY14-02	Prophylactic Surgery: Deformity without Ulcers
		Manfred THOMAS (Hessingpark-Clinic, Germany)
16:36~16:44	ISY14-03	Treatment of Diabetic Charcot Arthropathy
		Kwai-ming SIU (Immediate Past President of Hong Kong Foot & Ankle Society, Hong Kong)
16:44~16:52	ISY14-04	Frame Reconstruction for Charcot Foot
		Lew SCHON (Mercy Medical Center / Johns Hopkins University, USA)
16:52~17:00	ISY14-05	How Do I Deal with Surgical Complications?
		Fabian ROMERO (San Rafael Clinic High Complexity Center/ Colombian Society of Foot and Ankle Surgery (SOCOPIT), Colombia)
17:00~17:20	Discussion
17:20~17:26	IOP14-01	Evaluating the Effect of Diabetic Medications on Rates of Nonunion in Patients Undergoing Foot and Ankle Arthrodesis Treatments
		Daniel SCOTT (Medical University of South Carolina, USA)
17:26~17:32	IOP14-02	Fully Reduced HMGB1 Enhances Nonunion Fracture Healing in Diabetic Rat Model
		Jarrett D CAIN (University of Pittsburgh School of Medicine, USA)
17:32~17:38	IOP14-03	The Diagnostic Value of Pre-operative Neutrophil-Lymphocyte Ratio and Platelet- Lymphocyte Ratio in predicting in-hospital Morbidity and Mortality among Diabetic Foot Infection Patients who underwent Amputation in a Tertiary Government Hospital
		Joseph Paulo SALES (Jose R. Reyes Memorial Medical Center, Philippines)
17:38~17:44	IOP14-04	Midfoot and Hindfoot Charcot Deformity Correction is Well Maintained with Beam Fixation
		Joshua MORNINGSTAR (Medical University of South Carolina, USA)
17:44~17:50	IOP14-05	Functional and Radiological Outcomes of Charcot foot Reconstruction
		Ming Long KAM (Hospital Raja Permaisuri Bainun, Malaysia)
17:50~18:00	Discussion

Chairs	Xiangyang XU (Ruijin Hospital, China)
	Thomas H. LEE (AOFAS, USA)
16:20~16:28	ISY15-01	What is More Important; Covering Cartilage or Supporting Bone?
		Daniel BAUMFELD (Federal University of Minas gerais, Brazil)
16:28~16:36	ISY15-02	Microfracture/Drilling or Various Graft
		Jin Woo LEE (Yonsei University College of Medicine, Republic of Korea)
16:36~16:44	ISY15-03	Cartilage Regeneration via Tissue Engineering Methods; Cell, Scaffold and Cytokines
		Martinus RICHTER (Hospital Rummelsberg, Germany)
16:44~16:52	ISY15-04	When to Treat Something Else (Instability, Varus, etc)
		Rupesh PUNA (New Zealand Orthopaedic Association, New Zealand)
16:52~17:00	ISY15-05	Treatment Strategies for Failed Surgical Management
		Mark EASLEY (North American Federation of Foot and Ankle Surgeons (NAFFAS), USA)
17:00~17:20	Discussion
17:20~17:26	IOP15-01	10 years follow-up of OCL of the Talus, Treated with Autologous Membrane-induced Chondrogenesis (AMIC™)
		Markus WALTHER (Schön Klinik München Harlaching - FIFA Medical Centre of Excellence, Germany)
17:26~17:32	IOP15-02	Immunohistological Evidence for Hyaline-like Cartilage Formation after AMIC for OLT
		Fabian KRAUSE (Inselspital, University of Berne, Switzerland)
17:32~17:38	IOP15-03	Correlation Second-Look Arthroscopy and Magnetic Resonance Image after Arthroscopic Microfracture for Osteochondral Lesions of the Talus
		Jong Kil KIM (Presbyterian medical hospital, Jeonju, Republic of Korea)
17:38~17:44	IOP15-04	Arthroscopic Microfracture for Osteochondral Lesions of the Talus: Second-Look Arthroscopic and Magnetic Resonance Analysis of Cartilage Repair Tissue Outcomes
		Gunwoo LEE (Chonnam National University, Republic of Korea)
17:44~17:50	IOP15-05	Presence of Concomitant Osteochondral Lesions of the Talus in Anterior Talofibular Ligament Injuries
		Kevin MARTIN (The Ohio State University College of Medicine, USA)
17:50~18:00	Discussion