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Yale University Department of Orthopedic Surgery New Haven, CT UNITED STATES Professor of Orthopedic Surgery, President of the Patellofemoral Foundation, Founder (with Jean Yves DuPont) of the International Patellofemoral Study Group AOSSM Hall of Fame 2023 http://Patellofemoral.org ISAKOS Active Member
Grading Severity in Trochlear Dysplasia: a Pilot Study Juan Pablo Martinez-Cano, MD, MSc, PhD, COLOMBIAEcho Assisted Reconstruction Of The Medial Patellofemoral Ligament Alex Dante Antezana Arzabe, MD, BOLIVIAYour Patella Dislocated: Will It Happen Again? An Assessment Of Mri Criteria For Recurrent Patella Dislocation After An Initial Event Mauricio Drummond, Jr., MD, UNITED STATES3D Curvature Analysis as a Visualization Tool for Trochlea Dysplasia Johannes M. Sieberer, MSc, UNITED STATESThe length of the popliteus on sagittal views correlates with high tibiofemoral rotations and patellar instability Shelby T Desroches, MS, UNITED STATESIntra And Inter-Observer Reliability Of The Dh Dejour V2 Classification For Trochlear Dysplasia Using Radiographs Combined With Mri. Michael J. Dan, Mbbs, PhD, MSc(res), FRACS(oath), AUSTRALIAThere is a Difference in Preoperative Through-the-Knee Femorotibial Rotation in Pediatric Patients with Anterior Cruciate Ligament Rupture Versus Patients with Patellofemoral Instability Daniel W. Green, MS, MD, UNITED STATESAssociation Between Articular Incongruence Post-Trochleoplasty And Long-Term Patellofemoral Osteoarthritis Tomas Pineda, MD, CHILEA Three-Dimensional Anatomical Study Of The Quadriceps Mechanism, Its Association With Femoral Torsion And Their Relationship To Patellofemoral Instability Sheanna T Maine, FRACS, AUSTRALIACan Patellar Translation As Measured By Dynamic Ultrasound Predict Outcomes After Patellar Stabilization Surgery? Kyle K Grover, BS, UNITED STATESSurgical Management of First-Time Patellar Dislocations in Pediatric Patients May Lower Rates of Redislocation Compared to Conservative Management: A Systematic Review and Meta-Analysis Benjamin Blackman, BHSc. (Honors), CANADAThe Prevalence Of Associated Anatomical Risk Factors For Patellofemoral Joint Pathology In Patients Undergoing Rotational Osteotomy And The Implication For The Level Of Correction. Martyn Snow, FRCS, UNITED KINGDOMPatellar Tendon To Lateral Trochlear Ridge (PT-LTR) as an Indicator of Patellar Instability With Malalignment Brittany Margaret Ammerman, MD, MBS, UNITED STATESRisk Factors For Patellofemoral Cartilage Lesions In Patients With Trochlear Dysplasia In The Setting Of Patellar Instability Berfin Caliskan, MD, SWITZERLANDTranslation and Validation of The Spanish Version of The Banff Patellofemoral Instability Instrument 2.0 (BPII) Juan Pablo Martinez-Cano, MD, MSc, PhD, COLOMBIAThree-Dimensional CT Bone Model Improves Interobserver Reliability of Trochlea Dysplasia Using the Dejour Classification in Patients with Patellar Dislocation Rika Shigemoto, MD, JAPANHeadless Screw Fixation Lowers Re-Operation Rate Following Tibial Tubercle Osteotomy Seth L. Sherman, MD, UNITED STATESAnatomical Risk Factors For Patellofemoral Instability Differ Among Patients With Trochlear Dysplasia Depending On Their Dejour Classification Martin Hartmann, MD, SWITZERLANDA Prospective Cohort Study Investigating the Safety and Efficacy of Tibial Tubercle Osteotomy Using a Novel Multi-Directional Tibial Tubercle Transfer System Seth L. Sherman, MD, UNITED STATESIs Quadricep Tendon A Suitable Graft Option For Medial Patellofemoral Ligament Reconstruction? A Systematic Review And Meta-Analysis. Shahbaz S. Malik, BSc, MB BCh, MSc (Orth Engin), LLM, FRCS (Tr&Orth), UNITED KINGDOM3D-Pass (3D Patellar Instability Anatomical Severity Score): A Novel Metric Using Machine Learning To Predict Treatment Outcome In Patella Instability Seth L. Sherman, MD, UNITED STATESTorsional Limb Deformities In Patients With Lateral Patellar Dislocation: An Expert Survey Of The International Patellofemoral Study Group. Guido Wierer, MD, AUSTRIATibial Tuberosity to Trochlear Groove Distance (TT-TG): A Breakdown into Two Principal Components Johannes M. Sieberer, MSc, UNITED STATESEfficacy of Single Intra-Articular 2% Sodium Hyaluronate Versus Corticosteroid Injection in Isolated Patellofemoral Osteoarthritis: A Double-Blind, Randomized Controlled Trial Pratchaya Manop, MD, THAILANDSignificantly Greater Incidence Of Patella Fracture After Medial Patellofemoral Ligament Reconstruction For Patients Age 20 And Under Miho J. Tanaka, MD, PhD, UNITED STATESOutcomes Of Arthroscopic Patella Realignment In Children And Adolescents With A Minimum 2-Year Follow Up Serafina Faith Zotter, BS, UNITED STATESIsolated Medial Patellofemoral Ligament Reconstruction for Recurrent Patellar Instability Regardless of Tibial Tubercle-Trochlear Groove Distance and Patellar Height: Differential Outcomes for Chondral Defects Elizabeth Rose Dennis, MD MS, UNITED STATESResults Of Mpfl Reconstruction Using Soft Tissue Fixation Technique Associated With A Procedure On The Att For Patellar Instability : An Average Follow-Up Of 8.8 Years Marine Aubey, Student, FRANCEClinical Outcomes For MPFL Reconstruction After First-Time Vs. Recurrent Patella Dislocations Serafina Faith Zotter, BS, UNITED STATESAccuracy Of The Patella Alta Assesment Is Poor – Dynamic Vs Static Patellar Height In Relation To Femoral Trochlea Petri J. Sillanpää, MD, PhD, FINLANDThin Flap Trochleoplasty for Recurrent Patellofemoral Instability with High-Grade Trochlear Dysplasia is Safe and Effective: A Series of 63 Consecutive Cases Laurie A. Hiemstra, MD, PhD, FRCSC, CANADAAnalyzing the Alignment Error in Tibial Tuberosity-Trochlear Groove Distance (TT-TG) in Clinical Scans Using 2D and 3D Methods Johannes M. Sieberer, MSc, UNITED STATESAdductor Sling Versus Anatomical Technique In Medial Patellofemoral Ligament Reconstruction: A Retrospective Multicenter Study Jose Tomas Arteaga, MD, MSc, CHILERadiologic Risk Factors for Osteochondral Fractures in First-Time and Recurrent Patellar Instability Patients Henry B. Ellis, MD, UNITED STATESIs it correct to perform lateral release in combination with MPFL reconstruction in patients with acute patellar dislocation? A finite element analysis study Giuseppe Salvatore, MD, PhD, ITALYHow Should I Measure Proximal Femoral Version In Torsional Deformity? A New, Easy And Reproducible Measurement Method Using Maximum Intensity Projection (Mip) Imaging On Ct Scan. Federica Rosso, MD, ITALYMedial Patellotibial Ligament Reconstruction Obtains A Significant Improvement Of Patellar Stability: Motion Analytic Study Nadhaporn Saengpetch, MD, THAILANDOutcomes of Skeletally Immature Patients Undergoing Isolated Medial Patellofemoral Ligament Reconstruction: Data from the JUPITER Cohort Lauren H Redler, MD, UNITED STATESAn Oblique Transposition Quadricepsplasty Provides Excellent Outcomes For The Treatment Of Type Iv (Obligatory, Flexion-Range) Patellar Dislocation Philip Wilson, MD, UNITED STATESFactors Associated with the Decision to Perform a Lateral Retinacular Release or Lengthening During Medial Patellofemoral Ligament Reconstruction in the JUPITER Cohort Daniel W. Green, MS, MD, UNITED STATESPartial Lateral Patellar Facetectomy Is Beneficial For Patients With Patellofemoral Osteoarthritis: A Systematic Review and Meta-Analysis Kennan Yeo, MBBS, SINGAPORESulcus-Deepening Trochleoplasty With A Dedicated Cutting Guide For Patellar Instability And High-Grade Trochlear Dysplasia: Analysis Of Cartilage Integrity And Functional Outcomes At 3 To 10 Years Robin Martin, MD, SWITZERLANDPatellar Dislocation During Examination Under Anesthesia As A Diagnostic Test For Patellar Instability: Data From Jupiter Cohort Shital N. Parikh, MD, UNITED STATESComparative Clinical and Radiographic Outcomes of Particulated Juvenile Articular Cartilage Implantation in Shouldered and Unshouldered Patella Cartilage Lesions Brittany Margaret Ammerman, MD, MBS, UNITED STATESJudet’s extensive quadriceps release and “à la carte” combined procedures for patellar dislocation In flexion Moritz Konkel, MD, SWITZERLANDEffect Of Distal Femoral Osteotomy For Valgus Correction On Change In Patellar Height Alexander Golant, MD, UNITED STATESCurvature Analysis Of The Distal Femur As A Tool To Classify Trochlear Dysplasia Johannes M. Sieberer, MSc, UNITED STATESHigh Success And Low Complication Rates Following Revision Tibial Tubercle Osteotomy Nathan Varady, MD, MBA, UNITED STATESHow Much Improvement in Patient-Reported Outcome Measures After Isolated Medial Patellofemoral Ligament Reconstruction is Associated with Surgeon-Defined Satisfactory Outcomes? A Jupiter Study Shital N. Parikh, MD, UNITED STATESThe Effect Of Tibial Tubercle Osteotomy And Trochleoplasty On Femorotibial Rotation In Patients With Patellar Instability Martin Hartmann, MD, SWITZERLANDHistologic Analysis Of The MPFL And MQTFL Fibers Demonstrate A Single Ligamentous Complex Miho J. Tanaka, MD, PhD, UNITED STATESMorphological risk of the femur causing anterior cruciate ligament (ACL) injuries : comparative 3-Dimensional mean model analysis of ACL and non-injured patients So Heun Lee, M.S - Ph.D.student, KOREA, REPUBLIC OFThe Short-Term Clinical Results of Isolated Medial Patellofemoral Ligament Reconstruction in Patellar Dislocation: Comparing Superficial Quadriceps Tendon and Hamstring Tendon Yuki Suzuki, MD, PhD, JAPANUtility of 3D biomodels in the surgical planning of femoral derotational osteotomies Caterina Chiappe , MD, SPAINTT-TG Ratio Provides a More Accurate Estimation of the Amount of Tibial Tubercle Medialization Needed in Patellofemoral Instability Tomas Pineda, MD, CHILERadiographic Landmarks Of Medial Patellofemoral Ligament Reconstruction: A Systematic Review And Meta-Analysis Of Femoral Tunnel Position Larry Chen, BS, UNITED STATESThe Interaction of Race and Socioeconomic Deprivation in Treatment of Patellofemoral Instability: Data from the JUPITER Cohort Jacqueline M. Brady, MD, UNITED STATESQuantitative Assessment of Knee Joint Kinematics In Patients with Recurrent Patellar Dislocation – Using a 3D-3D Surface Registration Technique and 4-D CT Analysis – Kazuya Kaneda, MD, PhD, JAPANClinical And Radiographic Results After Isolated Mpfl Reconstruction For Patella Instability Theodoros Mylonas, MD, MSc, GREECENew Sagittal Measurements To Distinguish Between Patellar Instability And Control Patients Marc Tompkins, MD, UNITED STATESStraight Anteriorization Tibial Tubercle Osteotomy Is Safe and Effective for Patellofemoral Cartilage Lesions Nathan Varady, MD, MBA, UNITED STATESOCCURRENCE OF PATELLOFEMORAL OSTEOARTHRITIS AT MEDIUM AND LONG-TERMS AFTER ISOLATED RECONSTRUCTION OF THE MEDIAL PATELLOFEMORAL LIGAMENT WITH MEDIAL THIRD OF THE PATELLAR TENDON Fabiano Kupczik, MD, PhD, MSc, BRAZILCLINICAL AD RADIOLOGICAL OUTCOMES AFTER ISOLATED MEDIAL PATELLOFEMORAL RECONSTRUCTION FOR RECURRENT PATELLAR DISLOCATION WITH COMPLETELY IMPLANT FREE TECHNIQUE AMONG POPULATION OF YOUNG SPORT PATIENTS Matteo Baldassarri, MD, ITALYMedial PatelloTibial Ligament Reconstruction in Pediatric and Adolescent Patients with Patella Dislocation in Flexion Daniel W. Green, MS, MD, UNITED STATESCross-Cultural Translation and Validation of The Spanish Version of The Norwich Patellofemoral Instability (NPI) Score Juan Pablo Martinez-Cano, MD, MSc, PhD, COLOMBIAReturn to Sports is Faster with Combined Reconstruction of the MPFL and MQTFL Compared to Isolated MPFL Reconstruction: Preliminary Results Luís Duarte Silva, MD, PORTUGALOutcomes of Isolated Medial Patellofemoral Ligament Reconstruction after First-Time and Recurrent Patellar Instability: Recurrence, Return to Sport, And Osteochondral Injury: Data from the JUPITER Cohort Jacqueline M. Brady, MD, UNITED STATESFEMORAL MALTORSION INFLUENCES BOTH PATELLOFEMORAL AND TIBIOFEMORAL CONTACT PRESSURE. A BIOMECHANICAL EVALUATION Caterina Chiappe , MD, SPAINThe Flexion Angle and the Intra-Articular Version in Different MRI Recording Techniques Influence the Tibial Tuberosity - Trochlea Groove Distance Adrian Deichsel, MD, GERMANYPredictors of Increased Complication Rate Following Tibial Tubercle Osteotomy (TTO) Alexander Golant, MD, UNITED STATESWeight Matters: The Causal Role Of Birth And Childhood Body Size In Rcurrent Patellar Dislocation Chao Zhang, CHINAThe Lateral Patellar Retinaculum is Thicker in Pediatric and Adolescent Patients with Patellofemoral Instability Daniel W. Green, MS, MD, UNITED STATESIncidence Of False Positives Pathological Patellar Tilt Angle due to Knee Internal Torsion Ricardo D. Manilov, MD, ARGENTINAPure Distalization Tibial Tubercle Osteotomy Does Not Result In Posteriorization Of The Tibial Tubercle Nathan Varady, MD, MBA, UNITED STATESInfluence of tibial tuberosity movement direction on postoperative outcomes of combined Maquet procedure and autologous cartilage implantation for patellofemoral cartilage injury Junya Tsukisaka , MD, JAPANGenetic Evidence Suggests Education Reduces Risk Of Patellar Dislocation: Insights From Mendelian Randomization Chao Zhang, CHINAReporting Bias is Highly Prevalent in Systematic Reviews and Meta-Analyses of Medial Patellofemoral Ligament Reconstruction Mary K. Mulcahey, MD, UNITED STATESFrom Clinic To Smartphone: A Randomized Controlled Trial Of A Novel Digital Therapeutic For Patellofemoral Pain Integrating Exercise And Cognitive-Behavioral Therapy Jae-Young Park, MD, KOREA, REPUBLIC OFThe Effect of Knee Rotation Angle on Patellofemoral Instability Jeffery D St. Jeor, MD, UNITED STATESEffects of Fear of Re-Injury, Other Psychological Factors, and Sport Played on Return to Sport Following Operative Treatment for Patellar Instability Mary K. Mulcahey, MD, UNITED STATESIncreased TT-TG and Sulcus Angle are Associated with Patella Osteochondritis Dissecans Daniel W. Green, MS, MD, UNITED STATESThe Dejour Classification for Trochlear Dysplasia: Are We Speaking the Same Language? Juan Pablo Martinez-Cano, MD, MSc, PhD, COLOMBIAInitial Results from the Creation of a Normative Database for the Banff Patellar Instability Instrument Mark Lafave, PhD, CAT(C), CANADA
2025 Congress ePoster Presentation PDF 2025 Not yet rated
Knee Patellofemoral Instability Repair / Reconstruction Osteotomy Dislocation Ligaments Bones Arthritis Osteoarthritis
ISAKOS Video Series Special Presentation Video 25 minutes rating (1)
John P. Fulkerson, MD, UNITED STATES
ISAKOS Highlight
ISAKOS and Patellofemoral Foundation Highlights Seth L. Sherman, MD, UNITED STATESIntroductionEvolving Management of the First Time Dislocation Ryosuke Kuroda, MD, PhD, JAPANWhen Should We Do More than an MPFL in 2023? Jason L. Koh, MD, MBA, UNITED STATESHow I Think About and Manage Trochlear Dysplasia Laurie A. Hiemstra, MD, PhD, FRCSC, CANADADon’t Forget about Valgus and Rotation in Patellofemoral Instability Vicente Sanchis-Alfonso, MD, PhD, SPAINAvoiding Complications in Patellofemoral Surgery John P. Fulkerson, MD, UNITED STATES
2023 Congress Symposium Video 87 minutes group rating (7)
Seth L. Sherman, MD, UNITED STATES
Knee Patellofemoral Instability
ISAKOS & Patellofemoral Foundation Highlights of Current Research from 2018-2021 João Espregueira-Mendes, MD, PhD, Full Prof., PORTUGAL John P. Fulkerson, MD, UNITED STATESPF Basic Science and Mechanics Andrew J. Cosgarea, MD, UNITED STATESSurgical Treatment of Patellofemoral Arthritis Ryosuke Kuroda, MD, PhD, JAPANPatellofemoral Joint Preservation Surgery Vicente Sanchis-Alfonso, MD, PhD, SPAINImportance, Proper indications and Benefits of Tibial Tuberosity Transfer in Patellofemoral Surgery Alessandra Berton, MD, ITALY
2021 Congress Symposium Video 53 minutes group rating (15)
João Espregueira-Mendes, MD, PhD, Full Prof., PORTUGAL John P. Fulkerson, MD, UNITED STATES
Knee Patellofemoral Instability Osteotomy Repair / Reconstruction Osteoarthritis Recurrent Subluxation and Dislocation Patellofemoral Osteoarthritis Patellofemoral Ligament Rupture Acute Patella Dislocation
2019 Congress Paper Abstract Web Not yet rated
Ricardo Bastos, MD, PhD, Prof., PORTUGAL
Knee Patellofemoral Ligaments Physical Examination MRI CT-Scan
2017 Congress Paper Abstract Web Not yet rated
Justin S. Yang, MD, UNITED STATES
Marc Tompkins, MD, UNITED STATES
Stock received from NoneRoyalties or support received from Wolters Kluwer Health - Lippincott Williams & Wilkins, DJOrthoBoard of Directors member for patellofemoral foundation