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Sport Science Orthopaedic Clinic Cape Town, WC SOUTH AFRICA Dr. van der Merwe currently serves as the Head of Orthopaedics at the South African Institute of Sports Science. He received his medical degree from the University of Free State, followed by Post Graduate Honors from the University of Oxford, England. He completed his Fellowship in Orthopaedics at Groote Schuur Hospital University of Cape Town. An athlete all his life, playing cricket, rugby and golf, Dr. van der Merwe still enjoys being active in his free time, spending time with his wife and three children ISAKOS Active Member
Educating the Patient Before TKR including Prehab and Adjusting Expectations Nicolaas C. Budhiparama, MD, PhD (LUMC, NL), PhD (UGM, ID), FICS, Prof., INDONESIA William Maloney, MD, UNITED STATESOrthopaedic Evaluation of the Patient with End Stage Osteoarthritic Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICAThe Patient Actor of his surgery, A member of surgical team Philippe Noel Neyret, MD, PhD, Prof., FRANCEAssessing and Addressing Patient Expectations Nanne P. Kort, MD, PhD, NETHERLANDSDiscussion
2023 Congress Symposium Video 48 minutes group rating (1)
Nicolaas C. Budhiparama, MD, PhD (LUMC, NL), PhD (UGM, ID), FICS, Prof., INDONESIA William Maloney, MD, UNITED STATES
Knee Osteoarthritis Total Joint Replacement Arthritis Physical Examination X-ray MRI
Highlights from the Inaugural ISAKOS Knee Arthroplasty Forum Myles R. J. Coolican, FRACS, AUSTRALIATransition to Outpatient Surgery Claudia Arias, MD, PERU Philippe Noel Neyret, MD, PhD, Prof., FRANCEAlignment David A. Parker, MBBS, BMedSc, FRACS, AUSTRALIANew Technologies Sebastien Lustig, MD, PhD, FRANCETKR with Deformity: Varus Knee David H. Figueroa, MD, CHILETKR with Deformity: Fixed Flexion Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICATKR with Deformity: Valgus Knee Kevin D. Plancher, MD, MPH, UNITED STATES
ISAKOS Webinars Webinar Video 85 minutes group rating (22)
Myles R. J. Coolican, FRACS, AUSTRALIA
Knee Arthroplasty Stiff Joints Total Joint Replacement
How to Investigate and Manage the Hidden Causes of the Unhappy TKR David F. Dalury, MD, UNITED STATESHow to manage and investigate the unhappy TKR David F. Dalury, MD, UNITED STATESHow to evaluate and manage the chronically infected TKR Magaly Iñiguez, MD, CHILEHow to manage the stiff TKR Francois M. Kelberine, MD, FRANCEHow to manage the chronically painful TKR Sam Oussedik, FRCS, UNITED KINGDOMHow to manage the unstable TKR Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICA
2023 Congress Symposium Video 44 minutes group rating (2)
David F. Dalury, MD, UNITED STATES
Knee Arthritis Arthroplasty Physical Examination X-ray CT-Scan Failed Repair / Reconstruction Total Joint Replacement
Taking Care of the Elite Knee Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICAIntroduction Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICADealing with the Entourage of Family, Sports Doc, Physio and Owners Andrew Vincent, MBCHB, FRACS, NEW ZEALANDManaging Expectations, Short and Long Term Robert G. Marx, MD, UNITED STATESReturn to Play and Pitfalls Peter T. Myers, MBBS, FRACS, FAOrthA, AUSTRALIAWhat I have Learned from Treating Elite Sportsman - And How this has Made Me a Better Surgeon Andy Williams, MBBS, FRCS(Orth), FFSEM(UK), UNITED KINGDOMChallenges and Ethics in Working with Elite Athletes Volker Musahl, MD, Prof., UNITED STATESDiscussion
2023 Congress Symposium Video 52 minutes group rating (1)
Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICA
Knee Orthopaedic Sports Medicine Trauma Repair / Reconstruction Patellofemoral Muscle Ligaments Meniscus Medial Lateral
State of The Art with Navigation and RobotsNew Technologies in TKA: The Latest is Not Always the Greatest Nicolaas C. Budhiparama, MD, PhD (LUMC, NL), PhD (UGM, ID), FICS, Prof., INDONESIANavigation is Still the Gold Standard Myles R. J. Coolican, FRACS, AUSTRALIAThe Difficulties of Starting to Use Robots - Barriers, Costs, Complications Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICAHow Did The Introduction of Robotic Technology Change My Practice David A. Parker, MBBS, BMedSc, FRACS, AUSTRALIALive Discussion
Knee Arthroplasty Virtual Course Virtual Course Video 81 minutes group rating (2)
Knee Total Joint Replacement Practice Management Economic Analysis
2021 Congress Lecture Video 38 minutes rating (1)
Knee Ligaments ACL
2021 Congress Special Event Video 19 minutes Not yet rated
Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICA Volker Musahl, MD, Prof., UNITED STATES
Robotics in Knee ReplacementBenefits - What Robotic Surgery Offers V Nav and Conventional Mark G. Clatworthy, FRACS, NEW ZEALANDBenefits - What Robotic Surgery Offers V Nav and Conventional Mark G. Clatworthy, FRACS, NEW ZEALANDThe Difficulties of Starting to Use Robots - Barriers, Costs, Complications Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICAThe Difficulties of Starting to Use Robots - Barriers, Costs, Complications Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICASurgical Technique and Benefits of Rosa for TKA Andrew James Price, DPhil, FRCS(Orth), UNITED KINGDOMSurgical Technique and Benefits of Rosa for TKA Andrew James Price, DPhil, FRCS(Orth), UNITED KINGDOMSurgical Technique and Benefits of Mako for TKA David H. Figueroa, MD, CHILESurgical Technique and Benefits of Mako for TKA David H. Figueroa, MD, CHILESurgical Technique and Benefits of Navio for TKA Philippe Noel Neyret, MD, PhD, Prof., FRANCESurgical Technique and Benefits of Navio for TKA Philippe Noel Neyret, MD, PhD, Prof., FRANCESurgical Technique and Benefits of Think Surgical for TKA Jong-Keun Seon, MD, PhD, Prof, KOREA, REPUBLIC OFSurgical Technique and Benefits of Think Surgical for TKA Jong-Keun Seon, MD, PhD, Prof, KOREA, REPUBLIC OFRobotic Partial Knee Replacement: A Slam Dunk? Sebastien Lustig, MD, PhD, FRANCERobotic Partial Knee Replacement: A Slam Dunk? Sebastien Lustig, MD, PhD, FRANCEHow Did Using Robots Change My Practice: Patient Experience, Who Gets Robotic Surgery, Who Doesn’t and Why. David A. Parker, MBBS, BMedSc, FRACS, AUSTRALIAHow Did Using Robots Change My Practice: Patient Experience, Who Gets Robotic Surgery, Who Doesn’t and Why. David A. Parker, MBBS, BMedSc, FRACS, AUSTRALIAWhy I Still Prefer Nav - Benefits and Downsides of Robots Including Costs and Complications Christopher J. Vertullo, MBBS, PhD, FRACS(Orth), AUSTRALIARobotics in Uni and Total Knee Replacement: Data from the AOA National Joint Registry Stephen E. Graves, MBBS, DPhil, FRACS, FAOrthA, AUSTRALIARobotics in Uni and Total Knee Replacement: Data from the AOA National Joint Registry Stephen E. Graves, MBBS, DPhil, FRACS, FAOrthA, AUSTRALIA
ISAKOS Gratefully Acknowledges Robotics in Knee Replacement Webinar Sponsors DePuy Synthes and ZimmerBiomet
ISAKOS Webinars Webinar Video 2020 group rating (23)
Knee Total Joint Replacement Arthroplasty Economic Analysis Practice Management
The Anterolateral Ligament: Let's Stick to The Facts!Anatomy of the Anterolateral Structures Steven Claes, MD, PhD, BELGIUMAnatomy of the Anterolateral Structures Steven Claes, MD, PhD, BELGIUMStandardized Dissection Protocol for Identification of the ALL Matt Daggett, DO, MBA, UNITED STATESStandardized Dissection Protocol for Identification of the ALL Matt Daggett, DO, MBA, UNITED STATESBiomechanics of the ALL and its Reconstruction Edoardo Monaco, MD, ITALYBiomechanics of the ALL and its Reconstruction Edoardo Monaco, MD, ITALYImaging of the ALL with Ultrasound Etienne Cavaignac, MD,PhD, FRANCEImaging of the ALL with Ultrasound Etienne Cavaignac, MD,PhD, FRANCEImaging of the ALL with MRI Camilo P. Helito, MD, PhD, Prof, BRAZILImaging of the ALL with MRI Camilo P. Helito, MD, PhD, Prof, BRAZILSurgical Techniques for ALL Reconstruction Adnan Saithna, MD, FRCS, UNITED STATESSurgical Techniques for ALL Reconstruction Adnan Saithna, MD, FRCS, UNITED STATESRe-operation Rates and Complications following ALL Reconstruction Mathieu Thaunat, MD, FRANCERe-operation Rates and Complications following ALL Reconstruction Mathieu Thaunat, MD, FRANCEClinical Outcomes of Combined ACL and ALL Reconstruction Bertrand Sonnery-Cottet, MD, PhD, FRANCEClinical Outcomes of Combined ACL and ALL Reconstruction Bertrand Sonnery-Cottet, MD, PhD, FRANCEFact or Fiction Thais Dutra Vieira, MD, FRANCEFact or Fiction Thais Dutra Vieira, MD, FRANCE
ISAKOS Webinars Webinar Video 2020 group rating (37)
Knee Ligaments Anterolateral Ligament Repair / Reconstruction ACL MRI Ultrasound Outcome Studies
Introduction Mark G. Clatworthy, FRACS, NEW ZEALANDComplex ACL and Revision ACL Cases Timothy S. Whitehead, MBBS, FRACS, AUSTRALIAPCL and Multiligament Injuries Brett A. Fritsch, MBBS BSc(Med), FRACS, FAOrthA, AUSTRALIAMeniscal Repair Cases Annunziato Amendola, MD, UNITED STATESOsteotomy Cases Christopher J. Vertullo, MBBS, PhD, FRACS(Orth), AUSTRALIAArticular Cartilage Repair Cases Seth L. Sherman, MD, UNITED STATESPatellofemoral Instability Cases Elizabeth A. Arendt, MD, UNITED STATESPatellofemoral Instability Cases Julian A. Feller, FRACS, FAOrthA, AUSTRALIAPatellofemoral Instability Cases Alan Getgood, MD, FRCS(Tr&Orth), DipSEM, CANADAPatellofemoral Instability Cases Petri J. Sillanpää, MD, PhD, FINLANDDiscussion Elizabeth A. Arendt, MD, UNITED STATES
2019 Congress Symposium Video 168 minutes group rating (3)
Knee Patellofemoral Instability Osteoarthritis Recurrent Subluxation and Dislocation Patellofemoral Osteoarthritis Osteotomy Cartilage Meniscus Repair / Reconstruction
Gene Expression of Healing Factors as a Predictor to Treat Anterior Cruciate Ligament injuries Diego Costa Astur, MD, PhD, BRAZILKnee Ostoearthritis: Cell Therapy and Exercises Alter Gene Expression of Inflammatory Molecules and Extracellular Matrix Mario Ferretti, MD, PhD, BRAZILOverview of Genetic Risk Factors in ACL Injury Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICAGenetics in Knee Injuries Johnny Huard, PhD, UNITED STATESDiscussion Johnny Huard, PhD, UNITED STATES
2019 Congress Symposium Video 25 minutes Not yet rated
Knee Ligaments Instability Basic Science ACL Evidence Based Medicine Allograft Arthroscopy Autograft Repair / Reconstruction
Surgical Technique for Primary ACLR as a Cause of Failure James R. Robinson, MBBS, MS, FRCS(Tr & Orth), UNITED KINGDOMThe Role of Lower Limb Alignment and Collateral Ligament Injuries in ACL Graft Failure Robert G. Marx, MD, UNITED STATESIs the Patient the Issue? Which Patient Groups are at Higher Risk of Graft Failure? Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICAThe Balance Between Graft Maturity and Return to Activity Seth L. Sherman, MD, UNITED STATESDiscussion Timothy S. Whitehead, MBBS, FRACS, AUSTRALIA
2019 Congress Symposium Video 62 minutes group rating (6)
Timothy S. Whitehead, MBBS, FRACS, AUSTRALIA
Knee Ligaments Instability Repair / Reconstruction ACL Physical Examination X-ray MRI Sport Specific Injuries Outcome Studies
Medial UKA Fixed Bearing: Robotic Technique Sebastien Lustig, MD, PhD, FRANCEMedial UKA Fixed Bearing: Standard Technique Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICAMedial UKA Mobile Bearing Andrew James Price, DPhil, FRCS(Orth), UNITED KINGDOMLateral UKA Pieter J. Erasmus, MBChB, MMed, FCS(Orth), SOUTH AFRICAPatellofemoral Arthroplasty Myles R. J. Coolican, FRACS, AUSTRALIA
2019 Congress Surgical Video Video 45 minutes group rating (4)
Knee Arthritis Arthroplasty Bones X-ray Patellofemoral Cartilage Osteoarthritis MRI Implant
Why I Use Quad Tendon for the High Demand Athlete Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICAAre There Specificities About Graft Choice in Revision ACL Reconstruction? Philippe Noel Neyret, MD, PhD, Prof., FRANCEBTB Is the Best Option for ACL Reconstruction in High-Risk Patients Robert G. Marx, MD, UNITED STATESWhy I Choose SYNTHETIC Ligament for Athletes for an Early Return to Competition Shiyi Chen, MD, PhD, Prof., CHINA
2019 Congress Symposium Video 42 minutes group rating (3)
Jon Karlsson, MD, PhD, Prof., SWEDEN
Knee Ligaments ACL Instability MRI Practice Management Outcome Studies Single Bundle Implant
Double Bundle ACLR Concept: A Call for an Individualized Approach Freddie H. Fu, MD, UNITED STATESPersistent rotatory knee instability after anatomic ACL reconstruction - incidence and associated factors Lei Zhang, MD, PhD, CHINAOutcomes following anatomic single- versus double-bundle ACL reconstruction - what are we missing? Jia-Kuo Yu, MD, PhD, CHINAACL reconstruction - from one bundle augmentation to double bundle reconstruction - indications and treatment algorithm Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICARound table discussion: A call for an individualized approach Wei Lu, MD, PhD, Prof., CHINA
2017 Congress Symposium Video 61 minutes group rating (6)
Wei Lu, MD, PhD, Prof., CHINA Freddie H. Fu, MD, UNITED STATES
Knee Ligaments ACL Instability MRI Sport Specific Injuries Biomechanics Evidence Based Medicine Outcome Studies Biologics
Introduction David A. Parker, MBBS, BMedSc, FRACS, AUSTRALIAAgainst Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICAPro Roland Becker, MD, PhD, Prof., GERMANYDiscussion David A. Parker, MBBS, BMedSc, FRACS, AUSTRALIA
2015 Congress Debate Video 34 minutes group rating (2)
David A. Parker, MBBS, BMedSc, FRACS, AUSTRALIA
Knee Cartilage Osteoarthritis Arthritis X-ray Arthroplasty Total Joint Replacement Biomechanics
Arthroscopic Landmarks: Where to Drill Every Tunnel and the Best Way to Get There Freddie H. Fu, MD, UNITED STATESExtra Articular Anterolateral Ligament Reconstruction Philippe Noel Neyret, MD, PhD, Prof., FRANCEDiscussion Freddie H. Fu, MD, UNITED STATES
2015 Congress Surgical Demonstration Video 61 minutes group rating (1)
Knee Ligaments Repair / Reconstruction Instability Arthroscopy Anterolateral Ligament ACL Capsuloligamentous Complex Single Bundle Double Bundle
Introduction - Incidence, Aetiology of the “Well Done but Unhappy TKR”. Tools to Measure Patient Satisfaction. Are They Valid, Reliable & Sensitive Myles R. J. Coolican, FRACS, AUSTRALIAPsychological Factors. Can We Predict Who Will Be Unhappy? Can We Re-Program Them? Metal Allergies Susanne Fuchs-Winkelmann, MD, Assoc. Prof, GERMANYFunction After TKR. How is it Measured and Why Are PDOM/Satisfaction Scores Different to Objective Scores Francesco Benazzo, MD, Prof., ITALYPain After TKR. Who Gets it and Why? Role of Psychological Factors. Can We Predict or Prevent? George Macheras, MD, PhD, GREECEManagement - When We Decide Not to Operate AND When We’re Dealing with the Patient After Surgery. Role of Exercise and Evidence it Helps Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICADiscussion Myles R. J. Coolican, FRACS, AUSTRALIA
2015 Congress Symposium Video 65 minutes group rating (4)
Knee Cartilage Osteoarthritis Arthritis Arthroplasty Total Joint Replacement Outcome Studies Physical Examination Epidemiology Failed
What do we Mean by Biological ACL Reconstruction Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICACharacterization of Human ACL-Derived Vascular Stem Cells and Therapeutic Potential of ACL-Derived Stem Cells for ACL ReconstructionACL Healing: Role of Peripheral Structures Volker Musahl, MD, Prof., UNITED STATESBiological Healing can not Take Place in the Chronic Cases and we Have to Treat These Different Andrew D. Pearle, MD, UNITED STATESBiological and Mechanical Augmentation on ACL Healing Savio L-Y. Woo, PhD, DSc, DEng, UNITED STATES
2013 Congress Symposium Video 2013 Not yet rated
Knee Tendon Ligaments Biomechanics ACL Instability Repair / Reconstruction Tears MRI Basic Science
Importance of Muscle Strength in Patient Satisfaction Stability and ROM More Important than Alignment Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICAAlgorithm to Make Sure we Have the Correct Diagnosis Before we Embark on Revision Surgery Julian A. Feller, FRACS, FAOrthA, AUSTRALIAWhat Results can we Tell our Patient to Expect After Revision TKR Masahiro Kurosaka, MD, JAPANUnexplained Pain After TKA: Complementary Tests and New Hypothesis Philippe Noel Neyret, MD, PhD, Prof., FRANCEThe Role of the PF Joint in Painful TKR and Revision Mark G. Clatworthy, FRACS, NEW ZEALANDDiscusion Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICA
Knee Cartilage Arthritis Arthroplasty Implant Bones Osteoarthritis
Introduction Mark G. Clatworthy, FRACS, NEW ZEALANDWhat is More Important Alignment or Stability in the Functional Outcome of TKR Willem M. van der Merwe, MBChB, FCS(SA)Ortho, SOUTH AFRICAMeasured Resection vs. Gap Balancing Tomoyuki Matsumoto, MD, PhD, JAPANKinematic Alignment Matthew Walker, MBChB, FRACS, NEW ZEALANDAre we Meeting Patient Expectation with TKA William J. Long, MD, FRCSC, UNITED STATESDiscussion Mark G. Clatworthy, FRACS, NEW ZEALAND
Mark G. Clatworthy, FRACS, NEW ZEALAND
Knee Osteoarthritis Arthroplasty Total Joint Replacement Patellofemoral Bones Capsuloligamentous Complex Cartilage Ligaments Arthritis
Introduction Allen F. Anderson, MD, UNITED STATESConservative Management Lars Engebretsen, MD, PhD, NORWAYPhyseal Sparing Reconstruction Allen F. Anderson, MD, UNITED STATESTransphyseal Reconstruction Stewart J. Walsh, FRACS, NEW ZEALANDDiscussion & Case Presentations Lars Engebretsen, MD, PhD, NORWAY
2013 Congress Lecture Video 2013 Not yet rated
Knee Ligaments ACL Trauma Instability MRI Rehabilition / Physical Therapy Sport Specific Injuries Evidence Based Medicine Outcome Studies
ISAKOS Newsletters PDF 2009 Not yet rated
Elizabeth A. Arendt, MD, UNITED STATES
Pediatric / Adolescent Knee Patellofemoral Ligaments Dislocation Medical Aspects Outcome Studies Arthroscopy Repair / Reconstruction Recurrent Subluxation and Dislocation