Courtesy: Dr. Krishna Kiran, Dr Ashok Shyam, Ortho TV Introduction Dual mobility systems are used in total hip replacement to reduce the risk of hip dislocation. They should not be considered a solution for poorly performed surgery. Proper surgical technique and accurate component positioning remain essential for stability. Understanding Hip Stability in Arthroplasty The native […]
Functional Alignment : Knee Arthroplasty
Courtesy: Dr. Jon Conroy, Dr Ashok Shyam, Ortho TV
Bilateral THR in Single Setting: Where we Stand
Courtesy: Dr Rajesh Malhotra, Dr Ashok Shyam, Ortho TV Overview Simultaneous bilateral total hip replacement refers to replacing both hip joints during the same surgical session. This approach is increasingly practiced in carefully selected patients with disease affecting both hips. Improvements in anesthesia, surgical techniques, and perioperative care have contributed to the growing acceptance of […]
Mechanical Alignment Principle in TKA
Courtesy: Dr Ashok Rajgopal, Dr Ashok Shyam, Ortho TV Total Knee Arthroplasty Alignment Philosophies: The Critical Evidence-Based Perspective The Driver Behind Alternate Alignments: Patient Dissatisfaction The Core Argument: Contemporary proponents of alternate alignments argue that traditional techniques leave up to 15% to 20% of total knee arthroplasty (TKA) patients dissatisfied with their joint function. The […]
Spino Pelvic Mobility in THA
Courtesy: Dr Anil Oommen, Dr Ashok Shyam, Ortho TV Overview Spinopelvic mobility has gained increasing attention in recent years in the field of total hip arthroplasty. Many cases of postoperative dislocation are now understood to be related to overlooked factors involving the interaction between the spine and the pelvis. Understanding this relationship is important for […]
Restricted Kinematic Alignment in TKR
Courtesy: Dr Makridis Konstantinos, Dr Ashok Shyam, Ortho TV Robotic-Assisted Total Knee Arthroplasty: Kinematic and Restricted Kinematic Alignment (rKA) Fundamental Biomechanics of Knee Kinematics Primary Cylindrical Flexion Axis: The transverse axis of the distal and posterior femoral condyles guides the flexion-extension arc. Asymmetric Native Rollback: During deep flexion, the medial femoral condyle exhibits minimal anteroposterior […]
Kinematic Alignment Pros and Cons
Courtesy: Dr Krishna Kiran, Dr Ashok Shyam, Ortho TV Knee Kinematics and Total Knee Arthroplasty Alignment Philosophies Native Knee Kinematic Anatomy Asymmetric Joint Morphology: Medial and lateral femoral condyles and tibial plateaus are asymmetric. Meniscal Constraints: The medial meniscus is firmly anchored to the deep medial collateral ligament (MCL). The lateral meniscus is mobile, sliding […]
Causes of Failure in Hip Arthroplasty
Courtesy: Dr Harish Bhende, Dr Ashok Shyam, Ortho TV Introduction Total hip arthroplasty became widely successful after the development of modern hip replacement designs that combined metal components with polyethylene bearings. Early results were highly encouraging, and the procedure was widely considered one of the most successful operations in orthopaedic surgery. However, within about a […]
Two Stage Revision, the Gold Standard for Infected TKR
Courtesy: Dr Hemant Wakankar, Dr Ashok Shyam, Ortho TV Two-Stage Revision for Periprosthetic Joint Infection (PJI) Core Concept & Rationale Primary Concern: Recurrent infection remains the main driver for choosing two-stage revision. Gold Standard: Two-stage exchange arthroplasty remains the benchmark for chronic PJI eradication. Microbiological Prerequisite: Discontinue all systemic antibiotics for at least 2 weeks […]
Alternate Alignment Future in TKA
Courtesy: Dr Dragan Jeremic, Dr Ashok Shyam, Ortho TV
Alignment Difference in Kinematic vs Mechanical Robotic TKA
Courtesy: Dr Jonathan M Vigdorchik, Dr Ashok Shyam, Ortho TV
Sacroiliac Joint fusion
Courtesy: Dr Hamid R Abbasi, Dr Ashok Shyam, Ortho TV Sacroiliac Joint Dysfunction – High-Yield Review Introduction Sacroiliac (SI) joint dysfunction is an important and frequently underdiagnosed cause of low back pain. Recognition of SI joint pathology dates back to the early 1900s, yet it continues to be overlooked in many patients with persistent […]
Stem Cell Therapy Concepts for Chronic Spinal Cord Injury
Courtesy: Dr Hidenori Suzuki, Dr Ashok Shyam, Ortho TV Stem Cell Therapy and Regenerative Strategies for Chronic Spinal Cord Injury Pathophysiology of Chronic Spinal Cord Injury Glial Scarring: Reactive astrocytes produce inhibitory extracellular matrix components, forming a dense glial scar that acts as a physical and biochemical barrier to axonal regeneration. Cystic Cavitation: Post-traumatic […]
Partial Repair vs Spacer Concepts in Rotator Cuff Tear
Courtesy: Dr Philipp Moroder, Dr Ashok Shyam, Ortho TV
Digital Templating and Patient-Specific Instrumentation in Osteotomy
Courtesy: Dr Anil Ranawat, Dr Ashok Shyam, Ortho TV