Prepared by Dr. Sefa Giray BATIBAY Despite rapid advances in implant design, navigation, and perioperative protocols, arthroplasty surgery remains surrounded by persistent misconceptions — many of which influence both surgeon behavior and patient expectations.Understanding and debunking these myths is essential for evidence-based orthopaedic care. Common Myths and the Truth Behind Them 1. “Cementless fixation is…
Prepared by Dr. Sefa Giray BATIBAY • The basic aim is to get both extension and flexion gaps rectangular, equal and balanced. This balanced tension is important for implant stability and long-term survival.• Two popular knee replacement techniques currently practiced are: “measured resection” which depends on tibial and femoral bone cuts through resection guide and…
Prepared by Dr. Kayahan KARAYTUG Robotic unicompartmental knee arthroplasty (R-UKA) is an evolution of traditional unicompartmental knee replacement, developed to improve component accuracy, reduce outliers, and enhance short-term recovery. It is indicated for isolated medial or lateral compartment osteoarthritis (Kellgren–Lawrence grade IV) when the remaining compartments are intact.💡 Approximately 20% of knee OA cases are…
Prepared by Dr. Savas CAMUR Revision TKA is a complex reconstructive procedure performed to address implant failure due to infection, aseptic loosening, instability, periprosthetic fracture, or stiffness. Proper diagnosis requires a combination of clinical, radiographic, and laboratory evaluation to identify the cause of failure. Management aims to restore joint stability, mechanical alignment, and bone stock…
Prepared by Dr. Sefa Giray BATIBAY Patellofemoral arthroplasty is a type of partial knee replacement in which surgical option for isolated patellofemoral arthritis. Two different designs include; • Inlay-style designed (previous generation)o Positioning Inset flush with native trochleao Rotation Determine by native trochleao Narrowero No further proximal extension than native trochlear surface • Onlay-style designed…
Prepared by Dr. Savas CAMUR Despite advances in implant design, surgical technique, and perioperative protocols, instability continues to challenge both surgeons and patients.Hip dislocation remains one of the most feared complications following total hip arthroplasty (THA), associated with higher morbidity, increased healthcare costs, and up to 25% of all revision procedures. Hip Dislocations and Instability…
Prepared by Dr. Savas CAMUR Vancouver B2 fractures—those with a loose stem but adequate bone stock—remain the most debated subtype in terms of optimal management, with recent meta-analyses redefining treatment algorithms.Periprosthetic femoral fractures (PPF) represent one of the most challenging complications after total hip arthroplasty (THA). Their incidence is rising sharply worldwide, driven by increasing…
Prepared by Dr. Kayahan KARAYTUG Revision Total Hip Arthroplasty (rTHA) addresses failure or complications of primary hip arthroplasty, including aseptic loosening, periprosthetic fracture, infection, and instability. As primary THA volumes increase globally, rTHA has become more common. Outcomes depend on etiology, implant selection, and restoration of biomechanics rather than mere component replacements. Revision Hip Arthroplasty …
Prepared by Dr. Kayahan KARAYTUG Periprosthetic Joint Infection (PJI) is one of the most devastating complications of arthroplasty. Although uncommon (≈1–2%), it is a leading cause of revision surgery and implant failure. Biofilm formation on implant surfaces makes eradication difficult and often necessitates complex surgical management. Periprosthetic Joint Infection (PJI) Pathophysiology & Risk Factors Diagnosis…
Prepared by Dr. Kayahan KARAYTUG Preoperative templating is a cornerstone of modern arthroplasty planning. It helps anticipate anatomical variation, guides implant selection and positioning, and prevents intraoperative surprises such as limb length discrepancy, instability, or cortical perforation.Traditional acetate templating with preset magnification (commonly 120%) often leads to magnification errors (actual 109–128%), while digital templating has…
