Patellofemoral Complications in TKA
Commonest source of dissatisfaction after TKA. Includes anterior knee pain, maltracking, subluxation/dislocation, fracture, loosening of patellar component. Risk factors: malrotation of femoral/tibial components, improper patellar preparation, soft tissue imbalance. Investigation: clinical exam, skyline view radiographs, CT for malrotation. Management: physiotherapy, lateral release, component revision, patellar resurfacing as indicated.
Related to
5Practised by MCQ
10What is the most common source of dissatisfaction after total knee arthroplasty (TKA)?
mcqWhich of the following is a risk factor for patellar maltracking in TKA?
mcqWhat is the purpose of the 'no-thumb test' during intraoperative assessment in TKA?
mcqWhich imaging modality is most useful for evaluating component malrotation after TKA?
mcqWhat is the normal tibial tubercle-to-trochlear groove (TT-TG) distance in TKA?
mcqWhich intraoperative maneuver can help correct lateral patellar maltracking?
mcqWhat is the main complication associated with aggressive lateral release during TKA?
mcqIf persistent patellar maltracking occurs postoperatively, what is the first step in management?
mcqWhich of the following is NOT a complication of patellofemoral joint issues after TKA?
mcqWhat is the primary goal of patellar resurfacing in TKA?