Femoral Alignment and Femoral Rotation
Fig. 11.1 The LE axes (from Pollice P, Lotke P, Lonner J. Principle of instrumentation and component alignment. In: The adult knee. Philadelphia: Lippincott, Williams & Wilkins; 2003. p. 1085–93,…
Tibial Alignment
Fig. 12.1 Massively obese 70-year-old woman with early mechanical failure following TKA. Varus alignment of the tibial component contributed to mechanical overloading of the medial compartment Fig. 12.2 Proper alignment…
Total Knee Arthroplasty After Failed High Tibial Osteotomy
Fig. 20.1 An AP radiograph of a previous HTO with nonunion, retained broken hardware, proximal tibial bone loss, and a sloping joint line The key issues that potentially influence the…
Salvage Knee Surgery: Arthrodesis
Fig. 28.1 A 70-year-old man with successful arthrodesis following failed two-stage reimplantation Advantages of the intramedullary rod technique include immediate weight bearing and easier rehabilitation, avoidance of external transfixation pins…
Aseptic Synovitis
Fig. 25.1. Thinning of the polyethylene tibial insert is evident with visible joint space narrowing. Significant osteolysis is seen in the tibial, most prominently anteriorly and inferiorly to the tibial…
Hinge Implants
Fig. 22.1 Walldius Mark IV prosthesis (From Jones GB. Total knee replacement-the Walldius hinge. Clinical Orthopedics and Related Research. 1973 Jul-Aug(94):50–7, with permission) The long-term clinical results with the Walldius…
Management of Extensor Mechanism during Revision Total Knee Arthroplasty
Fig. 15.1 Lateral incision with a full-thickness medial flap should be utilized when multiple incisions are present. The medial parapatellar approach is performed easily despite the lateral skin incision. Fig….
Allograft in Revision Total Knee Arthroplasty
Fig. 8.1 (a) Radiograph of a failed total knee arthroplasty, demonstrating medial tibial collapse with component liftoff on the lateral side. (b) This knee was reconstructed using a custom tibial…
Total Knee Arthroplasty Following Prior Unicompartmental Replacement
Fig. 21.1 Medial and lateral McKeever hemiarthroplasty implants Fig. 21.2 Two-piece first-generation UKA implant Second-generation implants were introduced in the 1980s, and corrected many of the problems noted with first-generation…
The Painful Total Knee Arthroplasty
Intra-articular Infection Patellofemoral Resurfaced vs. unresurfaced patella Maltracking Fracture Avascular necrosis Loosening Patellar fibrosis Overstuffing joint Wear Osteolysis Instability Valgus-varus Axial including midflexion Malalignment Arthrofibrosis Recurrent hemarthrosis Popliteus impingement Loose…
