Musculoskeletal Key

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…

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….

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…

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…

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…

Fig. 4.1 CT arthrogram of a knee with a medial unicondylar prosthesis . Note the minimal artifact produced by the metallic hardware on this reformatted image in the coronal plane….

Fig. 19.1 Lateral radiograph shows a worrisome anterior notch on the distal femur, which could place this patient at higher risk for fracture . The surgical technique was also compromised…

Healthy patients with long-standing infection and/or high-virulence organism 4 g vancomycin and 4.8 g tobramycin per 40 g bag of simplex bone cement Standard dosing in patients with no major comorbidities 3 g vancomycin…

Fig. 13.1 Well-fixed cemented revision implants Finally, when considering the incorporation of allograft into a revision construct, Completo et al. [7] investigated the effect that stems had in stress shielding…

Fig. 10.1 Photograph depicting an implant specific tibial sleeve (DePuy; Warsaw, IN) Recent Innovations In 1999, Bobyn et al. [12] studied cylindrical porous tantalum implants in a transcortical canine model…