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A new total knee rating system has been developed by The Knee Society to provide an up-to-date more stringent evaluation form. The system is subdivided into a knee score that rates only the knee joint itself and a functional score that rates the patient's ability to walk and climb stairs. The dual rating system eliminates the problem of declining knee(More)
The purpose of this study was to compare unicompartmental knee arthroplasty (UKA) with total knee arthroplasty (TKA) and more specifically to evaluate the role of the patella in patient preference between UKA and TKA. A group of 23 patients were chosen, each with a UKA in one knee and a TKA in the opposite knee. As a subset of the group, 13 patients were(More)
Patellofemoral complications continue to form a large proportion (up to 50%) of total knee arthroplasty (TKA) complications. If adequate attention is paid intraoperatively to patellar tracking and component position, the incidence of subluxation, component loosening, and fracture should decrease. When treating patellar subluxation and dislocation, tibial(More)
We reviewed thirty-eight cases, in thirty-six patients, of fracture of the femur distal to the base of the neck incurred in conjunction with total hip replacement. There were thirteen preoperative, eighteen intraoperative, and seven postoperative fractures. The cases were contributed by thirteen surgeons. We found that the preoperative fractures with(More)
One-hundred consecutive posterior cruciate retaining total knee arthroplasties were performed by one surgeon in 81 patients with an average age of 69 years. Diagnoses included osteoarthritis in 93 knees and rheumatoid arthritis in seven. The femoral alignment necessary to create a rectangular flexion gap was determined and compared with Whiteside's line,(More)
BACKGROUND Unicompartmental knee arthroplasty of the medial compartment has excellent long-term clinical outcomes. Arthritis isolated to the lateral compartment is much less common; subsequently, the clinical outcomes of the treatment of that condition are less frequently reported. Most commonly, the lateral compartment is approached through a lateral(More)
Unicompartmental knee replacement is an attractive concept that offers several potential advantages over bicompartmental or tricompartmental replacement, including preservation of bone stock, of the anterior and posterior cruciate ligaments, of the patellofemoral joint, and of the normal opposite compartment. Of our first 100 consecutive knees that had(More)
We retrospectively reviewed the clinical and radiographic results of total hip arthroplasty with cement in patients with juvenile rheumatoid arthritis who were less than thirty years old at the time of the index procedure. Thirty-nine patients (sixty-six hips) were managed with this procedure at our institution between 1971 and 1983. Six patients (eleven(More)
Between January 1983 and January 1991, 29 patients (31 knees) with a failed Robert Brigham metal-backed knee arthroplasty (Johnson & Johnson, Raynham, MA) underwent revision to a total knee arthroplasty (TKA). Twenty-five patients had osteoarthritis, three avascular necrosis, and one rheumatoid arthritis. The average patient age was 72.3 years (range, 49-88(More)