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BACKGROUND AND PURPOSE There are limited population-based data on utilization, outcomes, and trends in total knee arthroplasty (TKA). The purpose of this study was to examine TKA utilization and short-term outcomes in a pre-paid health maintenance organization (HMO), and to determine whether rates and revision burden changed over time. We also studied(More)
We reviewed 90-day readmission rates for 9150 patients with a primary total hip or knee arthroplasty performed between April 2001 and December 2004. Patients with an American Society of Anesthesiologists score of 3 or greater or with perioperative complications were excluded. We correlated the readmission rate with discharge disposition to either skilled(More)
Introduction Successful post-operative telerehabilitation following total knee replacement (TKR) has been documented using synchronous (real-time) video. Bandwidth and the need for expensive hardware are cited as barriers to implementation. Web-based asynchronous visual platforms promise to address these problems but have not been evaluated. We performed a(More)
BACKGROUND The survivorship of implants after revision total hip arthroplasty and risk factors associated with re-revision are not well defined. We evaluated the re-revision rate with use of the institutional total joint replacement registry. The purpose of this study was to determine patient, implant, and surgeon factors associated with re-revision total(More)
This article reports the first available human retrieval data following the use of a new fixation system for tumor prostheses. The compliant prestress (CPS) fixation system obviates the need for long intramedullary stems. The CPS was designed to provide a stable, high-pressure, motion-free bone-implant interface that would prevent aseptic loosening and(More)
A retrospective review was conducted of all consecutive giant cell tumors treated by the senior author (JOJ) between 1975 and 1990 using the technique of aggressive curettage through a large bone window followed by acrylic cement reconstruction. Steinmann pins were used as reinforcement bars within the methacrylate in large lesions. Thirty-eight patients(More)
A therapy-specific worsening of cardiovascular stability during bicarbonate dialysis (BD) with respect to acetate-free biofiltration (AFB) have been previously reported. We further investigated the impact of the 2 therapies on electrocardiographic parameters in order to gain novel insight into the cardiac responses. Holter ECG acquired during(More)
From 1989 through 1996, 10 children affected by high grade bone tumors of the proximal tibia underwent an intraepiphyseal intercalary resection. The residual epiphyseal bone segment measured less than 2 cm in thickness in all cases and reconstruction always was performed using the combination of a vascularized fibular autograft and a massive bone allograft.(More)
We describe four cases of successful late surgical treatment of lateral condylar fractures of the humerus performed 8 weeks and 2, 5, and 14 years after injury and review the literature on the subject. We suggest that children with symptomatic nonunion and malunion of these fractures can benefit from late surgical treatment at the time of diagnosis. We(More)
Accurate projections of future demand require constant updates of current data. This article reviews the most recent usage data for primary total joint arthroplasty (TJA) in a community-based hospital system with 3.2 million members. We used administrative databases to determine plan membership, surgical volume, and age-adjusted incidence rates for TJA from(More)