While innovation drives advancement, it is not immune to failure. Previously, we reported a corrosion-related revision rate of 28% (23 of 81 total hip arthroplasties) among patients who received the Rejuvenate modular-neck stem implant with short-term follow-up. Because we observed a dramatic interval failure rate after our initial report, we undertook this study.
The Rejuvenate modular-neck stem implant (Stryker Orthopaedics, Mahwah, New Jersey) was recently recalled due to corrosion at the femoral neck-stem junction. The purpose of this study was to investigate the rate of corrosion-related failure and survivorship of this implant and analyze the correlation of implant and patient factors with serum metal ion levels and revisions.
The rotating-platform, posterior-stabilized knee was designed to decrease polyethylene wear and to address challenges associated with Low Contact Stress mobile-bearing knees. The purpose of the present prospective study was to investigate the long-term clinical and radiographic results and the survival rate for this implant.
Preoperative risk stratification and optimization of preoperative care may be helpful in reducing readmission rates after primary total joint arthroplasty. Assessment of the predictive value of individual modifiable risk factors without a tool to assess cumulative risk may not provide proper risk stratification of patients with regard to potential readmissions. As part of a Perioperative Orthopaedic Surgical Home model, we developed a scoring system, the Readmission Risk Assessment Tool (RRAT), which allows for risk stratification in patients undergoing elective primary total joint arthroplasty at our institution. The purpose of this study was to analyze the relationship between the RRAT score and readmission after primary hip or knee arthroplasty.
A high hip center total hip arthroplasty (THA) for dysplasia allows more complete socket coverage by native bone at the expense of abnormal hip biomechanics. Despite poor results with cemented components, intermediate-term results with cementless cups at a high hip center have been promising, but there are few reports at long-term followup without bone graft.
The Rejuvenate modular-neck stem implant (Stryker Orthopaedics, Mahwah, New Jersey) was recently recalled due to corrosion at the femoral neck-stem junction. The purpose of this study was to investigate the rate of corrosion-related failure and survivorship of this implant and analyze the correlation of implant and patient factors with serum metal ion levels and revisions.
Traditional methods for correcting a severe varus and flexion deformity of the knee during total knee arthroplasty can often lead to excessive release of the medial collateral ligament, hematoma formation, and reliance on constrained implants. The “inside-out” technique for correction of varus deformities involves performing a posteromedial capsulotomy at the level of the tibial cut and incising the superficial medial collateral ligament in a pie-crust manner in extension followed by serial manipulations with valgus stress. Our hypothesis was that this technique effectively corrects severe knee varus and flexion deformity with a reduced risk of complications.
