ArticleClinics in orthopedic surgery2025
Midterm Results of Total Hip Arthroplasty Using a Delta Ceramic Liner with a Titanium Taper Locking Band.
Article in Clinics in orthopedic surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Backgroud: This retrospective midterm study aimed to analyze seating properties, fracture types, noisy hips, and survivorship of a delta ceramic liner with a titanium taper locking band. Methods: A total of 451 patients (538 hips) underwent cementless total hip arthroplasty using the same design delta ceramic liner. Patients' clinical functions were evaluated using Harris Hip score, and the radiological migration or loosening of cementless cups was recorded. Component survival was evaluated by Kaplan-Meier survivorship analysis, with failure defined as revision of any component or ceramic bearing for any reason. The worst-case survival scenario for noisy hip revision recommendations was estimated. Results: A total of 475 patients (514 hips) were evaluated with an average follow-up of 9.5 years (range, 5-13.9 years). One hip (0.19%) had intraoperative asymmetric seating. No hips had loosening, osteolysis, wear, or delta ceramic liner or head fracture. Three patients (0.58%) reported reproducible squeaking. Two cups were revised due to recurrent dislocation, 2 femoral stems were revised for periprosthetic fractures, and 1 hip was treated for deep periprosthetic joint infection. Kaplan-Meier survivorship analysis showed a 10-year cup survival rate of 97.8% (95% CI, 95.2%-99.9%), with any revision as the endpoint. The worst-case scenario showed a 10-year survival rate of 96.4% (95% CI, 94.2%-99.2%). Conclusions: The Delta ceramic liner with a titanium locking band on the mutlibearing cementless cup offered secure intraoperative seating properties with fewer ceramic-related complications at the midterm follow-up.
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