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Results of Porous-Coated Anatomic Total Hip Arthroplasty without Cement at 25 to 30 Years: A Concise Follow-up of a Previous Report.
Journal of Bone and Joint Surgery. American Volume 2017 October 5
The purpose of this study was to update the results of a prospective series of 100 primary cementless total hip arthroplasty (THA) procedures that were performed between 1983 and 1986 with use of the Porous Coated Anatomic (PCA) system. This is one of the first prospective studies of cementless primary THA with a minimum of 25 years of follow-up. Twenty-one patients (22 hips) of the original series were alive and had clinical and radiographic follow-up at a minimum of 25 years postoperatively. Twenty-three percent (23) of all hips and 50% (11) of the hips among the living cohort had undergone revision for loosening and/or osteolysis of the acetabular component, and 7% (7) of all hips and 4.5% (1) of the hips among the living cohort were revised for loosening and/or osteolysis of the femoral component. Only 4 femoral stems were revised for isolated loosening (without osteolysis). The PCA femoral component proved to be durable at a minimum of 25 years postoperatively, while the acetabular component was less durable.
LEVEL OF EVIDENCE: Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence.
LEVEL OF EVIDENCE: Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence.
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