A second-generation cementless total hip arthroplasty mean 9-year results |
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Authors: | Surdam Jonathan W Archibeck Michael J Schultz Steven C Junick Daniel W White Richard E |
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Institution: | New Mexico Center for Joint Replacement Surgery, New Mexico Orthopaedics, Albuquerque, New Mexico 87106, USA. |
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Abstract: | Two hundred fifty-eight primary total hip arthroplasties in 231 patients were implanted using a circumferentially, proximally porous-coated, collared femoral component and a cementless, hemispherical, porous-coated acetabular component and followed up for a mean of 9 years (5-14 years). Four femoral components were revised (2 stems for infection and 2 stems for aseptic loosening). One additional femoral component was radiographically loose at last follow-up. Nine hips underwent acetabular revision (4 for instability, 2 for infection, 2 for loosening, and 1 for osteolysis). Ten-year survivorship with revision or loosening of any component as the end point was 92%; with femoral component aseptic loosening as end point, survivorship was 98%; with acetabular aseptic loosening as the end point, survivorship was 99%. Osteolysis was identified in 26 hips (13%). |
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Keywords: | total hip arthroplasty second-generation proximally porous-coated femoral component osteolysis survivorship |
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