AI Article Synopsis
- The study analyzed the long-term outcomes of 122 hip surgeries conducted for osteonecrosis over at least 10 years.
- Revision surgeries occurred in 7 cases due to issues like excessive wear and infection.
- The findings showed a 15-year survival rate of 88.5%, highlighting that keeping socket wear below 0.1 mm/year is crucial for successful long-term results.
Article Abstract
The purpose of this retrospective study was to report the minimum 10-year follow-up results of a consecutive series of 122 cemented low-friction total hip arthroplasties performed for osteonecrosis. Revision was performed for high polyethylene wear associated with periprosthetic osteolysis and socket loosening in 6 hips, and for deep sepsis in 1. The survival rate at 15 years, using revision for any reason as the end point, was 88.5%. Among the variables studied in this series, the only factor associated with a higher risk of revision was a socket wear rate greater than 0.1 mm/y. This series indicated that cemented low-friction total hip arthroplasty performed for avascular necrosis could grant satisfactory long-term results, provided that polyethylene socket wear remained below 0.1 mm/y.
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| http://dx.doi.org/10.1016/j.arth.2005.05.028 | DOI Listing |
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