AI Article Synopsis
- Short-stem prostheses offer an alternative to conventional prostheses, promising benefits like less invasive surgery and better load transfer, but data on complications and durability are limited.
- A study analyzing 1327 patients showed low intraoperative (3.77%) and direct postoperative (2.44%) complication rates, with 15 conversions to straight-stem implants necessary.
- Long-term implant survival rates were high, with 95.66% after 5 years and 95.50% after 15 years, suggesting short-stem THA could be a good option for younger patients.
Article Abstract
Short-stem prostheses were introduced as an alternative to conventional straight-stem prostheses. Despite their benefits, including minimally invasive approaches, soft-tissue- and bone-sparing implantation, and physiological load transfer to the metaphysis, data on postoperative complication and revision rates as well as on implant survival are scarce. A retrospective analysis of 1327 patients who underwent primary total hip arthroplasty (THA) using the Metha short stem between 2006 and 2023 was conducted. Complication and revision rates were analysed for the intraoperative, direct postoperative, and follow-up episodes. Implant survival was analysed with the endpoint of all-cause stem revision. Intraoperative complications were observed in 3.77% of the cases and included 44 hairline cracks and 6 fractures. In 15 cases (30.0%), conversion to a straight-stem or revision implant was necessary. The direct postoperative complication rate was 2.44%, and 11 revision procedures were performed during inpatient stay (0.84%). Mean follow-up was 7 years (range 1-17). During follow-up, femoral component revision was performed in 60 cases. Aseptic loosening and stem subsidence accounted for a combined percentage of 80% of all indications. Implant survival rate was 95.66% after 5 years, 95.58% after 10 years, and 95.50% after 15 years. Our study provides a comprehensive analysis of postoperative complication and revision rates in a large sample undergoing primary short-stem THA. Postoperative complication rates were favourable, and the long-term implant survival rates were comparable to conventional straight-stem prostheses. Therefore, short-stem THA may be considered an alternative for younger patients.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11242722 | PMC |
| http://dx.doi.org/10.3390/jcm13133779 | DOI Listing |
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