Purpose: It remains controversial whether cementless femoral components are safe in elderly patients. The aim of this study was (1) to determine the stem survival rate in patients >75 years of age who were treated with an uncemented femoral component and (2) to report clinically significant results on a mid-term follow-up.
Methods: 107 total hip arthroplasties (THA) were retrospectively evaluated in 97 patients over 75 years of age (mean age 78 years, range 75-87) treated with an uncemented femoral stem. The minimum follow-up was five years (mean 6.4 years, range 5-8). Stem survival rates, clinically meaningful outcomes, and incidence of complications were evaluated.
Results: Kaplan-Meier survival analysis, with the endpoint revision for any reason, showed a 6.4-year survival rate of 98% (95% CI, 95-99%; 63 hips at risk). The survival rates were comparable for male and female patients (log-rank test, = 0.58). The modified Harris Hip Score (mHHS) improved from 42.2 (12 to 85) points to 81.1 (22 to 97) points ( < 0.0001). Mid-term minimal clinically important difference (MCID), substantial clinical benefit (SCB), and patient acceptable symptomatic state (PASS) were 25, 84, and 70, respectively.
Conclusion: An uncemented stem is a viable option in patients over 75 years with good clinical outcomes and survivorship. Periprosthetic fractures were not a relevant failure mechanism with the stem used.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7958839 | PMC |
| http://dx.doi.org/10.3390/jcm10051019 | DOI Listing |
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