AI Article Synopsis
- The study aimed to compare the long-term clinical and radiographic results of short-curved stems versus standard-length single wedged stems in hip replacements, focusing on outcomes after at least five years.
- Data was collected from 322 total hip arthroplasties, with improvements measured using the Harris hip score and the Western Ontario and McMaster Universities Osteoarthritis Index scores, showing both options provided significant success.
- While both stem types showed similar overall results, the Fitmore stems had a higher occurrence of cortical hypertrophy and intraoperative femoral cracks compared to the M/L taper stems.
Article Abstract
Purpose: The purpose of this study was to compare the clinical and radiographic outcomes with use of short-curved stems versus standard-length single wedged stems over a minimum follow-up period of five years.
Materials And Methods: A retrospective study of primary total hip arthroplasties performed using the Fitmore stem (127 hips, 122 patients) and the M/L taper stem (195 hips, 187 patients) between October 2012 and June 2014 was conducted. The clinical and radiographic outcomes were obtained for evaluation over a minimum follow-up period of five years.
Results: In both the Fitmore and M/L taper groups, the mean Harris hip score improved from 52.4 and 48.9 preoperatively to 93.3 and 94.5 at the final follow-up, respectively (=0.980). The mean Western Ontario and McMaster Universities Osteoarthritis Index scores also improved from 73.3 and 76.8 preoperatively to 22.9 and 25.6 at the final follow-up, respectively (=0.465). Fifteen hips (Fitmore: 14 hips; M/L taper: one hip, <0.001) developed intraoperative cracks and were treated simultaneously with cerclage wiring. Radiography showed a radiolucent line in 24 hips in the Fitmore group and 12 hips in the M/L taper group (=0.125). Cortical hypertrophy was detected in 29 hips (Fitmore group: 28 hips; M/L taper group: one hip, <0.001).
Conclusion: Similarly favorable clinical and radiographic outcomes were achieved with use of both short-curved stems and standard-length single wedged stems. However, higher cortical hypertrophy and a higher rate of femoral crack were observed with use of Fitmore stems.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11162871 | PMC |
| http://dx.doi.org/10.5371/hp.2024.36.2.120 | DOI Listing |
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