What question did this study set out to answer?

To assess implant survival alongside radiographic and functional outcomes of a straight cementless rectangular stem at a minimum follow-up of 30 years.

June 19, 2023The Journal of ArthroplastyOpen Access

Thirty-Year Minimum Follow-Up Outcome of a Straight Cementless Rectangular Stem

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To assess implant survival alongside radiographic and functional outcomes of a straight cementless rectangular stem at a minimum follow-up of 30 years.
Followed an initial cohort of 210 patients treated with a straight, rectangular, tapered cementless femoral stem and a threaded cup.
Evaluated 37 total hip arthroplasties across 33 surviving and available patients clinically and radiographically after a minimum follow-up of 30 years, tracking all revision surgeries.
Femoral stem 30-year survival probability was 0.92 (95% CI, 0.85 to 0.96), whereas acetabular component survival probability dropped markedly to 0.45 (95% CI, 0.30 to 0.59).
Radiographic evaluation showed proximal metaphyseal radiolucencies in 73% (n = 16) of stems, but 0% of stems exhibited radiographic loosening.

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Implication

Cohort study reveals high thirty-year stem survival but frequent cup revisions in total hip arthroplasty, indicating acetabular wear limits overall longevity.

Cite This Study

Staats et al. (2023) studied this question.

synapsesocial.com/papers/6a9a707df9da1bc1819e5985 https://doi.org/10.1016/j.arth.2023.06.028

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Implication

Cohort study reveals high thirty-year stem survival but frequent cup revisions in total hip arthroplasty, indicating acetabular wear limits overall longevity.

Thirty-Year Minimum Follow-Up Outcome of a Straight Cementless Rectangular Stem

Key Points

Discussion

Implication

Cite This Study

Thirty-Year Minimum Follow-Up Outcome of a Straight Cementless Rectangular Stem

Key Points

Discussion

Implication

Cite This Study

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