What question did this study set out to answer?

This research aims to compare the incidence of early complications, specifically periprosthetic femoral fracture and stem subsidence, associated with different femoral stem designs in total hip arthroplasty.

June 15, 2026Scientific ReportsOpen Access

Propensity-matched comparison of early femoral complications after cementless total hip arthroplasty with different stem designs

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Authors

SISatoshi IkemuraKyushu University KSKyohei ShiomotoKyushu University GMGoro MotomuraKyushu University

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Overview

Randomized trial compares early complications of different femoral stem designs in cementless total hip arthroplasty, suggesting design implications.

Key Points

This research aims to compare the incidence of early complications, specifically periprosthetic femoral fracture and stem subsidence, associated with different femoral stem designs in total hip arthroplasty.
Retrospective review of 753 fit-and-fill and 526 tapered-wedge stem THAs from January 2013 to June 2020.
Used propensity score matching for age, sex, body mass index, and femoral morphology, resulting in 478 matched THAs for each stem design.
Analyzed radiographic findings and perioperative complications using univariate and multivariate analyses.
Perioperative PFF rates were 2.3% for fit-and-fill and 0.6% for tapered-wedge stems (P=0.026, OR=3.7).
Stem subsidence rates were 7.2% for fit-and-fill and 1.5% for tapered-wedge stems (P<0.001, OR=5.2).

Cite This Study

Ikemura et al. (2026) studied this question.

synapsesocial.com/papers/6a2f96b4a1cfeec490828039 https://doi.org/10.1038/s41598-026-57681-1

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June 15, 2026Scientific ReportsOpen Access

Propensity-matched comparison of early femoral complications after cementless total hip arthroplasty with different stem designs

View Full Paper

Ask AI

Bookmark

Authors

SISatoshi IkemuraKyushu University KSKyohei ShiomotoKyushu University GMGoro MotomuraKyushu University

Discussion

Member takes

Overview

Randomized trial compares early complications of different femoral stem designs in cementless total hip arthroplasty, suggesting design implications.

Key Points

This research aims to compare the incidence of early complications, specifically periprosthetic femoral fracture and stem subsidence, associated with different femoral stem designs in total hip arthroplasty.
Retrospective review of 753 fit-and-fill and 526 tapered-wedge stem THAs from January 2013 to June 2020.
Used propensity score matching for age, sex, body mass index, and femoral morphology, resulting in 478 matched THAs for each stem design.
Analyzed radiographic findings and perioperative complications using univariate and multivariate analyses.
Perioperative PFF rates were 2.3% for fit-and-fill and 0.6% for tapered-wedge stems (P=0.026, OR=3.7).
Stem subsidence rates were 7.2% for fit-and-fill and 1.5% for tapered-wedge stems (P<0.001, OR=5.2).

Cite This Study

Ikemura et al. (2026) studied this question.

synapsesocial.com/papers/6a2f96b4a1cfeec490828039 https://doi.org/10.1038/s41598-026-57681-1

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