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Evaluation of Using Grip Strength and Hand Muscle Cross-sectional Area to Predict Secondary Fractures Post Distal Radius Fracture

Overview
Journal Arch Osteoporos
Publisher Springer
Date 2025 Jan 17
PMID 39821704
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Abstract

Purpose: To evaluate grip strength and hand muscle cross-sectional area as predictors of secondary fracture risk in patients with a history of distal radius fracture (DRF), serving as surrogates of the diagnosis of sarcopenia.

Methods: A retrospective cohort study of 745 DRF patients was analyzed with their grip strength data using Cox proportional hazards regression, receiver operating characteristic analysis, and Kaplan-Meier analysis to predict secondary fracture risk over an average of 12 years. Hand muscle cross-sectional area was similarly analyzed.

Results: Patients with a history of DRF were predicted to have a 4.1% higher likelihood of experiencing a secondary fracture per kilogram reduction in their grip strength (p < 0.008), independent of age and sex. Patients were categorized as high-risk (≤ 16 kg), moderate-risk (17-24 kg), or low-risk (≥ 25 kg) (p < 0.001). High-risk patients showed a 2.2-fold (95% CI = 1.55-3.17) higher recurrent fracture risk compared to low-risk patients. Cumulative secondary fracture probabilities of the high-risk group patients at 5, 10, and 15 years were estimated to be 16%, 30%, and 54%, respectively.

Conclusions: Grip strength measurement, as a surrogate of sarcopenia diagnosis, effectively predicts secondary fracture risk in patients with DRF. This simple tool could improve clinical practice by identifying high-risk patients for targeted interventions to prevent recurrent fractures or even reverse functional decline.

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