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Concurrent Negative Impact of Undernutrition and Heart Failure on Functional and Cognitive Recovery in Hip Fracture Patients

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Journal Nutrients
Date 2023 Nov 25
PMID 38004194
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Abstract

Evidence on the effects of frailty, undernutrition, and heart failure (HF) on patients with hip fractures is scarce. This retrospective cohort study aimed to examine the effects of undernutrition and HF on outcomes in patients who underwent convalescent rehabilitation after hip fracture. Undernutrition was defined as body mass index (BMI) < 20.0 (Low BMI). Heart failure (HF) was defined as a B-type natriuretic peptide (BNP) > 100 (High BNP). The study outcomes included the Functional Independence Measure motor domain (FIM-motor) and cognitive domain (FIM-cognition) at discharge. To consider the effects of low BMI, high BNP, and the simultaneous presence of both ("low BMI and high BNP"), we used multivariate linear regression analyses to examine whether these were associated with the outcomes. A total of 110 (mean age 87.4 years, 24.8% male) were analyzed. As a result, low BMI (β = -0.088, = 0.027) and high BNP (β = -0.053, = 0.015), each alone, were significantly associated with the FIM motor at discharge, whereas the simultaneous presence of "low BMI and high BNP" was significantly associated with the FIM motor at discharge, while the strength of the association was greater than each association alone (β = -0.152, = 0.010). Further, the simultaneous presence of "low BMI and high BNP" was significantly associated with FIM cognition at discharge (β = -0.109, = 0.014). Comprehensive multidisciplinary management is needed, including preoperative or early postoperative nutritional support and rehabilitation, followed by rehabilitation nutrition care management, in patients with hip fracture.

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