Journal
CLINICAL NUTRITION ESPEN
Volume 55, Issue -, Pages 208-211Publisher
ELSEVIER
DOI: 10.1016/j.clnesp.2023.03.019
Keywords
Breast cancer; Survivor; Body composition; Phase angle; Cardiorespiratory fitness; Muscle volume; Myosteatosis; Muscle health
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The aim of this study was to evaluate the association between phase angle (PhA) obtained from bioelectrical impedance analysis (BIA) and health-related physical fitness (including cardiorespiratory fitness, skeletal muscle volume, and myosteatosis) among older breast cancer survivors. The results showed that higher values of PhA were associated with better health-related physical fitness among this population.
Background & aim: Phase angle (PhA) obtained from bioelectrical impedance analysis (BIA) is an indicator of cellular integrity and relates to several chronic conditions. The purpose of this secondary analysis was to evaluate the association of PhA with health-related physical fitness, namely, cardiorespiratory fitness, skeletal muscle volume, and myosteatosis (i.e. muscle health) in older breast cancer survivors. Methods: Twenty-two women >= 60 years with a body mass index (BMI) >= 25 kg/m2 and who completed chemotherapy for early-stage breast cancer were included. BIA, cardiopulmonary exercise tests and magnetic resonance imaging scans were completed before and after eight weeks of time-restricted eating.Results: At baseline, PhA was associated with cardiorespiratory fitness (R2 = 0.54, p < 0.01) and skeletal muscle volume (R2 = 0.83, p < 0.01) and myosteatosis (R2 = 0.25, p = 0.02).Results were similar at follow-up.Conclusion: Findings from this pilot study suggest that higher values of PhA are associated with better health-related physical fitness among older breast cancer survivors.(c) 2023 European Society for Clinical Nutrition and Metabolism. Published by Elsevier Ltd. All rights reserved.
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