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Alcántara Alcántara, Juan Manuel

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https://academica-e.unavarra.es/handle/2454/51594

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Alcántara Alcántara

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Juan Manuel

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Ciencias de la Salud

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0000-0002-8842-374X

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812411

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Subject: CPX Ultima CardiO2 × Author: Amaro Gahete, Francisco J. ×

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    Intra-assessment resting metabolic rate variability is associated with cardiometabolic risk factors in middle-aged adults
    (MDPI, 2023) Alcántara Alcántara, Juan Manuel; Osuna Prieto, Francisco J.; Castillo, Manuel J.; Plaza Florido, Abel; Amaro Gahete, Francisco J.; Ciencias de la Salud; Osasun Zientziak; Institute on Innovation and Sustainable Development in Food Chain - ISFOOD
    The intra-assessment resting metabolic rate variability is related to cardiometabolic health, as suggested by previous literature. We studied whether that variability (expressed as coefficient of variation [CV; %]) for oxygen consumption (VO2), carbon dioxide production (VCO2), respiratory exchange ratio (RER), and resting energy expenditure (REE) is similar between men and women, and if is similarly associated with cardiometabolic risk factors. Gas exchange in 72 middle-aged adults was measured by indirect calorimetry. Anthropometrics and body composition, cardiorespiratory fitness, circulating cardiometabolic risk factors, and heart rhythm parameters were also determined. Men and women presented similar intra-assessment resting metabolic rate variability (all p > 0.05). Notably, in men, CV for RER was positively associated with BMI and adiposity (both standardized β = 0.35, Ps ≤ 0.048), while CVs for VO2, VCO2, and REE were negatively associated (standardized β ranged from −0.37 to −0.46, all p ≤ 0.036) with cardiometabolic risk factors. In women, CVs for VCO2 and REE were negatively associated with adiposity (both standardized β = −0.36, Ps ≤ 0.041) and cardiometabolic risk Z-score (standardized β = −0.40 and −0.38, respectively, Ps ≤ 0.05). In conclusion, intra-assessment resting metabolic rate variability could be considered an indicator of cardiometabolic health in middle-aged adults.