Associations between Intra-Assessment Resting Metabolic Rate Variability and Health-Related Factors
Metadatos
Afficher la notice complèteEditorial
MDPI
Materia
Metabolic cart CCM Express CPX Ultima CardiO2 Indirect calorimetry Sexual dimorphism Cardiovascular diseases
Date
2022-12-04Referencia bibliográfica
Alcantara, J.M.A.; Osuna-Prieto, F.J.; Plaza-Florido, A. Associations between Intra-Assessment Resting Metabolic Rate Variability and Health-Related Factors. Metabolites 2022, 12, 1218. [https://doi.org/10.3390/metabo12121218]
Patrocinador
Spanish Ministry of Economy and Competitiveness (DEP2016-79512-R and PTA 12264-I); Spanish Ministry of Education, Culture and Sport (FPU15/04059, FPU16/02828, and FPU 16/02760); University of Granada, Plan Propio de Investigación 2020 Programa de Contratos Puente; Grant FJC2020-044453-I MCIN/AEI/10.13039/501100011033; European Union NextGenerationEU/PRTR; NIH grant #: U01 TR002004 (REACH project); Unit of Excellence on Exercise and Health (UCEES); EXERNET Research Network on Exercise and Health in Special Populations (DEP2005-00046/ACTI); Unit of Excellence in Sport and Health (UCEES); Junta de Andalucía, Consejería de Conocimiento, Investigación y Universidades and European Regional Development Funds (ref. SOMM17/6107/UGR)Résumé
In humans, the variation in resting metabolic rate (RMR) might be associated with health-related factors, as suggested by previous studies. This study explored whether the intra-assessment RMR variability (expressed as a coefficient of variation (CV; %)) is similar in men and women and if it is similarly associated with diverse health-related factors. The RMR of 107 young, and relatively healthy adults, was assessed using indirect calorimetry. Then, the CV for volumes of oxygen consumption (VO2) and carbon dioxide production (VCO2), respiratory exchange ratio (RER), and resting energy expenditure (REE) were computed as indicators of intra-assessment RMR variability. Body composition, cardiorespiratory fitness (peak VO2 uptake), circulating cardiometabolic risk factors, and heart rate and its variability (HR and HRV) were assessed. Men presented higher CVs for VO2, VCO2, and REE (all p <= 0.001) compared to women. Furthermore, in men, the intra-assessment RER variability was associated with vagal-related HRV parameters and with mean HR (standardized beta = -0.36, -0.38, and 0.41, respectively; all p < 0.04). In contrast, no associations were observed in women. In conclusion, men exhibited higher variability (CVs for VO2, VCO2, and REE) compared to women. The CV for RER could be a potential marker of cardiometabolic risk in young men.