Reliability of bioimpedance and indirect calorimetry to evaluate resting metabolic rate in Brazilian women with metabolic syndrome |
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| Authors: | Claudio Melibeu Bentes Anderson Luiz Bezerra da Silveira Fabrizio Di Masi Monique Resende Claudia Netto Lizanka P.F. Marinheiro |
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| Affiliation: | 1. Laboratory of Physiology and Human Performance, Department of Physical Education and Sports, Federal Rural University of Rio de Janeiro, Seropedica, Brazil;2. Laboratory of Strength Training, Kinanthropometry and Human Performance, Department of Physical Education and Sports, Federal Rural University of Rio de Janeiro, Seropedica, Brazil;3. Oswaldo Cruz Foundation, Fernandes Figueira Institute, Gynecologic and Obstetrics Department, Rio de Janeiro, RJ, Brazil;4. Department of Biochemistry, Federal University of the State of Rio de Janeiro (UNIRIO), Rio de Janeiro, RJ, Brazil;5. Graduate Program Multicentric in Physiological Sciences, Department of Physiological Science, Brazilian Society of Physiology/ Federal Rural University of Rio de Janeiro, Seropedica, Brazil;6. Department of Physical Education and Sports, Institute of Education, Federal Rural University of Rio de Janeiro, Seropedica-RJ, Brazil |
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| Abstract: | Background and aimsPrecise evaluation of resting metabolic rate (RMR) is critical, especially for seniors in syndromes conditions. The study aimed to compare different methods and devices to evaluate the resting metabolic rate and assess them’ reliability in Brazilian women with metabolic syndrome.MethodsA single-center prospective study with forty elderly postmenopausal women was performed to verify the reliability of indirect calorimetry (IC) versus Bioimpedance (BIA) on RMR fluctuations for an interval length of six months.ResultsMeasurements showed a high correlation between devices at baseline [BIA vs IC, intraclass correlation coefficient (ICC) = 0.906 (0.822–0.950)]. Surprisingly, a high correlation was kept between BIA and IC after six months [BIA vs. IC, ICC = 0.909 (0.829–0.952)]. The results suggest that both BIA and IC are excellent strategies to measure RMR in elderly postmenopausal women and with metabolic syndrome.ConclusionsHowever, the BIA method presents greater convenience, optimizes patients’ time, and does not require prolonged fasting to obtain good reliable results compared to IC. |
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| Keywords: | Reproducibility Basal metabolism Metabolic diseases Menopause |
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