Comparison between resting metabolic rate and indirect calorimetry in postmenopausal women

• Autor(a) principal: Bruce CARTERI, Randhall
• Data de Publicação: 2023
• Outros Autores: FELDMANN, Marceli, Silveira GROSS, Júlia, Lopes KRUGER, Renata, LOPES, André Luis, REISCHAK-OLIVEIRA, Álvaro
• Tipo de documento: Artigo
• Idioma: eng
• Título da fonte: Revista de Nutrição
• Texto Completo: https://periodicos.puc-campinas.edu.br/nutricao/article/view/7895
• topic: Basal metabolism; Calorimetry indirect; Menopause; Metabolismo basal; Calorimetria indireta; Menopausa

ObjectiveTo compare resting metabolic rate values determined by indirect calorimetry with values estimated using different predictive equations in lean and overweight postmenopausal women. MethodsTwenty-four women, who had stopped menstruating for at least two years, were subjected to anthropometric measurements and indirect calorimetry after 12-hour overnight fasting to determine, mathematically and experimentally, resting metabolic rate values. ResultsThere was no difference in the indirect calorimetry values between the groups evaluated. Difference values of resting metabolic rate were obtained with all equations used. For the lean women, there was no difference between the values obtained by indirect calorimetry and those estimated using the equations proposed by Food and Agricultural Organization, Fredix, Lazzer, and Schofield. However, in the overweight group, the resting metabolic rate values estimated using the Institute of Medicine, Berstein and Owen equations were different from those obtained by indirect calorimetry. ConclusionThis study suggests that differences in body composition in postmenopausal women influence the accuracy of predictive equations, demonstrating the need for more accurate estimation methods for resting metabolic rate in postmenopausal women with different body compositions.