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Type: Artigo de periódico
Title: Is There An Association Between Body Composition, Basal Metabolic Rate, And Sleep In Elderly Patients With And Without Obstructive Sleep Apnea? [existe Associação Entre A Composição Corporal, Taxa Metabólica Basal E Sono Em Pacientes Idosos Com E Sem Apneia Obstrutiva Do Sono?]
Author: Boscolo R.A.
Esteves A.M.
de Santana M.G.
Viana V.A.R.
Grassmann V.
Tufik S.
de Mello M.T.
Abstract: Objectives: Aging is associated with morphological, functional, biochemical, and psychological alterations. The aim of this study was to verify whether basal metabolic rate (BMR) is associated with body composition and sleep in elderly men with or without obstructive sleep apnea (OSA). Methods: We evaluated 95 elderly men (69.1 ± 3.4 years old) divided into OSA and non-OSA groups. The protocol included polysomnography, BMR (performed the morning after polysomnography) and body composition evaluations. Results: The results showed that body mass index (BMI) and REM sleep percentage were positively correlated with BMR and negatively related to stage 1 sleep percentage. This model can explain 40% of the BMR variation observed. BMR was positively correlated with morphologic variables and sleep efficiency. In addition, we observed negative correlations of BMR with sleep latency and wake after sleep onset. When comparing the groups, the OSA group had higher values for weight, fat mass, arousals, and apnea-hypopnea index. The OSA group had lower percentage of REM sleep and levels of fat-free mass. Conclusion: This study identified significant associations among BMR, BMI and some sleep variables (stage 1 and REM). Despite the differences between groups in AHI, arousals some sleep parameters, weight and fat mass, BMR was not different between the OSA and non-OSA group.
Editor: FLASS
Rights: fechado
Identifier DOI: 
Date Issue: 2014
Appears in Collections:Unicamp - Artigos e Outros Documentos

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