Shift Work and Metabolic Syndrome Updates: A Systematic Review.

Autor:	Schettini MAS; Department of Medicine, Medical School, Federal University of São Francisco Valley, Petrolina, PE, Brazil., Passos RFDN; Department of Medicine, Medical School, Federal University of São Francisco Valley, Petrolina, PE, Brazil., Koike BDV; Department of Medicine, Medical School, Federal University of São Francisco Valley, Petrolina, PE, Brazil.
Jazyk:	angličtina
Zdroj:	Sleep science (Sao Paulo, Brazil) [Sleep Sci] 2023 Jul 06; Vol. 16 (2), pp. 237-247. Date of Electronic Publication: 2023 Jul 06 (Print Publication: 2023).
DOI:	10.1055/s-0043-1770798
Abstrakt:	Shift work can cause circadian cycles disturbances and misaligns the endogenous rhythms. The physiological variables are driven by the circadian system and, its misalignment, can impair the metabolic functions. Thus, the main objective of this study was to evaluate the metabolic alterations as a result of shift work and night work reported in articles published in the last 5 years, using the eligibility criteria both gender and indexed articles in English language. In order to execute this work, we perform a systematic review according to PRISMA guidelines and searched about Chronobiology Disorders and Night Work, both related to metabolism, in Medline, Lilacs, ScienceDirect and Cochrane. Cross-sectional, cohort and experimental studies with low risk of bias were included. We found a total of 132 articles, and, after the selection process, 16 articles remained to be analyzed. It was observed that shift work can cause circadian misalignment and, consequently, some metabolic parameters alterations such as an impaired glycemic control and insulin functioning, cortisol phase release, cholesterol fractions imbalance, changes in morphological indexes and melatonin secretion. There are some limitations, such as heterogenicity in used databases and the 5 years restriction period, because the effects of sleep disturbance may have been reported earlier. In conclusion, we suggest that shift work interferes with the sleep-wake cycle and eating patterns, which cause crucial physiological alterations that, together, can lead to metabolic syndrome. (Brazilian Sleep Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. ( https://creativecommons.org/licenses/by-nc-nd/4.0/ ).)
Databáze:	MEDLINE
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