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      Disincronía circadiana y su efecto sobre parámetros de síndrome metabólico en trabajadores: revisión integradora de la literatura Translated title: Circadian dyssynchrony and its effect on metabolic syndrome parameters in workers: An integrative literature review

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          Abstract

          RESUMEN: Introducción: La pérdida del ritmo circadiano causado por desórdenes del sueño es considerada un factor de riesgo importante para desarrollar enfermedades metabólicas como hiperglicemia y resistencia a la insulina. Objetivo: Analizar la literatura existente referente a estudios sobre disincronía circadiana en trabajadores y su influencia sobre parámetros antropométricos de síndrome metabólico de los mismos. Método: Se realizó una búsqueda en las bases de datos electrónicas EBSCO, Thompson Reuters, PubMed y Scopus, los términos de búsqueda seleccionados fueron: trabajo por turnos, melatonina, cortisol, síndrome metabólico, trabajo nocturno y ritmo circadiano, en los idiomas español e inglés, publicados de enero del 2015 a diciembre de 2018. La extracción se llevó a cabo utilizando un formulario prediseñado. Resultados La búsqueda en las bases de datos arrojó 5,953 artículos, posterior a la indagación y depuración de los mismos aplicando los criterios de elegibilidad, se obtuvieron 13 artículos los cuales se organizaron en dos dimensiones para su análisis, estas se denominaron a) trabajo en turnos y factores de riesgo metabólico y b) trabajo en turnos y ciclo circadiano. Conclusiones: Es consistente la relación entre el trabajo nocturno o rotatorio, con diversas alteraciones metabólicas.

          Translated abstract

          ABSTRACT: Introduction: The loss of the circadian rhythm caused by sleep disorders is considered an important risk factor for developing metabolic diseases such as hyperglycemia and insulin resistance. Objective: Analyze the existing information regarding studies on circadian dyssynchrony in workers and its influence on metabolic syndrome of anthropometric parameters. Method: A search was carried out in electronic databases such as EBSCO, Thompson Reuters, PubMed, and Scopus; the selected search terms were shift work, melatonin, cortisol, metabolic syndrome, night shift, and circadian rhythm in Spanish and English published from January 2015 to December 2018. The extraction was carried out using a predesigned form. Results: The search in the databases yielded 5,953 papers; after the investigation and depuration of the aforementioned papers applying the eligibility criteria, 13 papers were obtained which were organized in two dimensions for their analysis, these were called a) shift work and metabolic risk factors, and b) shift work and the circadian cycle. Conclusions: The relationship between night work or rotating shift with various metabolic disorders is consistent.

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          Shift work and its association with metabolic disorders

          Although the health burden of shift work has not been extensively studied, evidence suggests that it may affect the metabolic balance and cause obesity and other metabolic disorders. Sleep deprivation, circadian desynchronization and behavioral changes in diet and physical activity are among the most commonly mentioned factors in studies of the association between night work and metabolic disorders. Individual adaptation to night work depends greatly on personal factors such as family and social life, but occupational interventions may also make a positive contribution to the transition to shift work, such as exposure to bright lights during the night shift, melatonin use, shift regularity and clockwise rotation, and dietary adaptations for the metabolic needs of night workers. The evaluation of the impact of night work on health and of the mechanisms underlying this relationship can serve as a basis for intervention strategies to minimize the health burden of shift work. This review aimed to identify highlights regarding therapeutic implications following the association between night and shift work and metabolic disorders, as well as the mechanisms and pathways responsible for these relationships.
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            Systematic review of shift work and nurses’ health

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              Association of Rotating Night Shift Work with BMI and Abdominal Obesity among Nurses and Midwives

              Background Mounting epidemiological evidence suggests that night shift work may contribute to the etiology of increased body weight. The present study aimed to examine association between rotating night shift work and body mass index (BMI), and abdominal adiposity respectively among nurses and midwives. Methods A cross-sectional study was conducted among 724 female nurses and midwives, aged 40-60 years (354 rotating night shift and 370 daytime workers) in Łódź, Poland, between 2008 and 2011. Information about occupational history and potential confounders was collected during personal interviews. Anthropometric measurements of body weight, height, waist (WC) and hip (HC) circumference were made, and body mass index (BMI), waist to hip ratio (WHR) and waist to height ratio (WHtR) were calculated. GLM regression models and multinomial logit regression models were fitted to explore the association between night shift work and anthropometric parameters, with adjustment for age, body silhouette at age 20, current smoking status, packyears, marital status, and menopausal hormone therapy use. Results Cumulative night shift work showed significant associations with BMI, WC, HC and WHtR, with BMI increasing by 0.477 kg/m2 per 1000 night duties and by 0.432 kg/m2 per 10000 night shift hours, WC increasing respectively by 1.089 cm and 0.99 cm, and HC by 0.72 cm and WHtR by 0.007 cm for both metrics. Both current and cumulative night work was associated with obesity (BMI≥30kg/m2), with OR=3.9 (95%CI:1.5-9.9), in women reporting eight or more night shifts per month. Conclusion The results of the study support the previously reported relations between night shift work and development of obesity.
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                Author and article information

                Journal
                eg
                Enfermería Global
                Enferm. glob.
                Universidad de Murcia (Murcia, Murcia, Spain )
                1695-6141
                2021
                : 20
                : 62
                : 592-613
                Affiliations
                [1] orgnameUniversidad de Sonora orgdiv1División de Ciencias Biológicas y de la Salud orgdiv2Departamento de Enfermería Mexico olga.quintana@ 123456unison.mx
                Article
                S1695-61412021000200018 S1695-6141(21)02006200018
                10.6018/eglobal.426881
                f7b1ba4c-c36e-4694-aff9-3b6c837bcfd2

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 International License.

                History
                : 05 May 2020
                : 24 July 2020
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 30, Pages: 22
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                SciELO Spain

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                Síndrome Metabólico,Cortisol,Melatonin,Shift Work Schedule,Circadian Rhythm,Metabolic Syndrome,Melatonina,Trabajo Nocturno,Trabajo por turnos,Ritmo Circadiano

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