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Lalande A, Alexis S, Gadhari N, Mak S, Zhao J, MacNeill AJ. Improving staff wellness via an after-hours healthy sustainable meals program: A general surgery residency pilot. Healthc Manage Forum 2024; 37:390-394. [PMID: 38830637 DOI: 10.1177/08404704241253284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
Healthcare worker wellness is foundational to delivering quality care. Yet, healthcare facilities often lack access to healthy and sustainable food overnight and on weekends. Healthy, low-carbon meals were provided free of charge after hours to on-call General Surgery residents at the University of British Columbia and the impact on resident well-being assessed using pre- and post-intervention surveys. Financial and time stress reduced significantly with the provision of meals (P's < .01), while emotional and physical stress levels did not change. Average meal expenses decreased from $33 to $10 (P < .001). Increasing food access on call is an impactful intervention to improve resident health and well-being.
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Affiliation(s)
- Annie Lalande
- University of British Columbia, Vancouver, British Columbia, Canada
| | - Stephanie Alexis
- University of British Columbia, Vancouver, British Columbia, Canada
| | - Neha Gadhari
- University of British Columbia, Vancouver, British Columbia, Canada
| | - Sunny Mak
- Vancouver Coastal Health, Vancouver, British Columbia, Canada
| | - Jiaying Zhao
- University of British Columbia, Vancouver, British Columbia, Canada
| | - Andrea J MacNeill
- University of British Columbia, Vancouver, British Columbia, Canada
- Vancouver Coastal Health, Vancouver, British Columbia, Canada
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Akhlaghi M, Kohanmoo A. Sleep deprivation in development of obesity, effects on appetite regulation, energy metabolism, and dietary choices. Nutr Res Rev 2023:1-21. [PMID: 37905402 DOI: 10.1017/s0954422423000264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2023]
Abstract
Sleep deprivation, which is a decrease in duration and quality of sleep, is a common problem in today's life. Epidemiological and interventional investigations have suggested a link between sleep deprivation and overweight/obesity. Sleep deprivation affects homeostatic and non-homoeostatic regulation of appetite, with the food reward system playing a dominant role. Factors such as sex and weight status affect this regulation; men and individuals with excess weight seem to be more sensitive to reward-driven and hedonistic regulation of food intake. Sleep deprivation may also affect weight through affecting physical activity and energy expenditure. In addition, sleep deprivation influences food selection and eating behaviours, which are mainly managed by the food reward system. Sleep-deprived individuals mostly crave for palatable energy-dense foods and have low desire for fruit and vegetables. Consumption of meals may not change but energy intake from snacks increases. The individuals have more desire for snacks with high sugar and saturated fat content. The relationship between sleep and the diet is mutual, implying that diet and eating behaviours also affect sleep duration and quality. Consuming healthy diets containing fruit and vegetables and food sources of protein and unsaturated fats and low quantities of saturated fat and sugar may be used as a diet strategy to improve sleep. Since the effects of sleep deficiency differ between animals and humans, only evidence from human subject studies has been included, controversies are discussed and the need for future investigations is highlighted.
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Affiliation(s)
- Masoumeh Akhlaghi
- Department of Community Nutrition, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ali Kohanmoo
- Department of Community Nutrition, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
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Yang Y, Li SX, Zhang Y, Wang F, Jiang DJ, Wang SJ, Cao P, Gong QH. Chronotype is associated with eating behaviors, physical activity and overweight in school-aged children. Nutr J 2023; 22:50. [PMID: 37798740 PMCID: PMC10557201 DOI: 10.1186/s12937-023-00875-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 09/17/2023] [Indexed: 10/07/2023] Open
Abstract
BACKGROUND A later chronotype has been found to be associated with unhealthy habits and diseases, such as an unhealthy diet and metabolic syndrome in adults. Little is known about the association between chronotype, eating habits, physical activity and obesity. Thus, this study aimed to explore the relationships between chronotype, eating behaviors, physical activity, and overweight in Chinese school-aged children. METHODS Data from this study was based on 952 schoolchildren (10-12 y) from six primary schools that participated in China. Anthropometric measurements of height and body weight were performed. Information about sleeping habits, dietary behaviors, and other lifestyle behaviors was gathered using a self-administered questionnaire. Multiple linear regression analysis or multivariable logistic regression model was performed to assess the associations between chronotype, eating behaviors, physical activity, and overweight. RESULTS Nearly 70% (69.9%) of the participants had a self-reported morning chronotype. Multiple linear regression analysis revealed chronotype score was positively associated with physical activities (all P values < 0.001) and sleep duration (all P values < 0.001) and negatively associated with BMI, meal time, eating jet lag and social jet lag (all P values < 0.001). Multivariable logistic regression analysis showed that compared to morning types, non-morning types individuals were more likely to be overweight (OR = 1.593, P value < 0.05), and had more frequent consumption of fast food (OR = 1.616, P value < 0.05), but less frequent consumption of milk (OR = 0.716, P value < 0.05), less time taking part in moderate (OR = 1.356, P value < 0.05) or muscle strengthening (OR = 1.393, 1.877, P value < 0.05) physical activity. CONCLUSIONS This study indicates that early chronotype children are more active, have healthier dietary habits, get more sleep, have shorter social jet lag, and are less likely to be overweight than non-early chronotype children. Our findings suggest that later chronotype may be a potential indicator in the early detection of overweight, unhealthy eating, and physical inactivity behaviors. Chronotype has been found to have an important impact on individual's health. In the present study, we conducted a cross-sectional study to investigate the association between chronotype, eating behaviors, physical activity, and overweight in school-aged children. The findings showed that children with early chronotype is associated with more active, healthier dietary behaviors, longer sleep duration, short social jet lag, and a lower risk of overweight.
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Affiliation(s)
- Yong Yang
- The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315020, China
| | - Si-Xuan Li
- Ningbo Municipal Center for Disease Control and Prevention, Ningbo, Zhejiang, 315010, China
| | - Yan Zhang
- Ningbo Municipal Center for Disease Control and Prevention, Ningbo, Zhejiang, 315010, China
| | - Fei Wang
- Ningbo Municipal Center for Disease Control and Prevention, Ningbo, Zhejiang, 315010, China
| | - Dan-Jie Jiang
- Ningbo Municipal Center for Disease Control and Prevention, Ningbo, Zhejiang, 315010, China
| | - Si-Jia Wang
- Ningbo Municipal Center for Disease Control and Prevention, Ningbo, Zhejiang, 315010, China
| | - Peng Cao
- The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315020, China
| | - Qing-Hai Gong
- Ningbo Municipal Center for Disease Control and Prevention, Ningbo, Zhejiang, 315010, China.
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Tunc M, Soysal P, Pasin O, Smith L, Rahmati M, Yigitalp V, Sahin S, Dramé M. Hypomagnesemia Is Associated with Excessive Daytime Sleepiness, but Not Insomnia, in Older Adults. Nutrients 2023; 15:nu15112467. [PMID: 37299428 DOI: 10.3390/nu15112467] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 05/19/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023] Open
Abstract
The aim of this study was to investigate associations between serum magnesium levels with insomnia and excessive daytime sleepiness (EDS) in older adults. A total of 938 older outpatients were included in the study. Hypomagnesemia was defined as serum magnesium concentration below <1.6 mg/dL. Patients were divided into two groups: hypomagnesemia and normomagnesia (1.6-2.6 mg/dL). The Epworth Sleepiness Scale was implemented and scores of ≥11 points were categorized as EDS. The Insomnia Severity Index was implemented and scores of ≥8 indicated insomnia. The mean age was 81.1 ± 7.6 years. While the presence of EDS, hypertension, diabetes mellitus, and coronary artery disease were more common in the hypomagnesemia group than the normomagnesia group, Parkinson's disease was less common (p < 0.05). Hemoglobin and HDL cholesterol were lower, whereas HbA1c, triglyceride, and number of drugs used were higher in the hypomagnesemia group compared to the normomagnesia group (p < 0.05). In both univariate analysis and multivariate analysis adjusted for gender, age and all confounders, there were significant associations between hypomagnesemia and EDS [odds ratio (OR):1.7; 95% confidence interval (CI): 1.6-2.6, and OR: 1.9; 95%CI: 1.2-3.3, respectively (p < 0.05)]. There was no significant relationship between hypomagnesemia and insomnia (p > 0.05). The present study identified an association between hypomagnesemia and EDS in older adults. Therefore, it may be prudent to consider hypomagnesemia when evaluating older adults with EDS and vice versa.
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Affiliation(s)
- Muhammed Tunc
- Division of Internal Medicine, Faculty of Medicine, Bezmialem Vakif University, Istanbul 34093, Türkiye
| | - Pinar Soysal
- Division of Geriatric Medicine, Faculty of Medicine, Bezmialem Vakif University, Istanbul 34093, Türkiye
| | - Ozge Pasin
- Division of Biostatistics, Faculty of Medicine, Bezmialem Vakif University, Istanbul 34093, Türkiye
| | - Lee Smith
- Centre for Health, Performance, and Wellbeing, Anglia Ruskin University, Cambridge CB1 1PT, UK
| | - Masoud Rahmati
- Division of Physical Education and Sport Sciences, Faculty of Literature and Human Sciences, Lorestan University, Khoramabad 68151-44316, Iran
| | - Veliye Yigitalp
- Division of Geriatric Medicine, Faculty of Medicine, Bezmialem Vakif University, Istanbul 34093, Türkiye
| | - Sevnaz Sahin
- Division of Geriatrics, Department of Internal Medicine, Faculty of Medicine, Ege University, Izmir 35040, Türkiye
| | - Moustapha Dramé
- Division of Clinical Research and Innovation, University Hospitals of Martinique, 97261 Fort-de-France, France
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Wolska A, Stasiewicz B, Kaźmierczak-Siedlecka K, Ziętek M, Solek-Pastuszka J, Drozd A, Palma J, Stachowska E. Unhealthy Food Choices among Healthcare Shift Workers: A Cross-Sectional Study. Nutrients 2022; 14:nu14204327. [PMID: 36297011 PMCID: PMC9611829 DOI: 10.3390/nu14204327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 10/09/2022] [Accepted: 10/12/2022] [Indexed: 11/07/2022] Open
Abstract
Shift healthcare workers are a group particularly exposed to an increased risk of poor eating habits and are affected by many diseases. The aim of the study was to evaluate the dietary patterns (DPs), including the Polish-adapted Mediterranean Diet (Polish-aMED®) score, and dietary fat intake in association with the shift work of healthcare workers. This cross-sectional study involved 445 healthcare workers from the West Pomeranian in Poland. Dietary data were collected using an FFQ-6®. A posteriori DPs were derived with a Principal Component Analysis (PCA). The Polish-aMED® score and the individual’s percentage of energy from dietary fat (Pfat) were calculated. Healthcare shift work compared to the daily work was associated with approximately 2-times higher odds of adherence to the ‘Meat/fats/alcohol/fish’ DP in the upper tertile (OR: 2.38; 95% Cl: 1.27−4.47; p < 0.01) and higher Pfat >35% of total energy intake (OR: 1.73; 95% Cl: 1.06−2.83; p < 0.05). Healthcare shift work compared to the daily work was associated with approximately 50% lower odds of adherence to the ‘Pro-healthy’ DP in the middle tertile (OR: 0.48; 95% Cl: 0.26−0.89; p < 0.05) and a higher level of the Polish-aMED® score (OR: 0.57; 95% Cl: 0.33−0.98; p < 0.05), as well as lower odds of the constants of mealtime (OR: 0.54; 95% Cl: 0.33−0.89; p < 0.05). The obtained findings highlight the unhealthy food choices among shift healthcare workers. Thus, to avoid the negative health consequences, there is a need for nutritional education for healthcare workers, especially those working shifts.
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Affiliation(s)
- Anna Wolska
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University, 70-204 Szczecin, Poland
| | - Beata Stasiewicz
- Department of Human Nutrition, Faculty of Food Sciences, University of Warmia and Mazury in Olsztyn, Sloneczna 45F, 10-718 Olsztyn, Poland
| | - Karolina Kaźmierczak-Siedlecka
- Department of Surgical Oncology, Faculty of Medicine, Medical University of Gdańsk, Smoluchowskiego 18, 80-214 Gdańsk, Poland
| | - Maciej Ziętek
- Department of Perinatology, Obstetrics and Gynecology, Pomeranian Medical University, 70-204 Szczecin, Poland
| | - Joanna Solek-Pastuszka
- Department of Anesthesiology and Intensive Therapy, Pomeranian Medical University, 70-204 Szczecin, Poland
| | - Arleta Drozd
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University, 70-204 Szczecin, Poland
| | - Joanna Palma
- Department of Biochemical Science, Pomeranian Medical University in Szczecin, 71-460 Szczecin, Poland
- Correspondence: (J.P.); (E.S.)
| | - Ewa Stachowska
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University, 70-204 Szczecin, Poland
- Correspondence: (J.P.); (E.S.)
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Borowska B, Suder A, Kliś K, Wronka I. Associations between Sleep Duration and Anthropometric Indices of Adiposity in Female University Students. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:11681. [PMID: 36141950 PMCID: PMC9517647 DOI: 10.3390/ijerph191811681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/08/2022] [Accepted: 09/14/2022] [Indexed: 06/16/2023]
Abstract
OBJECTIVES To examine associations between sleep duration as well as time of going to sleep and anthropometric indices related to the amount and distribution of adiposity. MATERIAL A total of 969 female university students, aged 19-24 years. METHODS Participants self-reported their sleep duration. Body weight, height, and waist circumference were measured. BMI, WHR and WHtR were calculated. Statistical analyses of results involved logistic regression models. Socioeconomic status and level of stress were added as covariates. RESULTS In 15% of the sample, sleep was too short (<6 h), and 10% slept too long (>8 h). Compared to women who followed the recommended sleep duration, among short sleepers, both underweight and overweight were more frequent, while long sleepers were more likely to be overweight. A higher prevalence of abdominal obesity and increased risk of metabolic syndrome were observed in both short and long sleepers than in recommended sleepers. Irregular sleep times were connected with higher OR, both for BMI < 18.5 and BMI > 25, for WC > 80, and WHtR below 0.4 and above 0.5. Irregular sleep times also led to an increased risk of metabolic diseases prevalence. CONCLUSIONS Both too long and too short sleep increases the risk of overweight, obesity and abdominal obesity and, as a consequence, the risk of metabolic syndrome in young women.
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Affiliation(s)
- Beata Borowska
- Department of Anthropology, Faculty of Biology and Environmental Protection, University of Łódź, 90-136 Lodz, Poland
| | - Agnieszka Suder
- Department of Anatomy, University of Physical Education, 31-571 Krakow, Poland
| | - Katarzyna Kliś
- Department of Human Biology, University of Wroclaw, 50-137 Wroclaw, Poland
| | - Iwona Wronka
- Laboratory of Anthropology, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, 31-007 Krakow, Poland
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Sleep Disturbance and Metabolic Dysfunction: The Roles of Adipokines. Int J Mol Sci 2022; 23:ijms23031706. [PMID: 35163627 PMCID: PMC8835888 DOI: 10.3390/ijms23031706] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/26/2022] [Accepted: 01/29/2022] [Indexed: 12/14/2022] Open
Abstract
Adipokines are a growing group of peptide or protein hormones that play important roles in whole body metabolism and metabolic diseases. Sleep is an integral component of energy metabolism, and sleep disturbance has been implicated in a wide range of metabolic disorders. Accumulating evidence suggests that adipokines may play a role in mediating the close association between sleep disorders and systemic metabolic derangements. In this review, we briefly summarize a group of selected adipokines and their identified function in metabolism. Moreover, we provide a balanced overview of these adipokines and their roles in sleep physiology and sleep disorders from recent human and animal studies. These studies collectively demonstrate that the functions of adipokine in sleep physiology and disorders could be largely twofold: (1) adipokines have multifaceted roles in sleep physiology and sleep disorders, and (2) sleep disturbance can in turn affect adipokine functions that likely contribute to systemic metabolic derangements.
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Balieiro LCT, Gontijo CA, Marot LP, Teixeira GP, Fahmy WM, Moreno CRDC, Maia YCDP, Crispim CA. Circadian misalignment measured by social jetlag from early to late pregnancy and its association with nutritional status: a longitudinal study. Sci Rep 2021; 11:18678. [PMID: 34548528 PMCID: PMC8455574 DOI: 10.1038/s41598-021-97946-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 09/01/2021] [Indexed: 11/25/2022] Open
Abstract
A mismatch between circadian and social clocks leads to a circadian misalignment, which has been widely measured by social jetlag (SJL). There are several studies measuring SJL, but it has not been studied in pregnant women. Therefore, this study aimed to identify the occurrence of SJL throughout pregnancy and to verify whether there is an effect of pre-pregnancy body mass index (BMI) on SJL throughout pregnancy. The baseline of the present study was conducted with 205 1st trimester pregnant women of whom 100 were followed in their 2nd and 3rd trimester. SJL was calculated based on the absolute difference between mid-sleep time on workdays versus work-free days. The pre-pregnancy BMI and current BMI (kg/m2) were calculated. Linear regression and Generalised Estimating Equation (GEE) adjusted for confounders were used to determine the association between SJL and the gestational trimesters (time), and anthropometric variables. Most of the pregnant women (54.5%) presented SJL > 1 h in the first gestational trimester. We also found an isolated effect of the gestation trimester on the SJL mean. In this sense, pregnant women had a decrease in SJL from the second to the third trimester (1.33 ± 0.08 versus 1.12 ± 0.07, respectively; p = 0.012). GEE analyzes showed that pregnant women of a normal weight showed a decrease in SJL from the second to the third trimester (1.29 ± 0.11 and 0.93 ± 0.08, respectively, p = 0.032), but this was not found in the other groups of nutritional status (underweight, overweight and obesity). In addition, a positive association between SJL and pre-gestational BMI in the third trimester (β = 0.200, p = 0.046) was found. SJL is quite prevalent during the gestational period and excessive BMI both before and during pregnancy is associated with an increased risk of having SJL > 1 h in the third and second trimesters, respectively. In addition, pregnant women of normal weight—but not underweight or overweight—had decreased SJL from the second to the third trimester.
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Affiliation(s)
| | | | | | | | | | - Claudia Roberta de Castro Moreno
- Department of Health, Life Cycles and Society, School of Public Health, University of São Paulo, São Paulo, São Paulo, Brazil.,Stress Research Institute, Department of Psychology, Stockholm University, Stockholm, Sweden
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Koc Okudur S, Soysal P. Excessive Daytime Sleepiness is Associated With Malnutrition, Dysphagia, and Vitamin D Deficiency in Older Adults. J Am Med Dir Assoc 2021; 22:2134-2139. [PMID: 34181909 DOI: 10.1016/j.jamda.2021.05.035] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 05/20/2021] [Accepted: 05/26/2021] [Indexed: 02/08/2023]
Abstract
OBJECTIVES Both excessive daytime sleepiness (EDS) and nutritional deficiencies are common and can cause similar negative consequences, such as falls, and cognitive impairment in older adults, but there is no study investigating the relationship between the two. The aim of this study is to investigate the relationship between malnutrition/micronutrient deficiency and EDS in patients with and without dementia. DESIGN Cross-sectional study. SETTING AND PARTICIPANTS A total of 800 outpatients (243 of whom had dementia), aged ≥65 years, were included. METHODS All patients underwent comprehensive geriatric assessment. Mini Nutritional Assessment (MNA) scores >23.5, 17-23.5, or <17 were categorized as well-nourished, malnutrition risk, and malnutrition, respectively. Eating Assessment Tool score of ≥3 was accepted as dysphagia. Serum vitamin B12, vitamin D, and folate deficiencies were also evaluated. The Epworth Sleepiness Scale score of ≥11 points indicated EDS. RESULTS The mean age was 79.1±7.5 years. The prevalence of EDS was 22.75%. In patients with dementia, those with EDS had significantly lower MNA scores and more frequent dysphagia (P < .05). In patients without dementia, those with EDS have lower MNA scores than those without EDS; malnutrition, dysphagia, and vitamin D deficiency were higher (P < .05). In multivariable analysis adjusted for age, gender, living status, ischemic heart disease, cerebrovascular events, polypharmacy, dementia, and insomnia, the association between EDS and malnutrition [odds ratio (OR) 1.73, 95% confidence interval (CI) 1.37-2.20], dysphagia (OR 2.01, 95% CI 1.33-2.88), and vitamin D deficiency (OR 2.0, 95% CI 1.12-3.55) persisted. CONCLUSIONS AND IMPLICATIONS There is a significant relationship between EDS and malnutrition risk, dysphagia, and vitamin D deficiency in older adults. Therefore, when examining an older patient with EDS, dysphagia, malnutrition, and vitamin D levels should be evaluated, or EDS should be investigated in an older patient with malnutrition, dysphagia, and vitamin D deficiency. Thus, it will be possible to manage all these conditions more effectively.
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Affiliation(s)
- Saadet Koc Okudur
- Department of Geriatric Medicine, Manisa State Hospital, Manisa, Turkey
| | - Pinar Soysal
- Department of Geriatric Medicine, Faculty of Medicine, Bezmialem Vakif University, Istanbul, Turkey.
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Du M, Liu J, Han N, Zhao Z, Luo S, Wang H. Exploring the mediating role of serum retinol-binding protein 4 in the relationship between sleep quality and insulin resistance in pregnant women. Diabetes Res Clin Pract 2021; 176:108866. [PMID: 34023339 DOI: 10.1016/j.diabres.2021.108866] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 02/19/2021] [Accepted: 05/18/2021] [Indexed: 11/26/2022]
Abstract
AIMS We aimed to explore the mediating role of plasma retinol-binding protein 4 (RBP4) in the relationship between sleep quality and insulin resistance (IR) among pregnant women. METHODS We conducted a cross-sectional study including 263 pregnant women in the first trimester. Sleep quality was evaluated by Pittsburgh Sleep Quality Index (PSQI). The ELISA and homeostasis model assessment (HOMA) was used to analyze plasma RBP4 and estimate IR. The mediating model was used to analyze the mediating role of RBP4 in the relationship between PSQI score and IR. RESULTS In the multivariable linear regression model, the three terms were positively related with each other, PSQI score was positively associated with IR levels (β = 0.55, p < 0.05). In the mediating model, RBP4 levels mediated completely the relationship between PSQI scores and IR levels (β = 0.29, p < 0.0001). The indirect effect of RBP4 in the relation between sleep quality and IR explained 89.10% of total effect. CONCLUSIONS RPB4 may play a complete mediating role in the relation between sleep quality and insulin resistance in early pregnancy. Improvements in sleep quality in the first trimester may provide a pathway to reduce plasma RBP4, which is beneficial for less IR and GDM prevention.
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Affiliation(s)
- Min Du
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, China
| | - Jue Liu
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, China; National Health Commission Key Laboratory of Reproductive Health, Peking University Health Science Center, Beijing 100191, China; Institute for Global Health and Development, Peking University, Beijing 100871, China.
| | - Na Han
- Maternal and Child Health Hospital of Tongzhou District, Beijing 101101, China
| | - Zhiling Zhao
- Maternal and Child Health Hospital of Tongzhou District, Beijing 101101, China
| | - Shusheng Luo
- Department of Maternal and Child Health, School of Public Health, Peking University, Beijing 100191, China
| | - Haijun Wang
- Department of Maternal and Child Health, School of Public Health, Peking University, Beijing 100191, China
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Ravibabu K, Jakkam S, Ravi Prakash J, Adepu VK. Association of industrial work schedules with development of metabolic syndrome, insulin resistance, and serum adipokine concentrations. ASIAN BIOMED 2021; 15:69-77. [PMID: 37551404 PMCID: PMC10388744 DOI: 10.2478/abm-2021-0009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Background Association of work schedule in industrial workers with the progression of metabolic syndrome, insulin resistance, and serum adipokine concentrations is incompletely explored. Objective To determine the association of work schedule with the progression of metabolic syndrome, insulin resistance, and adipokine concentrations in industrial workers. Methods In a cross-sectional study design of industrial workers we compared metabolic syndrome, insulin resistance, and adipokines concentration between workers in the day shift (n = 52), rotational shift (n = 21), and night shift (n = 15). The international Diabetes Federation criteria were used to diagnose metabolic syndrome. We used a homeostatic model assessment of insulin resistance (HOMA-IR). Serum insulin, leptin, and adiponectin concentrations were measured using enzyme-linked immunosorbent assays. Serum glucose, triglyceride, and high-density lipoprotein cholesterol (HDL-C) concentrations were monitored using Prietest clinical chemistry reagents. Results The proportional difference in metabolic syndrome (0.31, 95% confidence interval [CI] 0.036-0.587, P = 0.026), median difference of leptin (0.61, 95% CI 0.186-1.034, P = 0.005), and leptin-to-adiponectin ratio (LAR; 0.45, 95% CI 0.235-0.665, P < 0.001) was significantly higher, and serum adiponectin was lower (-2.00, 95% CI -4.197 to 0.197, P = 0.07) in the night-shift workers compared with that of day-shift workers. Among rotational-shift workers, the proportional difference between metabolic syndrome (0.14, 95% CI -0.098 to 0.378, P = 0.25), median difference of leptin (0.25, 95% CI -0.124 to 0.624, P = 0.19), and LAR (0.09, 95% CI -0.099 to 0.279, P = 0.35) was higher, and serum adiponectin concentration was lower (-0.73, 95% CI -2.660 to 1.208, P = 0.46) compared with that of day-shift workers; however, the altered differences were not significant. We observed a higher proportion of difference in HOMA-IR in shift workers (night and rotation) than in day-shift workers. Conclusion Night-shift workers are vulnerable to a higher risk of metabolic syndrome, HOMA-IR, and adipokine changes.
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Affiliation(s)
- Kalahasthi Ravibabu
- Department of Biochemistry, Regional Occupational Health Centre (Southern), Indian Council of Medical Research, ICMR Complex, Bengaluru562110, Karnataka, India
| | - Surender Jakkam
- Department of Biochemistry, Regional Occupational Health Centre (Southern), Indian Council of Medical Research, ICMR Complex, Bengaluru562110, Karnataka, India
| | - Jamalpur Ravi Prakash
- Department of Biochemistry, Regional Occupational Health Centre (Southern), Indian Council of Medical Research, ICMR Complex, Bengaluru562110, Karnataka, India
| | - Vinay Kumar Adepu
- Department of Biochemistry, Regional Occupational Health Centre (Southern), Indian Council of Medical Research, ICMR Complex, Bengaluru562110, Karnataka, India
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Lin J, Jiang Y, Wang G, Meng M, Zhu Q, Mei H, Liu S, Jiang F. Associations of short sleep duration with appetite-regulating hormones and adipokines: A systematic review and meta-analysis. Obes Rev 2020; 21:e13051. [PMID: 32537891 DOI: 10.1111/obr.13051] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 05/07/2020] [Accepted: 05/07/2020] [Indexed: 12/12/2022]
Abstract
In the current study, a systematic review and meta-analysis were conducted to summarize and assess whether short sleep duration is associated with appetite-regulating hormones and adipokine levels. Reference databases were searched for studies related to sleep and appetite-regulating hormones and adipokines. Qualitative and quantitative syntheses were conducted to evaluate the relationship between sleep duration and the level of appetite-regulating hormones and adipokines, including leptin, ghrelin, adiponectin, resistin, and orexin. Twenty-one of 3536 studies, covering a total of 2250 participants, met the inclusion criteria. Leptin, ghrelin, and adiponectin were included in the meta-analysis. Ghrelin levels were higher in the short sleep group (standard mean difference [SMD] = 0.14, 95% CI [0.03, 0.25], p = 0.01). Significant differences between the short sleep group and recommended sleep group were also noted in leptin level experimental subgroup studies (SMD = 0.19, 95% CI [0.03, 0.35], p = 0.02) and ghrelin level cross-sectional subgroup studies (SMD = 0.14, 95% CI [0.02, 0.27], p = 0.03). A rise in leptin and ghrelin levels were also observed in sleep deprivation groups (SMD = 0.24, 95% CI [0.10, 0.39], p = 0.001 and SMD = 0.18, 95% CI [0.04, 0.33], p = 0.01, respectively). In conclusion, short sleep duration is associated with an increased ghrelin level, while sleep deprivation had a significant effect on the levels of both leptin and ghrelin.
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Affiliation(s)
- Jianfei Lin
- Department of Developmental and Behavioral Pediatrics, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Children Health Advocacy Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yanrui Jiang
- Department of Developmental and Behavioral Pediatrics, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Children Health Advocacy Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,MOE and Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Guanghai Wang
- Department of Developmental and Behavioral Pediatrics, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Children Health Advocacy Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,MOE and Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Min Meng
- Department of Developmental and Behavioral Pediatrics, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Children Health Advocacy Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,MOE and Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qi Zhu
- Department of Developmental and Behavioral Pediatrics, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Children Health Advocacy Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,MOE and Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hao Mei
- Children Health Advocacy Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Department of Data Science, School of Population Health, University of Mississippi Medical Center, Jackson, Mississippi, USA
| | - Shijian Liu
- Children Health Advocacy Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,MOE and Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fan Jiang
- Department of Developmental and Behavioral Pediatrics, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Children Health Advocacy Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,MOE and Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Workers’ Aging Management—Human Fatigue at Work: An Experimental Offices Study. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10217693] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The aging issue in the work context is becoming a significant element of the future sustainability of service and industrial companies. It is well known that with increasing worker age the problem of maintaining the performance and the safety level when fatigue increases is a crucial point, and fatigue increases with the age. Due to social and political developments, especially in Western countries, the retirement age is increasing and companies operate with a higher workforce mean age. Therefore, the problem of recognizing and measuring fatigue has become a key aspect in the management of aging. Note that in the scientific engineering field, the problem of fatigue evaluation when a worker is performing his/her work activities is an important issue in the industrial and service world and especially in the context of the researchers that are investigating the human reliability assessment. As it is clear from the literature, the industrial operations management are suffering from some misleading concepts that only the medicine scientific context can clarify. Therefore, the aim of this paper is to define what are the open issues and the misleading concepts present in the classical fatigue evaluation methods, and second to define two experimental curves of fatigue that will help the decision makers to minimize the impact of fatigue on the workers, thus maximizing the sustainability of the working tasks assigned. This aim is achieved by examining the medical literature about the measurement of a particular kind of fatigue related to the circadian cycle, i.e., the cognitive one; after that, a survey about the possible technologies for measurements is performed. On the basis of technology selection, an experiment on real work activities is performed and some remarkable results about the fatigue in the workers observed and the technology use and its limitations are defined.
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Schifferli-Castro I, Cofré-Jara S, Soto-Rodríguez F, Soto-Rodríguez L, Vargas-Nuñez K. Calidad de la dieta del personal de salud de un hospital chileno según el índice de alimentación saludable. REVISTA DE LA FACULTAD DE MEDICINA 2020. [DOI: 10.15446/revfacmed.v68n4.76500] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Introducción. Se ha reportado que los trabajadores hospitalarios tienen una alta probabilidad de presentar factores de riesgo modificables asociados al desarrollo de enfermedades crónicas no transmisibles, tales como mala alimentación, altos niveles de estrés y cambios de los patrones del sueño.Objetivo. Determinar la calidad de la dieta del personal de salud que usa los servicios del Casino de Funcionarios del Hospital Regional de Temuco de acuerdo a sistemas de turno, sexo y edad. Para la medición de la calidad de la dieta se utilizó el índice de alimentación saludable (IAS).Materiales y métodos. Estudio transversal realizado en 201 trabajadores (156 mujeres y 45 hombres), a quienes se les solicitó completar una encuesta sobre consumo de alimentos para evaluar sus IAS; el instrumento estuvo dividido por grupos de alimentos.Resultados. La edad promedio fue 34.8±10.7 años y el puntaje promedio de IAS fue 67.5±14.5. El 12.9% de los participantes tenía hábitos alimenticios poco saludables, el 65.2% requería cambios dietarios y el 21.9% presentaba una alimentación saludable. Se observaron diferencias estadísticamente significativas respecto al IAS según sexo (p=0.033) y edad (p=0.009), pero no entre puntaje IAS y el sistema de turnos (p=0.334). Conclusiones. La mayoría de participantes necesita modificar sus hábitos alimenticios, por lo que es necesario que en los hospitales, como lugar de trabajo, se implementen acciones que promuevan la adopción de hábitos alimenticios saludables por parte del personal de salud, en particular en el caso de los hombres, quienes tuvieron puntajes de IAS significativamente bajos en varios grupos de alimentos en comparación con las mujeres.
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Silva CM, Cunha NBD, Mota MC, Marot LP, Teixeira KRC, Cunha TM, Crispim CA. Effect of consuming a late-night high-protein/moderate-carbohydrate vs. low-protein/high-carbohydrate meal by night workers on their food perceptions later during the day: a randomized crossover study. Chronobiol Int 2020; 37:1392-1399. [PMID: 32854537 DOI: 10.1080/07420528.2020.1807561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
It is typical of night workers to consume a large dinner meal before their work shift, even though this practice may increase the risk for metabolic disorders. Night workers usually eat at night to socialize with colleagues as well as to stay alert and to avoid upset stomach during the night shift. However, little is known if and how the composition of the nighttime meal by night shift workers influences their food perceptions and eating behavior later during the day. The aim of this study was to analyze the effect of a high-protein/moderate-carbohydrate (HP/MCHO) meal vs. low-protein/high-carbohydrate (LP/HCHO) meal eaten at night by night-shift workers on their food consumption and perceptions later during the day. Fourteen male night shift workers were followed-up for 7 days for their eating and sleep habits. Then, participants underwent two isocaloric dietary events - one event a HP/MCHO meal containing 45% carbohydrate, 35% protein, and 20% fat and the other event a LP/HCHO meal containing 65% carbohydrate, 15% protein, and 20% fat, with a 6-day washout period between them - at 01:00 h during their night shift. Thereafter throughout the day, participants filled a food register of all the food consumed and perceptions, including hunger before meals, enjoyment of meals, and satiety. Generalized estimating equation analyses were used to examine the effect of both conditions on food consumption and food perceptions. Appetite for salty food snacks was greater after the HP/MCHO condition than after the LP/HCHO condition (p = .041). During the day following consumption of the nighttime HP/MCHO vs. LP/HCHO meal, there was higher percentage of carbohydrate consumption during lunch and a lower percentage of fat consumption during dinner (48.14% vs. 36.98% and 27.34% vs. 40.39%, respectively). These findings suggest the composition in terms of carbohydrates, protein, and fats of the meal consumed for the night shift by night workers may affect later during the day both food consumption and perceptions.
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Affiliation(s)
- Catarina Mendes Silva
- Graduate Program of Health Sciences, Faculty of Medicine, Federal University of Uberlândia, Minas Gerais, Brazil
| | - Nayara Bernardes Da Cunha
- Graduate Program of Health Sciences, Faculty of Medicine, Federal University of Uberlândia, Minas Gerais, Brazil
| | - Maria Carliana Mota
- Graduate Program of Health Sciences, Faculty of Medicine, Federal University of Uberlândia, Minas Gerais, Brazil
| | - Luisa Pereira Marot
- Graduate Program of Health Sciences, Faculty of Medicine, Federal University of Uberlândia, Minas Gerais, Brazil
| | | | - Thulio Marquez Cunha
- Graduate Program of Health Sciences, Faculty of Medicine, Federal University of Uberlândia, Minas Gerais, Brazil
| | - Cibele Aparecida Crispim
- Graduate Program of Health Sciences, Faculty of Medicine, Federal University of Uberlândia, Minas Gerais, Brazil
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Cunha NB, Silva CM, Mota MC, Lima CA, Teixeira KRC, Cunha TM, Crispim CA. A High-Protein Meal during a Night Shift Does Not Improve Postprandial Metabolic Response the Following Breakfast: A Randomized Crossover Study with Night Workers. Nutrients 2020; 12:nu12072071. [PMID: 32668588 PMCID: PMC7400935 DOI: 10.3390/nu12072071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 06/26/2020] [Accepted: 07/09/2020] [Indexed: 11/30/2022] Open
Abstract
The aim of this study was to compare the acute effect of a high-protein/moderate carbohydrate (HP-MCHO) versus low-protein/high-carbohydrate (LP-HCHO) meal served at night on the postprandial metabolic response of male night workers the following breakfast. A randomized crossover study was performed with 14 male night workers (40.9 ± 8.9 years old; 29.1 ± 5.3 kg/m2). Participants underwent two different isocaloric dietary conditions at 1:00 h of the night shift: HP-MCHO (45 en% carbohydrate, 35 en% protein and 20 en% fat) and LP-HCHO (65 en% carbohydrate, 15 en% protein and 20 en% fat). Postprandial capillary glucose levels were determined immediately before the intake of the test meal and 30, 60, 90 and 120 min after the end of the meal. At the end of the work shift (6:30 h), participants received a standard breakfast and postprandial levels of glucose, insulin and triglycerides were determined immediately before and then every 30 min for 2 h (30, 60, 90 and 120 min). Higher values of capillary glucose were found after the LP-HCHO condition compared to the HP-MCHO condition (area under the curve (AUC) = 119.46 ± 1.49 mg/dL × min and 102.95 ± 1.28 mg/dL × min, respectively; p < 0.001). For the metabolic response to standard breakfast as the following meal, no significant differences in glucose, insulin, triglyceride, and HOMA-IR levels were found between interventions. A night meal with a higher percentage of protein and a lower percentage of carbohydrate led to minor postprandial glucose levels during the night shift but exerted no effect on the metabolic response of the following meal. This trial was registered at ClinicalTrials.gov as NCT03456219.
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High need for recovery from work and sleep problems are associated with workers' unhealthy dietary habits. Public Health Nutr 2020; 24:2185-2194. [PMID: 32404233 DOI: 10.1017/s1368980020000063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVE We aimed to examine the association of recovery from work and sleep with workers' dietary habits. DESIGN Cross-sectional study. Need for recovery (NFR) from work was assessed with a validated questionnaire. Sleep was assessed with five questions from the Nordic Sleep Questionnaire and sleep quality question. Dietary habits were estimated using a validated sixteen food groups-containing questionnaire. Ordered logistic regression was used to explore the associations of NFR and sleep with dietary habits adjusted for age, education, marital status, work schedule, working full or part time and occupation. SETTING Follow-up visits of type 2 diabetes prevention study cohort in a Finnish airline company. PARTICIPANTS The study included 737 men and 605 women. RESULTS Poor recovery from work was associated with a higher eating frequency (OR = 1·03, 95 % CI 1·00, 1·06), higher intake of fast food (OR = 1·05, 95 % CI 1·02, 1·08) and sweets (OR = 1·05, 95 % CI 1·02, 1·08) as well as lower intake of vegetables (OR = 0·96, 95 % CI 0·93, 0·98) and fruits (OR = 0·96, 95 % CI 0·93, 0·98) among men. In women, poor recovery from work was associated with higher fast food (OR = 1·06, 95 % CI 1·02, 1·09) and desserts consumption (OR = 1·04, 95 % CI 1·00, 1·07). Among men and women, sleep problems were associated with higher eating frequency (men: OR = 1·04, 95 % CI 1·00, 1·07, women: OR = 1·06, 95 % CI 1·02, 1·11), consumption of fast food (men: OR = 1·07, 95 % CI 1·04, 1·11, women: OR = 1·06, 95 % CI 1·02, 1·10) and sweets (men: OR = 1·05, 95 % CI 1·01, 1·08, women: OR = 1·04, 95 % CI 1·00, 1·08). CONCLUSIONS Poor recovery from work and sleep problems were associated with unfavourable dietary habits especially in men.
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18
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Sleep quality and health related problems of shift work among resident physicians: a cross-sectional study. Sleep Med 2020; 66:201-206. [DOI: 10.1016/j.sleep.2019.11.1258] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Revised: 11/04/2019] [Accepted: 11/27/2019] [Indexed: 02/06/2023]
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Gupta CC, Coates AM, Dorrian J, Banks S. The factors influencing the eating behaviour of shiftworkers: what, when, where and why. INDUSTRIAL HEALTH 2019; 57:419-453. [PMID: 30404995 PMCID: PMC6685801 DOI: 10.2486/indhealth.2018-0147] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 10/31/2018] [Indexed: 06/08/2023]
Abstract
Shiftwork leads to altered eating patterns, with workers often eating foods at all times across the 24 h period. Strategies to reduce the burden of shiftwork on the workers should be prioritised and altering these eating patterns is an important area for change. This narrative review examines the current evidence on the individual and environmental factors influencing the eating behaviours of shiftworkers. A systematic search was conducted and yielded 62 articles. These were split into four themes that influence eating patterns; When shiftworkers eat, What type of foods shiftworkers eat, Where the food is sourced from, and Why shiftworkers choose to eat on shift. Irregular working hours was the biggest influence on when workers ate on shift, shift-type was the biggest influence on what workers ate, the majority of food was sourced from canteens and cafeterias, and socialising with colleagues was the biggest reason why workers chose to eat. While more research is needed to explore multiple industries and shift-types, and to investigate the ideal size, type and timing of food on shift, this review has highlighted that future research into shiftworker eating needs to adopt an integrative approach and consider the different individual and social contexts that influence eating patterns.
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Affiliation(s)
- Charlotte C Gupta
- Sleep and Chronobiology Laboratory, Behaviour Brain Body Research Centre, University of South Australia, Australia
| | - Alison M Coates
- Alliance for Research in Exercise, Nutrition and Activity, University of South Australia, Australia
| | - Jill Dorrian
- Sleep and Chronobiology Laboratory, Behaviour Brain Body Research Centre, University of South Australia, Australia
| | - Siobhan Banks
- Sleep and Chronobiology Laboratory, Behaviour Brain Body Research Centre, University of South Australia, Australia
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Bridging the Reciprocal Gap between Sleep and Fruit and Vegetable Consumption: A Review of the Evidence, Potential Mechanisms, Implications, and Directions for Future Work. Nutrients 2019; 11:nu11061382. [PMID: 31248175 PMCID: PMC6627504 DOI: 10.3390/nu11061382] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 06/12/2019] [Accepted: 06/14/2019] [Indexed: 02/06/2023] Open
Abstract
A substantial burden of disease and mortality globally is attributable to both sleep disruption and low intakes of fruit and vegetable (FV) and there is increasing mechanistic and epidemiological evidence to support a reciprocal relationship between the two. This review provides an overview of experimental and observational studies assessing the relations between sleep and FV consumption from 52 human adult studies. Experimental studies are currently limited and show inconsistent results. Observational studies support a non-linear association with adults sleeping the recommended 7–9 hours/day having the highest intakes of FV. The potential mechanisms linking sleep and FV consumption are highlighted. Disrupted sleep influences FV consumption through homeostatic and non-homeostatic mechanisms. Conversely, FV consumption may influence sleep through polyphenol content via several potential pathways. Few human experimental studies have examined the effects of FV items and their polyphenols on sleep and there is a need for more studies to address this. An appreciation of the relationship between sleep and FV consumption may help optimize sleep and FV consumption and may reduce the burden of chronic diseases. This review provides implications for public health and directions for future work.
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Spiotta AM, Fargen KM, Patel S, Larrew T, Turner RD. Impact of a Residency-Integrated Wellness Program on Resident Mental Health, Sleepiness, and Quality of Life. Neurosurgery 2018; 84:341-346. [DOI: 10.1093/neuros/nyy112] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 03/13/2018] [Indexed: 01/17/2023] Open
Affiliation(s)
- Alejandro M Spiotta
- Department of Neurosurgery, Medical University of South Carolina, Charleston, South Carolina
| | - Kyle M Fargen
- Department of Neurological Surgery, Wake Forest University, Winston-Salem, North Carolina
| | - Sunil Patel
- Department of Neurosurgery, Medical University of South Carolina, Charleston, South Carolina
| | - Thomas Larrew
- Department of Neurosurgery, Medical University of South Carolina, Charleston, South Carolina
| | - Raymond D Turner
- Department of Neurosurgery, Medical University of South Carolina, Charleston, South Carolina
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Hughes KE, Hughes PG, Hughes MJ. Sleep and Lifestyle Habits of Osteopathic Emergency Medicine Residents During Training. J Osteopath Med 2018; 118:e45-e50. [DOI: 10.7556/jaoa.2018.113] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Abstract
Context
Duty hours were enacted in 2003 with the intent to improve patient safety and resident well-being. However, limited data exist regarding improvements in residents’ well-being since the implementation of these restrictions.
Objective
To examine osteopathic emergency medicine (EM) resident characteristics regarding sleep and lifestyle habits and duty hour reporting.
Method
A convenience sample of osteopathic EM residents was surveyed at a statewide conference in May 2014. The conference included 177 residents from 15 osteopathic EM residencies. Data regarding demographics, sleep and lifestyle habits (including work-related motor vehicle incidents [MVIs] and chemical aid use for sleep/wakefulness), and duty hour reporting were collected. The Epworth Sleepiness Scale (ESS) score was calculated, with a score greater than 10 indicating sleep disturbance.
Results
Of the 128 residents (72%) who returned the survey, approximately two-thirds were female, were currently on an EM rotation, and were training in suburban emergency departments with more than 60,000 annual visits. Only 35% of respondents slept 8 or more hours per night during an EM rotation, and 63% admitted to weight change during residency. Forty-two percent of respondents had a work-related MVI, which was more likely to occur if their ESS score was greater than 11 (P<.03). Mean (SD) ESS score was 9.9 (4.8; range, 0-24). Respondents reported using chemical aids for staying awake or going to sleep on a mean (SD) of 6.9 (9.3) days per month (range, 0-30). The majority of respondents (84%) reported strict duty hour enforcement policies, few (17%) had ever been asked to falsify reports, and more than half (56%) had ever voluntarily reported false hours.
Conclusion
Most residents surveyed slept fewer than 8 hours per night and had a weight change during EM residency training. The majority of residents used a chemical aid for sleep or wakefulness. Nearly half of residents surveyed met criteria for disordered sleep, which was associated with a higher occurrence of MVIs.
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Abstract
Leptin is a peptide hormone produced mainly in white adipose tissue. It is known to regulate energy homeostasis, inflammation, metabolism, and sympathetic nerve activity. Increasing evidence suggests it has a role in ventilatory function and upper airway obstruction. Leptin levels correlate positively with measurements of adiposity and can potentially provide important insights into the pathophysiology of diseases associated with obesity. Obesity is a strong risk factor for obstructive sleep apnea, a disease characterized by periodic upper airway occlusion during sleep. The neuromuscular activity that maintains upper airway patency during sleep and the anatomy of upper airway are key factors involved in its pathogenesis. Experimental studies using animal models of a low leptin state such as leptin deficiency have shown that leptin regulates sleep architecture, upper airway patency, ventilatory function, and hypercapnic ventilatory response. However, findings from human studies do not consistently support the data from the animal models. The effect of leptin on the pathophysiology of obstructive sleep apnea is being investigated, but the results of studies have been confounded by leptin's diurnal variation and the short-term effects of feeding, adiposity, age, and sex. Improved study design and methods of assessing functional leptin levels, specifically their central versus peripheral effects, will improve understanding of the role of leptin in sleep apnea.
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So Tired: Predictive Utility of Baseline Sleep Screening in a Longitudinal Observational Survey Cohort of First-Year Residents. J Gen Intern Med 2018; 33:825-830. [PMID: 29464473 PMCID: PMC5975152 DOI: 10.1007/s11606-018-4348-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 12/27/2017] [Accepted: 01/23/2018] [Indexed: 10/18/2022]
Abstract
BACKGROUND Sleep impairment is highly prevalent among resident physicians and is associated with both adverse patient outcomes and poor resident mental and physical health. Risk factors for sleep problems during residency are less clear, and no screening model exists to identify residents at risk for sleep impairment. OBJECTIVE The objective of this study was to assess change in resident sleep during training and to evaluate utility of baseline sleep screening in predicting future sleep impairment. DESIGN This is a prospective observational repeated-measures survey study. PARTICIPANTS The participants comprised PGY-1 residents across multiple specialties at Partners HealthCare hospitals. MAIN MEASURES Main measures used for this study were demographic queries and two validated scales: the Pittsburgh Sleep Quality Index (PSQI), measuring sleep quality, and the Epworth Sleepiness Scale (ESS), measuring excessive daytime sleepiness. KEY RESULTS Two hundred eighty-one PGY-1 residents completed surveys at residency orientation, and 153 (54%) completed matched surveys 9 months later. Mean nightly sleep time decreased from 7.6 to 6.5 hours (p < 0.001). Mean PSQI score increased from 3.6 to 5.2 (p < 0.001), and mean ESS score increased from 7.2 to 10.4 (p < 0.001). The proportion of residents exceeding the scales' clinical cutoffs increased over time from 15 to 40% on the PSQI (p < 0.001) and from 26 to 59% on the ESS (p < 0.001). Baseline normal sleep was not protective: 68% of residents with normal scores on both scales at baseline exceeded the clinical cutoff on at least one scale at follow-up. Greater age and fewer children increased follow-up PSQI score (p < 0.001) but not ESS score. CONCLUSIONS During PGY-1 training, residents experience worsening sleep duration, quality of sleep, and daytime sleepiness. Residents with baseline impaired sleep tend to remain impaired. Moreover, many residents with baseline normal sleep experience sleep deterioration over time. Sleep screening at residency orientation may identify some, but not all, residents who will experience sleep impairment during training.
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Alami YZ, Ghanim BT, Zyoud SH. Epworth sleepiness scale in medical residents: quality of sleep and its relationship to quality of life. J Occup Med Toxicol 2018; 13:21. [PMID: 30008792 PMCID: PMC6043987 DOI: 10.1186/s12995-018-0203-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 07/03/2018] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Resident doctors are continuously exposed to prolonged working hours and night shifts, making them susceptible to the many physical, psychological, and cognitive side effects of sleep deprivation, which may affect their quality of life. Therefore, this study aimed to determine the prevalence of sleep penury in resident doctors and to assess the association between self-apprehended sleepiness and quality of life. METHODS A cross-sectional study was carried out in the governmental hospitals in the North of the West Bank between May 2017 and September 2017. Doctors enrolled in residency programmes completed questionnaires about general, sociodemographic, and sleep characteristics. The doctors completed the Arabic Version of the Epworth Sleepiness Scale (ArESS) to assess subjective daytime sleepiness and the RAND 36-item short-form health survey (SF-36) to determine quality of life. RESULTS A total of 101 participants were enrolled. Daytime sleepiness was observed in 37.6% (n = 38) of the participants with an ESS score of ≥10. There was a notable negative correlation between the ESS and quality of health index in the physical composition (r = - 0.351, p < 0.001) demonstrated in the following four subscales: the physical functioning (p < 0.001), role limitations due to physical health (p = 0.045), body pain (p = 0.036), and general health (p < 0.001) components of the SF-36 scale. Females and residents of the centre region had poorer mental quality (p = 0.006 and 0.020, respectively). CONCLUSIONS More than one third of the resident doctors suffer from daytime sleepiness according to the ESS. This was proven to significantly affect several aspects of their quality of life, including physical function and health, body pain, and general health. Sleep deprivation and improvement of quality of life require health promotion actions among medical residents.
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Affiliation(s)
- Yehia Z. Alami
- 0000 0004 0631 5695grid.11942.3fDepartment of Medicine, College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839 Palestine
| | - Beesan T. Ghanim
- 0000 0004 0631 5695grid.11942.3fDepartment of Medicine, College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839 Palestine
| | - Sa’ed H. Zyoud
- 0000 0004 0631 5695grid.11942.3fPoison Control and Drug Information Center (PCDIC), College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839 Palestine
- 0000 0004 0631 5695grid.11942.3fDepartment of Clinical and Community Pharmacy, Department of Pharmacy, College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839 Palestine
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Spiotta AM, Fargen KM, Denham SL, Fulton ME, Kellogg R, Young E, Patel S, Turner RD. Incorporation of a Physical Education and Nutrition Program Into Neurosurgery: A Proof of Concept Pilot Program. Neurosurgery 2017; 79:613-9. [PMID: 27465847 DOI: 10.1227/neu.0000000000001358] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Balancing the demands of a busy medical career with personal wellness can be daunting, and there is little education on these principles available to physicians in training. OBJECTIVE To implement a voluntary wellness initiative in our neurosurgery department to promote healthy lifestyle choices. This report details the baseline data collected as part of this quality improvement initiative. METHODS The wellness initiative was implemented in July 2015 and available to all faculty and resident physicians in the Department of Neurological Surgery in collaboration with the Medical University of South Carolina Wellness Center. All participants were provided a Fitbit Surge HR wrist monitor (Fitbit, Boston, Massachusetts) and underwent baseline physical and psychological testing. RESULTS Six faculty physicians and 9 residents participated. Overall physical fitness levels varied widely between subjects. Health screening demonstrated abnormalities in 80% of participants (elevated systolic blood pressure in 60%, elevated diastolic in 47%, elevated serum low-density lipoprotein in 53%). Body composition analysis demonstrated body weight higher than ideal in 69% (47% overweight; 13% obese). Recommended average body fat mass reduction was 25.4 pounds. Seventy-nine percent reported below-average quality of life compared with the average healthy adult. All subjects reported wanting more time for personal health. CONCLUSION Baseline health and psychological screenings in our department demonstrated alarmingly prevalent, previously undiagnosed abnormalities on cardiovascular and body weight screenings. Obstacles to leading a healthier lifestyle have been identified and solutions have been incorporated into the program. This quality improvement initiative may serve as a template for other programs seeking to improve physician physical and mental well-being. ABBREVIATIONS BMI, body mass indexESS, Epworth Sleepiness ScaleHR, heart rate.
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Affiliation(s)
- Alejandro M Spiotta
- Department of Neurosurgery, Medical University of South Carolina, Charleston, South Carolina
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Alves MS, Andrade RZ, Silva GC, Mota MC, Resende SG, Teixeira KR, Gonçalves BF, Crispim CA. Social Jetlag Among Night Workers is Negatively Associated with the Frequency of Moderate or Vigorous Physical Activity and with Energy Expenditure Related to Physical Activity. J Biol Rhythms 2016; 32:83-93. [DOI: 10.1177/0748730416682110] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
This cross-sectional study analyzed the association between physical activity (PA) and social jetlag (SJL) among shift workers. We evaluated 423 employees, aged between 18 and 60 years, who worked in a poultry-processing company in Brazil. Physical activity levels (PAL) were determined by the short form of the International Physical Activity Questionnaire (IPAQ-SF). SJL was calculated as the absolute difference between the time of mid-sleep on work and free days. The percentage of workers insufficiently active was high on all shifts, with no significant differences between the 3 shifts. The amount of time spent in sedentary behavior on workdays did not differ between shifts. Among night-shift workers, negative associations were observed between SJL and 1) the duration and weekly energy expenditure while walking; 2) the frequency of moderate and vigorous PA; and 3) the total energy expenditure related to PA. Even though PAL did not differ among workers on different shifts, we found a high prevalence of subjects who were insufficiently active or too sedentary among all groups. Also, SJL was negatively associated with PA in night-shift workers. These results suggest that PA should be encouraged among shift workers and that SJL may be an important factor in reducing PA in this cohort.
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Affiliation(s)
- Mariana Silva Alves
- Post-Graduate Program in Health Sciences, Faculty of Medicine, Federal University of Uberlândia, Uberlândia, Brazil
| | - Raphael Zardini Andrade
- Post-Graduate Program in Health Sciences, Faculty of Medicine, Federal University of Uberlândia, Uberlândia, Brazil
| | - Graciele Cristina Silva
- Post-Graduate Program in Health Sciences, Faculty of Medicine, Federal University of Uberlândia, Uberlândia, Brazil
| | - Maria Carliana Mota
- Post-Graduate Program in Health Sciences, Faculty of Medicine, Federal University of Uberlândia, Uberlândia, Brazil
| | - Sabrina Gonçalves Resende
- Post-Graduate Program in Health Sciences, Faculty of Medicine, Federal University of Uberlândia, Uberlândia, Brazil
| | - Kely Raspante Teixeira
- Post-Graduate Program in Health Sciences, Faculty of Medicine, Federal University of Uberlândia, Uberlândia, Brazil
| | | | - Cibele Aparecida Crispim
- Post-Graduate Program in Health Sciences, Faculty of Medicine, Federal University of Uberlândia, Uberlândia, Brazil
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Mechanick JI, Zhao S, Garvey WT. The Adipokine-Cardiovascular-Lifestyle Network. J Am Coll Cardiol 2016; 68:1785-1803. [DOI: 10.1016/j.jacc.2016.06.072] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Revised: 06/29/2016] [Accepted: 06/29/2016] [Indexed: 12/17/2022]
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Garbarino S, Lanteri P, Durando P, Magnavita N, Sannita WG. Co-Morbidity, Mortality, Quality of Life and the Healthcare/Welfare/Social Costs of Disordered Sleep: A Rapid Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:E831. [PMID: 27548196 PMCID: PMC4997517 DOI: 10.3390/ijerph13080831] [Citation(s) in RCA: 112] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Revised: 08/10/2016] [Accepted: 08/11/2016] [Indexed: 12/15/2022]
Abstract
Sleep disorders are frequent (18%-23%) and constitute a major risk factor for psychiatric, cardiovascular, metabolic or hormonal co-morbidity and mortality. Low social status or income, unemployment, life events such as divorce, negative lifestyle habits, and professional requirements (e.g., shift work) are often associated with sleep problems. Sleep disorders affect the quality of life and impair both professional and non-professional activities. Excessive daytime drowsiness resulting from sleep disorders impairs efficiency and safety at work or on the road, and increases the risk of accidents. Poor sleep (either professional or voluntary) has detrimental effects comparable to those of major sleep disorders, but is often neglected. The high incidence and direct/indirect healthcare and welfare costs of sleep disorders and poor sleep currently constitute a major medical problem. Investigation, monitoring and strategies are needed in order to prevent/reduce the effects of these disorders.
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Affiliation(s)
- Sergio Garbarino
- Center of Sleep Medicine, Genoa 16132, Italy.
- Department of Neuroscience, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, Genoa 16132, Italy.
| | - Paola Lanteri
- Child Neurology and Psychiatry Unit, Istituto Giannina Gaslini, Genoa 16148, Italy.
| | - Paolo Durando
- Department of Health Sciences, Postgraduate School in Occupational Medicine, University of Genoa and Occupational Medicine Unit, IRCCS AOU San Martino IST, Genoa 16132, Italy.
| | - Nicola Magnavita
- Department of Public Health, Università Cattolica del Sacro Cuore, Rome 00168, Italy.
| | - Walter G Sannita
- Center of Sleep Medicine, Genoa 16132, Italy.
- Department of Neuroscience, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, Genoa 16132, Italy.
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Georges M, Mouillot T, Lombard S, Pénicaud L, Brondel L. La privation de sommeil fait grossir : mythe ou réalité ? NUTR CLIN METAB 2016. [DOI: 10.1016/j.nupar.2016.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Mota MC, Waterhouse J, De-Souza DA, Rossato LT, Silva CM, Araújo MBJ, Tufik S, de Mello MT, Crispim CA. Association between chronotype, food intake and physical activity in medical residents. Chronobiol Int 2016; 33:730-9. [DOI: 10.3109/07420528.2016.1167711] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
| | - Jim Waterhouse
- School of Human Sciences, Liverpool John Moores University, Liverpool, UK
| | | | | | | | | | - Sérgio Tufik
- Department of Psychobiology, Sleep Institute, Federal University of São Paulo, São Paulo, Brazil
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The Importance of Exercise in the Well-Rounded Physician: Dialogue for the Inclusion of a Physical Fitness Program in Neurosurgery Resident Training. World Neurosurg 2016; 90:380-384. [PMID: 27001240 DOI: 10.1016/j.wneu.2016.03.024] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Revised: 03/09/2016] [Accepted: 03/10/2016] [Indexed: 11/21/2022]
Abstract
Exercise, diet, and personal fitness programs are essentially lacking in modern graduate medical education. In the context of long hours and alternating shift and sleep cycles, the lack of exercise and poor dietary choices may have negative consequences on physician physical and mental health. This opinion piece aims to generate important dialogue regarding the scope of the problem, the literature supporting the health benefits of exercise, potential solutions to enhancing diet and exercise among resident trainees, and possible pitfalls to the adoption of exercise programs within graduate medical education.
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Inflammation, Oxidative Stress, and Antioxidants Contribute to Selected Sleep Quality and Cardiometabolic Health Relationships: A Cross-Sectional Study. Mediators Inflamm 2015; 2015:824589. [PMID: 26568665 PMCID: PMC4629050 DOI: 10.1155/2015/824589] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Accepted: 09/21/2015] [Indexed: 12/14/2022] Open
Abstract
Sleep is vital for cardiometabolic health, but a societal shift toward poor sleep is a prominent feature of many modern cultures. Concurrently, factors such as diet and lifestyle have also changed and may mediate the relationship between sleep quality and cardiometabolic health. Objectives were to explore (1) the interrelationship and (2) mediating effect of inflammation, oxidative stress, and antioxidants on sleep quality and cardiometabolic health. Cross-sectional data from the US National Health and Nutritional Examination Survey 2005-06 (≥20 y; N = 2,072) was used. Cardiometabolic health was defined as per the Joint Interim Statement; overall sleep quality was determined from six sleep habits and categorized as good, fair, poor, and very poor. Fair quality sleepers had optimal inflammation, oxidative stress, and antioxidant levels. Inflammation was above the current clinical reference range across all sleep quality categories, while oxidative stress was only within the clinical reference range for fair sleep quality. Selected sleep quality-cardiometabolic health relationships were mediated by inflammation, oxidative stress, and antioxidants and were moderated by sex. Our results provide initial evidence of a potential role for inflammation, oxidative stress, and antioxidants in the pathway between poor sleep quality-cardiometabolic decline. Further prospective research is needed to confirm our results.
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