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https://www.readbyqxmd.com/read/29154305/an-active-transition-from-offshore-work-to-family-life-activities-that-may-impact-recovery
#1
Suzanne L Merkus, Maaike A Huysmans, Kari Anne Holte, Willem van Mechelen, Allard J van der Beek
BACKGROUND: Night shift workers, particularly those working offshore, take a long time to recover from their shifts. The activities that shift workers, such as offshore employees, pursue during their leisure time can influence the process of recovery from work-related fatigue, but little is known about these leisure time activities. OBJECTIVE: To explore what leisure time activities are pursued that may be relevant to recovery for offshore employees. METHODS: Sixty-one offshore working family men-20 night shift, 16 swing shift, and 25 day shift workers-reported on six predefined activities for 14 days following their offshore tours...
2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/29144171/circadian-gene-methylation-in-rotating-shift-nurses-a-cross-sectional-study
#2
Edyta Reszka, Edyta Wieczorek, Monika Przybek, Ewa Jabłońska, Paweł Kałużny, Agnieszka Bukowska-Damska, Shanbeh Zienolddiny, Beata Pepłońska
Investigating the methylation status of the circadian genes may contribute to a better understanding of the shift work-related circadian disruption in individuals exposed to artificial light at night. In the present study, we determined the methylation status of the circadian genes associated with a shift work pattern among nurses and midwives participating in a cross-sectional study in Lodz, Poland. Quantitative methylation polymerase chain reaction assays were used to assess promoter CpG methylation in PER1, PER2, PER3, CRY1, CRY2, BMAL1, CLOCK, and NPAS2 in genomic DNA from whole blood of 347 women having a rotating-shift work schedule and 363 women working days only...
November 16, 2017: Chronobiology International
https://www.readbyqxmd.com/read/29144169/bright-light-exposure-during-daytime-sleeping-affects-nocturnal-melatonin-secretion-after-simulated-night-work
#3
Shunsuke Nagashima, Madoka Osawa, Hiroto Matsuyama, Wataru Ohoka, Aemi Ahn, Tomoko Wakamura
The guidelines for night and shift workers recommend that after night work, they should sleep in a dark environment during the daytime. However, staying in a dark environment during the daytime reduces nocturnal melatonin secretion and delays its onset. Daytime bright-light exposure after night work is important for melatonin synthesis the subsequent night and for maintaining the circadian rhythms. However, it is not clear whether daytime sleeping after night work should be in a dim- or a bright-light environment for maintaining melatonin secretion...
November 16, 2017: Chronobiology International
https://www.readbyqxmd.com/read/29126462/prediction-of-drowsiness-events-in-night-shift-workers-during-morning-driving
#4
Yulan Liang, William J Horrey, Mark E Howard, Michael L Lee, Clare Anderson, Michael S Shreeve, Conor S O'Brien, Charles A Czeisler
The morning commute home is an especially vulnerable time for workers engaged in night shift work due to the heightened risk of experiencing drowsy driving. One strategy to manage this risk is to monitor the driver's state in real time using an in vehicle monitoring system and to alert drivers when they are becoming sleepy. The primary objective of this study is to build and evaluate predictive models for drowsiness events occurring in morning drives using a variety of physiological and performance data gathered under a real driving scenario...
November 7, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/29106308/sleep-quality-and-methylation-status-of-core-circadian-rhythm-genes-among-nurses-and-midwives
#5
Agnieszka Bukowska-Damska, Edyta Reszka, Pawel Kaluzny, Edyta Wieczorek, Monika Przybek, Shanbeh Zienolddiny, Beata Peplonska
ABSTARCT Poor sleep quality or sleep restriction is associated with sleepiness and concentration problems. Moreover, chronic sleep restriction may affect metabolism, hormone secretion patterns and inflammatory responses. Limited recent reports suggest a potential link between sleep deprivation and epigenetic effects such as changes in DNA methylation profiles. The aim of the present study was to assess the potential association between poor sleep quality or sleep duration and the levels of 5-methylcytosine in the promoter regions of PER1, PER2, PER3, BMAL1, CLOCK, CRY1 CRY2 and NPAS2 genes, taking into account rotating night work and chronotype as potential confounders or modifiers...
November 6, 2017: Chronobiology International
https://www.readbyqxmd.com/read/29081121/-reproductive-health-status-of-female-workers-in-a-railway-system-and-possible-influencing-factors
#6
H H Li, W L Yu, S W Huang, H J Qin, Q D Lu
Objective: To investigate the reproductive health status of female workers in a railway system and possible influencing factors. Methods: From January to June, 2016, a cross-sectional epidemiological investigation was performed to collect 2 165 female workers aged 17-55 years. A women's health questionnaire was used to collect the data on their occupation and health, and their reproductive health status was analyzed. Results: The female workers exposed to occupational hazards had significantly higher incidence rates of gynecological diseases, abnormal menstruation, and infertility than those not exposed to such hazards (χ(2)=32...
August 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/29073827/needlestick-and-sharps-injuries-among-nursing-students-in-nanjing-china
#7
Xujun Zhang, Yu Chen, Yang Li, Jie Hu, Cong Zhang, Zhen Li, Lorann Stallones, Henry Xiang
Needlestick and sharps injuries (NSIs) are a major cause of occupational injuries for health care workers worldwide. In this study, the authors report the prevalence of and risk factors for NSIs among Chinese nursing students. A cross-sectional survey was distributed to 442 nursing students; 393 completed questionnaires were submitted. A total of 237 (60.3%) nursing students reported NSIs, which were more commonly reported by female students, younger students, students who worked frequent night shifts, students without safety training, and students who did not use personal protective equipment...
October 1, 2017: Workplace Health & Safety
https://www.readbyqxmd.com/read/29073823/mechanical-restraint-and-characteristics-of-patient-staff-and-shifts-in-a-psychiatric-ward
#8
Johanne Sofie Kodal, Jesper Nørgaard Kjær, Erik Roj Larsen
BACKGROUND: The use of coercion is a balance between depriving the patients' autonomy and dignity and preventing endangerment of the body or health of self or others. It is of importance to obtain more knowledge about mechanisms leading to mechanical restraint in the attempt of reducing it. OBJECTIVE: To analyse for associations between incidence of mechanical restraint (MR) and staffing level, staff demographics, patient characteristics, type of shift (day/evening/night) and change of shifts...
October 26, 2017: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/29064297/updating-the-risk-index-a-systematic-review-and-meta-analysis-of-occupational-injuries-and-work-schedule-characteristics
#9
Dorothee Fischer, David A Lombardi, Simon Folkard, Joanna Willetts, David C Christiani
Fatigue is a major risk factor for occupational 'accidents' and injuries, and involves dimensions of physical, mental, and muscular fatigue. These dimensions are largely influenced by temporal aspects of work schedules. The "Risk Index" combines four fatigue-related components of work schedules to estimate occupational 'accident' and injury risk based on empirical trends: shift type (morning, afternoon/evening, night), length and consecutive number, and on-shift rest breaks. Since its first introduction in 2004, several additional studies have been published that allow the opportunity to improve the internal and external validity of the "Risk Index"...
October 24, 2017: Chronobiology International
https://www.readbyqxmd.com/read/29057762/fluctuations-in-heart-rate-variability-of-health-care-workers-during-four-consecutive-extended-work-shifts-and-recovery-during-rest-and-sleep
#10
Elisabeth M Goffeng, Karl-Christian Nordby, Mika P Tarvainen, Susanna Järvelin-Pasanen, Anthony Wagstaff, Lars Ole Goffeng, Merete Bugge, Øivind Skare, Jenny-Anne Sigstad Lie
The aim of this study was to investigate fluctuations in heart rate variability (HRV), which reflect autonomic nervous system (ANS) function and potential psychological and physical strain, among 24 health care workers during work and sleep during four consecutive extended work shifts. Data included 24/36/12 hours of HRV measurements, two logbooks, and a questionnaire. A cross-shift/cross-week design was applied. HRV was measured during work, leisure time, and sleep. The HRV data included time-domain [mean RR, standard deviation of normal to normal R-R intervals (SDNN), and root mean square of the successive differences (RMSSD)] and frequency-domain [low frequency (LF)/high frequency (HF) ratio] parameters...
October 21, 2017: Industrial Health
https://www.readbyqxmd.com/read/29046489/association-between-rotating-night-shift-work-and-metabolic-syndrome-in-korean-workers-differences-between-8-hour-and-12-hour-rotating-shift-work
#11
Jae-Il Oh, Hyeon Woo Yim
This study aimed to analyze the association between the shift work schedule and metabolic syndrome (MetS). This is a retrospective longitudinal study based on the 2015 health checkup data of 2,090 workers evaluated for MetS in 2010 at a general hospital in Korea. The participants were divided according to their shift work schedule into daytime, three-shift (8-hour rotation), and two-shift (12-hour rotation) workers. The index that indicates the association between the shift work schedule and MetS is the odds ratio (OR) calculated using multivariate logistic regression...
October 19, 2017: Industrial Health
https://www.readbyqxmd.com/read/29026723/circadian-rhythm-disruption-and-subsequent-neurological-disorders-in-night-shift-workers
#12
REVIEW
Yunho Jin, Tai-Young Hur, Yonggeun Hong
A large number of people in highly industrialized society are employed in night-shift work. Night-shift work interrupts the 24-hour daily cycle known as the circadian rhythm, as well as melatonin synthesis. These disruptions can make the body susceptible to oxidative stress and neural damage. In this regard, it is recommended that employees avoid long-term exposure to night-shift work.
July 2017: Journal of Lifestyle Medicine
https://www.readbyqxmd.com/read/28987265/performance-and-sleepiness-in-nurses-working-12-h-day-shifts-or-night-shifts-in-a-community-hospital
#13
Marian Wilson, Regan Permito, Ashley English, Sandra Albritton, Carlana Coogle, Hans P A Van Dongen
Hospitals are around-the-clock operations and nurses are required to care for patients night and day. The nursing shortage and desire for a more balanced work-to-home life has popularized 12-h shifts for nurses. The present study investigated sleep/wake cycles and fatigue levels in 22 nurses working 12-h shifts, comparing day versus night shifts. Nurses (11day shift and 11 night shift) were recruited from a suburban acute-care medical center. Participants wore a wrist activity monitor and kept a diary to track their sleep/wake cycles for 2 weeks...
October 5, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28975706/meta-analysis-on-shift-work-and-risks-of-specific-obesity-types
#14
REVIEW
M Sun, W Feng, F Wang, P Li, Z Li, M Li, G Tse, J Vlaanderen, R Vermeulen, L A Tse
AIMS: This systematic review and meta-analysis evaluated the associations between shift work patterns and risks of specific types of obesity. METHODS: PubMed was searched until March 2017 for observational studies that examined the relationships between shift work patterns and obesity. Odds ratio for obesity was extracted using a fixed-effects or random-effects model. Subgroup meta-analyses were carried out for study design, specific obesity types and characteristics of shift work pattern...
October 4, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28953576/night-shift-work-and-its-health-effects-on-nurses
#15
Candie Books, Leon C Coody, Ryan Kauffman, Sam Abraham
The purpose of this research was to study night shift work and its health effects on nurses. This was a quantitative study using descriptive design; it also incorporated three qualitative open-ended questions to complement the study. The data were collected using Survey Monkey, with an Internet-based confidential data collection tool. The population of relevance to this study was nurses employed in hospital settings in the United States. E-mail addresses and Facebook were used to recruit participants. Results indicated that there is an increased risk of sleep deprivation, family stressors, and mood changes because of working the night shift...
October 2017: Health Care Manager
https://www.readbyqxmd.com/read/28951937/personal-light-at-night-exposures-and-components-of-variability-in-two-common-shift-work-industries-uses-and-implications-for-future-research
#16
Amy L Hall, Hugh W Davies, Mieke Koehoorn
Objectives Shift workers' increased risk of various adverse health outcomes has been linked to light-at-night (LAN) exposure, but few studies have measured LAN exposure in workplaces. To inform future research methods, this study aimed to (i) measure shift workers' exposures to LAN across industries, occupations, and work environments and (ii) assess components of variance across different exposure groupings and metrics. Methods Between October 2015 and March 2016, 152 personal full-shift measurements were collected from 102 night shift workers in emergency health services (paramedics, dispatchers) and healthcare industries (nurses, care aides, security guards, unit clerks, and laboratory, pharmacy, and respiratory therapy staff) in the province of British Columbia, Canada...
September 26, 2017: Scandinavian Journal of Work, Environment & Health
https://www.readbyqxmd.com/read/28946653/circadian-rhythm-of-wrist-temperature-among-shift-workers-in-south-korea-a-prospective-observational-study
#17
Tae-Won Jang, Hyunjoo Kim, Suk-Hoon Kang, Sang-Hyo Choo, In-Seok Lee, Kyung-Hwa Choi
Background: Human body temperature varies with circadian rhythm. To determine the effect of shift work on the circadian rhythm of the distal-skin temperature, wrist temperatures were measured. Methods: Wrist-skin temperatures were measured by an iButton(®) Temperature Logger. It was measured every 3 min for two and eight consecutive working days in the day and shift workers, respectively. Mesor, amplitude, and acrophase were measured by Cosinor analysis. Results: The shift-worker amplitude dropped significantly as the night shift progressed (0...
September 24, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28930301/night-shift-work-and-risk-of-compromised-visual-acuity-among-the-workers-in-an-electronics-manufacturing-company
#18
Yu-Cheng Lin, Kuo-Jung Ho
OBJECTIVES: To evaluate the association between night-shift work exposure and visual health, this cross-sectional study utilized visual acuity, a surrogate measure for visual function, as a parameter, and performed an analysis comparing visual acuity between daytime and nighttime employees in an electronics manufacturing company. MATERIAL AND METHODS: Data of personal histories, occupational records, physical examinations and blood tests was obtained from the electronic health records of workers...
September 20, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28928877/mechanisms-of-breast-cancer-in-shift-workers-dna-methylation-in-five-core-circadian-genes-in-nurses-working-night-shifts
#19
Johanna Samulin Erdem, Øivind Skare, Marte Petersen-Øverleir, Heidi Ødegaard Notø, Jenny-Anne S Lie, Edyta Reszka, Beata Pepłońska, Shanbeh Zienolddiny
Shift work has been suggested to be associated with breast cancer risk, and circadian disruption in shift workers is hypothesized as one of the mechanisms of increased cancer risk. There is, however, insufficient molecular evidence supporting this hypothesis. Using the quantitative methodology of pyrosequencing, epigenetic changes in 5-methyl cytosine (5mC) in five circadian genes CLOCK, BMAL1, CRY1, PER1 and PER2 in female nurses working night shift work (278 breast cancer cases, 280 controls) were analyzed...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28904295/multidirectional-analyses-of-hepatic-chronotoxicity-induced-by-cadmium-in-mice
#20
Nobuhiko Miura, Hiroki Yoshioka, Atsushige Ashimori, Katsumi Ohtani, Tatsuya Hasegawa, Gi-Wook Hwang, Masayuki Ikeda, Tsunemasa Nonogaki
The expression levels or activities of biological defense factors can fluctuate daily following biological rhythms. We have focused on the relationship between injection timing and the degree of toxicity of cadmium (Cd) to promote the concept of "chronotoxicology," which introduces chronobiology to the field of toxicology. Our previous studies have clearly indicated that Cd may be subject to chronotoxicity. In this report, to confirm the character of the Cd-induced chronotoxicity, we performed multidirectional examinations...
2017: Journal of Toxicological Sciences
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