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https://www.readbyqxmd.com/read/28097381/rotating-night-shift-work-sleep-and-colorectal-adenoma-in-women
#1
Elizabeth E Devore, Jennifer Massa, Kyriaki Papantoniou, Eva S Schernhammer, Kana Wu, Xuehong Zhang, Walter C Willett, Charles S Fuchs, Andrew T Chan, Shuji Ogino, Edward Giovannucci, Esther K Wei
PURPOSE: This study aims to investigate the associations of rotating night shift work history and sleep duration with risk of colorectal adenoma. METHODS: We evaluated 56,275 cancer-free participants of the Nurses' Health Study II, who had their first colonoscopy or sigmoidoscopy between 1991 and 2011; rotating night shift work and sleep duration were reported by mailed questionnaire. Multivariable-adjusted logistic regression was used to estimate relative risks (RR) of colorectal adenoma, with 95% confidence intervals (CI), across categories of rotating night shift work history (none, 1-4, 5-9, and ≥10 years) and sleep duration (≤5, 6, 7, 8, and ≥9 h/day)...
January 17, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28096235/role-of-cardiotrophin-1-in-the-regulation-of-metabolic-circadian-rhythms-and-adipose-core-clock-genes-in-mice-and-characterization-of-24-h-circulating-ct-1-profiles-in-normal-weight-and-overweight-obese-subjects
#2
Miguel López-Yoldi, Kimber L Stanhope, Marta Garaulet, X Guoxia Chen, Beatriz Marcos-Gómez, María Paz Carrasco-Benso, Eva M Santa Maria, Xavier Escoté, Vivien Lee, Marinelle V Nunez, Valentina Medici, Eduardo Martínez-Ansó, Neira Sáinz, Ana E Huerta, Laura M Laiglesia, Jesús Prieto, J Alfredo Martínez, Matilde Bustos, Peter J Havel, Maria J Moreno-Aliaga
Cardiotrophin (CT)-1 is a regulator of glucose and lipid homeostasis. In the present study, we analyzed whether CT-1 also acts to peripherally regulate metabolic rhythms and adipose tissue core clock genes in mice. Moreover, the circadian pattern of plasma CT-1 levels was evaluated in normal-weight and overweight subjects. The circadian rhythmicity of oxygen consumption rate (Vo2) was disrupted in aged-obese CT-1-deficient (CT-1(-/-)) mice (12 mo). Although circadian rhythms of Vo2 were conserved in young-lean CT-1(-/-) mice (2 mo), CT-1 deficiency caused a phase shift of the acrophase...
January 17, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28092057/maternal-nonstandard-work-schedules-and-breastfeeding-behaviors
#3
Afshin Zilanawala
Objectives Although maternal employment rates have increased in the last decade in the UK, there is very little research investigating the linkages between maternal nonstandard work schedules (i.e., work schedules outside of the Monday through Friday, 9-5 schedule) and breastfeeding initiation and duration, especially given the wide literature citing the health advantages of breastfeeding for mothers and children. Methods This paper uses a population-based, UK cohort study, the Millennium Cohort Study (n = 17,397), to investigate the association between types of maternal nonstandard work (evening, night, away from home overnight, and weekends) and breastfeeding behaviors...
January 13, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28079162/glucose-tolerance-in-mice-exposed-to-light-dark-stimulus-patterns-mirroring-dayshift-and-rotating-shift-schedules
#4
Mariana G Figueiro, Leora Radetsky, Barbara Plitnick, Mark S Rea
Glucose tolerance was measured in (nocturnal) mice exposed to light-dark stimulus patterns simulating those that (diurnal) humans would experience while working dayshift (DSS) and 2 rotating night shift patterns (1 rotating night shift per week [RSS1] and 3 rotating night shifts per week [RSS3]). Oral glucose tolerance tests were administered at the same time and light phase during the third week of each experimental session. In contrast to the RSS1 and RSS3 conditions, glucose levels reduced more quickly for the DSS condition...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28077825/-inhalation-effects-of-aroma-essential-oil-on-quality-of-sleep-for-shift-nurses-after-night-work
#5
Wonjong Kim, Myung Haeng Hur
PURPOSE: This study was an experimental study to compare the inhalation effects of aroma essential oil on the quality of sleep (QOS) for shift nurses after working nights. METHODS: The participants were 60 healthy adults who didn't have any disease. As an experimental treatment, the participants in the experimental group were asked to inhale essential oil for 3 minutes at a distance of approximately 10 cm fromt heir nose and then they were asked to sleep with the aroma stone beside their head (within a 30 cm distance)...
December 2016: Journal of Korean Academy of Nursing
https://www.readbyqxmd.com/read/28077111/cumulative-exposure-to-shift-work-and-sickness-absence-associations-in-a-five-year-historic-cohort
#6
Alwin van Drongelen, Cécile R L Boot, Hynek Hlobil, Allard J van der Beek, Tjabe Smid
BACKGROUND: Exposure to shift work has been associated with negative health consequences, although the association between shift work and sickness absence remains unclear. The aim of this study is to investigate associations between cumulative exposure to shift work and sickness absence among ground staff employees of an airline company. METHODS: This study used data from the MORE (Monitoring Occupational Health Risks in Employees) cohort, which is a 5-year historic cohort...
January 11, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28076533/similarities-and-differences-in-crack-cocaine-use-patterns-in-santa-catarina-brazil-capital-vs-midwest
#7
Maria Terezinha Zeferino, Vivian Costa Fermo, Marcelo Brandt Fialho, Francisco Inácio Bastos
Crack cocaine has been a major public health problem in Brazil due to the individual and social harms and risks deriving from its use. This article aims to assess the characteristics of drug scenes in the capital and Midwest of Santa Catarina state. The project used the Time-Location Sampling. Between January and June 2011, 41 crack cocaine scenes were mapped in capital of Santa Catarina, whereas 33 were mapped in the Midwest of that state. Such scenes were randomly selected to be observed, as well as their days and shifts (time periods/day) for in-depth observation...
January 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28074269/varied-exposure-to-carcinogenic-mutagenic-and-reprotoxic-cmr-chemicals-in-occupational-settings-in-france
#8
Nathalie Havet, Alexis Penot, Magali Morelle, Lionel Perrier, Barbara Charbotel, Béatrice Fervers
PURPOSE: To explore varied exposure to carcinogenic, mutagenic, and reprotoxic chemicals (CMR) for French employees. METHODS: Our study assessed data from the French national cross-sectional survey of occupational risks (SUMER) that was conducted in 2010 in a national representative sample of employees. We selected 28 CMR agents that were classified by the International Agency for Research on Cancer or European Union as being known or presumed to have CMR potential in humans...
January 10, 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28071697/diel-scale-temporal-dynamics-recorded-for-bacterial-groups-in-namib-desert-soil
#9
Eoin Gunnigle, Aline Frossard, Jean-Baptiste Ramond, Leandro Guerrero, Mary Seely, Don A Cowan
Microbes in hot desert soil partake in core ecosystem processes e.g., biogeochemical cycling of carbon. Nevertheless, there is still a fundamental lack of insights regarding short-term (i.e., over a 24-hour [diel] cycle) microbial responses to highly fluctuating microenvironmental parameters like temperature and humidity. To address this, we employed T-RFLP fingerprinting and 454 pyrosequencing of 16S rRNA-derived cDNA to characterize potentially active bacteria in Namib Desert soil over multiple diel cycles...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28057850/investigation-of-the-link-between-fluid-shift-and-airway-collapsibility-as-a-mechanism-for-obstructive-sleep-apnea-in-congestive-heart-failure
#10
Tom Carlisle, Neil R Ward, Angela Atalla, Martin R Cowie, Anita K Simonds, Mary J Morrell
The increased prevalence of obstructive sleep apnea (OSA) in congestive heart failure (CHF) may be associated with rostral fluid shift. We investigated the effect of overnight rostral fluid shift on pharyngeal collapsibility (Pcrit), pharyngeal caliber (APmean), and apnea-hypopnea index (AHI) in CHF patients. Twenty-three optimally treated systolic CHF patients were studied. Neck circumference was measured immediately prior to sleep in the evening and immediately after waking in the morning as a marker of rostral fluid shift...
January 2017: Physiological Reports
https://www.readbyqxmd.com/read/28055288/eveningness-as-a-risk-for-behavioral-problems-in-late-adolescence
#11
Ilona Merikanto, Anu-Katriina Pesonen, Liisa Kuula, Jari Lahti, Kati Heinonen, Eero Kajantie, Katri Räikkönen
Circadian preference toward eveningness has been associated with increased risk for mental health problems both in early adolescence and in adulthood. However, in late adolescence, when circadian rhythm naturally shifts to later, its significance for mental health is not clear. Accordingly, we studied how circadian rhythm estimated both by self-reported chronotype and by actigraph-defined midpoint of sleep was associated with self-reported psychiatric problems based on Youth Self Report (YSR). The study builds on a community cohort born in 1998, Helsinki, Finland...
January 5, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28042740/the-association-between-shift-work-and-treatment-seeking-migraine-in-denmark
#12
Gitte Sofie Jakobsen, Anne Matilde Timm, Åse Marie Hansen, Anne Helene Garde, Kirsten Nabe-Nielsen
In Europe, the one-year prevalence of migraine is 14.9% and migraine is on the top-ten list of leading causes of years lost to disability. Sleep disturbances and irregular daily routines are considered triggers of migraine and these factors are well-known consequences of shift work. We studied the association between treatment-seeking migraine and shift work, categorised as fixed evening work, fixed night work and variable working hours with and without night work in a Danish working population of 5,872 participants...
January 2, 2017: Ergonomics
https://www.readbyqxmd.com/read/28028599/circadian-behavior-of-adult-mice-exposed-to-stress-and-fluoxetine-during-development
#13
Veronika Kiryanova, Victoria M Smith, Richard H Dyck, Michael C Antle
INTRODUCTION: Women of child-bearing age are the population at greatest risk for depression. The stress experienced during pregnancy and the associated antidepressant treatments can both affect fetal development. Fluoxetine (FLX) is among the most common antidepressants used by pregnant women. We have previously demonstrated that perinatal exposure to FLX can alter expression of circadian rhythms in adulthood. Here, we examine the combined effects of maternal stress during pregnancy and perinatal exposure to the antidepressant FLX on the circadian behavior of mice as adults...
December 27, 2016: Psychopharmacology
https://www.readbyqxmd.com/read/28013579/a-rodent-model-of-night-shift-work-induces-short-term-and-enduring-sleep-and-electroencephalographic-disturbances
#14
Janne Grønli, Peter Meerlo, Torhild T Pedersen, Ståle Pallesen, Silje Skrede, Andrea R Marti, Jonathan P Wisor, Robert Murison, Tone E G Henriksen, Michael J Rempe, Jelena Mrdalj
Millions of people worldwide are working at times that overlap with the normal time for sleep. Sleep problems related to the work schedule may mediate the well-established relationship between shift work and increased risk for disease, occupational errors and accidents. Yet, our understanding of causality and the underlying mechanisms that explain this relationship is limited. We aimed to assess the consequences of night-shift work for sleep and to examine whether night-shift work-induced sleep disturbances may yield electrophysiological markers of impaired maintenance of the waking brain state...
December 1, 2016: Journal of Biological Rhythms
https://www.readbyqxmd.com/read/28007355/isolated-rapid-eye-movement-sleep-without-atonia-in-amyotrophic-lateral-sclerosis
#15
Monica Puligheddu, Patrizia Congiu, Debora Aricò, Francesco Rundo, Giuseppe Borghero, Francesco Marrosu, Maria Livia Fantini, Raffaele Ferri
OBJECTIVE: The aim of this study was to quantitatively analyze, with the most recent and advanced tools, the presence of periodic leg movements during sleep (PLMS) and/or rapid eye movement (REM) sleep without atonia (RSWA), in a group of patients with amyotrophic lateral sclerosis (ALS), and to assess their eventual correlation with the clinical severity of the disease. METHODS: Twenty-nine ALS patients were enrolled (mean age 63.6 years) along with 28 age-matched "normal" controls (mean age 63...
October 2016: Sleep Medicine
https://www.readbyqxmd.com/read/28006966/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
#16
Mariana Silva Alves, Raphael Zardini Andrade, Graciele Cristina Silva, Maria Carliana Mota, Sabrina Gonçalves Resende, Kely Raspante Teixeira, Bruna Fernandes Gonçalves, Cibele Aparecida Crispim
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...
December 1, 2016: Journal of Biological Rhythms
https://www.readbyqxmd.com/read/27995401/shiftwork-is-not-associated-with-increased-risk-of-nafld-findings-from-the-national-health-and-nutrition-examination-survey
#17
Maya Balakrishnan, Hashem B El-Serag, Fasiha Kanwal, Aaron P Thrift
AIMS: There is increased focus on the metabolic impact of shiftwork, especially given the significant number of employees who work nighttime or rotating shifts. Nonalcoholic fatty liver disease (NAFLD) is the hepatic manifestation of the metabolic syndrome. We conducted a cross-sectional study to examine the association between shiftwork and the risk of NAFLD. METHODS: We used aggregated data from the 2005-2006, 2007-2008, and 2009-2010 cycles of the National Health and Nutrition Examination Survey (NHANES)...
December 19, 2016: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/27992087/urokinase-type-plasminogen-activator-modulates-mammalian-circadian-clock-phase-regulation-in-tissue-type-plasminogen-activator-knockout-mice
#18
Joanna M Cooper, Ashutosh Rastogi, Jessica A Krizo, Eric M Mintz, Rebecca A Prosser
Glutamate phase shifts the circadian clock in the mammalian suprachiasmatic nucleus (SCN) by activating NMDA receptors. Tissue-type plasminogen activator (tPA) gates phase shifts by activating plasmin to generate m(ature)BDNF, which binds TrkB receptors allowing clock phase shifts. Here we investigate phase shifting in tPA knockout (tPA(-/-) ; B6.129S2-Plat(tm1Mlg) /J) mice, and identify urokinase-type plasminogen activator (uPA) as an additional circadian clock regulator. Behavioral activity rhythms in tPA(-/-) mice entrain to a light-dark (LD) cycle and phase shift in response to nocturnal light pulses with no apparent loss in sensitivity...
December 19, 2016: European Journal of Neuroscience
https://www.readbyqxmd.com/read/27987287/actual-use-of-pocket-sized-ultrasound-devices-for-cardiovascular-examination-by-trained-physicians-during-a-hospitalist-rotation
#19
Benjamin T Tsai, Eric B Dahms, Jill Waalen, Bruce J Kimura
BACKGROUND: In actual clinical practice as opposed to published studies, the application of bedside ultrasound requires a perception of need, confidence in one's skills, and convenience. OBJECTIVE: As the frequency of ultrasound usage is evidence to its perceived value in patient care, we observed the pattern of autonomous use of a pocket-sized device (PSD) by ultrasound-trained residents during a night hospitalist rotation. METHODS: Consecutive internal medicine residents (n=24), trained in a cardiac limited ultrasound examination (CLUE) as a mandatory part of their curriculum, were sampled on their PSD use after their admitting nights, regarding perceived necessity, deterring factors, detected abnormalities, and imaging difficulties...
2016: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/27986787/fifteen-minute-consultation-on-problems-in-the-healthy-paediatrician-managing-the-effects-of-shift-work-on-your-health
#20
Michael Farquhar
Sleep is fundamental to good health. Healthcare professionals receive little teaching on the importance of sleep, particularly with respect to their own health when working night shifts. Knowledge of basic sleep physiology, together with simple strategies to improve core sleep and the ability to cope with working nights, can result in significant improvements both for healthcare professionals and for the patients they care for. "You're not healthy unless your sleep is healthy"Professor William Dement, Stanford University, one of the founders of modern sleep medicine...
December 16, 2016: Archives of Disease in Childhood. Education and Practice Edition
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