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https://www.readbyqxmd.com/read/28732185/chronotype-sleep-characteristics-and-musculoskeletal-disorders-among-hospital-nurses
#1
Yuan Zhang, Jeanne F Duffy, Elizabeth Ronan de Castillero, Kefang Wang
Work-related musculoskeletal disorders (WMSDs) persist as the leading occupational injury, accounting for nearly half of nurses' total occupational injuries. Musculoskeletal pain is a known cause of sleep disruption, and individuals with WMSDs that interfere with sleep often report more pain. Evening chronotype has been associated with poor sleep among nurses. However, the associations among chronotype, sleep, and WMSDs are still unclear, and were explored in the present study. A cross-sectional survey was administered to 397 nurses, with 47...
July 1, 2017: Workplace Health & Safety
https://www.readbyqxmd.com/read/28730864/automatic-rbg-depth-pressure-anthropometric-analysis-and-individualised-sleep-solution-prescription
#2
Jordi Esquirol Caussa, Cristina Palmero Cantariño, Vanessa Bayo Tallón, Miquel Àngel Cos Morera, Sergio Escalera Domínguez, David Sánchez, Maider Sánchez Padilla, Noelia Serrano Domínguez, Mireia Relats Vilageliu
INTRODUCTION: Sleep surfaces must adapt to individual somatotypic features to maintain a comfortable, convenient and healthy sleep, preventing diseases and injuries. Individually determining the most adequate rest surface can often be a complex and subjective question. OBJECTIVES: To design and validate an automatic multimodal somatotype determination model to automatically recommend an individually designed mattress-topper-pillow combination. METHODS: Design and validation of an automated prescription model for an individualised sleep system is performed through a single-image 2 D-3 D analysis and body pressure distribution, to objectively determine optimal individual sleep surfaces combining five different mattress densities, three different toppers and three cervical pillows...
July 21, 2017: Journal of Medical Engineering & Technology
https://www.readbyqxmd.com/read/28730724/dynamic-loop-gain-increases-upon-adopting-the-supine-body-position-during-sleep-in-patients-with-obstructive-sleep-apnoea
#3
Simon A Joosten, Shane A Landry, Scott A Sands, Philip I Terrill, Dwayne Mann, Christopher Andara, Elizabeth Skuza, Anthony Turton, Philip Berger, Garun S Hamilton, Bradley A Edwards
BACKGROUND AND OBJECTIVE: Obstructive sleep apnoea (OSA) is typically worse in the supine versus lateral sleeping position. One potential factor driving this observation is a decrease in lung volume in the supine position which is expected by theory to increase a key OSA pathogenic factor: dynamic ventilatory control instability (i.e. loop gain). We aimed to quantify dynamic loop gain in OSA patients in the lateral and supine positions, and to explore the relationship between change in dynamic loop gain and change in lung volume with position...
July 20, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28729826/sleep-dependent-oscillatory-synchronization-a-role-in-fear-memory-consolidation
#4
Michael S Totty, Logan A Chesney, Phillip A Geist, Subimal Datta
Sleep plays an important role in memory consolidation through the facilitation of neuronal plasticity; however, how sleep accomplishes this remains to be completely understood. It has previously been demonstrated that neural oscillations are an intrinsic mechanism by which the brain precisely controls neural ensembles. Inter-regional synchronization of these oscillations is also known to facilitate long-range communication and long-term potentiation (LTP). In the present study, we investigated how the characteristic rhythms found in local field potentials (LFPs) during non-REM and REM sleep play a role in emotional memory consolidation...
2017: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/28729127/variation-in-safe-sleep-and-breastfeeding-practices-among-non-hispanic-black-mothers-in-the-us-according-to-birth-country
#5
Margaret G K Parker, Eve R Colson, Lauren Provini, Denis V Rybin, Stephen M Kerr, Timothy Heeren, Michael J Corwin
OBJECTIVE: To examine variation in safe sleep and breastfeeding practices among US non-Hispanic black (NHB) mothers according to birth country METHODS: We analyzed NHB mothers that were surveyed regarding safe sleep and breastfeeding practices when their infants were 2-6 months of age in 2011-14, as part of a larger national study. We examined prevalences of safe sleep and breastfeeding practices according to birth country and examined odds of adherence to American Academy of Pediatrics recommended safe sleep and breastfeeding practices in foreign born NHBs, compared to US born NHBs...
July 17, 2017: Academic Pediatrics
https://www.readbyqxmd.com/read/28728638/age-related-changes-in-associations-between-reasons-for-alcohol-use-and-high-intensity-drinking-across-young-adulthood
#6
Megan E Patrick, Rebecca Evans-Polce, Deborah D Kloska, Jennifer L Maggs, Stephanie T Lanza
OBJECTIVE: Analyses focus on whether self-reported reasons for drinking alcohol change in their associations with high-intensity drinking across the transition to adulthood. METHOD: Self-report data on high-intensity drinking (10+ drinks) collected from the national Monitoring the Future study in 2005 to 2014 from those ages 18-26 were used (N = 2,664 [60% women] for all drinkers and 1,377 for heavy episodic [5+] drinkers; up to 6,541 person-waves). Time-varying effect modeling examined changes in the direction and magnitude of associations between eight reasons for drinking and high-intensity alcohol use across continuous age...
July 2017: Journal of Studies on Alcohol and Drugs
https://www.readbyqxmd.com/read/28728620/insulin-resistance-and-hypertension-in-obese-youth-with-sleep-disordered-breathing-treated-with-positive-airway-pressure-a-prospective-multicenter-study
#7
Sherri L Katz, Joanna E MacLean, Lynda Hoey, Linda Horwood, Nicholas Barrowman, Bethany Foster, Stasia Hadjiyannakis, Laurent Legault, Glenda N Bendiak, Valerie G Kirk, Evelyn Constantin
STUDY OBJECTIVES: There is evidence that cardiometabolic disease associated with obesity and sleep-disordered breathing (SDB) in adults is present in youth. SDB is often treated with positive airway pressure (PAP) in youth with obesity. Our aims were to determine: (1) the prevalence of cardiometabolic disease and (2) whether PAP improves markers of cardiometabolic disease, in youth with obesity and newly diagnosed moderate-severe SDB. METHODS: A prospective multicenter cohort study was conducted in youth (8 to 16 years old) with obesity, prescribed PAP therapy for newly diagnosed moderate-severe SDB...
July 14, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/28728617/self-reported-sleep-quality-duration-and-health-related-quality-of-life-in-older-chinese-evidence-from-a-rural-town-in-suzhou-china
#8
Chen-Wei Pan, Xiaoling Cong, Hui-Jun Zhou, Jing Li, Hong-Peng Sun, Yong Xu, Pei Wang
STUDY OBJECTIVES: To determine the associations of self-reported sleep quality and duration with health-related quality of life (HRQOL) in older Chinese. METHODS: We analyzed community-based cross-sectional data of 5,539 individuals aged 60 years and older in the Weitang Geriatric Disease Study. Information of sleep quality and duration were self-reported through participants' responses to predefined questions; HRQOL data were collected by using the European Quality of Life-5 Dimensions (EQ-5D)...
July 14, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/28728577/integrating-data-from-randomized-controlled-trials-and-observational-studies-to-predict-the-response-to-pregabalin-in-patients-with-painful-diabetic-peripheral-neuropathy
#9
Joe Alexander, Roger A Edwards, Alberto Savoldelli, Luigi Manca, Roberto Grugni, Birol Emir, Ed Whalen, Stephen Watt, Marina Brodsky, Bruce Parsons
BACKGROUND: More patient-specific medical care is expected as more is learned about variations in patient responses to medical treatments. Analytical tools enable insights by linking treatment responses from different types of studies, such as randomized controlled trials (RCTs) and observational studies. Given the importance of evidence from both types of studies, our goal was to integrate these types of data into a single predictive platform to help predict response to pregabalin in individual patients with painful diabetic peripheral neuropathy (pDPN)...
July 20, 2017: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/28728259/-impact-of-allergic-airway-diseases-on-risk-of-attention-deficit-hyperactivity-disorder-in-school-age-children
#10
X D Jiang, C Shen, K Li, Y T Ji, S H Li, F Jiang, X M Shen, F Li, Y Hu
Objective: To investigate the impact of allergic airway diseases on the risk of attention deficit hyperactivity disorder (ADHD) in school-age children. Method: Used stratified cluster sampling method, school-age children in first to sixth grade in primary schools in 9 randomly selected cities including Shanghai, Guangzhou, Xi'an, and Wuhan were enrolled in the study. Interview of parents with questionnaires, which included school-age individual and family social environment questionnaire (including history of diagnosed ADHD, allergic rhinitis, and bronchial asthma) and Children's Sleep Habits Questionnaire (CSHQ), were finished and collected during November to December in 2005...
July 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28724380/the-use-of-entertainment-and-communication-technologies-before-sleep-could-affect-sleep-and-weight-status-a-population-based-study-among-children
#11
Nomathemba Dube, Kaviul Khan, Sarah Loehr, Yen Chu, Paul Veugelers
BACKGROUND: Short sleep duration and poor sleep quality have been demonstrated to be associated with childhood obesity. It has been suggested that electronic entertainment and communication devices (EECDs) including TVs, computers, tablets, video games and cell phones interfere with sleep in children and youth. The aim of this study was to assess the impact that the use of EECDs in the hour before bedtime has on sleep and weight status to inform sleep promotion interventions and programs to prevent childhood obesity...
July 19, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28724246/health-consequences-of-electric-lighting-practices-in-the-modern-world-a-report-on-the-national-toxicology-program-s-workshop-on-shift-work-at-night-artificial-light-at-night-and-circadian-disruption
#12
REVIEW
Ruth M Lunn, David E Blask, Andrew N Coogan, Mariana G Figueiro, Michael R Gorman, Janet E Hall, Johnni Hansen, Randy J Nelson, Satchidananda Panda, Michael H Smolensky, Richard G Stevens, Fred W Turek, Roel Vermeulen, Tania Carreón, Claire C Caruso, Christina C Lawson, Kristina A Thayer, Michael J Twery, Andrew D Ewens, Sanford C Garner, Pamela J Schwingl, Windy A Boyd
The invention of electric light has facilitated a society in which people work, sleep, eat, and play at all hours of the 24-hour day. Although electric light clearly has benefited humankind, exposures to electric light, especially light at night (LAN), may disrupt sleep and biological processes controlled by endogenous circadian clocks, potentially resulting in adverse health outcomes. Many of the studies evaluating adverse health effects have been conducted among night- and rotating-shift workers, because this scenario gives rise to significant exposure to LAN...
July 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28721811/moving-to-the-rhythm-with-clock-circadian-genes-autophagy-mtor-and-sirt1-in-degenerative-disease-and-cancer
#13
Kenneth Maiese
BACKGROUND: The mammalian circadian clock and its associated clock genes are increasingly be recognized as critical components for a number of physiological and disease processes that extend beyond hormone release, thermal regulation, and sleep-wake cycles. New evidence suggests that clinical behavior disruptions that involve prolonged shift work and even space travel may negatively impact circadian rhythm and lead to multi-system disease. METHODS: In light of the significant role circadian rhythm can hold over the body's normal physiology as well as disease processes, we examined and discussed the impact circadian rhythm and clock genes hold over lifespan, neurodegenerative disorders, and tumorigenesis...
July 17, 2017: Current Neurovascular Research
https://www.readbyqxmd.com/read/28721695/myopes-have-significantly-higher-serum-melatonin-concentrations-than-non-myopes
#14
Stephanie Kearney, Lisa O'Donoghue, Kirsty L Pourshahidi, Diego Cobice, Kathryn J Saunders
PURPOSE: Experimental animal models of myopia demonstrate that higher melatonin (Mel) and lower dopamine (DA) concentrations actively promote axial elongation. This study explored the association between myopia and serum concentrations of DA and Mel in humans. METHODS: Morning serum concentrations of DA and Mel were measured by solid phase extraction-liquid chromatography-tandem mass spectrometry from 54 participants (age 19.1 ± 0.81 years) in September/October 2014 (phase 1) and March/April 2016 (phase 2)...
July 18, 2017: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/28720848/the-natural-disc1-deletion-present-in-several-inbred-mouse-strains-does-not-affect-sleep
#15
Lars Dittrich, Alessandro Petese, Walker S Jackson
The gene Disrupted in Schizophrenia-1 (DISC1) is linked to a range of psychiatric disorders. Two recent transgenic studies suggest DISC1 is also involved in homeostatic sleep regulation. Several strains of inbred mice commonly used for genome manipulation experiments, including several Swiss and likely all 129 substrains, carry a natural deletion mutation of Disc1. This constitutes a potential confound for studying sleep in genetically modified mice. Since disturbed sleep can also influence psychiatric and neurodegenerative disease models, this putative confound might affect a wide range of studies in several fields...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28717201/cognitive-brain-responses-during-circadian-wake-promotion-evidence-for-sleep-pressure-dependent-hypothalamic-activations
#16
Carolin F Reichert, Micheline Maire, Virginie Gabel, Antoine U Viola, Thomas Götz, Klaus Scheffler, Markus Klarhöfer, Christian Berthomier, Werner Strobel, Christophe Phillips, Eric Salmon, Christian Cajochen, Christina Schmidt
The two-process model of sleep-wake regulation posits that sleep-wake-dependent homeostatic processes interact with the circadian timing system to affect human behavior. The circadian timing system is fundamental to maintaining stable cognitive performance, as it counteracts growing homeostatic sleep pressure during daytime. Using magnetic resonance imaging, we explored brain responses underlying working memory performance during the time of maximal circadian wake-promotion under varying sleep pressure conditions...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716800/relationship-between-vascular-resistance-and-sympathetic-nerve-fiber-density-in-arterial-vessels-in-children-with-sleep-disordered-breathing
#17
Anna Kontos, Kurt Lushington, James Martin, Quenten Schwarz, Ryan Green, David Wabnitz, Xiangjun Xu, Elke M Sokoya, Scott Willoughby, Mathias Baumert, Antonio Ferrante, Melissa La Forgia, Declan Kennedy
BACKGROUND: Sleep disordered breathing in children is associated with increased blood flow velocity and sympathetic overactivity. Sympathetic overactivity results in peripheral vasoconstriction and reduced systemic vascular compliance, which increases blood flow velocity during systole. Augmented blood flow velocity is recognized to promote vascular remodeling. Importantly, increased vascular sympathetic nerve fiber density and innervation in early life plays a key role in the development of early-onset hypertension in animal models...
July 17, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28716087/explaining-variation-in-adult-anopheles-indoor-resting-abundance-the-relative-effects-of-larval-habitat-proximity-and-insecticide-treated-bed-net-use
#18
Robert S McCann, Joseph P Messina, David W MacFarlane, M Nabie Bayoh, John E Gimnig, Emanuele Giorgi, Edward D Walker
BACKGROUND: Spatial determinants of malaria risk within communities are associated with heterogeneity of exposure to vector mosquitoes. The abundance of adult malaria vectors inside people's houses, where most transmission takes place, should be associated with several factors: proximity of houses to larval habitats, structural characteristics of houses, indoor use of vector control tools containing insecticides, and human behavioural and environmental factors in and near houses. While most previous studies have assessed the association of larval habitat proximity in landscapes with relatively low densities of larval habitats, in this study these relationships were analysed in a region of rural, lowland western Kenya with high larval habitat density...
July 17, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28714081/combining-two-model-systems-of-psychosis-the-effects-of-schizotypy-and-sleep-deprivation-on-oculomotor-control-and-psychotomimetic-states
#19
Inga Meyhöfer, Maria Steffens, Eliana Faiola, Anna-Maria Kasparbauer, Veena Kumari, Ulrich Ettinger
Model systems of psychosis, such as schizotypy or sleep deprivation, are valuable in informing our understanding of the etiology of the disorder and aiding the development of new treatments. Schizophrenia patients, high schizotypes, and sleep-deprived subjects are known to share deficits in oculomotor biomarkers. Here, we aimed to further validate the schizotypy and sleep deprivation models and investigated, for the first time, their interactive effects on smooth pursuit eye movements (SPEM), prosaccades, antisaccades, predictive saccades, and measures of psychotomimetic states, anxiety, depression, and stress...
July 17, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28713808/children-s-autonomic-nervous-system-reactivity-moderates-the-relations-between-family-adversity-and-sleep-problems-in-latino-5-year-olds-in-the-chamacos-study
#20
Abbey Alkon, W Thomas Boyce, Torsten B Neilands, Brenda Eskenazi
Sleep problems are common for young children especially if they live in adverse home environments. Some studies investigate if young children may also be at a higher risk of sleep problems if they have a specific biological sensitivity to adversity. This paper addresses the research question, does the relations between children's exposure to family adversities and their sleep problems differ depending on their autonomic nervous system's sensitivity to challenges? As part of a larger cohort study of Latino, low-income families, we assessed the cross-sectional relations among family demographics (education, marital status), adversities [routines, major life events (MLE)], and biological sensitivity as measured by autonomic nervous system (ANS) reactivity associated with parent-rated sleep problems when the children were 5 years old...
2017: Frontiers in Public Health
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