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https://www.readbyqxmd.com/read/29214822/meeting-sleep-guidelines-is-associated-with-better-health-related-quality-of-life-and-reduced-premature-all-cause-mortality-risk
#1
Paul D Loprinzi, Chelsea Joyner
PURPOSE: To examine whether meeting sleep guidelines (7-9 hours/night) is associated with better health-related quality of life (HRQOL) and reduced all-cause mortality risk. DESIGN: Prospective cohort study. SETTING: 2005 to 2010 National Health and Nutrition Examination Survey. PARTICIPANTS: A total of 13 423 adults. MEASURES: Sleep duration and HRQOL were assessed from self-report; covariates assessed via survey, examination, and laboratory data; and mortality assessed through 2011 via matching from the National Death Index...
January 1, 2017: American Journal of Health Promotion: AJHP
https://www.readbyqxmd.com/read/29209391/korean-brain-aging-study-for-the-early-diagnosis-and-prediction-of-alzheimer-s-disease-methodology-and-baseline-sample-characteristics
#2
Min Soo Byun, Dahyun Yi, Jun Ho Lee, Young Min Choe, Bo Kyung Sohn, Jun-Young Lee, Hyo Jung Choi, Hyewon Baek, Yu Kyeong Kim, Yun-Sang Lee, Chul-Ho Sohn, Inhee Mook-Jung, Murim Choi, Yu Jin Lee, Dong Woo Lee, Seung-Ho Ryu, Shin Gyeom Kim, Jee Wook Kim, Jong Inn Woo, Dong Young Lee
Objective: The Korean Brain Aging Study for the Early Diagnosis and Prediction of Alzheimer's disease (KBASE) aimed to recruit 650 individuals, aged from 20 to 90 years, to search for new biomarkers of Alzheimer's disease (AD) and to investigate how multi-faceted lifetime experiences and bodily changes contribute to the brain changes or brain pathologies related to the AD process. Methods: All participants received comprehensive clinical and neuropsychological evaluations, multi-modal brain imaging, including magnetic resonance imaging, magnetic resonance angiography, [11C]Pittsburgh compound B-positron emission tomography (PET), and [18F]fluorodeoxyglucose-PET, blood and genetic marker analyses at baseline, and a subset of participants underwent actigraph monitoring and completed a sleep diary...
November 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/29206630/does-untreated-obstructive-sleep-apnea-cause-secondary-erythrocytosis
#3
Christopher D Nguyen, Jon-Erik C Holty
BACKGROUND: The current literature suggests a relationship between obstructive sleep apnea (OSA) severity and hematocrit. However, the degree that OSA contributes to clinically significant erythrocytosis is uncertain. The aim of this study is to evaluate this association in a large study sample controlling for multiple confounders. METHODS: We evaluated consecutive subjects with suspected untreated OSA using multivariate analysis to test the associations between apnea-hypopnea index (AHI) and hematocrit...
September 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/29204433/adaptive-servoventilation-in-clinical-practice-beyond-serve-hf
#4
Winfried Randerath, Katja Schumann, Marcel Treml, Simon Herkenrath, Alessandra Castrogiovanni, Shahrokh Javaheri, Rami Khayat
Adaptive servoventilation (ASV) has proven effective at suppressing breathing disturbances during sleep, improving quality of life and cardiac surrogate parameters. Since the publication of the SERVE-HF-trial, ASV became restricted. The purpose of this study was to evaluate the clinical relevance of the SERVE-HF inclusion criteria in real life and estimate the portion of patients with these criteria with or without risk factors who are undergoing ASV treatment. We performed a retrospective study of all patients who were treated with ASV in a university-affiliated sleep laboratory...
October 2017: ERJ Open Research
https://www.readbyqxmd.com/read/29202829/prevalence-and-risk-factors-of-moderate-to-severe-obstructive-sleep-apnea-syndrome-in-major-depression-a-observational-and-retrospective-study-on-703-subjects
#5
Matthieu Hein, Jean-Pol Lanquart, Gwenolé Loas, Philippe Hubain, Paul Linkowski
BACKGROUND: Several studies have investigated the prevalence and risk factors of depression in subjects with obstructive sleep apnea syndrome. However, few studies have investigated the prevalence and risk factors for obstructive sleep apnea syndrome in major depression. The aim of this study was to examine the prevalence and risk factors of moderate to severe obstructive sleep apnea syndrome in a large sample of individuals with major depression. METHODS: Data from 703 individuals with major depression recruited from the research database of the sleep laboratory of the Erasme Hospital were analysed...
December 4, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29201001/sociality-affects-rem-sleep-episode-duration-under-controlled-laboratory-conditions-in-the-rock-hyrax-procavia-capensis
#6
Nadine Gravett, Adhil Bhagwandin, Oleg I Lyamin, Jerome M Siegel, Paul R Manger
The rock hyrax, Procavia capensis, is a highly social, diurnal mammal. In the current study several physiologically measurable parameters of sleep, as well as the accompanying behavior, were recorded continuously from five rock hyraxes, for 72 h under solitary (experimental animal alone in the recording chamber), and social conditions (experimental animal with 1 or 2 additional, non-implanted animals in the recording chamber). The results revealed no significant differences between solitary and social conditions for total sleep times, number of episodes, episode duration or slow wave activity (SWA) for all states examined...
2017: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/29200833/positive-airway-pressure-adherence-and-subthreshold-adherence-in-posttraumatic-stress-disorder-patients-with-comorbid-sleep-apnea
#7
Barry J Krakow, Jessica J Obando, Victor A Ulibarri, Natalia D McIver
Study objectives: Patients with comorbid posttraumatic stress disorder (PTSD) and obstructive sleep apnea (OSA) manifest low adherence to continuous positive airway pressure (CPAP) due to fixed, pressure-induced expiratory pressure intolerance (EPI), a subjective symptom and objective sign aggravated by anxiety sensitivity and somatosensory amplification. As advanced PAP therapy modes (ie, auto-bilevel PAP [ABPAP] or adaptive servo-ventilation [ASV]) may address these side effects, we hypothesized such treatment would be associated with decreased expiratory intolerance and increased adherence in posttraumatic stress patients with co-occurring OSA...
2017: Patient Preference and Adherence
https://www.readbyqxmd.com/read/29198969/validation-of-a-touchscreen-psychomotor-vigilance-task
#8
Lucia Arsintescu, Kenji H Kato, Patrick F Cravalho, Nathan H Feick, Leland S Stone, Erin E Flynn-Evans
OBJECTIVE: The purpose of this study was to compare a psychomotor vigilance task developed for use on touchscreen devices with the original PVT-192 in conditions of acute sleep loss and circadian desynchronization. BACKGROUND: The Psychomotor Vigilance Task (PVT) is considered the gold standard fatigue detection test and is used frequently in fatigue research. With the rapid development of new technologies it is essential to develop a PVT available on different platforms such as touchscreen devices...
November 30, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/29198306/sleep-architecture-in-children-with-common-phenotype-of-obstructive-sleep-apnea
#9
Peter Durdik, Anna Sujanska, Stanislava Suroviakova, Melania Evangelisti, Peter Banovcin, Maria Pia Villa
STUDY OBJECTIVES: In children, the effect of the common phenotype of obstructive sleep apnea (OSA) on sleep architecture is not adequately documented. The aim of this study was to evaluate sleep architecture in a pediatric population with the common phenotype of OSA. METHODS: The prospective cross-sectional study included 116 children in the age range of 3 to 8 years with suspected OSA and 51 healthy children. All children underwent standard overnight in-laboratory video polysomnography...
November 29, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/29189340/influence-of-postconcussion-sleep-duration-on-concussion-recovery-in-collegiate-athletes
#10
Nicole L Hoffman, Michelle L Weber, Steven P Broglio, Michael McCrea, Thomas W McAllister, Julianne D Schmidt
OBJECTIVE: To determine whether decreased sleep duration postconcussion influences days to asymptomatic and assessment of performance throughout recovery. DESIGN: Prospective. SETTING: Institutional Clinical Research Laboratory. PATIENTS: Four hundred twenty-three collegiate athletes were diagnosed with concussion. INTERVENTIONS: Multidimensional concussion assessment battery was conducted at baseline, within 24 to 48 hours, daily [2-4 days postinjury (PI); symptoms only], once asymptomatic, and after return-to-play...
November 16, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29176802/assessment-of-automated-analysis-of-portable-oximetry-as-a-screening-test-for-moderate-to-severe-sleep-apnea-in-patients-with-chronic-obstructive-pulmonary-disease
#11
Ana M Andrés-Blanco, Daniel Álvarez, Andrea Crespo, C Ainhoa Arroyo, Ana Cerezo-Hernández, Gonzalo C Gutiérrez-Tobal, Roberto Hornero, Félix Del Campo
BACKGROUND: The coexistence of obstructive sleep apnea syndrome (OSAS) and chronic obstructive pulmonary disease (COPD) leads to increased morbidity and mortality. The development of home-based screening tests is essential to expedite diagnosis. Nevertheless, there is still very limited evidence on the effectiveness of portable monitoring to diagnose OSAS in patients with pulmonary comorbidities. OBJECTIVE: To assess the influence of suffering from COPD in the performance of an oximetry-based screening test for moderate-to-severe OSAS, both in the hospital and at home...
2017: PloS One
https://www.readbyqxmd.com/read/29171170/reestablishment-of-individual-sleep-structure-during-a-single-14-h-recovery-sleep-episode-after-58%C3%A2-h-of-wakefulness
#12
Eva Hennecke, David Elmenhorst, Franco Mendolia, Matthias Putzke, Andreas Bauer, Daniel Aeschbach, Eva-Maria Elmenhorst
Sleep structure is highly stable within individuals but different between individuals. The present study investigated robustness of the individual sleep structure to extended total sleep deprivation. Seventeen healthy men spent a baseline night (23:00-07:00 hours), 58 h of sleep deprivation and a 14-h recovery night (17:00-07:00 hours) in the laboratory. Intraclass correlation coefficients showed that the agreement between baseline and recovery with respect to the proportion of the different sleep stages increased as a function of recovery sleep duration...
November 24, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/29169178/subjective-assessment-of-sleep-in-huntington-disease-reliability-of-sleep-questionnaires-compared-to-polysomnography
#13
Carla Piano, Giacomo Della Marca, Anna Losurdo, Claudio Imperatori, Marcella Solito, Giovanna Calandra-Buonaura, Federica Provini, Pietro Cortelli, Anna Rita Bentivoglio
INTRODUCTION: The aim of the study was to evaluate the clinical reliability of subjective sleep evaluation, based on sleep and psychometric questionnaires, by comparing the results with those obtained with laboratory-based video-polysomnography (V-PSG). PATIENTS AND METHODS: Thirty consecutive Huntington disease (HD) patients were enrolled. Subjective evaluation of sleep included the Pittsburgh Sleep Quality Index (PSQI), the sleep questionnaire for HD (HDQ), the Epworth Sleepiness Scale, the Bologna questionnaire for sleepiness (BQ), the Berlin questionnaire, and the RBD questionnaire; the International Restless Legs Syndrome Study Group scale was administered to patients with positive screening...
November 24, 2017: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/29167485/sleep-deprivation-diminishes-attentional-control-effectiveness-and-impairs-flexible-adaptation-to-changing-conditions
#14
Paul Whitney, John M Hinson, Brieann C Satterfield, Devon A Grant, Kimberly A Honn, Hans P A Van Dongen
Insufficient sleep is a global public health problem resulting in catastrophic accidents, increased mortality, and hundreds of billions of dollars in lost productivity. Yet the effect of sleep deprivation (SD) on decision making and performance is often underestimated by fatigued individuals and is only beginning to be understood by scientists. The deleterious impact of SD is frequently attributed to lapses in vigilant attention, but this account fails to explain many SD-related problems, such as loss of situational awareness and perseveration...
November 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29167048/prevalence-and-risk-factors-of-excessive-daytime-sleepiness-in-insomnia-sufferers-a-study-with-1311-individuals
#15
Matthieu Hein, Jean-Pol Lanquart, Gwenolé Loas, Philippe Hubain, Paul Linkowski
BACKGROUND: Several studies have investigated the prevalence and risk factors of excessive daytime sleepiness in the general population. However, few studies have investigated these in the particular subpopulation of insomnia sufferers. Thus, the aim of this study was to examine the prevalence and risk factors of excessive daytime sleepiness in a large sample of insomnia sufferers. METHODS: Data from 1311 insomnia sufferers with age≥18years and recruited from the research database of the sleep laboratory of the Erasme Hospital were analysed...
December 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/29166758/clinical-significance-of-anti-dense-fine-speckled-70-antibody-in-patients-with-fibromyalgia
#16
Jisoo Jeong, Dong Hyun Kim, Gun Park, Suyeon Park, Hyun-Sook Kim
Background/Aims: Fibromyalgia (FM) is a common rheumatologic disease characterized by chronic widespread pain, along with various clinical manifestations including atypical autoimmune characteristics. Despite its high prevalence, there remain no approved laboratory tests to identify specific manifestations of FM, or to rule out FM from other rheumatic diseases. Anti-dense fine speckled 70 (anti-DFS70) antibodies were initially identified as a form of anti-nuclear antibodies in a patient with interstitial cystitis...
November 24, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29166387/effects-of-total-sleep-deprivation-on-divided-attention-performance
#17
Eric Chern-Pin Chua, Eric Fang, Joshua J Gooley
Dividing attention across two tasks performed simultaneously usually results in impaired performance on one or both tasks. Most studies have found no difference in the dual-task cost of dividing attention in rested and sleep-deprived states. We hypothesized that, for a divided attention task that is highly cognitively-demanding, performance would show greater impairment during exposure to sleep deprivation. A group of 30 healthy males aged 21-30 years was exposed to 40 h of continuous wakefulness in a laboratory setting...
2017: PloS One
https://www.readbyqxmd.com/read/29166136/the-gamma-aminobutyric-acid-b-receptor-gabab-encephalitis-clinical-manifestations-and-response-to-immunotherapy
#18
Junzhao Cui, Hui Bu, Junying He, Zeyan Zhao, Weixin Han, Ruiping Gao, Xiaoqing Li, Qing Li, Xiaosu Guo, Yueli Zou
PURPOSE: We report 11 patients diagnosed with GABAB receptor (GABABR) antibodies encephalitis in China and aim to analyse the clinical characteristics, laboratory and imaging findings, therapeutic modalities and outcomes. METHODS: Clinical data from patients diagnosed with anti-GABAB receptor encephalitis in the Second Affiliated Hospital of Hebei Medical University from February 2016 to October 2016 January were retrospectively collected and evaluated. RESULTS: Seven of the eleven patients were males, and a mean age at presentation of 63 years (range: 47-79 years)...
November 22, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29160176/impact-of-bedding-volume-on-physiological-and-behavioural-parameters-in-laboratory-mice
#19
Jennifer Freymann, Ping-Ping Tsai, Helge D Stelzer, Reinhard Mischke, Hansjoachim Hackbarth
The standard housing temperature in animal facilities is substantially below the lower critical temperature of mice. This does not only endanger animal welfare, it can also jeopardize scientific research as cold stress has a major impact on mouse physiology. There is some evidence that deep bedding, comparable to nesting material, can help mice to reduce heat loss. Whenever changes are applied to the cage environment, the potential impact on experimental results, including variation, needs to be assessed. An increased variation can result in a conflict between reduction and refinement, when more animals are needed for significance due to the housing design...
December 2017: Laboratory Animals
https://www.readbyqxmd.com/read/29159867/computing-sleep-deficiency
#20
Thomas C Erren, J Valerie Groß, Philip Lewis
Sleep deficiency is a major public health concern. Since epidemiological studies play an important role in public health evaluations, this theoretical paper pursues answers to the question: 'How can we compute sleep deficiency as informative measures of exposures or doses in observational research?' Starting from the social jetlag concept and based on the chronodisruption rationale, we illustrate and discuss five approaches (one established and four untested, each with unique strengths and limitations) to quantify sleep deficiency by focusing on the timing and duration of sleep...
November 20, 2017: Journal of Sleep Research
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