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https://www.readbyqxmd.com/read/29136234/non-apnoea-sleep-disorder-increases-the-risk-of-subsequent-female-infertility-a-nationwide-population-based-cohort-study
#1
I-Duo Wang, Yung-Liang Liu, Chung-Kan Peng, Chi-Hsiang Chung, Shan-Yueh Chang, Chang-Huei Tsao, Wu-Chien Chien
Study Objectives: Non-apnoea sleep disorder (NASD) increases the risk of hypertension, type 2 diabetes mellitus (DM), chronic kidney disease (CKD), cardiovascular disease and stroke. However, the risk and the time interval of NASD to female infertility has not been thoroughly understood. Our study aimed to determine whether NASD increases subsequent risk of female infertility. Methods: This study utilized outpatient and inpatient data from the Longitudinal Health Insurance Database (LHID) between 2000 and 2010 in Taiwan...
November 9, 2017: Sleep
https://www.readbyqxmd.com/read/29126328/repeated-administration-effects-on-psychomotor-vigilance-test-pvt-performance
#2
Mathias Basner, Emanuel Hermosillo, Jad Nasrini, Sarah McGuire, Salil Saxena, Tyler M Moore, Ruben C Gur, David F Dinges
Study Objectives: The Psychomotor Vigilance Test (PVT) is reported to be free of practice effects that can otherwise confound the effects of sleep loss and circadian misalignment on performance. This differentiates the PVT from more complex cognitive tests. To our knowledge, no study has systematically investigated practice effects on the PVT across multiple outcome domains, depending on administration interval, and in ecologically more valid settings. Methods: We administered a validated 3-minute PVT (PVT-B) 16 times in 45 subjects (23 male, mean±SD age 32...
November 8, 2017: Sleep
https://www.readbyqxmd.com/read/29121334/pharmacotherapy-of-apnea-by-cannabimimetic-enhancement-the-pace-clinical-trial-effects-of-dronabinol-in-obstructive-sleep-apnea
#3
David W Carley, Bharati Prasad, Kathryn J Reid, Roneil Malkani, Hryar Attarian, Sabra M Abbott, Boris Vern, Hui Xie, Chengbo Yuan, Phyllis Zee
Study Objectives: There remains an important and unmet need for fully effective and acceptable treatments in obstructive sleep apnea (OSA). At present, there are no approved drug treatments. Dronabinol has shown promise for OSA pharmacotherapy in a small dose-escalation pilot study. Here, we present initial findings of the Phase II PACE (Pharmacotherapy of Apnea by Cannabimimetic Enhancement) trial, a fully-blinded parallel groups, placebo-controlled randomized trial of dronabinol in patients with moderate or severe OSA...
November 7, 2017: Sleep
https://www.readbyqxmd.com/read/29112764/sleep-apnea-and-kidney-function-trajectory-results-from-a-20-year-longitudinal-study-of-healthy-middle-aged-adults
#4
Muna T Canales, Erika W Hagen, Jodi H Barnet, Paul E Peppard, Stephen F Derose
Objective: To determine whether sleep apnea, defined by polysomnography, accelerates kidney function decline in generally healthy adults not selected for sleep apnea or kidney disease. Methods: We performed a retrospective cohort study 855 participants from the Wisconsin Sleep Cohort Study (WSCS), a large 20-year population-based study of sleep apnea, who had at least one polysomnogram and serial measurements of serum creatinine over time. Sleep apnea was defined as an apnea-hypopnea index ≥15 or positive airway pressure (PAP) use at baseline...
November 3, 2017: Sleep
https://www.readbyqxmd.com/read/29112763/insight-into-reduction-of-wakefulness-by-suvorexant-in-patients-with-insomnia-analysis-of-wake-bouts
#5
Vladimir Svetnik, Ellen S Snyder, Peining Tao, Thomas E Scammell, Thomas Roth, Christopher Lines, W Joseph Herring
Objectives: To examine the duration and frequency of wake bouts underlying the wakefulness-after-sleep-onset (WASO) reduction with suvorexant. Methods: We analyzed polysomnogram recordings from clinical trials involving 1518 insomnia patients receiving suvorexant (40/30mg, 20/15mg) or placebo to determine: 1) the number of, and time spent in, long or short wake bouts, 2) the association between sleep quality and bout characteristics. We also compared wake and sleep bout characteristics of suvorexant in insomnia patients versus zolpidem in healthy subjects undergoing experimentally-induced transient insomnia...
November 3, 2017: Sleep
https://www.readbyqxmd.com/read/29099980/parent-reported-symptoms-of-sleep-disordered-breathing-is-associated-with-increased-behavioral-problems-at-2-years-of-age-the-canadian-healthy-infant-longitudinal-development-child-birth-cohort-study
#6
Sukhpreet K Tamana, Lisa Smithson, Amanda Lau, Jennifer Mariasine, Rochelle Young, Joyce Chikuma, Diana L Lefebvre, Padmaja Subbarao, Allan B Becker, Stuart E Turvey, Malcolm R Sears, Jacqueline Pei, Piush J Mandhane
Objectives: To examine the association between the age of onset and duration of parent-reported symptoms of sleep disordered breathing (SDB) and behavioral problems at age two years. Methods: Parent-reported SDB symptoms were assessed quarterly between three months and two years among 583 Canadian Healthy Infant Longitudinal Development (CHILD) Edmonton-site participants. Parent-reported SDB symptoms were clustered into phenotypes using group-based trajectory analysis based on age of onset and duration of symptoms...
November 1, 2017: Sleep
https://www.readbyqxmd.com/read/29099966/test-retest-reliability-of-the-multiple-sleep-latency-test-in-central-disorders-of-hypersomnolence
#7
Régis Lopez, Anis Doukkali, Lucie Barateau, Elisa Evangelista, Sofiene Chenini, Isabelle Jaussent, Yves Dauvilliers
Study objectives: To assess the test-retest reliability of the polysomnography-multiple sleep latency test (PSG-MSLT) diagnostic classification and measures, and to study the determinants of its variability in patients with narcolepsy type 1 (NT1) or with non-cataplectic central disorders of hypersomnolence (NCHS): type 2 (NT2), idiopathic hypersomnia (IH) and unspecified hypersomnolence (UnsEDS). Methods: PSG-MSLT in drug-free conditions was administered twice (median interval of 1...
November 1, 2017: Sleep
https://www.readbyqxmd.com/read/29099950/sleep-quality-after-modified-uvulopalatopharyngoplasty-results-from-the-skup3-randomized-controlled-trial
#8
Sundman Joar, Friberg Danielle, Bring Johan, Lowden Arne, Nagai Roberta, Browaldh Nanna
Study Objectives: To investigate whether uvulopalatopharyngoplasty (UPPP) improves sleep quality in patients with Obstructive Sleep Apnea (OSA) using the Functional Outcomes of Sleep Questionnaire (FOSQ) and the Karolinska Sleep Questionnaire (KSQ). Methods: Randomized controlled trial used to compare modified UPPP, with controls at baseline and after six months. The controls received delayed surgery and a six-month postoperative follow-up. All operated patients were offered a 24-month follow-up...
November 1, 2017: Sleep
https://www.readbyqxmd.com/read/29087522/slow-wave-sleep-is-associated-with-incident-hypertension-the-sleep-heart-health-study
#9
Sogol Javaheri, Ying Y Zhao, Naresh M Punjabi, Stuart F Quan, Daniel J Gottlieb, Susan Redline
We sought to quantify the association between slow wave (stage N3) sleep and hypertension in a large cohort of middle-aged men and women. Data from 1850 participants free of baseline hypertension from the Sleep Heart Health Study were analyzed. The primary exposure was percentage of N3 sleep on baseline in-home polysomnography and the primary outcome was incident hypertension, defined as systolic blood pressure ≥140 mm Hg, diastolic blood pressure ≥90 mm Hg, and/or use of any blood pressure lowering medications at follow-up...
October 26, 2017: Sleep
https://www.readbyqxmd.com/read/29069490/optimizing-mslt-specificity-in-narcolepsy-with-cataplexy
#10
T Murer, L L Imbach, M Hackius, R N Taddei, E Werth, R Poryazova, Y V Gavrilov, S Winkler, D Waldvogel, C R Baumann, P O Valko
Objective: Multiple sleep onset rapid eye movement (R) periods (SOREMPs) and a mean sleep latency ≤8min on the multiple sleep latency test (MSLT) are diagnostic criteria of narcolepsy (NC), but occur also in other conditions with increased sleep pressure, including insufficient sleep syndrome (ISS), sleep disordered breathing (SDB) or Parkinson's disease (PD). These false positives are common, may create diagnostic uncertainty, and highlight the need for complementary MSLT measures with high specificity for narcolepsy...
October 23, 2017: Sleep
https://www.readbyqxmd.com/read/29045745/long-term-oral-appliance-therapy-improves-daytime-function-and-mood-in-upper-airway-resistance-syndrome-patients
#11
Luciana B M Godoy, Luciana Palombini, Dalva Poyares, Cibele Dal-Fabbro, Thaís Moura Guimarães, Priscila Calixto Klichouvicz, Sergio Tufik, Sonia Maria Togeiro
Objectives: To evaluate the long term effects of an oral appliance on clinical symptoms, respiratory sleep parameters, sleep quality and sustained attention in patients with Upper Airway Resistance Syndrome (UARS) compared with placebo. Methods: This study was a randomized placebo-controlled clinical trial. Thirty UARS patients were randomized in two groups: placebo and mandibular advancement device (MAD) groups. UARS criteria were presence of sleepiness (Epworth Sleepiness Scale ≥ 10) and/or fatigue (Modified Fatigue Impact Scale ≥ 38) associated with an apnea/hypopnea index (AHI) ≤ 5 and a respiratory disturbance index (RDI) > 5 events/hour of sleep, and/or flow limitation in more than 30% of total sleep time...
October 17, 2017: Sleep
https://www.readbyqxmd.com/read/29045753/association-between-the-rs1229984-polymorphism-in-the-alcohol-dehydrogenase-b-adh1b-gene-and-risk-for-restless-legs-syndrome
#12
Félix Javier Jiménez-Jiménez, Javier Gómez-Tabales, Hortensia Alonso-Navarro, Martín Zurdo, Laura Turpín-Fenoll, Jorge Millán-Pascual, Teresa Adeva-Bartolomé, Esther Cubo, Francisco Navacerrada, Ana Rojo-Sebastián, Lluisa Rubio, Mónica Díez-Fairén, Pau Pastor, Marisol Calleja, José Francisco Plaza-Nieto, Belén Pilo-de-la-Fuente, Margarita Arroyo-Solera, Esteban García-Albea, José A G Agúndez, Elena García-Martín
Background/Objective: Several studies have raised the possibility of an association between alcohol consumption and the risk of developing restless legs syndrome (RLS). Moreover, an important percentage of patients under alcohol detoxification therapy develop RLS symptoms fulfil the criteria for idiopathic RLS during alcohol withdrawal. We have aimed to establish the possible association between 2 common single nucleotide polymorphisms (SNPs) in the alcohol-dehydrogenase 1B (ADH1B) gene, and the risk for RLS...
October 16, 2017: Sleep
https://www.readbyqxmd.com/read/29040758/linking-light-exposure-and-subsequent-sleep-a-field-polysomnography-study-in-humans
#13
Emma J Wams, Tom Woelders, Irene Marring, Laura van Rosmalen, Domien G M Beersma, Marijke C M Gordijn, Roelof A Hut
Study objectives: To determine the effect of light exposure on subsequent sleep characteristics under ambulatory field conditions. Methods: Twenty healthy participants were fitted with ambulatory PSG and wrist-actigraphs to assess light exposure, rest-activity, sleep quality, timing and architecture. Laboratory salivary dim-light melatonin onset (DLMO) was analyzed to determine endogenous circadian phase. Results: Later circadian clock phase was associated with lower intensity (R2=0...
October 11, 2017: Sleep
https://www.readbyqxmd.com/read/29029284/the-influence-of-co2-on-genioglossus-muscle-after-discharge-following-arousal-from-sleep-hypocapnia-and-genioglossus-muscle-after-discharge
#14
Jennifer M Cori, Peter D Rochford, Fergal J O'Donoghue, John Trinder, Amy S Jordan
Objectives: Ventilatory after-discharge (sustained elevation of ventilation following stimulus removal), occurs during sleep but not when hypocapnia is present. Genioglossus after-discharge also occurs during sleep, but CO2 effects have not been assessed. The relevance is that post-arousal after-discharge may protect against upper airway collapse. This study aimed to determine whether arousal elicits genioglossus after-discharge that persists into sleep, and whether it is influenced by CO2...
October 6, 2017: Sleep
https://www.readbyqxmd.com/read/29029348/dysregulation-of-sleep-behavioral-states-in-narcolepsy
#15
Sarah F Schoch, Esther Werth, Rositsa Poryazova, Thomas E Scammell, Christian R Baumann, Lukas L Imbach
Study Objectives: Patients with narcolepsy suffer from poor maintenance of wakefulness and fragmented night sleep, but the underlying mechanism of sleep boundary dysregulation remains little understood. The goal of this study was to quantify abnormal sleep-wake regulation in narcolepsy patients. Methods: Using a model-based approach (state space analysis), we analyzed overnight EEG recordings in ten patients with narcolepsy type 1 and age- and gender-matched healthy control subjects...
October 5, 2017: Sleep
https://www.readbyqxmd.com/read/29029347/childhood-health-and-educational-outcomes-associated-with-maternal-sleep-apnea-a-population-record-linkage-study
#16
Yu Sun Bin, Peter A Cistulli, Christine L Roberts, Jane B Ford
Objectives: Sleep apnea in pregnancy is known to adversely affect birth outcomes. Whether in utero exposure to maternal sleep apnea is associated with long-term childhood consequences is unclear. Methods: Population-based longitudinal study of singleton infants born during 2002 to 2012 was conducted using linked birth, hospital, death, developmental, and educational records from New South Wales, Australia. Maternal sleep apnea during pregnancy was identified from hospital records...
October 5, 2017: Sleep
https://www.readbyqxmd.com/read/29029309/limited-efficacy-of-caffeine-and-recovery-costs-during-and-following-5-days-of-chronic-sleep-restriction-caffeine-and-sleep-restriction
#17
Tracy Jill Doty, Christine J So, Elizabeth M Bergman, Sara K Trach, Ruthie H Ratcliffe, Angela M Yarnell, Vincent F Capaldi, James E Moon, Thomas J Balkin, Phillip J Quartana
Objectives: To investigate the effects of caffeine on psychomotor vigilance and sleepiness during sleep restriction and following subsequent recovery sleep. Methods: Participants were N=48 healthy good sleepers. All participants underwent 5 nights of sleep satiation [time-in-bed (TIB): 10 hrs], followed by 5 nights of sleep restriction (TIB: 5 hrs), and 3 nights of recovery sleep (TIB: 8 hrs) in a sleep laboratory. Caffeine (200 mg) or placebo was administered in the form of chewing gum at 0800 and 1200 hrs each day during the sleep restriction phase...
October 5, 2017: Sleep
https://www.readbyqxmd.com/read/29029239/what-does-the-sleeping-brain-say-syntax-and-semantics-of-sleep-talking-in-healthy-subjects-and-in-parasomnia-patients
#18
Isabelle Arnulf, Ginevra Uguccioni, Frederick Gay, Etienne Baldayrou, Jean-Louis Golmard, Frederique Gayraud, Alain Devevey
Objectives: Speech is a complex function in humans, but the linguistic characteristics of sleep talking are unknown. We analyzed sleep-associated speech in adults, mostly (92%) during parasomnias. Methods: The utterances recorded during night-time video-polysomnography were analyzed for number of words, propositions and speech episodes, frequency, gaps and pauses (denoting turn-taking in the conversation), lemmatization, verbosity, negative/imperative/interrogative tone, first/second person, politeness and abuse...
October 5, 2017: Sleep
https://www.readbyqxmd.com/read/29029237/cpap-does-not-reduce-inflammatory-biomarkers-in-patients-with-coronary-artery-disease-and-nonsleepy-obstructive-sleep-apnea-a-randomized-controlled-trial
#19
Erik Thunström, Helena Glantz, Tülay Yucel-Lindberg, Kristin Lindberg, Mustafa Saygin, Yüksel Peker
Objectives: Obstructive sleep apnea (OSA) and enhanced vascular inflammation coexist in patients with coronary artery disease (CAD). Continuous positive airway pressure (CPAP) is first-line treatment for OSA with daytime sleepiness. This analysis of data from the RICCADSA trial investigated the effects of CPAP on inflammatory markers in patients with CAD and nonsleepy OSA. Methods: This single-center, randomized, controlled, open-label trial enrolled consecutive revascularized patients with nonsleepy OSA (apnea-hypopnea index >15/h; Epworth Sleepiness Scale score <10)...
October 5, 2017: Sleep
https://www.readbyqxmd.com/read/29029214/sleepless-night-and-day-the-plight-of-progressive-supranuclear-palsy
#20
Christine M Walsh, Leslie Ruoff, Kathleen Walker, Alaisa Emery, Jonathan Varbel, Elissaios Karageorgiou, Phi N Luong, Irida Mance, Hilary W Heuer, Adam L Boxer, Lea T Grinberg, Joel H Kramer, Bruce L Miller, Thomas C Neylan
Objectives: To elucidate the unique sleep and waking characteristics in progressive supranuclear palsy (PSP), a neurodegenerative disease associated with motor deficits and dementia that largely affects the brainstem and thalamic regions. Methods: 20 PSP and 16 healthy older adult controls participated in this study. Participants underwent an overnight polysomnography and multiple sleep latency test (MSLT) the following day. Prior to the MSLT last trial, participants were asked to complete the Stanford Sleepiness Scale...
October 5, 2017: Sleep
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