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Sleep Disorders

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https://www.readbyqxmd.com/read/29862087/cyclic-alternating-pattern-in-obstructive-sleep-apnea-patients-with-versus-without-excessive-sleepiness
#1
Selda Korkmaz, Nedime Tugce Bilecenoglu, Murat Aksu, Tahir Kurtulus Yoldas
Background: One of the main hypotheses on the development of daytime sleepiness (ES) is increased arousal in obstructive sleep apnea (OSA). Cyclic alternating pattern (CAP) is considered to be the main expression of sleep microstructure rather than arousal. Therefore, we aimed to investigate whether there is any difference between OSA patients with versus without ES in terms of the parameters of sleep macro- and microstructure and which variables are associated with Epworth Sleepiness Scale (ESS) score...
2018: Sleep Disorders
https://www.readbyqxmd.com/read/29862086/association-between-the-munich-chronotype-questionnaire-and-wrist-actigraphy
#2
Jose Arturo Santisteban, Thomas G Brown, Reut Gruber
Chronotype refers to individuals' preferences for timing of sleep and wakefulness. It can be quantified by measuring the midpoint time between the start and end of sleep during free days. Measuring chronotype is helpful to diagnose circadian rhythm sleep-wake disorders. The Munich Chronotype Questionnaire (MCTQ) is a self-reported measure of chronotype that calculates the midpoint of sleep on free days based on self-reported bed and wake times. Self-reports of sleep are prone to bias. The objective was to examine the agreement between the MCTQ-derived midpoint and an objective measure obtained using wrist actigraphy...
2018: Sleep Disorders
https://www.readbyqxmd.com/read/29850262/shortening-of-the-pittsburgh-sleep-quality-index-survey-using-factor-analysis
#3
Oluremi A Famodu, Makenzie L Barr, Ida Holásková, Wenjun Zhou, Jesse S Morrell, Sarah E Colby, Melissa D Olfert
Objective/Introduction: Lengthy surveys have the potential to burden users and can lead to inaccuracies. Conducting analyses to shorten existing validated surveys is beneficial. The objective, therefore, was to shorten the Pittsburgh Quality Sleep Index (PSQI) for young adults. Methods: PSQI data from 1246 college students were used. An exploratory factor analysis (FA) was utilized to shorten survey after dropping select items. Nonparametric correlation analysis (Spearman's rho) was conducted between the global sleep scores of the shortened and original surveys...
2018: Sleep Disorders
https://www.readbyqxmd.com/read/29850261/prevalence-and-associated-factors-of-sleep-quality-among-adults-in-jimma-town-southwest-ethiopia-a-community-based-cross-sectional-study
#4
Hiwot Berhanu, Andualem Mossie, Samuel Tadesse, Daniel Geleta
Background: An estimated 150 million people worldwide and nearly 17% of the populations in the developing nations are currently suffering from sleep problems. The aim of the present study was to determine the prevalence and associated factors of sleep quality among adults in Ethiopia. Method: A cross-sectional study was conducted on 422 randomly selected adults using validated and pretested Pittsburgh Sleep Quality Index. Data were entered into EpiData and analyzed using SPSS version 20 considering bivariable ( P value < 0...
2018: Sleep Disorders
https://www.readbyqxmd.com/read/29410921/a-randomized-crossover-trial-of-a-pressure-relief-technology-sensawake%C3%A2-in-continuous-positive-airway-pressure-to-treat-obstructive-sleep-apnea
#5
Richard K Bogan, Charles Wells
Objectives/Background: Improving adherence to CPAP devices is crucial to reduce the long-term morbidity associated with OSA. SensAwake is a unique pressure relief technology that aims to promptly reduce the pressure upon sensing irregular respiration indicative of wakefulness. The purpose of this study was to compare adherence and sleep-quality outcomes in patients treated by CPAP with and without SensAwake technology. Methods: Participants with moderate-to-severe OSA were randomized to use CPAP devices with or without SensAwake (4 weeks) before crossing over...
2017: Sleep Disorders
https://www.readbyqxmd.com/read/29181201/sleep-in-the-postpartum-characteristics-of-first-time-healthy-mothers
#6
Laura Creti, Eva Libman, Dorrie Rizzo, Catherine S Fichten, Sally Bailes, Dieu-Ly Tran, Phyllis Zelkowitz
Goals for the present study were to (a) describe the sleep of healthy new mothers over a 6-month postpartum period, (b) examine how sleep quality relates to daytime levels of fatigue and sleepiness, and (c) evaluate the relationship between mothers' and infants' sleep parameters. The sample consisted of 37 healthy, partnered, first-time mothers who had experienced full-term vaginal birth and had a healthy infant. We investigated infants' sleep parameters and mothers' sleep, mood, and daytime functioning 2 and 6 months postpartum...
2017: Sleep Disorders
https://www.readbyqxmd.com/read/29057124/systems-biology-genetic-approach-identifies-serotonin-pathway-as-a-possible-target-for-obstructive-sleep-apnea-results-from-a-literature-search-review
#7
Ram Jagannathan, Azizi Seixas, David St-Jules, Lakshmanan Jagannathan, April Rogers, Lu Hu, Girardin Jean-Louis, Mary Ann Sevick
RATIONALE: Overall validity of existing genetic biomarkers in the diagnosis of obstructive sleep apnea (OSA) remains unclear. The objective of this systematic genetic study is to identify "novel" biomarkers for OSA using systems biology approach. METHODS: Candidate genes for OSA were extracted from PubMed, MEDLINE, and Embase search engines and DisGeNET database. The gene ontology (GO) analyses and candidate genes prioritization were performed using Enrichr tool...
2017: Sleep Disorders
https://www.readbyqxmd.com/read/28473927/influence-of-oral-appliances-for-mandibular-advancement-on-dentitions-using-a-strain-gauge-analysis-a-pilot-study
#8
Hiroshi Ueda, Yu Matsumura, Atsushi Horihata, Cynthia Concepcion, Koji Iwai, Kotaro Tanimoto
Introduction. This study aimed to evaluate the influence of oral appliances (OAs) on dentition using a strain gauge analysis. Materials/Methods. Eight volunteers, who were mild snorers, participated in this study. OAs were individually constructed, and advancement was defined as two-thirds of the maximum mandibular advancement. Strain gauges were mounted on the right first molar and central incisor of both the upper and lower arches. After OA use, two measurement sessions (short- and long-term) were performed...
2017: Sleep Disorders
https://www.readbyqxmd.com/read/28465841/-are-we-in-sync-with-each-other-exploring-the-effects-of-cosleeping-on-heterosexual-couples-sleep-using-simultaneous-polysomnography-a-pilot-study
#9
Henning Johannes Drews, Sebastian Wallot, Sara Lena Weinhold, Panagiotis Mitkidis, Paul Christian Baier, Andreas Roepstorff, Robert Göder
The present study aimed to explore dynamic and interactive aspects of cosleep in heterosexual couples. The sample consisted of eight young healthy adults who belonged to four heterosexual couples with a good relationship quality and a history of cosleeping. All individuals underwent simultaneous polysomnography in a sleep laboratory for four nights in which they slept individually and with their partner. Also, a sleep protocol of subjective sleep measures was completed. Statistical analyses included cross recurrence quantification analysis to assess synchronization during sleep...
2017: Sleep Disorders
https://www.readbyqxmd.com/read/28352476/cpap-treatment-adherence-in-women-with-obstructive-sleep-apnea
#10
E Libman, S Bailes, C S Fichten, D Rizzo, L Creti, M Baltzan, R Grad, A Pavilanis, D-L Tran, K Conrod, R Amsel
Untreated obstructive sleep apnea (OSA) has numerous negative health-related consequences. Continuous positive airway pressure (CPAP) is generally considered the treatment of choice for OSA, but rates of nonadherence are high. It is believed that OSA is more prevalent among men; therefore understanding how OSA presents among women is limited and treatment adherence has received little research attention. For this study, 29 women were recruited from primary care offices. They completed a questionnaire battery and underwent a night of nocturnal polysomnography (PSG) followed by a visit with a sleep specialist...
2017: Sleep Disorders
https://www.readbyqxmd.com/read/28261503/cpap-treatment-partly-normalizes-sleep-spindle-features-in-obstructive-sleep-apnea
#11
Tiia Saunamäki, Eero Huupponen, Juho Loponen, Sari-Leena Himanen
Objective. Obstructive sleep apnea (OSA) decreases sleep spindle density and frequency. We evaluated the effects of continuous positive airway pressure (CPAP) treatment on different features of sleep spindles. Methods. Twenty OSA patients underwent two night polysomnographies in a diagnostic phase and one night polysomnography after 6 months of CPAP treatment. The control group comprised 20 healthy controls. Sleep spindles were analyzed by a previously developed automated method. Unilateral and bilateral spindles were identified in central and frontopolar brain locations...
2017: Sleep Disorders
https://www.readbyqxmd.com/read/27891255/comparison-of-subjective-and-objective-sleep-estimations-in-patients-with-bipolar-disorder-and-healthy-control-subjects
#12
Philipp S Ritter, Cathrin Sauer, Steffi Pfeiffer, Michael Bauer, Andrea Pfennig
Background . Several studies have described but not formally tested discrepancies between subjective and objective measures of sleep. Study Objectives . To test the hypothesis that patients with bipolar disorder display a systematic bias to underestimate sleep duration and overestimate sleep latency. Methods . Actimetry was used to assess sleep latency and duration in 49 euthymic participants (bipolar = 21; healthy controls = 28) for 5-7 days. Participants simultaneously recorded estimated sleep duration and sleep latency on a daily basis via an online sleep diary...
2016: Sleep Disorders
https://www.readbyqxmd.com/read/27822390/predictors-of-increased-daytime-sleepiness-in-patients-with-chronic-obstructive-pulmonary-disease-a-cross-sectional-study
#13
Claudia Enz, Stefanie Brighenti-Zogg, Esther Helen Steveling-Klein, Selina Dürr, Sabrina Maier, David Miedinger, Jörg Daniel Leuppi
Background . Patients with Chronic Obstructive Pulmonary Disease (COPD) suffer from increased daytime sleepiness. The aim of this study was to identify potential predictors of subjective daytime sleepiness with special regard to sleep-related breathing disorder and nocturnal activity. Methods . COPD patients were recruited at the University Hospital Basel, Switzerland. COPD risk groups A-D were determined according to spirometry and COPD Assessment Test (CAT). Breathing disorder evaluation was performed with the ApneaLink device...
2016: Sleep Disorders
https://www.readbyqxmd.com/read/27660727/characteristics-and-trends-in-hypnotics-consumption-in-the-largest-health-care-system-in-israel
#14
O Marom, G Rennert, N Stein, K Landsman, G Pillar
Objectives. To quantify and characterize hypnotics consumption habits among adult patients insured by Clalit Health Services (CHS), the largest health care provider in Israel, in 2000 and 2010. Methods. A retrospective analysis of CHS computerized pharmacy records. Data were collected for all patients over the age of 18 years who were prescribed hypnotics in 2000 and in 2010. Results. Sleep medications were consumed by 8.7% of the adult CHS population in 2000 and by 9.6% in 2010. About one-quarter of consumers were treated for more than 6 months in both years...
2016: Sleep Disorders
https://www.readbyqxmd.com/read/27648308/impact-of-a-new-nasal-pillows-mask-on-patients-acceptance-compliance-and-willingness-to-remain-on-cpap-therapy
#15
Alison Wimms, Sahisha Ketheeswaran, Claus Ziegenbein, Laura Jennings, Holger Woehrle
Aim. Continuous positive airway pressure (CPAP) masks are a key factor in patient compliance. This program assessed the performance of a new nasal pillows mask (NPM) on a variety of new and established obstructive sleep apnea (OSA) patients using CPAP therapy. Methods. Five programs were developed to assess the new NPM [AirFit P10, ResMed] on naïve patients; patients established on another NPM; patients using a nasal mask; patients with low CPAP compliance; and patients who wished to stop using CPAP therapy...
2016: Sleep Disorders
https://www.readbyqxmd.com/read/27413553/refreshing-sleep-and-sleep-continuity-determine-perceived-sleep-quality
#16
Eva Libman, Catherine Fichten, Laura Creti, Kerry Conrod, Dieu-Ly Tran, Roland Grad, Mary Jorgensen, Rhonda Amsel, Dorrie Rizzo, Marc Baltzan, Alan Pavilanis, Sally Bailes
Sleep quality is a construct often measured, employed as an outcome criterion for therapeutic success, but never defined. In two studies we examined appraised good and poor sleep quality in three groups: a control group, individuals with obstructive sleep apnea, and those with insomnia disorder. In Study 1 we used qualitative methodology to examine good and poor sleep quality in 121 individuals. In Study 2 we examined sleep quality in 171 individuals who had not participated in Study 1 and evaluated correlates and predictors of sleep quality...
2016: Sleep Disorders
https://www.readbyqxmd.com/read/27242930/auricular-acupuncture-and-cognitive-behavioural-therapy-for-insomnia-a-randomised-controlled-study
#17
L Bergdahl, J-E Broman, A H Berman, K Haglund, L von Knorring, A Markström
Objective. The most effective nonpharmacological treatment for insomnia disorder is cognitive behavioural therapy-insomnia (CBT-i). However CBT-i may not suit everyone. Auricular acupuncture (AA) is a complementary treatment. Studies show that it may alleviate insomnia symptoms. The aim of this randomised controlled study was to compare treatment effects of AA with CBT-i and evaluate symptoms of insomnia severity, anxiety, and depression. Method. Fifty-nine participants, mean age 60.5 years (SD 9.4), with insomnia disorder were randomised to group treatment with AA or CBT-i...
2016: Sleep Disorders
https://www.readbyqxmd.com/read/27051535/length-of-individual-apnea-events-is-increased-by-supine-position-and-modulated-by-severity-of-obstructive-sleep-apnea
#18
Timo Leppänen, Juha Töyräs, Anu Muraja-Murro, Salla Kupari, Pekka Tiihonen, Esa Mervaala, Antti Kulkas
Positional obstructive sleep apnea (OSA) is common among OSA patients. In severe OSA, the obstruction events are longer in supine compared to nonsupine positions. Corresponding scientific information on mild and moderate OSA is lacking. We studied whether individual obstruction and desaturation event severity is increased in supine position in all OSA severity categories and whether the severity of individual events is linked to OSA severity categories. Polygraphic recordings of 2026 patients were retrospectively analyzed...
2016: Sleep Disorders
https://www.readbyqxmd.com/read/27042358/the-impact-of-sleep-timing-sleep-duration-and-sleep-quality-on-depressive-symptoms-and-suicidal-ideation-amongst-japanese-freshmen-the-equsite-study
#19
Atin Supartini, Takanori Honda, Nadzirah A Basri, Yuka Haeuchi, Sanmei Chen, Atsushi Ichimiya, Shuzo Kumagai
Aim. The aim of this study was to identify the impact of bedtime, wake time, sleep duration, sleep-onset latency, and sleep quality on depressive symptoms and suicidal ideation amongst Japanese freshmen. Methods. This cross-sectional data was derived from the baseline survey of the Enhancement of Q-University Students Intelligence (EQUSITE) study conducted from May to June, 2010. A total of 2,631 participants were recruited and completed the following self-reported questionnaires: the Pittsburgh Sleep Quality Index (PSQI), the Center for Epidemiologic Studies Depression Scale (CES-D), and the original Health Support Questionnaires developed by the EQUSITE study research team...
2016: Sleep Disorders
https://www.readbyqxmd.com/read/26904296/relationship-of-routine-inadequate-sleep-duration-and-periodontitis-in-a-nationally-representative-sample
#20
R Constance Wiener
Purpose. Previous research has indicated the public health impact of inadequate sleep duration on health, potentially through an immune-inflammation mechanism. This mechanism also has a role in periodontitis. The purpose of this study is to determine if there is an association of routine inadequate sleep and periodontitis. Methods. Data from merged National Health and Nutrition Examination Survey years 2009-10 and 2011-12 were the data source for the study. The key outcome was periodontitis (yes, no), and the key variable of interest was usual sleep on weekday or workday nights...
2016: Sleep Disorders
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