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Sleep epidemiology

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https://www.readbyqxmd.com/read/28624902/screening-for-depression-in-arthritis-populations-an-assessment-of-differential-item-functioning-in-three-self-reported-questionnaires
#1
Jinxiang Hu, Michael M Ward
PURPOSE: To determine if persons with arthritis differ systematically from persons without arthritis in how they respond to questions on three depression questionnaires, which include somatic items such as fatigue and sleep disturbance. METHODS: We extracted data on the Centers for Epidemiological Studies Depression (CES-D) scale, the Patient Health Questionnaire-9 (PHQ-9), and the Kessler-6 (K-6) scale from three large population-based national surveys. We assessed items on these questionnaires for differential item functioning (DIF) between persons with and without self-reported physician-diagnosed arthritis using multiple indicator multiple cause models, which controlled for the underlying level of depression and important confounders...
June 17, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28617043/eveningness-is-associated-with-greater-depressive-symptoms-in-type-2-diabetes-patients-a-study-in-two-different-ethnic-cohorts
#2
Sunee Saetung, Hataikarn Nimitphong, Nantaporn Siwasaranond, Areesa Manodpitipong, Stephanie J Crowley, Megan M Hood, Sirimon Reutrakul
BACKGROUND: Eveningness is associated with greater depressive symptoms in the general population. Depression and type 2 diabetes (T2D) commonly coexist. We aimed to explore the association between morningness/eveningness and depressive symptoms in T2D patients in the United States and in Thailand. PARTICIPANTS: T2D patients (n=182) from an endocrinology clinic in Chicago, Illinois and six hospitals in Thailand (n=251) were enrolled. METHODS: Diabetes history was collected...
June 15, 2017: Behavioral Sleep Medicine
https://www.readbyqxmd.com/read/28599983/validity-of-the-berlin-questionnaire-in-detecting-obstructive-sleep-apnea-a-systematic-review-and-meta-analysis
#3
REVIEW
Chamara V Senaratna, Jennifer L Perret, Melanie C Matheson, Caroline J Lodge, Adrian J Lowe, Raisa Cassim, Melissa A Russell, John A Burgess, Garun S Hamilton, Shyamali C Dharmage
We aimed to systematically review the Berlin questionnaire as a screening tool for obstructive sleep apnea. We systematically searched PubMed, Embase, and Scopus databases, reviewed articles reporting the Berlin questionnaire's diagnostic utility as measured against type-1 polysomnography, and performed meta-analyses where possible. Thirty five eligible articles showed that the Berlin questionnaire's diagnostic utility varied by study population, definition of hypopnea used, and apnea-hypopnea index threshold used...
April 8, 2017: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/28599896/objectively-measured-short-sleep-duration-and-later-sleep-midpoint-in-pregnancy-are-associated-with-a-higher-risk-of-gestational-diabetes
#4
Francesca L Facco, William A Grobman, Kathryn J Reid, Corette B Parker, Shannon M Hunter, Robert M Silver, Robert C Basner, George R Saade, Grace W Pien, Shalini Manchanda, Judette M Louis, Chia-Ling Nhan-Chang, Judith H Chung, Deborah A Wing, Hyagriv N Simhan, David M Haas, Jay Iams, Samuel Parry, Phyllis C Zee
BACKGROUND: Experimental and epidemiologic data suggest that among non-pregnant adults, sleep duration may be an important risk factor for chronic disease. Although pregnant women commonly complain of poor sleep, few studies have objectively evaluated the quality of sleep in pregnancy or have explored the relationship between sleep disturbances and maternal and perinatal outcomes. OBJECTIVES: Our objective was to examine the relationship between objectively assessed sleep duration, timing and continuity (measured via wrist actigraphy) and maternal cardiovascular and metabolic morbidity specific to pregnancy...
June 6, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28589663/co-morbid-osa-and-insomnia-increases-depression-prevalence-and-severity-in-men
#5
Carol J Lang, Sarah L Appleton, Andrew Vakulin, R Doug McEvoy, Gary A Wittert, Sean A Martin, Peter G Catcheside, Nicholas A Antic, Leon Lack, Robert J Adams
BACKGROUND AND OBJECTIVE: Obstructive sleep apnoea (OSA) and insomnia coexist in clinical populations but prevalence in the community and risk factors remain largely unknown. We examined the prevalence and profile of previously undiagnosed co-morbid OSA and insomnia symptoms (COMISA) in community-dwelling men. METHODS: Men (n = 700, aged 58.5 ± 11.0 (mean ± SD) years) without a prior diagnosis of OSA completed full at-home unattended polysomnography, the Pittsburgh Sleep Quality Index and 36-item short form (SF-36) survey (2007-2012)...
June 7, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28587277/weight-status-is-related-with-gender-and-sleep-duration-but-not-with-dietary-habits-and-physical-activity-in-primary-school-italian-children
#6
Alice Rosi, Maria Vittoria Calestani, Liborio Parrino, Giulia Milioli, Luigi Palla, Elio Volta, Furio Brighenti, Francesca Scazzina
The prevalence of overweight and obesity in children has risen greatly worldwide. Diet and poor physical activity are the two risk factors usually examined, but epidemiological evidence exists suggesting a link between sleep duration and overweight/obesity in children. The aim of this study was to describe the relationship among body mass index (BMI), diet quality, physical activity level, and sleep duration in 690 children attending the 5th grade in primary schools (9-11 years old) in the city of Parma (Italy) involved in the Giocampus educational program...
June 6, 2017: Nutrients
https://www.readbyqxmd.com/read/28586374/nocturnal-leg-cramps-prevalence-and-associations-with-demographics-sleep-disturbance-symptoms-medical-conditions-and-cardiometabolic-risk-factors
#7
Michael A Grandner, John W Winkelman
BACKGROUND: Nocturnal leg cramps (NLC) are common and poorly understood. OBJECTIVE: To determine the prevalence of NLC and associations with cardiometabolic, sleep, and behavioral risk factors in the US population. DESIGN: Cross-sectional epidemiology. PARTICIPANTS: National Health and Nutrition Examination Survey, 2005-2006 and 2007-2008 waves. MAIN OUTCOME(S) AND MEASURE(S): NLC were assessed with, "In the past month, how often did you have leg cramps while trying to sleep?" Responses were categorized as None, Mild, or Moderate-Severe...
2017: PloS One
https://www.readbyqxmd.com/read/28584858/a-longitudinal-population-study-of-the-impact-of-cataract-extraction-on-sleep-quality
#8
Yanjun Chen, David M Nondahl, Carla R Schubert, Dayna S Dalton, Adam J Paulsen, Barbara E K Klein, Ronald Klein, Karen J Cruickshanks
PURPOSE: To investigate the longitudinal effects of cataract extraction on sleep quality in two discrete population cohorts. METHODS: 301 participants who had senile cataract in both eyes at the baseline examination were selected from two large longitudinal epidemiologic studies of age-related eye disease, hearing, olfaction, and cognition. The participants were divided into two groups: one had cataract surgery (CS) in both eyes, and the other had no cataract surgery (NCS) in either eye by the follow up examination...
2017: Cogent Medicine
https://www.readbyqxmd.com/read/28582324/sleep-related-movement-disorders-and-disturbances-of-motor-control
#9
Panagiotis Bargiotas, Claudio L Bassetti
PURPOSE OF REVIEW: Review of the literature pertaining to clinical presentation, classification, epidemiology, pathophysiology, diagnosis, and treatment of sleep-related movement disorders and disturbances of motor control. RECENT FINDINGS: Sleep-related movement disorders and disturbances of motor control are typically characterized by positive motor symptoms and are often associated with sleep disturbances and consequent daytime symptoms (e.g. fatigue, sleepiness)...
June 2, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28573658/an-approach-to-understanding-sleep-and-depressed-mood-in-adolescents-person-centred-sleep-classification
#10
Tamar Shochat, David H Barker, Katherine M Sharkey, Eliza Van Reen, Brandy M Roane, Mary A Carskadon
Depressive mood in youth has been associated with distinct sleep dimensions, such as timing, duration and quality. To identify discrete sleep phenotypes, we applied person-centred analysis (latent class mixture models) based on self-reported sleep patterns and quality, and examined associations between phenotypes and mood in high-school seniors. Students (n = 1451; mean age = 18.4 ± 0.3 years; 648 M) completed a survey near the end of high-school. Indicators used for classification included school night bed- and rise-times, differences between non-school night and school night bed- and rise-times, sleep-onset latency, number of awakenings, naps, and sleep quality and disturbance...
June 2, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28568377/one-in-two-cancer-patients-is-significantly-distressed-prevalence-and-indicators-of-distress
#11
A Mehnert, T J Hartung, M Friedrich, S Vehling, E Brähler, M Härter, M Keller, H Schulz, K Wegscheider, J Weis, U Koch, H Faller
OBJECTIVE: Psychological distress is common in cancer patients and awareness of its indicators is essential. We aimed to assess the prevalence of psychological distress and to identify problems indicative of high distress. METHODS: We used the Distress Thermometer (DT) and its 34-item Problem List to measure psychological distress in 3,724 cancer patients (mean age 58 years; 57% women) across major tumor entities, enrolled in an epidemiological multicenter study...
May 31, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28558398/-guidelines-in-practice-the-new-s3-guideline-sleeping-disorders-sleep-related-abnormal-breathing
#12
Martin Gerlach, Bernd Sanner
Sleep related breathing disorders include central sleep apnea (CSA), obstructive sleep apnea (OSA), sleep-related hypoventilation, and sleep-related hypoxia. These disorders are frequent and growing in clinical relevance. The related chapter of the S3 guideline "Non-restorative sleep/Sleep disorders", published by the German Sleep Society (DGSM), has recently been updated in November 2016. Epidemiology, diagnostics, therapeutic procedures, and classification of sleep related disorders have been revised. Concerning epidemiology, a considerably higher mortality rate among pregnant women with OSA has been emphasized...
May 30, 2017: Pneumologie
https://www.readbyqxmd.com/read/28554860/chronic-sleep-fragmentation-exacerbates-amyloid-%C3%AE-deposition-in-alzheimer-s-disease-model-mice
#13
Eiko N Minakawa, Koyomi Miyazaki, Kazushi Maruo, Hiroko Yagihara, Hiromi Fujita, Keiji Wada, Yoshitaka Nagai
Sleep fragmentation due to intermittent nocturnal arousal resulting in a reduction of total sleep time and sleep efficiency is a common symptom among people with Alzheimer's disease (AD) and elderly people with normal cognitive function. Although epidemiological studies have indicated an association between sleep fragmentation and elevated risk of AD, a relevant disease model to elucidate the underlying mechanisms was lacking owing to technical limitations. Here we successfully induced chronic sleep fragmentation in AD model mice using a recently developed running-wheel-based device and demonstrate that chronic sleep fragmentation increases amyloid β deposition...
May 26, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28550245/amyloid-burden-in-obstructive-sleep%C3%A2-apnea
#14
Chang-Ho Yun, Ho-Young Lee, Seung Ku Lee, Hyun Kim, Hyung Suk Seo, Seong Ae Bang, Sang Eun Kim, Douglas N Greve, Rhoda Au, Chol Shin, Robert J Thomas
To test the hypothesis that excessive amyloid deposition is a biological link between obstructive sleep apnea (OSA) and Alzheimer's disease, we determined whether OSA increases cerebral amyloid burden, relative to controls, using Pittsburgh Compound B (PiB) PET imaging. The subjects were adult participants (age 50-65 years) from the Korean Genome and Epidemiology Study. Polysomnography, brain MRI including 3D images, and a detailed neuro-cognitive function test battery were done in 2011-2012. Nineteen OSA subjects (Apnea-Hypopnea Index [AHI] ≥15/h, 21...
May 26, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28549713/childhood-opsoclonus-myoclonus-syndrome-a-case-series-from-tunisia
#15
Nedia Ben Achour, Saloua Mrabet, Ibtihel Rebai, Ines Abid, Hanene Benrhouma, Hedia Klaa, Aida Rouissi, Ichraf Kraoua, Ilhem Ben Youssef Turki
INTRODUCTION: Opsoclonus myoclonus syndrome (OMS) is a rare immune-mediated disorder characterized by opsoclonus, myoclonus, ataxia and behavioral changes. The aim of our study was to investigate the epidemiology, clinical features, etiological aspects and outcome of OMS in Tunisian children. METHODS: We conducted a retrospective study over 11years (2005-2016) including all patients aged under 18years who were managed for newly diagnosed OMS in a tertiary care research centre for children with neurological symptoms...
May 23, 2017: Brain & Development
https://www.readbyqxmd.com/read/28535270/intrinsically-photosensitive-retinal-ganglion-cell-function-sleep-efficiency-and-depression-in-advanced-age-related-macular-degeneration
#16
Michelle L Maynard, Andrew J Zele, Anthony S Kwan, Beatrix Feigl
Purpose: Melanopsin expressing intrinsically photosensitive retinal ganglion cells (ipRGC) input to multiple brain regions including those for pupil control, circadian rhythms, sleep and mood regulation. Here we measured ipRGC function and its relationship to sleep quality and depression in patients with advanced AMD. Methods: The melanopsin-mediated post-illumination pupil response (PIPR) was measured in 53 patients with advanced AMD (age 78.8 ± 8.8 years) and in 20 healthy controls (age 72...
February 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28530119/update-in-sleep-disordered-breathing-2016
#17
Najib T Ayas, Luciano F Drager, Mary J Morrell, Vsevolod Y Polotsky
No abstract text is available yet for this article.
June 15, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28528223/the-mediating-role-of-sleep-quality-on-the-relationship-between-perceived-stress-and-depression-among-the-elderly-in-urban-communities-a-cross-sectional-study
#18
Y Liu, T Li, L Guo, R Zhang, X Feng, K Liu
OBJECTIVE: This study aims to investigate the relationship between perceived stress, sleep quality, and depression among the elderly in urban communities, and further to determine whether sleep quality can serve as a mediator among the elderly in urban communities. STUDY DESIGN: A cross-sectional survey. METHODS: Between May and July in 2015, we conducted a cross-sectional survey among 1050 community residents aged ≥60 years from Liaoning province, China...
May 18, 2017: Public Health
https://www.readbyqxmd.com/read/28521005/using-directed-acyclic-graphs-in-epidemiological-research-in-psychosis-an-analysis-of-the-role-of-bullying-in-psychosis
#19
Giusi Moffa, Gennaro Catone, Jack Kuipers, Elizabeth Kuipers, Daniel Freeman, Steven Marwaha, Belinda R Lennox, Matthew R Broome, Paul Bebbington
Modern psychiatric epidemiology researches complex interactions between multiple variables in large datasets. This creates difficulties for causal inference. We argue for the use of probabilistic models represented by directed acyclic graphs (DAGs). These capture the dependence structure of multiple variables and, used appropriately, allow more robust conclusions about the direction of causation. We analyzed British national survey data to assess putative mediators of the association between bullying victimization and persecutory ideation...
May 17, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28498976/low-back-pain-among-taxi-drivers-a-cross-sectional-study
#20
M Wang, J Yu, N Liu, Z Liu, X Wei, F Yan, S Yu
Background: Low back pain (LBP) is a common occupational problem for drivers all over the world. However, few epidemiological studies have investigated LBP among taxi drivers. Aims: To investigate the prevalence of LBP and associated work-related factors among Chinese taxi drivers. Methods: A cross-sectional survey was administered to all participants. Using cluster sampling, questionnaires were collected from taxi drivers of three major taxi companies in Jinan, China...
June 1, 2017: Occupational Medicine
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