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Sleep epidemiology

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https://www.readbyqxmd.com/read/28535270/intrinsically-photosensitive-retinal-ganglion-cell-function-sleep-efficiency-and-depression-in-advanced-age-related-macular-degeneration
#1
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
#2
Najib T Ayas, Luciano F Drager, Mary J Morrell, Vsevolod Y Polotsky
The field of sleep disordered breathing has continued to evolve with many important articles published in the last year. In this review, we have summarized some of the key articles relevant to sleep disordered breathing that have been published in the Journal and selected articles published elsewhere in the last year; these have included landmark randomized trials concerning sleep apnea treatment in the prevention of adverse cardiac outcomes, basic science and animal studies, genetic studies, and analyses of epidemiologic cohorts...
May 21, 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
#3
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
#4
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
#5
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...
May 11, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/28486177/depressive-symptom-profiles-cardio-metabolic-risk-and-inflammation-results-from-the-midus-study
#6
Diana A Chirinos, Kyle W Murdock, Angie S LeRoy, Christopher Fagundes
BACKGROUND: This study aimed to (1) provide a comprehensive characterization of depressive symptoms profiles, and (2) examine the cross-sectional association between depressive symptom profiles and cardio-metabolic outcomes, including metabolic syndrome and obesity, while controlling for sociodemographic variables, health behaviors and inflammation. METHODS: Our sample was comprised of 1085 participants (55.80% female) enrolled in the MIDUS-II biomarker study. Latent profile analysis (LPA) was used to derive depressive symptom profiles using subscales of the Mood and Anxiety Symptom Questionnaire (MASQ) and the Center for Epidemiologic Studies Depression Scale (CES-D) subscales as well as Pittsburgh Sleep Quality Index (PSQI) global score...
April 29, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28470969/behavioral-characteristics-and-cardiovascular-disease-risks-associated-with-insomnia-and-sleep-quality-among-middle-aged-women-in-south-korea
#7
Ok Kyung Ham, Jinyoung Kim, Bo Gyeong Lee, Eunju Choi
Insomnia is the most common sleep problem in women. Increasing evidence suggests an association between insomnia and cardiovascular disease (CVD). However, information is limited on lifestyle and socio-environmental factors associated with sleep problems in women. In this study directed by Social Cognitive Theory, we examined the personal, behavioral, socio-environmental, and CVD risk factors associated with sleep characteristics (insomnia and sleep quality) in middle-aged women using a cross-sectional design...
June 2017: Research in Nursing & Health
https://www.readbyqxmd.com/read/28469718/prevalence-and-risk-factors-of-obstructive-sleep-apnea-syndrome-in-a-saudi-arabian-population
#8
Siraj Omar Wali, Bahaa Abalkhail, Ayman Krayem
BACKGROUND: Obstructive sleep apnea (OSA) is a common disorder worldwide; however, epidemiological studies on its prevalence lack in Saudi Arabia. This study aimed to determine the prevalence and risk factors of OSA in Saudi Arabia. METHODS: The study was performed from 2013 to 2015 in two stages. The screening stage was first; a random sample of Saudi employees (n = 2682) 30-60 years of age completed a survey that included the Wisconsin questionnaire. According to these data, the subjects were categorized as habitual, moderate, or nonsnorers (NSs)...
April 2017: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/28459884/poor-sleep-quality-and-later-sleep-timing-are-risk-factors-for-osteopenia-and-sarcopenia-in-middle-aged-men-and-women-the-neo-study
#9
Eliane A Lucassen, Renée de Mutsert, Saskia le Cessie, Natasha M Appelman-Dijkstra, Frits R Rosendaal, Diana van Heemst, Martin den Heijer, Nienke R Biermasz
CONTEXT: Sleep deprivation has detrimental metabolic consequences. Osteopenia and sarcopenia usually occur together and increase risk of fractures and disease. Results from studies linking sleep parameters to osteopenia or sarcopenia are scarce and inconsistent. OBJECTIVE: To examine the associations of sleep parameters with osteopenia and sarcopenia, considering the influence of sex and menopause. DESIGN, SETTING AND PARTICIPANTS: Cross-sectional analysis of 915 participants (45-65 years, 56% women, BMI 26 (range: 18-56) kg/m2) in the Netherlands Epidemiology of Obesity (NEO) study, a population-based cohort study...
2017: PloS One
https://www.readbyqxmd.com/read/28450367/atrial-fibrillation-epidemiology-pathophysiology-and-clinical-outcomes
#10
REVIEW
Laila Staerk, Jason A Sherer, Darae Ko, Emelia J Benjamin, Robert H Helm
The past 3 decades have been characterized by an exponential growth in knowledge and advances in the clinical treatment of atrial fibrillation (AF). It is now known that AF genesis requires a vulnerable atrial substrate and that the formation and composition of this substrate may vary depending on comorbid conditions, genetics, sex, and other factors. Population-based studies have identified numerous factors that modify the atrial substrate and increase AF susceptibility. To date, genetic studies have reported 17 independent signals for AF at 14 genomic regions...
April 28, 2017: Circulation Research
https://www.readbyqxmd.com/read/28449893/higher-sleep-reactivity-and-insomnia-mutually-aggravate-depressive-symptoms-a-cross-sectional-epidemiological-study-in-japan
#11
Shun Nakajima, Yoko Komada, Taeko Sasai-Sakuma, Isa Okajima, Yutaka Harada, Kazue Watanabe, Yuichi Inoue
OBJECTIVE: Sleep reactivity assessed using the Ford Insomnia Response to Stress Test (FIRST) is associated with depression. This study clarified stress reactivity and insomnia effects on depressive symptoms. METHODS: A cross-sectional questionnaire survey was administered to 2645 participating government employees (35.4% female, mean age 42.8 years) during health checks conducted at Tottori prefecture, Japan, in June 2012. Questionnaire items included: demographic information; the FIRST; the Pittsburgh Sleep Quality Index (PSQI); and a 12-item version of the Center for Epidemiological Studies Depression scale (CES-D)...
May 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28442310/copd-osa-overlap-syndrome-evolving-evidence-regarding-epidemiology-clinical-consequences-and-management
#12
REVIEW
Walter T McNicholas
Chronic obstructive pulmonary disease (COPD) and obstructive sleep apnea syndrome (OSA) are both highly prevalent, which implies that both disorders occurring together (overlap syndrome) is likely to be common based on chance association alone. However, different clinical COPD phenotypes influence the likelihood of co-existing OSA in that the increased lung volumes and low body mass index (BMI) associated with the predominant emphysema phenotype protects against OSA, whereas the higher likelihood of peripheral edema and increased BMI associated with the predominant chronic bronchitis phenotype promotes OSA...
April 22, 2017: Chest
https://www.readbyqxmd.com/read/28433811/rapid-and-sensitive-detection-of-salmonid-alphavirus-using-taqman-real-time-pcr
#13
Wen Shi, Aochen Song, Shuai Gao, Yuting Wang, Lijie Tang, Yigang Xu, Tong Ren, Yijing Li, Min Liu
Salmonid alphavirus (SAV) infection has led to the spread of salmon pancreas disease (PD) and sleeping disease (SD) to salmonids in several countries in Europe, resulting in tremendous economic losses to the fish farming industry. Recently, with increases in the fish import trade, many countries in which SAV has been unreported, such as China, may be seriously threatened by these diseases. It is therefore necessary to develop efficient detection methods for the prevention and diagnosis of SAV infection. In this study, a rapid and sensitive TaqMan real-time PCR method was established and assessed for this purpose...
April 19, 2017: Molecular and Cellular Probes
https://www.readbyqxmd.com/read/28429924/dietary-choice-and-health-behaviors-in-eastern-chinese-women-a-descriptive-population-based-survey-and-review-of-public-health-data
#14
Feng Wang, Fei Wang, Lixiang Yu, Zhigang Yu
BACKGROUND AND OBJECTIVES: Urbanization in China has increased the prevalence of high-fat and low-fiber diets, and of adverse health behaviors associated with an increased risk of diet-related, non-communicable diseases (DR-NCDs) in eastern Chinese women. This study aimed to characterize the dietary intake and health behaviors in eastern Chinese women. METHODS AND STUDY DESIGN: Retrospective data of 122,058 women aged 25 to 70 who completed a multi-staged, stratified, cluster sampling epidemiological survey in eastern China in 2008, including self-report of diet and lifestyle information (sleep, physical activity, work, etc...
May 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28417334/sleep-quality-duration-and-breast-cancer-aggressiveness
#15
Allison Soucise, Caila Vaughn, Cheryl L Thompson, Amy E Millen, Jo L Freudenheim, Jean Wactawski-Wende, Amanda I Phipps, Lauren Hale, Lihong Qi, Heather M Ochs-Balcom
PURPOSE: Epidemiological studies suggest that short sleep duration and poor sleep quality may increase breast cancer risk. However, whether sleep is associated with breast tumor aggressiveness characteristics has largely been unexplored. METHODS: The study included 4171 non-Hispanic whites (NHW) and 235 African Americans (AA) diagnosed with incident, primary, invasive breast cancer in the Women's Health Initiative (WHI) Observational Study (1994-2013). We used logistic regression to examine the association of baseline sleep (sleep duration, sleep quality, WHI Insomnia Rating Scale) with tumor grade, stage, hormone receptor status, HER2 status...
April 17, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28409750/clinical-characteristics-of-parkinson-s-disease-developed-from-essential-tremor
#16
Dong-Woo Ryu, Si-Hoon Lee, Yoon-Sang Oh, Jae-Young An, Jeong-Wook Park, In-Uk Song, Kwang-Soo Lee, Joong-Seok Kim
BACKGROUND: Recent genetic and epidemiological studies have shown that there is a link between essential tremor and Parkinson's disease (PD). However, there is a lack of data about the clinical features of PD developed from essential tremor. OBJECTIVE: To explore and describe the clinical characteristics of Parkinson's disease developed from essential tremor (ET-PD). METHODS: Twenty-five ET-PD patients and 124 IPD controls were enrolled according to each criterion...
April 13, 2017: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/28404493/relationships-between-depression-pain-and-sleep-quality-with-doctor-visits-among-community-based-adults-in-north-west-china
#17
J Guo, C Liu, X Wang, Z Qu, W Zhang, X Zhang
OBJECTIVES: Previous studies have suggested that the high rates of unmet need for mental health services in China among depressed people are related to a cultural tendency to deny mental and emotional symptoms and instead express them somatically. Such somatization may lead a sufferer to a consultation with a healthcare professional but rarely leads to appropriate mental health treatment. This study aimed to elucidate the relationships of depression, sleep quality and perceived physical pain with doctor visits among community-based adults in China, and thus to help guide the development of clinical practices aimed at reducing unmet mental health service need...
March 7, 2017: Public Health
https://www.readbyqxmd.com/read/28394943/sleep-continuity-is-positively-correlated-with-sleep-duration-in-laboratory-nighttime-sleep-recordings
#18
Akifumi Kishi, Hans P A Van Dongen, Benjamin H Natelson, Amy M Bender, Luciana O Palombini, Lia Bittencourt, Sergio Tufik, Indu Ayappa, David M Rapoport
Sleep duration varies widely across individuals and appears to be trait-like. Differences in the stability of underlying sleep processes may underlie this phenomenon. To investigate underlying mechanisms, we examined the relationship between sleep duration and sleep continuity in baseline polysomnography (PSG) recordings from three independently collected datasets: 1) 134 healthy controls (ages 37 ± 13 years) from the São Paulo Epidemiologic Sleep Study, who spent one night in a sleep laboratory, 2) 21 obstructive sleep apnea (OSA) patients who were treated with continuous positive airway pressure for at least 2 months (45 ± 12 years, respiratory disturbance index <15), who spent one night in a sleep laboratory with previous experience of multiple PSG studies, and 3) 62 healthy controls (28 ± 6 years) who, as part of larger experiments, spent 2 consecutive nights in a sleep laboratory...
2017: PloS One
https://www.readbyqxmd.com/read/28391486/etiology-pathophysiology-and-biomarkers-of-interstitial-cystitis-painful-bladder-syndrome
#19
REVIEW
Sourav Sanchit Patnaik, Antonio Simone Laganà, Salvatore Giovanni Vitale, Salvatore Butticè, Marco Noventa, Salvatore Gizzo, Gaetano Valenti, Agnese Maria Chiara Rapisarda, Valentina Lucia La Rosa, Carlo Magno, Onofrio Triolo, Vani Dandolu
PURPOSE: Interstitial cystitis/painful bladder syndrome (IC/PBS) is a chronic pain syndrome and a chronic inflammatory condition prevalent in women that leads to urgency, sleep disruption, nocturia and pain in the pelvic area, to the detriment of the sufferer's quality of life. The aim of this review is to highlight the newest diagnostic strategies and potential therapeutic techniques. METHODS: A comprehensive literature review was performed on MEDLINE, PubMed, and Cochrane databases gathering all literature about "Interstitial cystitis" and "Painful Bladder Syndrome"...
April 8, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28390440/prevalence-of-and-risk-factors-for-minor-and-major-depression-among-community-dwelling-older-adults-in-taiwan
#20
Chi-Shin Wu, Shu-Han Yu, Chun-Yi Lee, Han-Yun Tseng, Yen-Feng Chiu, Chao Agnes Hsiung
BACKGROUND: This study was conducted to estimate prevalence rates and risk factors for late-life depression in a large nationwide representative sample from Taiwan. METHODS: A total of 5,664, randomly sampled individuals aged ≥55 years were enrolled. Clinically, relevant depressive symptoms were classified using the Center for Epidemiological Studies Depression Scale (CES-D score ≥16), and major depression was confirmed using the Primary Care Evaluation of Mental Disorders...
April 9, 2017: International Psychogeriatrics
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