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Sleep epidemiology

Maria Gogou, Katerina Haidopoulou, Maria Eboriadou, Evangelos Pavlou
Background The aim of this study is to investigate through polysomnography sleep quality in children with rolandic epilepsy and compare sleep variables between these children and healthy controls. Methods Our study population included 15 children with rolandic epilepsy and 27 healthy children who underwent overnight polysomnography. Parameters about sleep architecture and sleep respiratory events were recorded and analyzed. The level of statistical significance was set at 0.05. Results Patients and controls did not differ in basic epidemiological traits...
October 25, 2016: Neuropediatrics
Rachel U Lee, Jennifer M Radin
An increase in narcolepsy incidence was noted after the novel pandemic influenza of 2009, leading to further interest in risk factors associated with this disease. However, there is limited data on the epidemiology of narcolepsy, particularly in the adult population. Therefore, we sought to examine narcolepsy incidence rates in the United States and describe associated characteristics. We performed a population based epidemiologic study of active duty military personnel. All outpatient clinics in the continental United States providing care for active duty military between 2004 through 2013 were included utilizing existing databases...
November 15, 2016: Journal of the Neurological Sciences
Ruth C Travis, Angela Balkwill, Georgina K Fensom, Paul N Appleby, Gillian K Reeves, Xiao-Si Wang, Andrew W Roddam, Toral Gathani, Richard Peto, Jane Green, Timothy J Key, Valerie Beral
BACKGROUND: It has been proposed that night shift work could increase breast cancer incidence. A 2007 World Health Organization review concluded, mainly from animal evidence, that shift work involving circadian disruption is probably carcinogenic to humans. We therefore aimed to generate prospective epidemiological evidence on night shift work and breast cancer incidence. METHODS: Overall, 522 246 Million Women Study, 22 559 EPIC-Oxford, and 251 045 UK Biobank participants answered questions on shift work and were followed for incident cancer...
December 2016: Journal of the National Cancer Institute
Brice Faraut, Thomas Andrillon, Marie-Françoise Vecchierini, Damien Leger
Sleep specialists have proposed measures to counteract the negative short- and long-term consequences of sleep debt, and some have suggested the nap as a potential and powerful "public health tool". Here, we address this countermeasure aspect of napping viewed as an action against sleep deprivation rather than an action associated with poor health. We review the physiological functions that have been associated positively with napping in both public health and clinical settings (sleep-related accidents, work and school, and cardiovascular risk) and in laboratory-based studies with potential public health issues (cognitive performance, stress, immune function and pain sensitivity)...
September 13, 2016: Sleep Medicine Reviews
Xiaowen Xu, Liang Wang, Yan Zhang, Tianjiao Su, Liying Chen, Yan Zhang, Weifeng Ma, Yuanyuan Xie, Tiantian Wang, Fan Yang, Li He, Wenjiao Wang, Xuemei Fu, Hongxia Hao, Yuanzheng Ma
Epidemiological studies have shown that chronic sleep disturbances resulted in metabolic disorders. The purpose of this study was to assess the relationship between chronic sleep deprivation (CSD) and the glucose homeostasis in rats. Twenty-four rats were randomly divided into CSD group and control (CON) group. The CSD rats were intervened by a modified multiple platform method (MMPM) to establish an animal model of chronic sleep disturbances. After 3-month intervention, all rats were subjected to an intraperitoneal glucose tolerance test (IPGTT) and an insulin tolerance test (ITT), and the body weight, aspartate aminotransferase (AST), alanine aminotransferase (ALT), creatinine, lipid profile group, and homeostasis model assessment-IR (HOMA-IR) were measured...
2016: Sleep and Biological Rhythms
Lianne M Tomfohr-Madsen, Tavis S Campbell, Gerald F Giesbrecht, Nicole L Letourneau, Linda E Carlson, Joshua W Madsen, Sona Dimidjian
BACKGROUND: Clinically significant psychological distress in pregnancy is common, with epidemiological research suggesting that between 15 and 25 % of pregnant women experience elevated symptoms of stress, anxiety, and depression. Untreated psychological distress in pregnancy is associated with poor obstetrical outcomes, changes in maternal physiology, elevated incidence of child physical and psychological disorders, and is predictive of maternal postpartum mood disorders. Despite the wide-ranging impact of antenatal psychological distress on mothers and their children, there is a gap in our knowledge about the most effective treatments that are available for psychological distress experienced in pregnancy...
October 13, 2016: Trials
Barbra A Dickerman, Sarah C Markt, Markku Koskenvuo, Christer Hublin, Eero Pukkala, Lorelei A Mucci, Jaakko Kaprio
PURPOSE: Sleep disruption and shift work have been associated with cancer risk, but epidemiologic evidence for prostate cancer remains limited. We aimed to prospectively investigate the association between midlife sleep- and circadian-related parameters and later prostate cancer risk and mortality in a population-based cohort of Finnish twins. METHODS: Data were drawn from the Older Finnish Twin Cohort and included 11,370 twins followed from 1981 to 2012. Over the study period, 602 incident cases of prostate cancer and 110 deaths from prostate cancer occurred...
October 12, 2016: Cancer Causes & Control: CCC
Yan J Bao, Wei Hou, Xiang Y Kong, Liping Yang, Jun Xia, Bao J Hua, Roger Knaggs
BACKGROUND: Cancer pain is an important and distressing symptom that tends to increase in frequency and intensity as the cancer advances. For people with advanced cancer, the prevalence of pain can be as high as 90%. It has been estimated that 30% to 50% of people with cancer categorise their pain as moderate to severe, with between 75% and 90% of people with cancer experiencing pain that they describe as having a major impact on their daily life. Epidemiological studies suggest that approximately 15% of people with cancer pain fail to experience acceptable pain relief with conventional management...
October 11, 2016: Cochrane Database of Systematic Reviews
Andrea Lee, Rebecca M Gilbert
Parkinson disease (PD) is a common progressive neurodegenerative condition, causing both motor and non motor symptoms. Motor symptoms include stiffness, slowness, rest tremor and poor postural reflexes, whereas nonmotor symptoms include abnormalities of mood, cognition, sleep and autonomic function. Affected patients show cell loss in the substantia nigra pars compacta, and accumulation of aggregated alpha-synuclein into intracellular structures called Lewy bodies, within specific brain regions. The main known non modifiable risk factor is age...
November 2016: Neurologic Clinics
K Maasalo, T Fontell, J Wessman, E T Aronen
BACKGROUND: Few studies have examined the associations between sleep, mood and behaviour in young children in the early stages of developing psychopathology. The purpose here was to examine the association of emotional problems, especially mood, with family and child characteristics, sleep and behavioural problems in 4-12 year-old children. METHODS: The sample was population-based and included 1714 children. Parents filled in the Strengths and Difficulties Questionnaire and a background questionnaire on child and family characteristics...
2016: Child and Adolescent Psychiatry and Mental Health
Harriet Auty, Sarah Cleaveland, Imna Malele, Joseph Masoy, Tiziana Lembo, Paul Bessell, Stephen Torr, Kim Picozzi, Susan C Welburn
BACKGROUND: Identifying hosts of blood-feeding insect vectors is crucial in understanding their role in disease transmission. Rhodesian human African trypanosomiasis (rHAT), also known as acute sleeping sickness is caused by Trypanosoma brucei rhodesiense and transmitted by tsetse flies. The disease is commonly associated with wilderness areas of east and southern Africa. Such areas hold a diverse range of species which form communities of hosts for disease maintenance. The relative importance of different wildlife hosts remains unclear...
2016: PloS One
Kui Peng, Lin Lin, Zhengyi Wang, Lin Ding, Ya Huang, Po Wang, Yu Xu, Jieli Lu, Min Xu, Yufang Bi, Weiqing Wang, Yuhong Chen, Guang Ning
BACKGROUND: Epidemiologic studies have reported conflicting results on the relationship between short sleep duration and nonalcoholic fatty liver disease (NAFLD). Previous research investigating the impact of daytime nap on NAFLD was not available. Herein, we examined the associations between nightly sleep duration, daytime nap with NAFLD in a middle-aged and elderly Chinese population. METHODS: This cross-sectional community-based population study included 8559 individuals aged 40 years or older...
October 4, 2016: Journal of Diabetes
Roxanne E Jensen, Carol M Moinpour, Arnold L Potosky, Tania Lobo, Elizabeth A Hahn, Ron D Hays, David Cella, Ashley Wilder Smith, Xiao-Cheng Wu, Theresa H M Keegan, Lisa E Paddock, Antoinette M Stroup, David T Eton
BACKGROUND: The Patient-Reported Outcomes Measurement Information System (PROMIS) was a National Institutes of Health-funded initiative to develop measures of symptoms and function. Responsiveness is the degree to which a measure can detect underlying changes over time. The objective of the current study was to document the responsiveness of 8 PROMIS measures in a large, population-based cancer cohort. METHODS: The Measuring Your Health study recruited 2968 patients who were diagnosed with 1 of 7 cancers between 2010 and 2012 through 4 Surveillance, Epidemiology, and End Results registries...
October 3, 2016: Cancer
Mark A Louter, Leopoldine A Wilbrink, Joost Haan, Erik W van Zwet, Willebrordus P J van Oosterhout, Frans G Zitman, Michel D Ferrari, Gisela M Terwindt
OBJECTIVE: As cluster headache (CH) is often referred to as "suicide headache," we wanted to assess the prevalence of depression in CH patients, and to investigate determinants of depression such as sleep disturbances. METHODS: In a cross-sectional, web-based, validated questionnaire study among 462 well-defined CH patients and 177 controls, we diagnosed CH according to the ICHD-III. We assessed depression using the Hospital Anxiety and Depression Scale (HADS-D) and the Center for Epidemiologic Studies Depression scale (CES-D) with supplementary questions to assess lifetime depression...
September 30, 2016: Neurology
Anna M May, David R Van Wagoner, Reena Mehra
A surge of data has reproducibly identified strong associations of obstructive sleep apnea (OSA) with cardiac arrhythmias. As an extension of epidemiologic and clinic-based findings, experimental investigations have made strides in advancing our understanding of the putative OSA and cardiac arrhythmogenesis mechanistic underpinnings. While most studies have focused on the links between OSA and atrial fibrillation (AF), relationships with ventricular arrhythmias have also been characterized. Key findings implicate OSA-related autonomic nervous system fluctuations typified by enhanced parasympathetic activation during and sympathetic surges subsequent to respiratory events which contribute to augmented arrhythmic propensity...
September 29, 2016: Chest
Jennifer S Scherer, Sara A Combs, Frank Brennan
Maintenance dialysis patients experience a high burden of physical and emotional symptoms that directly affect their quality of life and health care utilization. In this review, we specifically highlight common troublesome symptoms affecting dialysis patients: insomnia, restless legs syndrome, and uremic pruritus. Epidemiology, pathophysiology, and evidence-based current treatment are reviewed with the goal of providing a guide for diagnosis and treatment. Finally, we identify multiple additional areas of further study needed to improve symptom management in dialysis patients...
September 29, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
Caroline Bengtsson, Eva Lindberg, Lars Jonsson, Mats Holmström, Fredrik Sundbom, Jan Hedner, Andrei Malinovschi, Roelinde Middelveld, Bertil Forsberg, Christer Janson
STUDY OBJECTIVES: To analyse the prevalence of sleep problems in subjects with CRS and to determine whether the disease severity of CRS affects sleep quality. METHODS: Questionnaires were sent to a random sample of 45 000 adults in four Swedish cities. Questions on CRS, asthma, allergic rhinitis, co-morbidities, tobacco use, educational level and physical activity were included. CRS was defined according to the European Position Paper on Rhinosinusitis and Nasal Polyps (EPOS) epidemiological criteria...
September 26, 2016: Sleep
Jinkwan Kim, Seok Jun Lee, Kyung-Mee Choi, Seung Ku Lee, Dae Wui Yoon, Seung Gwan Lee, Chol Shin
Obstructive sleep apnea syndrome (OSA) has been recognized as a common health problem, and increasing obesity rates have led to further remarkable increases in the prevalence of OSA, along with more prominent cardiovascular morbidities. Though previous studies have reported an independent relationship between elevated high sensitivity C-reactive protein (hsCRP) levels and OSA, the issue remains controversial owing to inadequate consideration of obesity and various confounding factors. So far, few population based studies of association between OSA and hsCRP levels have been published...
2016: PloS One
Sana Salah, Mariem Rekik, Soumaya Boudokhane, Houda Migaou, Anis Jellad, Zohra Ben Salah Frih
OBJECTIVE: To assess the prevalence of sleep disorders (SD) in ischemic stroke (IS) patients followed in physical medicine and rehabilitation (PMR) and to compare this prevalence to that found in a control population. MATERIAL/PATIENTS AND METHODS: A cross-sectional study was conducted over a period of 8 months. We enrolled IS patients and case controls matched for age and sex and who met the inclusion criteria. The data studied were epidemiological and clinical...
September 2016: Annals of Physical and Rehabilitation Medicine
Wojciech Kuczyński, Agata Gabryelska, Łukasz Mokros, Piotr Białasiewicz
The prevalence of obstructive sleep apnea-hypopnea syndrome (OSAHS) ranges from 4 to 7% in men and from 2 to 5% in women. Its deleterious consequences such as traffic accidents, cardiovascular complications increasing morbidity and mortality, make it a major health problem. Apart from obesity (a major risk factor for OSAHS), hypothyroid patients are prone to reveal this phenotype. Although hypothyroidism seems an acknowledged risk factor for OSAHS, some authors report the lack of clinically relevant association...
2016: Pneumonologia i Alergologia Polska
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