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Sleep epidemiology

Cheryl Holly, Sallie Porter, Mercedes Echevarria, Margaret Dreker, Sevara Ruzehaji
The findings can facilitate earlier recognition and prevention of pediatric delirium. ABSTRACT: Purpose: The purpose of this study was to examine the evidence regarding the risk factors for and characteristics of acute pediatric delirium in hospitalized children. METHODS: The systematic review method within an epidemiological framework of person, place, and time was used. Fifty-two studies were selected for initial retrieval. Of these, after assessment for methodological quality, 21 studies involving 2,616 subjects were included in the review...
March 14, 2018: American Journal of Nursing
Neal Goldberg, Yahdira Rodriguez-Prado, Rebecca Tillery, Caroline Chua
Sudden infant death syndrome (SIDS) is the sudden unexpected death of an apparently healthy infant younger than age 12 months whose cause of death remains unknown despite a thorough death scene investigation, a review of the clinical history, and an autopsy. Despite the huge achievement of the Back to Sleep program, SIDS remains one of the leading causes of infant death in the United States. In recent years, the SIDS rate has remained stationary despite major public health efforts aimed at high-risk groups to improve sleep environment and strategies...
March 1, 2018: Pediatric Annals
Yi-Qi Lin, Sheng-Di Chen
Increasing evidence indicates a strong association between rapid eye movement sleep behavior disorder (RBD) and Parkinson's disease - cognitive impairment (PD-CI). Numerous longitudinal and cross-sectional studies have shown that RBD may be an important risk factor and predictor of Parkinson's disease - mild cognitive impairment (PD-MCI) and Parkinson's disease dementia (PDD); which may be explained by the association of mechanisms between RBD and PD-CI, including neurotransmitter alterations, genetic mutation, neuroinflammation, alpha-synuclein inclusion, abnormal cerebral metabolism and cortical activity slowing...
April 2018: Sleep Medicine
Ryuji Furihata, Chisato Konno, Masahiro Suzuki, Sakae Takahashi, Yoshitaka Kaneita, Takashi Ohida, Makoto Uchiyama
OBJECTIVE: To investigate the relationship between unhealthy lifestyles factors and depressive symptoms among the general adult population in Japan. METHOD: Participants were randomly selected from the Japanese general adult population. Data from 2334 people aged 20 years or older were analyzed. This cross-sectional survey was conducted in August and September 2009. Participants completed a face-to-face interview about unhealthy lifestyle factors, including lack of exercise, skipping breakfast, a poorly balanced diet, snacking between meals, insufficient sleep, current smoking, alcohol drinking, and obesity...
March 3, 2018: Journal of Affective Disorders
Haruo Hanyu
There is a wide range of potentially modifiable risk factors for Alzheimer's disease and dementia, including cardiovascular risk factors (e.g. hypertension, diabetes, dyslipidemia, obesity, sleep-apnea syndrome), psychosocial factors (e.g., depression), health behaviors (e.g., low level of physical or mental activity, smoking status), and head trauma. In the elderly, weight loss associated with frailty and sarcopenia is another risk factor for dementia. Recent epidemiological studies have shown that the prevalence of dementia has declined in the US and European countries during the last 20 years...
March 2018: Brain and Nerve, Shinkei Kenkyū No Shinpo
Alexander Malafeev, Ximena Omlin, Aleksandra Wierzbicka, Adam Wichniak, Wojciech Jernajczyk, Robert Riener, Peter Achermann
Quantitative electroencephalogram analysis (e.g. spectral analysis) has become an important tool in sleep research and sleep medicine. However, reliable results are only obtained if artefacts are removed or excluded. Artefact detection is often performed manually during sleep stage scoring, which is time consuming and prevents application to large datasets. We aimed to test the performance of mostly simple algorithms of artefact detection in polysomnographic recordings, derive optimal parameters and test their generalization capacity...
March 8, 2018: Journal of Sleep Research
Sirimon Reutrakul, Eve Van Cauter
A large body of epidemiologic evidence has linked insufficient sleep duration and quality to the risk of obesity, insulin resistance and type 2 diabetes. To address putative causal mechanisms, this review focuses on laboratory interventions involving several nights of experimental sleep restriction, fragmentation or extension and examining metabolically relevant outcomes. Sleep restriction has been consistently shown to increase hunger, appetite and food intake, with the increase in caloric intake in excess of the energy requirements of extended wakefulness...
March 3, 2018: Metabolism: Clinical and Experimental
Tom C Zwart, Marcel G Smits, Toine C G Egberts, Carin M A Rademaker, Ingeborg M van Geijlswijk
The extent of continuance of melatonin therapy initiated in pre-pubertal children with chronic sleep onset insomnia (CSOI) was investigated in young adult life. Sleep timing, sleep quality, adverse events, reasons for cessation of therapy, and patient characteristics with regard to therapy regimen, chronotype and lifestyle factors possibly influencing sleeping behavior were assessed. With an online survey using questionnaires (Pittsburgh Sleep Quality Index, Insomnia Severity Index, Morningness-Eveningness Questionnaire, and Munich Chronotype Questionnaire), outcomes were measured and compared with age-related controls...
March 2, 2018: Healthcare (Basel, Switzerland)
Jun-Sang Sunwoo, Young Hwangbo, Won-Joo Kim, Min Kyung Chu, Chang-Ho Yun, Kwang Ik Yang
OBJECTIVE: To determine the prevalence, sleep characteristics, and comorbidities associated with a high risk for obstructive sleep apnea (OSA) in the Korean adult population. METHODS: We analyzed data from 2,740 subjects who responded to a nationwide questionnaire survey of sleep characteristics. Those who qualified under two or more symptom categories of the Berlin questionnaire were defined as "at high risk for OSA". We investigated their socio-demographic information, sleep habits, and medical and psychiatric comorbidities...
2018: PloS One
Abhishek Goyal, Abhijit P Pakhare, Girish C Bhatt, Bharat Choudhary, Rajesh Patil
Background: Pediatric obstructive sleep apnea (OSA) is a highly prevalent but often neglected disorder. There is paucity of reports on the prevalence of pediatric OSA from India. This study was done to estimate the prevalence of OSA in school children aged 5-10 years and its association with academic performance. Methodology: This school-based cross-sectional epidemiological study was conducted from July 2015 to November 2015. A questionnaire seeking information on sociodemographic variables, school performance, sleeping pattern, and a validated 22-item pediatrics sleep-related breathing disorder (SRBD) scale was distributed to 1820 pupils in three primary schools...
March 2018: Lung India: Official Organ of Indian Chest Society
Harris Héritier, Danielle Vienneau, Maria Foraster, Ikenna C Eze, Emmanuel Schaffner, Laurie Thiesse, Franziska Ruzdik, Manuel Habermacher, Micha Köpfli, Reto Pieren, Arno Schmidt-Trucksäss, Mark Brink, Christian Cajochen, Jean Marc Wunderli, Nicole Probst-Hensch, Martin Röösli
BACKGROUND: Most epidemiological noise studies consider 24 h average noise exposure levels. Our aim was to exploratively analyze the impact of noise exposure at different time windows during day and night on cardiovascular mortality. METHODS: We generated Switzerland-wide exposure models for road traffic, railway and aircraft noise for different time windows for the year 2001. Combined noise source equivalent continuous sound levels (Leq ) for different time windows at the most exposed façade were assigned to each of the 4...
February 17, 2018: International Journal of Hygiene and Environmental Health
Lihi Bar-Lev Schleider, Raphael Mechoulam, Violeta Lederman, Mario Hilou, Ori Lencovsky, Oded Betzalel, Liat Shbiro, Victor Novack
BACKGROUND: Cancer is a major public health problem as the leading cause of death. Palliative treatment aimed to alleviate pain and nausea in patients with advanced disease is a cornerstone of oncology. In 2007, the Israeli Ministry of Health began providing approvals for medical cannabis for the palliation of cancer symptoms. The aim of this study is to characterize the epidemiology of cancer patients receiving medical cannabis treatment and describe the safety and efficacy of this therapy...
March 2018: European Journal of Internal Medicine
Rehana Rehman, Amara Zafar, Aleena Mohib, Mehwish Hussain, Rabiya Ali
OBJECTIVE: To find an association between self-reported academic performance with different socio-demographic factors, health behaviours and mental health amongst university students. METHODS: This cross-sectional study was conducted at Bahria University, Karachi, from January 2012 to December 2013, and comprised university students of different disciplines. An anonymous, self-reported questionnaire was distributed among the subjects. Convenient sampling technique was used...
February 2018: JPMA. the Journal of the Pakistan Medical Association
Candice Wolf, Seth Wolf, Miriam Weiss, Gustavo Nino
The quantity, accessibility and focus on child-targeted programming has exponentially increased since it entered American households in the early 1900s. It may have started with the television (TV), but technology has evolved and now fits in our pockets; as of 2017, 95% of American families own a smartphone. Availability and child-tailored content has subsequently led to a decrease in the age at initial screen exposure. The negative effects that accompany the current culture of early screen exposure are extensive and need to be considered as technology continues to enter the home and inundate social interactions...
February 23, 2018: Children
Rodolfo Savica, Boeve F Bradley, Michelle M Mielke
Importance: This article reviews the epidemiological evidence of features of α-synucleinopathies that precede clinical onset of disease, proposes a clinical timeline, and attempts to define the different premotor and clinical phenotypes associated with α-synucleinopathies. Observations: The pathological hallmarks of the α-synucleinopathies (Parkinson disease, Parkinson disease dementia, dementia with Lewy bodies, and multisystem atrophy) begin years before a clinical diagnosis...
February 19, 2018: JAMA Neurology
Han Hyuk Lim
BACKGROUND: Epidemiologic studies have found an association between sleep duration and obesity. However, the relationship between sleep duration and metabolic body size phenotype in children and adolescents remains unknown. METHODS: In this cross-sectional study, 3650 participants (1946 boys and 1704 girls) from the Korean National Health and Nutrition Examination Survey 2007-2012 were classified into four phenotypes according to body mass index and metabolic heath status based on the definition of metabolic syndrome by NCEP-ATP III or the International Diabetes Federation...
February 2018: Sleep Medicine
Evangelia Simou, John Britton, Jo Leonardi-Bee
OBJECTIVE: A systematic review and meta-analysis of the association between alcohol consumption and risk of sleep apnoea in adults. METHODS: We searched Medline, EMBASE and Web of Science databases from 1985 to 2015 for comparative epidemiological studies assessing the relation between alcohol consumption and sleep apnoea. Two authors independently screened and extracted data. Random effects meta-analysis was used to estimate pooled effect sizes with 95% confidence intervals (CI)...
February 2018: Sleep Medicine
Joel L Bass, Tina Gartley, David A Lyczkowski, Ronald Kleinman
OBJECTIVE: To evaluate the epidemiology of sudden unexpected infant death (SUID) over a 20-year period in the US, to assess the potential frequency of sudden unexpected postnatal collapse in the early days of life, and to determine if SUID rates in the neonatal period (0-27 days) have changed in parallel with rates in the postneonatal periods, including the percentages attributed to codes that include accidental suffocation. STUDY DESIGN: Data from the US Centers for Disease Control and Prevention Linked Birth/Infant Death Records for 1995-2014 were analyzed for the first hour, day, week, and month of life...
February 5, 2018: Journal of Pediatrics
Tianyi Huang, Brian M Lin, Sarah C Markt, Meir J Stampfer, Francine Laden, Frank B Hu, Shelley S Tworoger, Susan Redline
Despite well-known male predominance in the prevalence of obstructive sleep apnoea (OSA), sex differences in the associations between OSA and a comprehensive range of epidemiologic factors remain less clear.We examined the prevalence of self-reported OSA in 143 326 women (age: 48-93) from the Nurses' Health Study (NHS) and NHSII and 22 896 men from the Health Professionals Follow-up Study (age: 65-101) in 2012-2013. Multivariable logistic regression was used to estimate the sex-specific prevalence odds ratios (pOR) and 95% CIs of OSA by demographic, anthropometric, lifestyle and co-morbidity factors...
February 15, 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
Alexander D Nesbitt
Delayed sleep-wake phase disorder (DSWPD) is the most commonly encountered of the circadian rhythm sleep-wake disorders (CRSDs), and is often confused with sleep initiation insomnia. It typically emerges in teenage years and persists into adulthood. In essence, people with the disorder have an abnormally delayed major sleep episode relative to the dark phase of the solar cycle, and hence great difficulty initiating sleep at an appropriately early time, and, as a knock-on effect, waking at a desirable time in the morning, leading to chronic, and often quite severe sleep restriction trying to conform to a 9 to 5 schedule...
January 2018: Journal of Thoracic Disease
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