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Kathy Padkapayeva, Mahée Gilbert-Ouimet, Amber Bielecky, Selahadin Ibrahim, Cameron Mustard, Chantal Brisson, Peter Smith
Objectives: Stress is an important factor affecting the health of working population. While work exposures are determinants of levels of work and life stress, we do not know whether similar or different exposures are related to stress levels for men and women. This study aimed to formally examine male/female differences in the relationships between psychosocial work exposures and work and life stress in a representative sample of Canadian labour market participants. Methods: We used data from 2012 cycle of the Canadian Community Health Survey (CCHS), a representative population-based survey conducted by Statistics Canada...
March 15, 2018: Annals of Work Exposures and Health
Anita D Misra-Hebert, Kevin M Pantalone, Xinge Ji, Alex Milinovich, Tanujit Dey, Kevin M Chagin, Janine M Bauman, Michael W Kattan, Robert S Zimmerman
OBJECTIVE: To identify severe hypoglycemia events, defined as emergency department visits or hospitalizations for hypoglycemia, in patients with type 2 diabetes receiving care in a large health system and to identify patient characteristics associated with severe hypoglycemia events. RESEARCH DESIGN AND METHODS: This was a retrospective cohort study from January 2006 to December 2015 using the electronic medical record in the Cleveland Clinic Health System (CCHS)...
March 16, 2018: Diabetes Care
Kiminobu Tanizawa, Kazuo Chin
Sleep-disordered breathing (SDB) is characterized by repetitive episodes of decreased or arrested respiratory airflow during sleep. SDB is common and affects approximately 20% of the Japanese general population. Most traits of normal sleep and SDB show familial aggregation, suggesting significant effects of genetic factors. Obstructive sleep apnea (OSA) is the most common type of SDB and has a high heritability. Regardless of high heritability, no risk locus for OSA has reached a genome-wide level of significance (P < 5×10-8 ) in linkage or candidate gene analysis...
March 2018: Respiratory Investigation
Rachel C Lombardo, Aleksey Porollo, James F Cnota, Robert J Hopkin
PurposeCongenital central hypoventilation syndrome (CCHS, OMIM 209880) is a rare autosomal dominant disorder caused by mutation in PHOX2B that manifests as a consequence of abnormal neural crest cell migration during embryogenesis. Unlike other neurocristopathies, however, its impact on the cardiovascular system has not been previously assessed. This study was an effort to characterize the association between congenital heart disease (CHD) and mutations in PHOX2B in patients with CCHS.MethodsA retrospective review of patients with CCHS in conjunction with functional analysis of PHOX2B mutations associated with CHD was performed...
March 15, 2018: Genetics in Medicine: Official Journal of the American College of Medical Genetics
Liv Tybjærg Nordestgaard, Anne Tybjærg-Hansen, Katrine Laura Rasmussen, Børge G Nordestgaard, Ruth Frikke-Schmidt
BACKGROUND: Clusterin, also known as apolipoprotein J (apoJ), is one of the most abundantly expressed apolipoproteins in the brain after apolipoprotein E (apoE). Like the ε4 allele of the apolipoprotein E gene (APOE), the clusterin gene (CLU) is a risk locus for Alzheimer's disease, and may play additional roles in atherosclerosis pathogenesis. We tested whether genetic variation in CLU was associated with either Alzheimer's disease or atherosclerosis-related diseases. METHODS: We studied individual data on 103,987 participants from the Copenhagen General Population Study (CGPS) and the Copenhagen City Heart Study (CCHS)...
March 14, 2018: BMC Medicine
Kitiwan Rojnueangnit, Maria Descartes
Later-onset congenital central hypoventilation syndrome (LO-CCHS) does not present only breathing problems but can be present as episodic multiple organs involvement. Our unique case demonstrated LO-CCHS should be considered in the differential diagnosis of mitochondrial diseases and having nontypical polysomnography result.
March 2018: Clinical Case Reports
Patrick Lombardo, Wayne Jones, Liangliang Wang, Xin Shen, Elliot M Goldner
BACKGROUND: A self-reported life satisfaction question is routinely used as an indicator of societal well-being. Several studies support that mental illness is an important determinant for life satisfaction and improvement of mental healthcare access therefore could have beneficial effects on a population's life satisfaction. However, only a few studies report the relationship between subjective mental health and life satisfaction. Subjective mental health is a broader concept than the presence or absence of psychopathology...
March 12, 2018: BMC Public Health
Melissa A Maloney, Sheila S Kun, Thomas G Keens, Iris A Perez
Congenital central hypoventilation syndrome (CCHS) is a rare disorder defined by a failure in autonomic control of breathing secondary to mutations of the PHOX2B gene. Affected individuals demonstrate absent or diminished physiologic response to hypercapnia and hypoxia that is most severe during sleep as well as multi-system dysregulation of autonomic functions. Areas covered: In this review, we will discuss how evaluation of the disease-defining PHOX2B gene aids diagnosis and helps prognosticate disease severity, review disease physiology, describe clinical presentation and various aspects of autonomic nervous system dysregulation, review ventilatory strategies, and highlight current challenges in the care of these complex patients...
February 28, 2018: Expert Review of Respiratory Medicine
Tracie O Afifi, Jill McTavish, Sarah Turner, Harriet L MacMillan, C Nadine Wathen
Despite being a primary response to child abuse, it is currently unknown whether contact with child protection services (CPS) does more good than harm. The aim of the current study was to examine whether contact with CPS is associated with improved mental health outcomes among adult respondents who reported experiencing child abuse, after adjusting for sociodemographic factors and abuse severity. The data were drawn from the 2012 Canadian Community Health Survey-Mental Health (CCHS-2012), which used a multistage stratified cluster design (household-level response rate = 79...
February 1, 2018: Child Abuse & Neglect
Annie Wang, Sheila Kun, Bonnie Diep, Sally L Davidson Ward, Thomas G Keens, Iris A Perez
STUDY OBJECTIVES: To determine presence of obstructive sleep apnea (OSA) in patients with congenital central hypoventilation syndrome (CCHS) ventilated by diaphragm pacing (DP) without tracheostomy, and to determine if OSA can be improved by DP setting changes. METHODS: We reviewed polysomnography (PSG) results of 15 patients with CCHS from October 2001 to April 2014, age 15.4 ± 7.8 years, body mass index 22.0 ± 6.0 kg/m2, and 60% female. RESULTS: Of the 22 PSG results obtained for the 15 patients with CCHS, 9 were performed with tracheostomy capped, and 13 were performed after patients underwent decannulation...
January 16, 2018: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
Frank A Zelko, Tracey M Stewart, Cindy D Brogadir, Casey M Rand, Debra E Weese-Mayer
OBJECTIVE: To investigate neurocognitive deficits in children with Congenital Central Hypoventilation Syndrome (CCHS) by comparing them to their parents, since parents comprise a particularly suitable control group matched on disease-extrinsic factors that can influence neurocognitive functioning. We compared CCHS patients to their parents and to population norms, hypothesizing that they would obtain lower intelligence test scores than both groups. We also compared patient-parent differences against patient-normative differences, to determine whether the two analytic approaches would yield different results...
January 12, 2018: Pediatric Pulmonology
Hugues Sampasa-Kanyinga, Wendy Nilsen, Ian Colman
The objective of this study was to examine the association between child abuse and work stress in adulthood. We used data from the 2012 Canadian Community Health Survey (CCHS) Mental Health, a nationally representative cross-sectional survey of Canadians. This study included all participants aged 20years or older who reported being employed the past 12months (N=14,581). Child physical abuse, sexual abuse, and exposure to intimate partner violence were assessed in relation to several work stress-related indicators...
March 2018: Preventive Medicine
Suleiman Al Dakhoul
This is a report of a 36 week male infant who suffered abdominal distension and difficulty opening bowels within first few days of life and showed a pattern of hypoventilation and apnea associated with sleep. His diagnostic studies confirmed the diagnosis of congenital central hypoventilation syndrome CCHS (PHOX2B mutation) and Hirschsprung's disease and later found a further mutation of BRAF oncogene. This describes a novel association between these mutations and the shared qualities of tumorigenesis between BRAF and PHOX2B...
2017: Journal of Neonatal-perinatal Medicine
Safoura Zangiabadi, Christy Costanian, Hala Tamim
BACKGROUND: Oral health is a significant measure of overall health, and regular dental visits are recommended for the maintenance of oral health. The purpose of this study is to determine the pattern (amount and type) of, and factors associated with dental care use among Ontarians. METHODS: Data from the 2014 cycle of the Canadian Community Health Survey was used and analysis was restricted to individuals aged 12 and above residing in Ontario. Dental care use was defined by two distinct outcomes: not visiting a dentist within the past year and visiting a dentist only for emergencies...
December 29, 2017: BMC Oral Health
H So, L McLaren, G C Currie
Objective: The relationship between Canada's Food Guide (CFG) adherence and overweight/obesity at the population level is unknown. Our objective was to explore the association between overweight/obesity and CFG adherence in Canada. Methods: Using 24-h dietary recall data from the Canadian Community Health Survey (CCHS), we conducted a cross-sectional analysis of Canadians' consumption of four predefined food types from CFG (grain products, vegetables and fruit, milk and alternatives, meat and alternatives)...
December 2017: Obesity Science & Practice
Saher Zaidi, Jason Gandhi, Sohrab Vatsia, Noel L Smith, Sardar Ali Khan
Congenital central hypoventilation syndrome (CCHS), known colloquially as Ondine's curse, is a rare disorder characterized by impaired autonomic control of breathing during sleep from the loss of vagal input and diminished sensitivity of CO2 receptors in the medulla. CCHS correlates to the malformation of the neural crest located in the brainstem; this consequently affects the loss of sensitivity of CO2 chemoreceptors, bringing about hypoventilation during sleep. The primary cause of CCHS is the mutation of the paired-like homeobox PHO2XB gene, found in 90% of the patients...
November 13, 2017: Autonomic Neuroscience: Basic & Clinical
Laura C Rosella, Kathy Kornas, Zhan Yao, Douglas G Manuel, Catherine Bornbaum, Randall Fransoo, Therese Stukel
BACKGROUND: A large proportion of health care spending is incurred by a small proportion of the population. Population-based health planning tools that consider both the clinical and upstream determinants of high resource users (HRU) of the health system are lacking. OBJECTIVE: To develop and validate the High Resource User Population Risk Tool (HRUPoRT), a predictive model of adults that will become the top 5% of health care users over a 5-year period, based on self-reported clinical, sociodemographic, and health behavioral predictors in population survey data...
November 17, 2017: Medical Care
Kevin E Gordon, Stefan Kuhle
SETTING: The Canadian Community Health Survey (CCHS) is a national cross-sectional health survey, which has collected information on injuries serious enough to limit normal activity. OBJECTIVE: To assess the construct and discriminant validity of reporting 'concussion or other brain injury' in the CCHS as the respondents' most serious injury. METHODS: Construct validity was assessed by describing the injury profile. Discriminant validity was assessed by examining differences between those reporting concussion or other brain injury, and either: respondents not reporting brain injury (population control); or respondents reporting orthopaedic injuries (orthopaedic control)...
2018: Brain Injury: [BI]
Farah Islam, Nazilla Khanlou, Alison Macpherson, Hala Tamim
To determine the prevalence rates and characteristics of past-year mental health consultation for Ontario's adult (18 + years old) immigrant populations. The Canadian Community Health Survey (CCHS) 2012 was used to calculate the prevalence rates of past-year mental health consultation by service provider type. Characteristics associated with mental health consultation were determined by carrying out multivariable logistic regression analysis on merged CCHS 2008-2012 data. Adult immigrant populations in Ontario (n = 3995) had lower estimated prevalence rates of past-year mental health consultation across all service provider types compared to Canadian-born populations (n = 14,644)...
November 16, 2017: Community Mental Health Journal
Hua Yuan, Jinru Zhang, Yujuan Cai, Sheng Wu, Kui Yang, H C Stephen Chan, Wei Huang, Wen-Bing Jin, Yan Li, Yue Yin, Yasuhiro Igarashi, Shuguang Yuan, Jiahai Zhou, Gong-Li Tang
GyrI-like proteins are widely distributed in prokaryotes and eukaryotes, and recognized as small-molecule binding proteins. Here, we identify a subfamily of these proteins as cyclopropanoid cyclopropyl hydrolases (CCHs) that can catalyze the hydrolysis of the potent DNA-alkylating agents yatakemycin (YTM) and CC-1065. Co-crystallography and molecular dynamics simulation analyses reveal that these CCHs share a conserved aromatic cage for the hydrolytic activity. Subsequent cytotoxic assays confirm that CCHs are able to protect cells against YTM...
November 14, 2017: Nature Communications
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