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https://www.readbyqxmd.com/read/28642292/frequency-and-magnitude-of-intermittent-hypoxia-modulate-endothelial-wound-healing-in-a-cell-culture-model-of-sleep-apnea
#1
Noelia Campillo, Bryan Falcones, Josep M Montserrat, David Gozal, Ana Obeso, Teresa Gallego-Martin, Daniel Navajas, Isaac Almendros, Ramon Farre
Intermittent hypoxia (IH) has been implicated in the cardiovascular consequences of obstructive sleep apnea (OSA). However, the lack of suitable experimental systems has precluded assessment as to whether IH is detrimental, protective or both for the endothelium. The aim of the work was to determine the effects of frequency and amplitude of IH oxygenation swings on aortic endothelial wound healing. Monolayers of human primary endothelial cells were wounded, and subjected to constant oxygenation (1%, 4%, 13% or 20% O2) or IH at different frequencies (0...
June 22, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28640452/role-of-epicardial-adipose-tissue-in-health-and-disease-a-matter-of-fat
#2
Bénédicte Gaborit, Coralie Sengenes, Patricia Ancel, Alexis Jacquier, Anne Dutour
Epicardial adipose tissue (EAT) is a small but very biologically active ectopic fat depot that surrounds the heart. Given its rapid metabolism, thermogenic capacity, unique transcriptome, secretory profile, and simply measurability, epicardial fat has drawn increasing attention among researchers attempting to elucidate its putative role in health and cardiovascular diseases. The cellular crosstalk between epicardial adipocytes and cells of the vascular wall or myocytes is high and suggests a local role for this tissue...
June 18, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28640441/adipose-tissue-derived-omentin-1-function-and-regulation
#3
Takuya Watanabe, Kaho Watanabe-Kominato, Yui Takahashi, Miho Kojima, Rena Watanabe
Omentin-1, also known as intelectin-1, is a recently identified novel adipocytokine of 313 amino acids, which is expressed in visceral (omental and epicardial) fat as well as mesothelial cells, vascular cells, airway goblet cells, small intestine, colon, ovary, and plasma. The level of omentin-1 expression in (pre)adipocytes is decreased by glucose/insulin and stimulated by fibroblast growth factor-21 and dexamethasone. Several lines of experimental evidence have shown that omentin-1 plays crucial roles in the maintenance of body metabolism and insulin sensitivity, and has anti-inflammatory, anti-atherosclerotic, and cardiovascular protective effects via AMP-activated protein kinase/Akt/nuclear factor-κB/mitogen-activated protein kinase (ERK, JNK, and p38) signaling...
June 18, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28639107/depressive-symptoms-in-patients-with-obstructive-sleep-apnea-biological-mechanistic-pathways
#4
Diana A Chirinos, Indira Gurubhagavatula, Preston Broderick, Julio A Chirinos, Karen Teff, Thomas Wadden, Greg Maislin, Hassam Saif, Jesse Chittams, Caitlin Cassidy, Alexandra L Hanlon, Allan I Pack
This study examined the association between depressive symptoms, as well as depressive symptom dimensions, and three candidate biological pathways linking them to Obstructive sleep apnea (OSA): (1) inflammation; (2) circulating leptin; and (3) intermittent hypoxemia. Participants included 181 obese adults with moderate-to-severe OSA enrolled in the Cardiovascular Consequences of Sleep Apnea (COSA) trial. Depressive symptoms were measured using the Beck Depression Inventory-II (BDI-II). We assessed inflammation using C-reactive protein levels (CRP), circulating leptin by radioimmunoassay using a double antibody/PEG assay, and intermittent hypoxemia by the percentage of sleep time each patient had below 90% oxyhemoglobin saturation...
June 21, 2017: Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/28638745/obesity-cardiovascular-disease-and-sleep-disorders-insights-into-the-rising-epidemic
#5
Navneet Sharma, Justin Lee, Irini Youssef, Moro O Salifu, Samy I McFarlane
Cardiovascular disease (CVD) is the main cause of death among adult men and women in the USA and impacts millions around the globe. Traditional risk factors for CVD include obesity, diabetes, hypertension and dyslipidemia. The modern-day epidemic of obesity not only increased the rate of CVD but also ushered in an additional CVD risk factor to be added to the list; that is obstructive sleep apnea (OSA). In this review, we discuss the growing epidemic of obesity and OSA, highlighting the common pathogenic hypotheses linking these risk factors to CVD...
March 2017: Journal of Sleep Disorders & Therapy
https://www.readbyqxmd.com/read/28637427/aging-and-obesity-are-associated-with-undiagnosed-hypertension-in-a-cohort-of-males-in-the-central-province-of-sri-lanka-a-cross-sectional-descriptive-study
#6
N W I A Jayawardana, W A T A Jayalath, W M T Madhujith, U Ralapanawa, R S Jayasekera, S A S B Alagiyawanna, A M K R Bandara, N S Kalupahana
BACKGROUND: Lifestyle factors associated with hypertension (HT) in South Asian populations are relatively unknown. The objective of the current study was to investigate the prevalence rates of undiagnosed HT and factors associated with it in a cohort of males from the Central Province of Sri Lanka. METHODS: The study group consisted of 2462 males (mean age 31 years, range: 16-72 years) who underwent a routine medical examination at the National Transport Medical Institute, Kandy, Sri Lanka...
June 21, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28637196/chronological-change-of-right-ventricle-by-chronic-intermittent-hypoxia-in-mice
#7
Hyung-Ju Cho, Woon Heo, Jung Woo Han, Yong Hyuk Lee, Jin Myung Park, Min Jung Kang, Joo-Heon Yoon, Min Goo Lee, Chang-Hoon Kim, Joo Young Kim
Study Objective: No studies have investigated sequential changes in the heart on MRI, along with observation of functional lung phenotypes and genetics, over the duration of chronic intermittent hypoxia (CIH). We investigated chronological changes in heart and lung phenotypes after CIH using a mouse model to provide new insights into the pathophysiology of sleep apnea-induced cardiovascular disease. Methods: C57BL/6J adult male mice were randomized to 4 weeks or 8 weeks of CIH...
June 20, 2017: Sleep
https://www.readbyqxmd.com/read/28637078/-update-cardiovascular-sleep-medicine
#8
Benedikt Linz, Michael Böhm, Dominik Linz
The prevalence of sleep-disordered breathing (SDB) is high in patients with cardiovascular diseases. Typical symptoms like daytime sleepiness can be absent and those patients may report unspecific, therapy-resistant symptoms related to their underlying disease. Particularly sleep-related symptoms like nocturia, nocturnal dyspnea and pectangina can be present. Based on the results of recently published studies, the treatment of central sleep apnea in patients with symptomatic, systolic heart failure by adaptive servo-ventilation is no longer recommended...
June 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28634363/long-term-health-outcomes-in-patients-with-prader-willi-syndrome-a-nationwide-cohort-study-in-denmark
#9
E Hedgeman, S P Ulrichsen, S Carter, N C Kreher, K P Malobisky, M M Braun, J Fryzek, M S Olsen
BACKGROUND: Prader-Willi syndrome (PWS) is a rare congenital disease that affects growth, sexual development, cognitive function and behavior. Individuals exhibit food preoccupation and hyperphagia, which may lead to obesity with premature morbidity and mortality. The aim of this work was to evaluate the risk of venous thromboembolisms (VTE), myocardial infarction, pulmonary hypertension, sleep apnea, depression, anxiety and all-cause mortality among persons with PWS as compared to an age- and sex-matched general population cohort...
June 21, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28633915/patient-centered-care-in-obstructive-sleep-apnea-a%C3%A2-vision%C3%A2-for%C3%A2-the%C3%A2-future
#10
REVIEW
Janet Hilbert, Henry K Yaggi
Obstructive sleep apnea is a common condition, with multiple potential neurocognitive, cardiovascular, and metabolic consequences. Efficacious treatment is available, but patient engagement is typically required for treatment to be effective. Patients with sleep apnea are phenotypically diverse and have individual needs, preferences, and values that impact treatment decisions. There has been a shift in obstructive sleep apnea management from diagnosis to chronic care management. Making treatment decisions that incorporate an individual patient's values and preferences and are personalized for that patient's biology has the potential to improve patient outcomes...
February 24, 2017: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/28632874/screening-for-obesity-in-children-and-adolescents-us-preventive-services-task-force-recommendation-statement
#11
David C Grossman, Kirsten Bibbins-Domingo, Susan J Curry, Michael J Barry, Karina W Davidson, Chyke A Doubeni, John W Epling, Alex R Kemper, Alex H Krist, Ann E Kurth, C Seth Landefeld, Carol M Mangione, Maureen G Phipps, Michael Silverstein, Melissa A Simon, Chien-Wen Tseng
Importance: Based on year 2000 Centers for Disease Control and Prevention growth charts, approximately 17% of children and adolescents aged 2 to 19 years in the United States have obesity, and almost 32% of children and adolescents are overweight or have obesity. Obesity in children and adolescents is associated with morbidity such as mental health and psychological issues, asthma, obstructive sleep apnea, orthopedic problems, and adverse cardiovascular and metabolic outcomes (eg, high blood pressure, abnormal lipid levels, and insulin resistance)...
June 20, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28631492/the-efficacy-of-continuous-positive-airway-pressure-therapy-in-reducing-cardiovascular-events-in-obstructive-sleep-apnea-a-systematic-review
#12
Christine Parsons, Sorcha Allen, James Parish, Farouk Mookadam, Martina Mookadam
Prospective studies show an association between obstructive sleep apnea and cardiovascular disease. Continuous positive airway pressure (CPAP) is the treatment of choice and effectively reduces subjective sleepiness and apneic and hypopneic events. However, randomized trials have not shown a reduction in cardiovascular outcomes with CPAP therapy. We review the past 10 years of randomized trial evidence regarding the therapeutic efficacy of CPAP on cardiovascular outcomes and mortality in adults with obstructive sleep apnea...
June 20, 2017: Future Cardiology
https://www.readbyqxmd.com/read/28631078/evaluation-of-the-association-between-sleep-apnea-and-polyunsaturated-fatty-acids-profiles-in-patients-after-percutaneous-coronary-intervention
#13
Keisuke Nakabayashi, Kentaro Jujo, Katsumi Saito, Toshiaki Oka, Nobuhisa Hagiwara
The long-term outcome is poor in patients with sleep apnea and cardiovascular disease. Polyunsaturated fatty acid (PUFA) is also known as an independent predictor for adverse clinical events. However, the profile of PUFA in sleep apnea patients with coronary artery disease (CAD) is still unclear. This study aimed to clarify the association between sleep apnea and PUFA profiles in patients with CAD. Two hundred seventy-four consecutive patients undergoing percutaneous coronary intervention (PCI) were screened for sleep apnea using nocturnal oximetry...
June 19, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28626153/association-between-lifestyle-factors-assessed-by-standard-question-items-of-specific-health-checkup-and-the-incidence-of-metabolic-syndrome-and-hypertension-in-community-dwellers-a-five-year-cohort-study-of-national-health-insurance-beneficiaries-in-habikino
#14
Hiromi Tsutatani, Mika Funamoto, Daisuke Sugiyama, Kazuyo Kuwabara, Naomi Miyamatsu, Kouichi Watanabe, Tomonori Okamura
Objective From April 2008, specific health checkups have been implemented to prevent metabolic syndrome (MetS) and related cardiovascular diseases based on assurance of medical care for the elderly in Japan. In its "Standard Health Checkup and Counseling Guidance Program," 22 standard question items are recommended to assess health conditions of Japanese citizens. However, there are few community-based studies to clarify the relationship between question items and new onset of high risk conditions for cardiovascular diseases such as MetS...
2017: [Nihon Kōshū Eisei Zasshi] Japanese Journal of Public Health
https://www.readbyqxmd.com/read/28626106/-seedi-basic-strategies-for-the-primary-and-secondary-prevention-of-atherosclerotic-cardiovascular-disease
#15
Chunsong Hu
ABCDE strategy, mainly based on drugs or medications and the lifestyle modification (named as "main medical strategy"), is popular in the guideline for primary and secondary prevention of atherosclerotic cardiovascular disease (ASCVD) in China and foreign countries. Here, the author recommends a non-invasive and non-pharmacologic "Zhongzi" rule, which includes 4 healthy elements: Sleep, emotion, exercise, and diet (SEED), and also called SEED intervention (SEEDi) strategy. It is the basic strategy for primary and secondary prevention of non-infectious diseases, especially for ASCVD...
May 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28625382/impact-of-continuous-positive-airway-pressure-and-oxygen-on-health-status-in-patients-with-coronary-heart-disease-cardiovascular-risk-factors-and-obstructive-sleep-apnea-a-heart-biomarker-evaluation-in-apnea-treatment-heartbeat-analysis
#16
Eldrin F Lewis, Rui Wang, Naresh Punjabi, Daniel J Gottlieb, Stuart F Quan, Deepak L Bhatt, Sanjay R Patel, Reena Mehra, Roger S Blumenthal, Jia Weng, Michael Rueschman, Susan Redline
INTRODUCTION: Obstructive sleep apnea (OSA) is associated with impaired health-related quality of life (HRQL). Treatment with continuous positive airway pressure (CPAP) has variable impacts on HRQL, and this may be influenced by patient's tolerance of therapy. The objective is to determine the impact of nocturnal supplemental oxygen (NSO) and CPAP on HRQL compared with healthy lifestyle education (HLSE) in individuals with OSA. METHODS: Patients with coronary heart disease (CHD) or at least 3 major CHD risk factors with apnea-hypopnea index of 15 to 50 events/h were randomized to CPAP, NSO, or HLSE...
July 2017: American Heart Journal
https://www.readbyqxmd.com/read/28622127/prevalence-of-sleep-disordered-breathing-during-routine-electroencephalogram-eeg-a-hospital-based-descriptive-study
#17
Rajesh P Poothrikovil, Abdullah Al Asmi, Ramachandiran Nandhagopal, Mohammed Al Abri
Sleep-disordered breathing (SDB) in adults is a common condition that is associated with a range of medical problems including hypertension, cardiovascular complications, and increase of seizure frequency in susceptible individuals. Polysomnography (PSG) is considered the gold standard measure in the diagnosis of SDB. This is an observational study on the frequency of SDB in adult patients referred for routine EEG. We found that routine EEG was capable of detecting moderate to severe symptoms of SDB in 14% of adult patients (95% confidence interval = 8...
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/28620071/multiancestry-study-of-gene-lifestyle-interactions-for-cardiovascular-traits-in-610-475-individuals-from-124-cohorts-design-and-rationale
#18
D C Rao, Yun J Sung, Thomas W Winkler, Karen Schwander, Ingrid Borecki, L Adrienne Cupples, W James Gauderman, Kenneth Rice, Patricia B Munroe, Bruce M Psaty
BACKGROUND: Several consortia have pursued genome-wide association studies for identifying novel genetic loci for blood pressure, lipids, hypertension, etc. They demonstrated the power of collaborative research through meta-analysis of study-specific results. METHODS AND RESULTS: The Gene-Lifestyle Interactions Working Group was formed to facilitate the first large, concerted, multiancestry study to systematically evaluate gene-lifestyle interactions. In stage 1, genome-wide interaction analysis is performed in 53 cohorts with a total of 149 684 individuals from multiple ancestries...
June 2017: Circulation. Cardiovascular Genetics
https://www.readbyqxmd.com/read/28619699/the-relationship-between-blood-pressure-and-sleep-duration-in-turkish-children-a-cross-sectional-study
#19
Cengiz Bal, Ahmet Öztürk, Betül Çiçek, Ahmet Özdemir, Gökmen Zararsız, Demet Ünalan, Gözde Ertürk Zararsız, Selçuk Korkmaz, Dinçer Göksülük, Vahap Eldem, Sevda İsmailoğulları, Emine Erdem, Mümtaz M Mazıcıoğlu, Selam Kurtoğlu
OBJECTIVE: As in adults, hypertension is also an important risk factor for cardiovascular disease in children. We aimed to evaluate the effect of sleep duration on blood pressure in normal weight Turkish children aged between 11-17 years. METHODS: This cross-sectional study was conducted in the primary and secondary schools of the two central and ten outlying districts of Kayseri/Turkey with 2860 (1385 boys, 1475 girls) children and adolescents. Systolic and diastolic blood pressures were measured according to the recommendations of the Fourth Report of the National High Blood Pressure Education Program (NHBPEP) Working Group on High Blood Pressure in Children and Adolescents...
June 16, 2017: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/28617071/an-endothelial-link-between-the-benefits-of-physical-exercise-in-dementia
#20
Lianne J Trigiani, Edith Hamel
The current absence of a disease-modifying treatment for Alzheimer's disease (AD) and vascular cognitive impairment and dementia (VCID) highlights the necessity for investigating the benefits of non-pharmacological approaches such as physical exercise (PE). Although evidence exists to support an association between regular PE and higher scores on cognitive function tests, and a slower rate of cognitive decline, there is no clear consensus on the underlying molecular mechanisms of the advantages of PE. This review seeks to summarize the positive effects of PE in human and animal studies while highlighting the vascular link between these benefits...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
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