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https://www.readbyqxmd.com/read/28935698/polysomnographic-phenotypes-and-their-cardiovascular-implications-in-obstructive-sleep-apnoea
#1
Andrey V Zinchuk, Sangchoon Jeon, Brian B Koo, Xiting Yan, Dawn M Bravata, Li Qin, Bernardo J Selim, Kingman P Strohl, Nancy S Redeker, John Concato, Henry K Yaggi
BACKGROUND: Obstructive sleep apnoea (OSA) is a heterogeneous disorder, and improved understanding of physiologic phenotypes and their clinical implications is needed. We aimed to determine whether routine polysomnographic data can be used to identify OSA phenotypes (clusters) and to assess the associations between the phenotypes and cardiovascular outcomes. METHODS: Cross-sectional and longitudinal analyses of a multisite, observational US Veteran (n=1247) cohort were performed...
September 21, 2017: Thorax
https://www.readbyqxmd.com/read/28934533/carotid-artery-wall-thickness-in-obese-and-nonobese-adults-with-obstructive-sleep-apnea-before-and-following-positive-airway-pressure-treatment
#2
Jinyoung Kim, Emile R Mohler, Brendan T Keenan, David Maislin, Erna Sif Arnardottir, Thorarinn Gislason, Bryndis Benediktsdottir, Sigrun Gudmundsdottir, Andrea Sifferman, Bethany Staley, Frances M Pack, Greg Maislin, Julio A Chirinos, Raymond R Townsend, Allan I Pack, Samuel T Kuna
Study objectives: Debate persists as to whether obstructive sleep apnea (OSA) is an independent risk factor for atherosclerosis. The purpose of this study was to compare carotid intima-media thickness (IMT), an early sign of atherosclerosis, in obese and nonobese adults with OSA before and following positive airway pressure (PAP) treatment. Methods: A total of 206 adults newly diagnosed with OSA with an apnea-hypopnea index (AHI) of 15-75 events/hour and 53 controls with AHI <10 were studied...
September 1, 2017: Sleep
https://www.readbyqxmd.com/read/28934528/the-impact-of-altitude-on-sleep-disordered-breathing-in-children-dwelling-at-high-altitude-a-crossover-study
#3
Benjamin H Hughes, John T Brinton, David G Ingram, Ann C Halbower
Study Objectives: Sleep-disordered breathing (SDB) is prevalent among children and is associated with adverse health outcomes. Worldwide, approximately 250 million individuals reside at altitudes higher than 2000 meters above sea level (masl). The effect of chronic high-altitude exposure on children with SDB is unknown. This study aims to determine the impact of altitude on sleep study outcomes in children with SDB dwelling at high altitude. Methods: A single-center crossover study was performed to compare results of high-altitude home polysomnography (H-PSG) with lower altitude laboratory polysomnography (L-PSG) in school-age children dwelling at high altitude with symptoms consistent with SDB...
September 1, 2017: Sleep
https://www.readbyqxmd.com/read/28934376/managing-menopausal-symptoms-and-associated-clinical-issues-in-breast-cancer-survivors
#4
Richard J Santen, Cynthia A Stuenkel, Susan R Davis, JoAnn V Pinkerton, Anne Gompel, Mary Ann Lumsden
Objective: Review evidence to guide the management of menopausal signs and symptoms in women after breast cancer and make recommendations accordingly. Evidence: Randomized controlled clinical trials, observational studies, evidence- based guidelines, and expert opinion from professional societies. Background: Several symptoms and clinical problems associated with estrogen depletion -sleep disorders, vulvovaginal atrophy (VVA), vasomotor symptoms (VMS), mood changes, depressive symptoms, cardiovascular disease, osteopenia and osteoporosis- confront the estimated 9...
August 2, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28933970/the-importance-of-calprotectin-levels-in-the-obstructive-sleep-apnea-syndrome-severity
#5
Mümtaz Taner Torun, Ethem Ünver, Yusuf Yalçın, Lutfi Kanmaz, Ender Seçkin
BACKGROUND: Obstructive sleep apnea syndrome (OSAS) is mostly seen in adult populations. It is known that increased levels of several inflammatory mediators play roles in OSAS and related comorbidities. Calprotectin is an inflammatory mediator that increases in some diseases such as Bechet's syndrome, bowel diseases and cardiovascular and cerebrovascular diseases. AIMS: The purpose of this study was to investigate whether calprotectin can be used as a biomarker in OSAS by determining the relation between the serum calprotectin levels and OSAS severity...
September 21, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28932508/the-sleep-apnea-cardiovascular-endpoints-save-study-implications-for-health-services-and-sleep-research-in-china-and-elsewhere
#6
EDITORIAL
Zhi-Hui Qiu, Yuan-Ming Luo, R Doug McEvoy
No abstract text is available yet for this article.
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28931039/abnormalities-in-substance-p-neurokinin-1-receptor-binding-in-key-brainstem-nuclei-in-sudden-infant-death-syndrome-related-to-prematurity-and-sex
#7
Fiona M Bright, Robert Vink, Roger W Byard, Jhodie R Duncan, Henry F Krous, David S Paterson
Sudden infant death syndrome (SIDS) involves failure of arousal to potentially life threatening events, including hypoxia, during sleep. While neuronal dysfunction and abnormalities in neurotransmitter systems within the medulla oblongata have been implicated, the specific pathways associated with autonomic and cardiorespiratory failure are unknown. The neuropeptide substance P (SP) and its tachykinin neurokinin-1 receptor (NK1R) have been shown to play an integral role in the modulation of homeostatic function in the medulla, including regulation of respiratory rhythm generation, integration of cardiovascular control, and modulation of the baroreceptor reflex and mediation of the chemoreceptor reflex in response to hypoxia...
2017: PloS One
https://www.readbyqxmd.com/read/28925472/the-erlangen-questionnaire-a-new-5-item-screening-tool-for-obstructive-sleep-apnea-in-a-sleep-clinic-population-a-prospective-double-blinded-study
#8
M Traxdorf, K Tziridis, C Scherl, H Iro, J Haferkamp
OBJECTIVE: The aim of this study was to develop and validate a simplified screening tool for identifying obstructive sleep apnea (OSA) in a sleep clinic population. PATIENTS AND METHODS: A total of 160 patients from a sleep clinic population was enrolled in the prospective, double-blinded study. OSA was defined by using diagnostic criteria of the ICSD-3 after overnight polysomnography (n=96) or polygraphy (n=64). The first 60 patients filled out a multi-item questionnaire and formed the development group...
August 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28923761/surgical-treatment-of-obstructive-sleep-apnea-on-cardiovascular-outcomes-a-systematic-review
#9
Tyler R Halle, Melissa S Oh, Nancy A Collop, Arshed A Quyyumi, Donald L Bliwise, Raj C Dedhia
BACKGROUND: Obstructive sleep apnea (OSA) is an increasingly prevalent clinical problem with significant effects on quality of life and cardiovascular risk. Surgical therapy represents an important treatment for those unable to use positive airway pressure. This systematic review examines the available cardiovascular risk reduction data for surgical treatment of OSA. METHODS: A comprehensive literature search was performed. Articles were included if they met the following criteria: (1) adults >18 years (2) OSA diagnosed by sleep study; (3) surgical intervention performed for OSA; (4) one or more physical or biochemical cardiovascular and/or cerebrovascular variables was measured pre-operatively and at ≥14 days postoperatively...
September 15, 2017: Chest
https://www.readbyqxmd.com/read/28923188/poor-sleep-moderates-the-relationship-between-daytime-napping-and-inflammation-in-black-and-white-men
#10
Karen P Jakubowski, Jennifer M Boylan, Jenny M Cundiff, Karen A Matthews
OBJECTIVES: To test whether napping was associated with 2 inflammatory markers with known relationships to cardiovascular disease: high-sensitivity C-reactive protein (hsCRP) and interleukin-6 (IL-6). Because IL-6 is known to impact central inflammatory processes that relate to sleep regulation, including subjective fatigue, we tested whether this relationship was moderated by sleep duration, sleep efficiency, and self-reported sleep quality. DESIGN: Cross-sectional...
October 2017: Sleep Health
https://www.readbyqxmd.com/read/28922677/surgery-significantly-improves-neurocognition-sleep-and-blood-pressure-in-primary-hyperparathyroidism-a-3-year-prospective-follow-up-study
#11
Sara Storvall, Eeva M Ryhänen, Ilkka Heiskanen, Harri Sintonen, Risto P Roine, Camilla Schalin-Jäntti
Surgery for primary hyperparathyroidism (PHPT) improves health-related quality of life (HRQoL), but it is unclear whether the effects are sustained after medium-term (>2 years) follow-up, and whether the results on some or all dimensions of HRQoL will reach that of the general population. We performed a follow-up of HRQoL on average 3.3 years after surgery for PHPT using the 15D in our patient cohort (n=124) and compared the results to those of an age- and gender-standardized general population (n=1099)...
September 18, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28919912/the-isfahan-comprehensive-elderly-study-objectives-research-design-methodology-and-preliminary-results
#12
Zahra Heidari, Awat Feizi
BACKGROUND: This paper presents the objectives, research design, methodology, and primary findings of the Isfahan Comprehensive Elderly Study (ICES). MATERIALS AND METHODS: In this cross-sectional study, 603 elderly persons (aged 60 and over) were selected by multistage cluster sampling method from Isfahan, Iran, in 2016 comprehensive questionnaires along with a detailed interview were used to collect information on personal, family, socioeconomic, health and social services characteristics, life styles, physical illnesses and chronic diseases, mental, emotional and cognition disorders, quality of life, disabilities, sleep quality, social supports, life satisfaction, self-efficacy, and of participants...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28918674/consumption-of-fruitflow-%C3%A2-lowers-blood-pressure-in-pre-hypertensive-males-a-randomised-placebo-controlled-double-blind-cross-over-study
#13
Main Uddin, Dipankar Biswas, Abhik Ghosh, Niamh O'Kennedy, Asim K Duttaroy
In order to investigate whether the angiotensin converting enzyme-inhibitory tomato extract Fruitflow(®) would lower blood pressure after consumption, we conducted a randomised, double-blinded, placebo-controlled human intervention study, involving 12 pre-hypertensive people in a crossover design. Consuming a single dose of 150 mg Fruitflow(®) resulted in a significant reduction in 24-hour average blood pressure as well as average wake-period and sleep-period SBP, compared to placebo. Other parameters related to blood pressure, such as 24-hour average mean arterial pressure, pulse pressure, heart rate, central aortic systolic pressure and radial augmentation index were also reduced...
September 18, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28914725/sleep-duration-and-quality-as-related-to-left-ventricular-structure-and-function
#14
Jae-Hon Lee, Sung Keun Park, Jae-Hong Ryoo, Chang-Mo Oh, Jeong Gyu Kang, Rodrigo B Mansur, Jeffrey E Alfonsi, Yena Lee, Sun-Han Shin, Roger S McIntyre, Ju Young Jung
OBJECTIVE: Inadequate sleep is associated with increased risk of cardiovascular events; however, the associations between sleep duration or quality and cardiac function or structure are not well understood. This cross-sectional study was conducted to investigate to what extent sleep duration and quality are associated with left ventricular (LV) diastolic dysfunction or structural deterioration. METHODS: A total of 31,598 healthy Korean adults who received echocardiography and completed the Pittsburg Sleep Quality Index were enrolled in this study...
September 13, 2017: Psychosomatic Medicine
https://www.readbyqxmd.com/read/28913483/the-prevalence-of-perioperative-complications-in-patients-with-and-without-obstructive-sleep-apnoea-a-prospective-cohort-study
#15
Tatiana Ambrosii, Serghei Şandru, Adrian Belîi
BACKGROUND AND AIMS: Patients with obstructive sleep apnoea (OSA) have a high risk of postoperative complications. The purpose of the study was to record the spectrum and frequency of postoperative complications in patients with OSA versus (vs.) without OSA depending on the type of surgery and type of anaesthesia in a large cohort of patients. METHODS: We conducted a prospective, descriptive study (n = 400). Ethics Committee approval was obtained and written informed consent was signed...
October 2016: Rom J Anaesth Intensive Care
https://www.readbyqxmd.com/read/28910267/surveillance-for-certain-health-behaviors-and-conditions-among-states-and-selected-local-areas-behavioral-risk-factor-surveillance-system-united-states-2013-and-2014
#16
Sonya Gamble, Tebitha Mawokomatanda, Fang Xu, Pranesh P Chowdhury, Carol Pierannunzi, David Flegel, William Garvin, Machell Town
PROBLEM: Chronic diseases and conditions (e.g., heart diseases, stroke, arthritis, and diabetes) are the leading causes of morbidity and mortality in the United States. These conditions are costly to the U.S. economy, yet they are often preventable or controllable. Behavioral risk factors (e.g., excessive alcohol consumption, tobacco use, poor diet, frequent mental distress, and insufficient sleep) are linked to the leading causes of morbidity and mortality. Adopting positive health behaviors (e...
September 15, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28906359/relationship-between-sleep-duration-and-framingham-cardiovascular-risk-score-and-prevalence-of-cardiovascular-disease-in-koreans
#17
Eui Im, Gwang-Sil Kim
Studies have shown sleep duration to be related to the prevalence of metabolic syndrome and hypertension. However, whether sleep duration is associated with cardiovascular disease (CVD) risk and the prevalence of CVD irrespective of conventional CV-risk factor, such as diabetes mellitus, obesity, and metabolic syndrome, has not been well established for the Korean population.A total of 23,878 individuals aged 18 years or older from the 2007-2010 Korean National Health and Nutrition Examination Survey were analyzed...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28902662/circadian-hemodynamics-in-men-and-women-with-high-blood-pressure-dipper-vs-nondipper-and-racial-differences
#18
Andrew Sherwood, LaBarron K Hill, James A Blumenthal, Alan L Hinderliter
OBJECTIVE: The 'nondipping' pattern of circadian blood pressure (BP) variation is an established independent predictor of adverse cardiovascular outcomes. Although this phenomenon has been widely studied, its underlying circadian hemodynamics of cardiac output and systemic vascular resistance (SVR) have not been well characterized. We evaluated the hypothesis that BP nondipping would be associated with a blunted night-time reduction in SVR in a biracial sample of 140 (63 African-American and 77 white) men and women with elevated clinic BP (130-159/85-99 mmHg)...
September 11, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28899528/back-to-sleep-or-not-the-effect-of-the-supine-position-on-pediatric-osa-sleeping-position-in-children-with-osa
#19
Lisa M Walter, Daranagama U N Dassanayake, Aidan J Weichard, Margot J Davey, Gillian M Nixon, Rosemary S C Horne
BACKGROUND: In both adults and children, obstructive sleep apnea (OSA) has significant adverse cardiovascular consequences. In adults, sleeping position has a marked effect on the severity of OSA; however, the limited number of studies conducted in children have reported conflicting findings. We aimed to evaluate the effect of sleeping position on OSA severity and the cardiovascular consequences in preschool-aged children. METHODS: This was a retrospective analysis of children (3-5 years of age) diagnosed with OSA (n = 75) and nonsnoring controls (n = 25)...
September 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28899518/relationship-between-obstructive-sleep-apnea-and-neuroimaging-signatures-of-cerebral-small-vessel-disease-in-community-dwelling-older-adults-the-atahualpa-project
#20
Oscar H Del Brutto, Robertino M Mera, Mauricio Zambrano, Pablo R Castillo
BACKGROUND/OBJECTIVES: Evidence of a relationship between obstructive sleep apnea (OSA) and neuroimaging signatures of cerebral small vessel disease (SVD) is limited. The present study aimed to evaluate this association in older adults living in rural Ecuador, where small vessel disease is a major pathogenetic mechanism underlying stroke. METHODS: A representative random sample of Atahualpa residents aged ≥60 years enrolled in the Atahualpa Project neuroimaging substudy underwent a single-night diagnostic polysomnography...
September 2017: Sleep Medicine
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