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https://www.readbyqxmd.com/read/28335841/cardiovascular-outcomes-with-minute%C3%A2-ventilation-targeted-adaptive-servo-ventilation-therapy-in-heart-failure-the-cat-hf-trial
#1
Christopher M O'Connor, David J Whellan, Mona Fiuzat, Naresh M Punjabi, Gudaye Tasissa, Kevin J Anstrom, Adam V Benjafield, Holger Woehrle, Amy B Blase, JoAnn Lindenfeld, Olaf Oldenberg
BACKGROUND: Sleep apnea is common in hospitalized heart failure (HF) patients and is associated with increased morbidity and mortality. OBJECTIVES: The CAT-HF (Cardiovascular Improvements With MV-ASV Therapy in Heart Failure) trial investigated whether minute ventilation (MV) adaptive servo-ventilation (ASV) improved cardiovascular outcomes in hospitalized HF patients with moderate-to-severe sleep apnea. METHODS: Eligible patients hospitalized with HF and moderate-to-severe sleep apnea were randomized to ASV plus optimized medical therapy (OMT) or OMT alone (control)...
March 28, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28327146/association-between-obstructive-sleep-apnea-severity-and-endothelial-dysfunction-in-patients-with-type-2-diabetes
#2
Vanessa Bironneau, François Goupil, Pierre Henri Ducluzeau, Marc Le Vaillant, Pierre Abraham, Samir Henni, Séverine Dubois, Audrey Paris, Pascaline Priou, Nicole Meslier, Claire Sanguin, Wojciech Trzépizur, Ramaroson Andriantsitohaina, Maria Carmen Martinez, Frédéric Gagnadoux
BACKGROUND: Obstructive sleep apnea (OSA) and type 2 diabetes (T2D) are associated with endothelial dysfunction a main predictor of late cardiovascular (CV) events. Despite the high prevalence of OSA in patients with T2D, the impact of OSA severity on endothelial function has not been clearly elucidated. The aim of this cross-sectional study was to determine whether increasing OSA severity is associated with poorer endothelial function in patients with T2D. METHODS: 140 patients with T2D and no overt CV disease underwent polysomnography, peripheral arterial tonometry, clinic blood pressure (BP) measurement, biological assessment for CV risk factors, daytime sleepiness and health related quality of life (HRQL) questionnaires...
March 21, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28325004/study-of-phase-estimation-methods-to-analyse-cardiorespiratory-synchronization-in-osa-patients
#3
Jordi Sola-Soler, Beatriz F Giraldo, Jose A Fiz, Raimon Jane
Obstructive Sleep Apnea (OSA) is a sleep disorder highly prevalent in the general population. Cardiorespiratory Phase Synchronization (CRPS) is a form of non-linear interaction between respiratory and cardiovascular systems that was found to be reduced in severe OSA patients. The Hilbert Transform (HT) method was the recommended choice for estimating the respiratory phase in CRPS studies. But we have noticed that HT provides a phase that is aligned to the transition between the exhalation and the inhalation parts of different breathing cycles, instead of being aligned to the breathing onsets...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324596/blood-pressure-and-metabolic-changes-after-3-month-cpap-therapy-in-a-very-elderly-obese-with-severe-obstructive-sleep-apnea-a-case-report-and-review-of-the-literature
#4
Francesco Spannella, Federico Giulietti, Chiara Di Pentima, Francesca Elena Lombardi, Elisabetta Borioni, Riccardo Sarzani
Age is one of the main risk factor for the presence of obstructive sleep apnea (OSA). This syndrome is associated with hypertension, cardiovascular disease, cognitive impairment and metabolic abnormalities, such as type 2 diabetes. Continuous positive airway pressure (CPAP) represents the gold standard therapy, but its benefit is still to be determined in very elderly. We report the blood pressure and metabolic changes in a very elderly obese with severe OSA after 3-month CPAP therapy. We have evaluated a very elderly obese male affected by severe symptomatic OSA, poor controlled nocturnal hypertension and insulin resistance...
March 21, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/28318659/cardiovascular-and-general-health-status-of-adults-with-trisomy-21
#5
Samuel A Hayes, Shelby Kutty, Joshua Thomas, Joyce T Johnson, Anji T Yetman
BACKGROUND: Patients with Trisomy 21 are now living well into adulthood. Little data exists to assist the cardiologist in the care of these patients. We sought to examine the cardiac and general health status of adults with Trisomy 21 undergoing cardiac evaluation. METHODS & RESULTS: A retrospective review of all affected adults >21years followed at 2 tertiary care institutions was performed. Of 193 patients identified, median age was 31 (range 21.1-60.5) years...
March 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28306414/cross-sectional-comparison-of-sleep-disordered-breathing-in-native-peruvian-highlanders-and-lowlanders
#6
Luu V Pham, Christopher Meinzen, Rafael S Arias, Noah G Schwartz, Adi Rattner, Catherine H Miele, Philip L Smith, Hartmut Schneider, J Jaime Miranda, Robert H Gilman, Vsevolod Y Polotsky, William Checkley, Alan R Schwartz
Pham, Luu V., Christopher Meinzen, Rafael S. Arias, Noah G. Schwartz, Adi Rattner, Catherine H. Miele, Philip L. Smith, Hartmut Schneider, J. Jaime Miranda, Robert H. Gilman, Vsevolod Y. Polotsky, William Checkley, and Alan R. Schwartz. Cross-sectional comparison of sleep-disordered breathing in native Peruvian highlanders and lowlanders. High Alt Med Biol. 18:11-19, 2017. BACKGROUND: Altitude can accentuate sleep disordered breathing (SDB), which has been linked to cardiovascular and metabolic diseases...
March 2017: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/28297810/-the-sleep-apnea-cardiovascular-endpoint-save-study-implications-for-health-services-and-sleep-research-in-china
#7
McEvoy R Doug
No abstract text is available yet for this article.
March 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28296428/effect-of-cpap-therapy-on-the-cardiovascular-outcomes-in-patients-with-nonsleepy-obstructive-sleep-apnea
#8
Tomoyuki Kawada
No abstract text is available yet for this article.
March 15, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28296427/reply-to-effect-of-cpap-therapy-on-the-cardiovascular-outcomes-in-patients-with-nonsleepy-obstructive-sleep-apnea
#9
Yüksel Peker, Karl Wegscheider, Christine Eulenburg
No abstract text is available yet for this article.
March 15, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28296212/red-cell-distribution-width-and-uric-acid-in-patients-with-obstructive-sleep-apnea
#10
A Sunnetcioglu, H Gunbatar, H Yıldız
BACKGROUND: Obstructive sleep apnea (OSA), characterized by recurrent partial or complete pharyngeal closure, resulting in apnea or hypopnea, is closely associated with cardiovascular disorders (CVDs). Elevated red cell distribution width (RDW) and serum uric acid (SUA) levels have also been associated with CVDs and the consequent mortality. The aim of this study is to determine SUA levels and RDW in patients with OSA which is major a risk factor for CVDs. METHODS: This was a retrospective study involving 600 subjects evaluated by polysomnography...
March 13, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28287009/continuous-positive-airway-pressure-therapy-in-obstuctive-sleep-apnea-benefits-and-alternatives
#11
Michelle T Cao, Joshua M Sternbach, C Guilleminault
Obstructive sleep apnea (OSA) is a highly prevalent condition affecting persons of all age with an increasing public health burden. It is implicated in cardiovascular disease, metabolic syndrome, neurocognitive impairment, reductions in quality of life, and increased motor vehicle accidents. The goals of OSA treatment are to improve sleep and daytime symptoms, and minimize cardiovascular risks.Areas covered: Continuous positive airway pressure (CPAP) is considered the gold standard therapy that delivers pressurized air into the upper airway to relieve obstruction during sleep...
March 17, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28281681/chemogenetic-stimulation-of-the-hypoglossal-neurons-improves-upper-airway-patency
#12
Thomaz Fleury Curado, Kenneth Fishbein, Huy Pho, Michael Brennick, Olga Dergacheva, Luiz U Sennes, Luu V Pham, Ellen E Ladenheim, Richard Spencer, David Mendelowitz, Alan R Schwartz, Vsevolod Y Polotsky
Obstructive sleep apnea (OSA) is characterized by recurrent upper airway obstruction during sleep. OSA leads to high cardiovascular morbidity and mortality. The pathogenesis of OSA has been linked to a defect in neuromuscular control of the pharynx. There is no effective pharmacotherapy for OSA. The objective of this study was to determine whether upper airway patency can be improved using chemogenetic approach by deploying designer receptors exclusively activated by designer drug (DREADD) in the hypoglossal motorneurons...
March 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28280920/erythropoietin-levels-in-patients-with-sleep-apnea-a-meta-analysis
#13
Xiao-Bin Zhang, Yi-Ming Zeng, Hui-Qing Zeng, Hua-Ping Zhang, Hui-Ling Wang
Currently available data regarding the blood levels of erythropoietin (EPO) in sleep apnea (SA) patients are contradictory. The aim of the present meta-analysis was to evaluate the EPO levels in SA patients via quantitative analysis. A systematic search of Pubmed, Embase, and Web of Science were performed. EPO levels in SA group and control group were extracted from each eligible study. Weight mean difference (WMD) or Standard mean difference (SMD) with 95% confidence interval (CI) was calculated by using fixed-effects or random effect model analysis according to the degree of heterogeneity between studies...
March 9, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28279153/the-association-between-biochemical-control-and-cardiovascular-risk-factors-in-acromegaly
#14
John D Carmichael, Michael S Broder, Dasha Cherepanov, Eunice Chang, Adam Mamelak, Qayyim Said, Maureen P Neary, Vivien Bonert
BACKGROUND: The study aim was to estimate the proportion of acromegaly patients with various comorbidities and to determine if biochemical control was associated with reduced proportion of cardiovascular risk factors. METHODS: Data were from a single-center acromegaly registry. Study patients were followed for ≥12 months after initial treatment. Study period was from first to last insulin-like growth factor-I and growth hormone tests. RESULTS: Of 121 patients, 55% were female...
March 9, 2017: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/28276869/comorbidities-and-risk-of-mortality-in-patients-with-sleep-apnea
#15
Chi-Lu Chiang, Yung-Tai Chen, Kang-Ling Wang, Vincent Yi-Fong Su, Li-An Wu, Diahn-Warng Perng, Shi-Chuan Chang, Yuh-Min Chen, Tzeng-Ji Chen, Kun-Ta Chou
BACKGROUND: A variety of disorders, most notably cardiovascular diseases, was linked to sleep apnea (SA), but their impact on mortality of SA patients had not been systematically investigated. We aimed to develop a composite index based on the comorbidity burden to predict mortality risk. METHODS: Using Taiwan National Health Insurance Research Database, 9853 adult SA patients were enrolled and their comorbidity profile at baseline was recorded. The subjects were followed from 1995 till death or the end of 2011...
February 10, 2017: Annals of Medicine
https://www.readbyqxmd.com/read/28274539/the-clinical-impact-of-major-comorbidities-on-idiopathic-pulmonary-fibrosis
#16
REVIEW
Atsushi Suzuki, Yasuhiro Kondoh
Idiopathic pulmonary fibrosis (IPF) is a progressive and devastating disease with a median survival time of 2-3 years after diagnosis. Patients with IPF exhibit distinct patterns of disease progression, and some patients display a more rapidly progressive clinical course. The clinical course of IPF may also include periods of acute deterioration, which are termed acute exacerbations. Patients with IPF frequently experience various comorbidities, such as pulmonary infection, emphysema, pulmonary hypertension, lung cancer, gastroesophageal reflux, cardiovascular disease, diabetes mellitus, and obstructive sleep apnea...
March 2017: Respiratory Investigation
https://www.readbyqxmd.com/read/28260958/sleep-apnea-risk-and-subclinical-atherosclerosis-in-early-middle-aged-retired-national-football-league-players
#17
Faith S Luyster, Reginald E Dunn, Diane S Lauderdale, Mercedes R Carnethon, Andrew M Tucker, Robert A Vogel, Andrew E Lincoln, Kristen L Knutson, Elliot J Pellman, Patrick J Strollo
PURPOSE: Limited data from former National Football League (NFL) players suggest that obstructive sleep apnea (OSA) may be highly prevalent after retirement. It remains unclear whether the high prevalence of OSA in retired players is comparable to nonathletes. This retrospective analysis compared sleep apnea (SA) risk in retired NFL players to a community cohort (CARDIA Sleep study), and examined associations between SA risk and cardiovascular risk factors, including subclinical atherosclerosis...
2017: Nature and Science of Sleep
https://www.readbyqxmd.com/read/28255159/high-intensity-aerobic-exercise-training-improves-chronic-intermittent-hypoxia-induced-insulin-resistance-without-basal-autophagy-modulation
#18
Marion Pauly, Allan Assense, Aurélie Rondon, Amandine Thomas, Hervé Dubouchaud, Damien Freyssenet, Henri Benoit, Josiane Castells, Patrice Flore
Chronic intermittent hypoxia (IH) associated with obstructive sleep apnea (OSA) is a major risk factor for cardiovascular and metabolic diseases (insulin resistance: IR). Autophagy is involved in the pathophysiology of IR and high intensity training (HIT) has recently emerged as a potential therapy. We aimed to confirm IH-induced IR in a tissue-dependent way and to explore the preventive effect of HIT on IR-induced by IH. Thirty Swiss 129 male mice were randomly assigned to Normoxia (N), Intermittent Hypoxia (IH: 21-5% FiO2, 30 s cycle, 8 h/day) or IH associated with high intensity training (IH HIT)...
March 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28254339/obstructive-sleep-apnea-epidemiology-and-portuguese-patients-profile
#19
A P Rodrigues, P Pinto, B Nunes, C Bárbara
INTRODUCTION: Obstructive Sleep Apnea (OSA) is characterized by recurrent episodes of apnea and hypopnea, secondary to collapse of the upper airways during sleep. OSA is frequently associated to cardiovascular complications. In Portugal, its magnitude is unknown. METHODS: In 2014 a cross-sectional study was performed using the Portuguese General Practitioner (GP) Sentinel Network (Rede Médicos Sentinela). Participants GP reported all OSA cases diagnosed and registered in their lists of users on the 31 December 2013...
March 2017: Revista Portuguesa de Pneumologia
https://www.readbyqxmd.com/read/28254083/classification-techniques-on-computerized-systems-to-predict-and-or-to-detect-apnea-a-systematic-review
#20
REVIEW
Nuno Pombo, Nuno Garcia, Kouamana Bousson
BACKGROUND AND OBJECTIVE: Sleep apnea syndrome (SAS), which can significantly decrease the quality of life is associated with a major risk factor of health implications such as increased cardiovascular disease, sudden death, depression, irritability, hypertension, and learning difficulties. Thus, it is relevant and timely to present a systematic review describing significant applications in the framework of computational intelligence-based SAS, including its performance, beneficial and challenging effects, and modeling for the decision-making on multiple scenarios...
March 2017: Computer Methods and Programs in Biomedicine
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