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https://www.readbyqxmd.com/read/28351060/blood-pressure-variability-in-obstructive-sleep-apnoea-data-from-4-randomised-controlled-cpap-withdrawal-trials
#1
Franziska Lettau, Esther I Schwarz, John R Stradling, Malcolm Kohler
BACKGROUND: Increased daytime blood pressure variability (BPV) is associated with cardiovascular risk. Preliminary data suggest that obstructive sleep apnoea (OSA) might contribute to increased daytime BPV. OBJECTIVE: The aim of this study was to evaluate the effect of continuous positive airway pressure (CPAP) therapy withdrawal on daytime BPV. METHODS: A total of 183 patients previously diagnosed with OSA and treated with CPAP were randomised to either continue or withdraw from CPAP within 4 trials...
March 29, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28346156/association-of-sleep-characteristics-with-cardiovascular-and-metabolic-risk-factors-in-a-population-sample-the-chicago-area-sleep-study
#2
Samantha E Montag, Kristen L Knutson, Phyllis C Zee, Jeffrey J Goldberger, Jason Ng, Kwang-Youn A Kim, Mercedes R Carnethon
OBJECTIVES: To investigate the association of sleep characteristics with prevalent hypertension, diabetes, and obesity in a multiethnic cohort. DESIGN: This study used a population-based cross-sectional study design. SETTING: Participants were recruited between 2009 and 2011 from Chicago, Illinois, and the surrounding suburbs. PARTICIPANTS: Participants were 492 adults aged 35 to 64years who self-reported as white, black, Hispanic, or Asian and who had a low likelihood of sleep apnea based on the apnea screening questionnaires and 1 night of apnea screening using an in-home device (apnea hypopnea index <15 or oxygen desaturation index <10)...
April 2017: Sleep Health
https://www.readbyqxmd.com/read/28345811/importance-of-laboratory-parameters-in-patients-with-obstructive-sleep-apnea-and-their-relationship-with-cardiovascular-diseases
#3
Tulay Kıvanc, Sevsen Kulaksızoglu, Huseyin Lakadamyalı, Fusun Eyuboglu
BACKGROUND: Ostructive sleep apnea (OSA) is an independent risk factor for the development of cardiovascular events. Platelet activation and inflammation are the mechanisms involved in the association between OSA and cardiovascular disease (CVD). The markers of platelet activation and inflammation are the mean platelet volume (MPV), platelet-lymphocyte ratio (PLR), red cell distribution width (RDW), neutrophil- lymphocyte ratio (NLR). We aimed to define the association of NLR, PLR, RDW, and MPV with the severity of disease and the presence of CVD...
March 27, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28345544/retinal-vascular-morphological-changes-in-patients-with-extremely-severe-obstructive-sleep-apnea-syndrome
#4
Xiao-Yi Wang, Shuang Wang, Xue Liu, Xiu Ding, Meng Li, De-Min Han
BACKGROUND: Obstructive sleep apnea syndrome (OSAS) has been shown to generate hypertension and endothelial dysfunction. Retinal vessel is the only vessel that can be observed directly and noninvasively; retinal vascular abnormalities can serve as a predictive marker for the occurrence, clinical course, and prognosis of cardiovascular and cerebrovascular diseases. The objective of this study was to identify the effect of OSAS severity on the morphological changes of retinal vessels. METHODS: Adult patients complained of snoring were included in this study...
April 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28340239/hypertension-in-dialysis-patients-a-consensus-document-by-the-european-renal-and-cardiovascular-medicine-eureca-m-working-group-of-the-european-renal-association-european-dialysis-and-transplant-association-era-edta-and-the-hypertension-and-the-kidney-working
#5
Pantelis A Sarafidis, Alexandre Persu, Rajiv Agarwal, Michel Burnier, Peter de Leeuw, Charles J Ferro, Jean-Michel Halimi, Gunnar H Heine, Michel Jadoul, Faical Jarraya, Mehmet Kanbay, Francesca Mallamaci, Patrick B Mark, Alberto Ortiz, Gianfranco Parati, Roberto Pontremoli, Patrick Rossignol, Luis Ruilope, Patricia Van der Niepen, Raymond Vanholder, Marianne C Verhaar, Andrzej Wiecek, Gregoire Wuerzner, Gérard M London, Carmine Zoccali
In patients with end-stage renal disease (ESRD) treated with haemodialysis or peritoneal dialysis, hypertension is common and often poorly controlled. Blood pressure (BP) recordings obtained before or after haemodialysis display a J- or U-shaped association with cardiovascular events and survival, but this most likely reflects the low accuracy of these measurements and the peculiar haemodynamic setting related to dialysis treatment. Elevated BP detected by home or ambulatory BP monitoring is clearly associated with shorter survival...
March 13, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28337245/multifarious-beneficial-effect-of-nonessential-amino-acid-glycine-a-review
#6
REVIEW
Meerza Abdul Razak, Pathan Shajahan Begum, Buddolla Viswanath, Senthilkumar Rajagopal
Glycine is most important and simple, nonessential amino acid in humans, animals, and many mammals. Generally, glycine is synthesized from choline, serine, hydroxyproline, and threonine through interorgan metabolism in which kidneys and liver are the primarily involved. Generally in common feeding conditions, glycine is not sufficiently synthesized in humans, animals, and birds. Glycine acts as precursor for several key metabolites of low molecular weight such as creatine, glutathione, haem, purines, and porphyrins...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28336790/prioritizing-functional-capacity-as-a-principal-end-point-for-therapies-oriented-to-older-adults-with-cardiovascular-disease-a-scientific-statement-for-healthcare-professionals-from-the-american-heart-association
#7
REVIEW
Daniel E Forman, Ross Arena, Rebecca Boxer, Mary A Dolansky, Janice J Eng, Jerome L Fleg, Mark Haykowsky, Arshad Jahangir, Leonard A Kaminsky, Dalane W Kitzman, Eldrin F Lewis, Jonathan Myers, Gordon R Reeves, Win-Kuang Shen
Adults are living longer, and cardiovascular disease is endemic in the growing population of older adults who are surviving into old age. Functional capacity is a key metric in this population, both for the perspective it provides on aggregate health and as a vital goal of care. Whereas cardiorespiratory function has long been applied by cardiologists as a measure of function that depended primarily on cardiac physiology, multiple other factors also contribute, usually with increasing bearing as age advances...
March 23, 2017: Circulation
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
#8
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/28329305/association-between-spousal-suicide-and-mental-physical-and-social-health-outcomes-a-longitudinal-and-nationwide-register-based-study
#9
Annette Erlangsen, Bo Runeson, James M Bolton, Holly C Wilcox, Julie L Forman, Jesper Krogh, M Katherine Shear, Merete Nordentoft, Yeates Conwell
Importance: Bereavement after spousal suicide has been linked to mental disorders; however, a comprehensive assessment of the effect of spousal suicide is needed. Objective: To determine whether bereavement after spousal suicide was linked to an excessive risk of mental, physical, and social health outcomes when compared with the general population and spouses bereaved by other manners. Design, Setting, and Participants: This nationwide, register-based cohort study conducted in Denmark of 6...
March 22, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28329227/incident-cardiovascular-events-and-death-in-individuals-with-restless-legs-syndrome-or-periodic-limb-movements-in-sleep-a-systematic-review
#10
Tetyana Kendzerska, Maneesha Kamra, Brian J Murray, Mark I Boulos
Study Objectives: To systematically review the current evidence examining restless legs syndrome (RLS) and periodic limb movements (PLMS) as prognostic factors for all-cause mortality and incident cardiovascular events (CVE) in longitudinal studies published in the adult population. Methods: All English language studies (from 1947 to 2016) found through Medline and Embase, as well as bibliographies of identified articles, were considered eligible. Quality was evaluated using published guidelines...
February 9, 2017: Sleep
https://www.readbyqxmd.com/read/28329042/longitudinal-cardiovascular-outcomes-of-sleep-disordered-breathing-in-children-a-meta-analysis-and-systematic-review
#11
Zarmina Ehsan, Stacey L Ishman, Thomas R Kimball, Nanhua Zhang, Yuanshu Zou, Raouf S Amin
Objectives: The presence of sleep disordered breathing (SDB) is known to impact long-term cardiovascular morbidity in adults; however, the long-term effects in children are poorly understood. We aimed to systematically review and synthesize studies published to date on the long-term effects of SDB in children. Study Design: Meta-analysis and systematic review using PubMed, CINAHL,Embase and Scopus (all indexed years). Methods: We searched for English-language articles containing original human data from prospective studies, with ≥7 participants, in children ≤18 years of age...
January 28, 2017: Sleep
https://www.readbyqxmd.com/read/28327146/association-between-obstructive-sleep-apnea-severity-and-endothelial-dysfunction-in-patients-with-type-2-diabetes
#12
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
#13
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
#14
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
#15
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
#16
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/28298397/predictors-of-obstructive-sleep-apnoea-in-patients-admitted-for-acute-coronary-syndrome
#17
Jordi de Batlle, Cecilia Turino, Alicia Sánchez-de-la-Torre, Jorge Abad, Joaquín Duran-Cantolla, R Douglas McEvoy, Nick A Antic, Olga Mediano, Valentín Cabriada, Maria José Masdeu, Joaquín Teran, Joan Valls, Ferran Barbé, Manuel Sánchez-de-la-Torre
Identifying undiagnosed obstructive sleep apnoea (OSA) patients in cardiovascular clinics could improve their management. Aiming to build an OSA predictive model, a broad analysis of clinical variables was performed in a cohort of acute coronary syndrome (ACS) patients.Sociodemographic, anthropometric, life-style and pharmacological variables were recorded. Clinical measures included blood pressure, electrocardiography, echocardiography, blood count, troponin levels and a metabolic panel. OSA was diagnosed using respiratory polygraphy...
March 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28297810/-the-sleep-apnea-cardiovascular-endpoint-save-study-implications-for-health-services-and-sleep-research-in-china
#18
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
#19
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
#20
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
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