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https://www.readbyqxmd.com/read/27923433/circulating-anti-coatomer-protein-complex-subunit-epsilon-cope-autoantibodies-as-a-potential-biomarker-for-cardiovascular-and-cerebrovascular-events-in-patients-with-obstructive-sleep-apnea
#1
Takuma Matsumura, Jiro Terada, Taku Kinoshita, Yoriko Sakurai, Misuzu Yahaba, Ryogo Ema, Atsuko Amata, Seiichiro Sakao, Kengo Nagashima, Koichiro Tatsumi, Takaki Hiwasa
STUDY OBJECTIVES: Although moderate to severe obstructive sleep apnea (OSA) is an independent risk factor for severe arteriosclerotic diseases such as cardiovascular disease (CVD) and stroke, the development of atherosclerosis-related diseases cannot yet be predicted in OSA patients. In a pilot study, we identified autoantibodies against the coatomer protein complex, subunit epsilon [circulating anti-coatomer protein complex subunit epsilon autoantibody (COPE-Ab)], a cytosolic complex that mediates protein transport in the Golgi compartment, as a potential novel biomarker of atherosclerosis...
November 28, 2016: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/27822340/stem-progenitor-cells-and-obstructive-sleep-apnea-syndrome-new-insights-for-clinical-applications
#2
REVIEW
Miruna Mihaela Micheu, Ana-Maria Rosca, Oana-Claudia Deleanu
Obstructive sleep apnea syndrome (OSAS) is a widespread disorder, characterized by recurrent upper airway obstruction during sleep, mostly as a result of complete or partial pharyngeal obstruction. Due to the occurrence of frequent and regular hypoxic events, patients with OSAS are at increased risk of cardiovascular disease, stroke, metabolic disorders, occupational errors, motor vehicle accidents and even death. Thus, OSAS has severe consequences and represents a significant economic burden. However, some of the consequences, as well as their costs can be reduced with appropriate detection and treatment...
October 26, 2016: World Journal of Stem Cells
https://www.readbyqxmd.com/read/27754232/os-33-08-obstructive-sleep-apnea-promotes-cardiovascular-risk-in-hypertensive-populations-a-cross-sectional-study
#3
Anping Cai, Ling Wang, Yingling Zhou, Jiyan Chen, Yingqing Feng, Qi Zhong
OBJECTIVE: Current study sought to evaluate the effects of obstructive sleep apnea (OSA) plus hypertension (HTN) on prevalent cardiovascular diseases (CVD). DESIGN AND METHOD: This was a cross-sectional study and a total of 1889 subjects were enrolled. The apnea-hypopnea index (AHI) was measured by polysomnography and OSA degree was classified as mild (AHI 5-14.9) and moderate-severe (AHI ≥ 15), and AHI < 5 was considered no-OSA. Mean and lowest oxyhemoglobin saturation (SaO2) was detected by pulse oximetry...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27753975/os-12-02-sleep-apnea-cardiovascular-endpoints-save-study-an-international-randomised-controlled-trial-to-determine-whether-continuous-positive-airways-pressure-treatment-for-obstructive-sleep-apnea-in-patients-with-cv-disease-prevents-secondary-cardiovascular
#4
Craig Anderson, Doug McEvoy, Jiguang Wang
OBJECTIVE: There is uncertainty over whether treatment of obstructive sleep apnea (OSA) can prevent serious cardiovascular (CV) events. DESIGN AND METHOD: SAVE (NCT00738179; ACTRN12608000409370) was designed to determine whether treatment of OSA with CPAP reduces the risk of serious CV events in patients with established CV disease. Participants were centrally randomised to CPAP treatment or usual care between 2008 and 2013,with follow-up completed late 2015 and the results will be announced in August 2016...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27753946/os-07-02-differences-in-circadian-blood-pressure-variability-patterns-between-japanese-and-american-treatment-resistant-hypertensive-populations
#5
Kazuomi Kario, Deepak Bhatt, Sandeep Brar, George Bakris
OBJECTIVE: Dynamic changes in 24-hour ambulatory blood pressure (BP) are associated with basal autonomic function and cardiovascular risk. We examined the influence of ethnicity on these parameters by comparing ambulatory BP dynamics in Japanese, African American (AA), and white populations with treatment-resistant hypertension. DESIGN AND METHOD: Both HTN-Japan (N = 41) and SYMPLICITY HTN-3 (N = 384 white and 140 AA) enrolled patients with office systolic BP ≥ 160 mmHg and 24-hour ambulatory systolic BP ≥ 135 mmHg while on ≥3 antihypertensive medications...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27753839/sy-06-3-role-of-surgical-treatment-of-morbid-obesity
#6
Wei-Jei Lee
Obesity is a pan-endemic health problem in both developed and developing countries, in both western and eastern countries. It increases risk for many common diseases, including type 2 diabetes, dyslipidemia, hypertension, obstructive sleep apnea, heart disease, stroke, asthma, osteoarthritis, cancers and depression etc.. Although the incidence of obesity in Asia is relatively low, Asian patients tend to have similar incidence of obesity related metabolic syndrome at lower BMI level comparing to Caucasians because of central obesity...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27753673/a-narrative-review-of-how-sleep-related-breathing-disorders-and-cardiovascular-diseases-are-linked-an-update-for-advanced-practice-registered-nurses
#7
Chooza Moon, Cynthia H Phelan, Diane R Lauver, Lisa C Bratzke
PURPOSE/OBJECTIVES: Sleep-related breathing disorders (SRBDs), including obstructive sleep apnea and central sleep apnea, are common among patients with cardiovascular disease (CVD), but clinicians often do not pay enough attention to SRBDs. The purpose of this narrative review is to update advanced practice registered nurses on the literature focusing on the relationship between SRBDs and CVD (eg, hypertension, heart failure, coronary artery disease, arrhythmias, and stroke) and on treatments that can improve SRBDs in patients with CVD...
November 2016: Clinical Nurse Specialist CNS
https://www.readbyqxmd.com/read/27748200/statins-may-prevent-atherosclerotic-disease-in-osa-patients-without-co-morbidities
#8
Domenico Maurizio Toraldo, Michele De Benedetto, Luana Conte, Francesco De Nuccio
Obstructive sleep apnea (OSA) is characterized by repetitive interruptions of breathing, causing a Chronic Intermittent Hypoxia (CIH) that can be a key step in the development and progression of cardiovascular diseases. Nowadays, in fact, there is scientific evidence showing the close relationship between OSA and atherosclerosis, even in those patients who do not show co-morbidities such as hypertension, diabetes, high levels of low-density lipoprotein (LDL), cigarette smoking and obesity, which normally are able to activate the endothelium...
October 7, 2016: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/27717683/unattended-hospital-and-home-sleep-apnea-testing-following-cerebrovascular-events
#9
Mark I Boulos, Sara Elias, Anthony Wan, James Im, Fadi Frankul, Mina Atalla, Sandra E Black, Vincenzo S Basile, Arun Sundaram, Julia J Hopyan, Karl Boyle, David J Gladstone, Richard H Swartz, Brian J Murray
BACKGROUND: Home sleep apnea testing (HSAT) is an alternative to polysomnography for the detection of obstructive sleep apnea (OSA). We assessed the feasibility of HSAT as an unattended screening tool for patients with a stroke or transient ischemic attack (TIA). AIMS: The primary outcome was the feasibility of unattended HSAT, as defined by analyzability of the data. Secondary outcomes included determining (1) predictors of obtaining nonanalyzable sleep data and (2) time to OSA detection and continuous positive airway pressure (CPAP) initiation...
October 4, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/27698374/sleep-duration-daytime-napping-markers-of-obstructive-sleep-apnea-and-stroke-in-a-population-of-southern-china
#10
Ye Wen, Fu-Hua Pi, Pi Guo, Wen-Ya Dong, Yu-Qing Xie, Xiang-Yu Wang, Fang-Fang Xia, Shao-Jie Pang, Yan-Chun Wu, Yuan-Yuan Wang, Qing-Ying Zhang
Sleep habits are associated with stroke in western populations, but this relation has been rarely investigated in China. Moreover, the differences among stroke subtypes remain unclear. This study aimed to explore the associations of total stroke, including ischemic and hemorrhagic type, with sleep habits of a population in southern China. We performed a case-control study in patients admitted to the hospital with first stroke and community control subjects. A total of 333 patients (n = 223, 67.0%, with ischemic stroke; n = 110, 23...
October 4, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27690206/the-interaction-of-obesity-and-nocturnal-hypoxemia-on-cardiovascular-consequences-in-adults-with-suspected-obstructive-sleep-apnea-a-historical-observational-study
#11
Tetyana Kendzerska, Richard S Leung, Andrea S Gershon, George Tomlinson, Najib Ayas
RATIONALE: The interrelationships between obstructive sleep apnea (OSA) and obesity are complex and bidirectional; however, current evidence regarding their combined effect on cardiovascular risk is limited and conflicting. Animal studies suggest that obesity may exacerbate the cardiovascular consequences of intermittent hypoxemia. OBJECTIVES: In this historical observational study, we investigated whether obesity increases the effect of nocturnal hypoxemia on the incidence of cardiovascular events in adults with suspected OSA...
December 2016: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/27676746/impaired-control-of-gait-in-patients-with-severe-obstructive-sleep-apnea-is-reversed-by-continuous-positive-airway-pressure-treatment
#12
Sébastien Baillieul, Dominic Perennou, Mathieu Marillier, Jean-Louis Pépin, Samuel Vergès, Bernard Wuyam
OBJECTIVE: Obstructive sleep apnea (OSA) is now widely seen as a major public health issue with widespread societal consequences. In addition to an increased stroke risk, OSA leads to cerebral consequences including cognitive deficits that impair quality of life and daily functioning. In a recent uncontrolled study, moderate-to-severe OSA have been associated with higher stride time variability (STV), reflecting poor gait control (Celle, Annweiler et al., 2014). STV is a clinical marker of cortical gait control linked with cognitive performance and cerebral integrity (Beauchet, Annweiler et al...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27655453/cerebral-microbleeds-on-mri-in-patients-with-obstructive-sleep-apnea
#13
Dae Lim Koo, Jun Yup Kim, Jae-Sung Lim, Hyung-Min Kwon, Hyunwoo Nam
STUDY OBJECTIVES: Obstructive sleep apnea (OSA) is known to increase the risk of stroke. Cerebral microbleeds (CMBs) are considered one of the precursors to symptomatic stroke. We aimed to clarify the relationship between OSA and CMBs. METHODS: We recruited patients who visited our clinic for the evaluation of sleep-disordered breathing. All patients underwent both overnight polysomnography and brain magnetic resonance imaging, which included T2*-weighted gradient-recalled echo images...
September 13, 2016: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/27652812/cardiovascular-consequences-of-obstructive-sleep-apnea
#14
Najib T Ayas, Carolyn M Taylor, Ismail Laher
PURPOSE OF REVIEW: There is an increased awareness of obstructive sleep apnea (OSA) and its potential impact on cardiovascular diseases (CVDs). The number of patients diagnosed with OSA is likely to increase as the obesity epidemic continues to grow. We review recent publications that have examined the links between OSA and CVD. RECENT FINDINGS: The cardiovascular consequences of OSA include hypertension, strokes, atrial fibrillation, and heart failure. It is likely that these are related to OSA-induced changes in endothelial dysfunction, oxidative stress, and systemic inflammation...
November 2016: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/27644162/effects-of-continuous-positive-airway-pressure-and-isocapnic-hypoxia-on-cerebral-autoregulation-in-patients-with-obstructive-sleep-apnoea
#15
Xavier Waltz, Andrew E Beaudin, Patrick J Hanly, Georgios D Mitsis, Marc J Poulin
KEY POINTS: Altered cerebral autoregulation (CA) in obstructive sleep apnoea (OSA) patients may contribute to increased stroke risk in this population; the gold standard treatment for OSA is continuous positive airway pressure, which improves cerebrovascular regulation and may decrease the risk of stroke. Isocapnic-hypoxia impairs CA in healthy subjects, but it remains unknown in OSA whether impaired CA is further exacerbated by isocapnic-hypoxia and whether it is improved by treatment with continuous positive airway pressure...
December 1, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27643192/os-33-08-obstructive-sleep-apnea-promotes-cardiovascular-risk-in-hypertensive-populations-a-cross-sectional-study
#16
Anping Cai, Ling Wang, Yingling Zhou, Jiyan Chen, Yingqing Feng, Qi Zhong
OBJECTIVE: Current study sought to evaluate the effects of obstructive sleep apnea (OSA) plus hypertension (HTN) on prevalent cardiovascular diseases (CVD). DESIGN AND METHOD: This was a cross-sectional study and a total of 1889 subjects were enrolled. The apnea-hypopnea index (AHI) was measured by polysomnography and OSA degree was classified as mild (AHI 5-14.9) and moderate-severe (AHI ≥ 15), and AHI < 5 was considered no-OSA. Mean and lowest oxyhemoglobin saturation (SaO2) was detected by pulse oximetry...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27642934/sy-06-3-role-of-surgical-treatment-of-morbid-obesity
#17
Wei-Jei Lee
Obesity is a pan-endemic health problem in both developed and developing countries, in both western and eastern countries. It increases risk for many common diseases, including type 2 diabetes, dyslipidemia, hypertension, obstructive sleep apnea, heart disease, stroke, asthma, osteoarthritis, cancers and depression etc.. Although the incidence of obesity in Asia is relatively low, Asian patients tend to have similar incidence of obesity related metabolic syndrome at lower BMI level comparing to Caucasians because of central obesity...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27625198/recent-advances-in-the-diagnosis-and-management-of-obstructive-sleep-apnea
#18
Andrea Vianello, Valeria Bisogni, Claudia Rinaldo, Federico Gallan, Giuseppe Maiolino, Fausto Braccioni, Luca Guarda-Nardini, Beatrice Molena, Gian P Rossi, Rosario Marchese-Ragona
Affecting a large number of middle-aged, frequently overweight subjects, obstructive sleep apnea (OSA) is the most common sleep related breathing disorder. Partial or complete upper airway (UA) collapse during sleep causing repeated apneic episodes, which is the leading pathophysiological mechanism underlying the disorder, results in arterial oxygen desaturation and recurrent arousals from sleep to re-establish airway patency. Untreated OSA is commonly associated with a range of adverse consequences, including cardiovascular complications, such as arterial and/or pulmonary hypertension, arrhythmias, stroke, as well as diabetes mellitus and metabolic syndrome, and motor vehicle accidents...
December 2016: Minerva Medica
https://www.readbyqxmd.com/read/27610447/surgery-for-adult-patients-with-obstructive-sleep-apnoea-a-review-for-general-practitioners
#19
Nga T Phan, Benjamin Wallwork, Benedict Panizza
BACKGROUND: Obstructive sleep apnoea (OSA) is a complex disease process that involves collapse of the upper airway during sleep and subsequent reduction or cessation of airflow. Continuous positive airway pressure (CPAP) is the primary treatment for OSA and is the recommended first-line treatment for patients with moderate-to-severe forms of the disease. However, some patients are unable to tolerate CPAP or are unwilling to accept it as a form of permanent management. In these cases, surgical management aimed at addressing anatomical obstruction may be useful and warranted...
August 2016: Australian Family Physician
https://www.readbyqxmd.com/read/27602807/pressure-monitoring-of-the-mueller-maneuver-our-experience-in-twenty-five-obstructive-sleep-apnea-hypopnoea-syndrome-patients-with-oropharyngeal-obstruction
#20
Jacopo Cambi, Paola Staffa, Maria Carla Spinosi
Obstructive Sleep Apnea Hypopnoea Syndrome (OSAHS) is a common disorder characterized by partial (hypopnoea) or total (apnea) closure of the upper airways during sleep. It is associated with hypertension, stroke, car accidents, diabetes, metabolic syndrome and depression. Although this disease is related to major morbidity and mortality(1) , the prevalence of OSAHS is underestimated. The physiopathology of OSAHS is multifactorial and not yet fully understood. Numerous pathophysiological risk factors have been recognized: anatomical abnormalities, impaired upper airway dilators, unstable respiratory control and diminished arousal threshold...
September 7, 2016: Clinical Otolaryngology
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