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https://www.readbyqxmd.com/read/28422847/correlation-between-calpain-10-single-nucleotide-polymorphisms-and-obstructive-sleep-apnea-hypopnoea-syndrome-with-ischemic-stroke-in-a-chinese-population-a-population-based-study
#1
Wei Zhang, Zhi-Ru Zhao, Chang-Fei Dai, Rong Zhang, Jie Chen, Hui-Juan Tian, Yun-Long Wang, Ji-Hong Sun, Qiu-Fang Lian
BACKGROUND: Obstructive sleep apnea-hypopnea syndrome (OSAHS) is a common chronic disorder which is followed by various complications. Calpain-10 belongs to a commonly expressed member of the Calpain-like cysteine protease family, which acts as risk marker for some diseases. The purpose of this study is to elucidate correlation between Calpain-10 single-nucleotide polymorphisms (SNPs) and the incidence of OSAHS followed by ischemic stroke (IS). METHODS: OSAHS patients were divided as OSAHS + IS, OSAHS, and control groups, respectively...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28421375/obstructive-sleep-apnea-increases-the-risk-of-cardiac-events-after-percutaneous-coronary-intervention-a-meta-analysis-of-prospective-cohort-studies
#2
REVIEW
Hua Qu, Ming Guo, Ying Zhang, Da-Zhuo Shi
PURPOSE: Recent studies have shown an association between obstructive sleep apnea (OSA) and coronary artery disease; however, the association between OSA and cardiac outcomes in patients after percutaneous coronary intervention (PCI) remains undetermined. METHODS: PubMed, EMBASE, and CENTRAL were searched from inception to July 2016 for cohort studies that followed up with patients after PCI, and evaluated their overnight sleep patterns within 1 month for major adverse cardiac events (MACEs) as primary outcomes including cardiac death, non-fatal myocardial infarction (MI), and coronary revascularization and secondary outcomes including re-admission for heart failure and stroke...
April 18, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28416405/development-validation-and-assessment-of-an-ischemic-stroke-or-transient-ischemic-attack-specific-prediction-tool-for-obstructive-sleep-apnea
#3
Jason J Sico, H Klar Yaggi, Susan Ofner, John Concato, Charles Austin, Jared Ferguson, Li Qin, Lauren Tobias, Stanley Taylor, Carlos A Vaz Fragoso, Vincent McLain, Linda S Williams, Dawn M Bravata
BACKGROUND: Screening instruments for obstructive sleep apnea (OSA), as used routinely to guide clinicians regarding patient referral for polysomnography (PSG), rely heavily on symptomatology. We sought to develop and validate a cerebrovascular disease-specific OSA prediction model less reliant on symptomatology, and to compare its performance with commonly used screening instruments within a population with ischemic stroke or transient ischemic attack (TIA). METHODS: Using data on demographic factors, anthropometric measurements, medical history, stroke severity, sleep questionnaires, and PSG from 2 independently derived, multisite, randomized trials that enrolled patients with stroke or TIA, we developed and validated a model to predict the presence of OSA (i...
April 14, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28416047/clarifying-the-role-of-hypoxia-in-obstructive-sleep-apnea-as-a-potential-promulgator-of-atrial-fibrillation-in-ischemic-stroke
#4
Reena Mehra, James Bena, Harneet K Walia
No abstract text is available yet for this article.
April 12, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/28386781/diagnosing-and-managing-sleep-apnea-in-patients-with-chronic-cerebrovascular-disease-a-randomized-trial-of-a-home-based-strategy
#5
Dawn M Bravata, Vincent McClain, Charles Austin, Jared Ferguson, Nicholas Burrus, Edward J Miech, Marianne S Matthias, Neale Chumbler, Susan Ofner, Brian Foresman, Jason Sico, Carlos A Vaz Fragoso, Linda S Williams, Rajiv Agarwal, John Concato, H Klar Yaggi
BACKGROUND: Obstructive sleep apnea is common and associated with poor outcomes after stroke or transient ischemic attack (TIA). We sought to determine whether the intervention strategy improved sleep apnea detection, obstructive sleep apnea (OSA) treatment, and hypertension control among patients with chronic cerebrovascular disease and hypertension. METHODS: In this randomized controlled strategy trial intervention, patients received unattended polysomnography at baseline, and patients with OSA (apnea-hypopnea index ≥5 events/h) received auto-titrating continuous positive airway pressure (CPAP) for up to 1 year...
April 6, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28380133/association-between-obstructive-sleep-apnea-and-myocardial-infarction-a-systematic-review
#6
Fernanda Porto, Yuri Saho Sakamoto, Cristina Salles
Obstructive sleep apnea (OSA) has been associated to cardiovascular risk factors. However, the association between OSA and cardiovascular disease is still controversial. The objective of the present study was to verify the association between OSA and myocardial infarction (MI). This is a systematic review of the literature performed through electronic data sources MEDLINE/PubMed, PubMed Central, Web of Science and BVS -Biblioteca Virtual em Saúde (Virtual Health Library). The descriptors used were: 'obstructive sleep apnea' AND 'polysomnography' AND 'myocardial infarction' AND 'adults NOT 'treatment...
March 30, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28376127/the-doc-screen-feasible-and-valid-screening-for-depression-obstructive-sleep-apnea-osa-and-cognitive-impairment-in-stroke-prevention-clinics
#7
Richard H Swartz, Megan L Cayley, Krista L Lanctôt, Brian J Murray, Ashley Cohen, Kevin E Thorpe, Michelle N Sicard, Karen Lien, Demetrios J Sahlas, Nathan Herrmann
BACKGROUND: Post-stroke Depression, Obstructive sleep apnea (OSA) and Cognitive impairment ("DOC") are associated with greater mortality, worse recovery and poorer quality of life. Best practice recommendations endorse routine screening for each condition; yet, all are under-assessed, diagnosed and treated. We seek to determine the feasibility and validity of an integrated tool ("DOC" screen) to identify stroke clinic patients at high-risk of depression, OSA, and cognitive impairment...
2017: PloS One
https://www.readbyqxmd.com/read/28374233/neurological-deficits-in-obstructive-sleep-apnea
#8
REVIEW
Luigi Ferini-Strambi, Giulia Elisabetta Lombardi, Sara Marelli, Andrea Galbiati
Obstructive sleep apnea (OSA) is the most common sleep-related breathing disorder characterized by repetitive episodes of complete or partial obstruction of the upper airway. The prevalence of this disorder is strictly dependent on its gravity. At ≥15 events/h apnea-hypopnea index (AHI), it ranges from 6 to 17% in the general population, with higher rates in men and increasing with age. The hypoxia induced by OSA severely affects the structure and function of blood vessels, culminating in mortality and morbidity...
April 2017: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/28366325/spontaneous-improvement-in-both-obstructive-sleep-apnea-and-cognitive-impairment-after-stroke
#9
J Slonkova, M Bar, P Nilius, D Berankova, D Salounova, K Sonka
BACKGROUND: Knowledge available about the relationship between obstructive sleep apnea (OSA) and cognitive impairment after stroke is limited. The evolution of OSA and cognitive performance after stroke is not sufficiently described. METHODS: We prospectively enrolled and examined acute stroke patients without previously diagnosed OSA. The following information was collected: (1) demographics, (2) sleep cardio-respiratory polygraphy (PG) at 72 h, day seven, month three, and month 12 after stroke, (3) post-stroke functional disability tests at entry and at months three and 12, and (4) cognition (attention and orientation, memory, verbal fluency, language, and visual-spatial abilities) using the revised Addenbrooke's Cognitive Examination (ACE-R) at months three and 12...
April 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28362813/a-novel-adjustable-automated-system-for-inducing-chronic-intermittent-hypoxia-in-mice
#10
Dora Polšek, Marcel Bago, Marija Živaljić, Ivana Rosenzweig, Zsombor Lacza, Srećko Gajović
BACKGROUND: Sleep apnea is a chronic, widely underdiagnosed condition characterized by disruption of sleep architecture and intermittent hypoxia due to short cessations of breathing. It is a major independent risk factor for myocardial infarction, congestive heart failure and stroke as well as one of the rare modifiable risk factors for Alzheimer's Dementia. Reliable animal disease models are needed to understand the link between sleep apnea and the various clinically linked disorders...
2017: PloS One
https://www.readbyqxmd.com/read/28356180/nocturnal-desaturation-is-associated-with-atrial-fibrillation-in-patients-with-ischemic-stroke-and-obstructive-sleep-apnea
#11
Chung-Yao Chen, Chien-Hui Ho, Chia-Ling Chen, Chung-Chieh Yu
STUDY OBJECTIVES: Both atrial fibrillation (AF) and obstructive sleep apnea (OSA) are risk factors for ischemic stroke. Previous studies suggested that OSA is associated with AF in individuals who have not had a stroke. For better secondary prevention of stroke, this study determined the association between OSA and AF among patients with ischemic stroke. METHODS: This cross-sectional study recruited consecutive patients with subacute ischemic stroke admitted for neurorehabilitation...
March 14, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/28355753/-effect-of-obstructive-sleep-apnea-on-sleep-architecture-of-acute-ischemic-stroke-patients
#12
Y N Xu, J Li, J Y Huang, C Zhu, C J Mao, Y Shen, C F Liu
Objective: To investigate the effect of obstructive sleep apnea (OSA) on sleep architecture in acute ischemic stroke (AIS) patients. Methods: Seventy AIS patients with polysomnography examination from June 2014 to April 2016 were included in the Second Affiliated Hospital of Soochow University. Twenty-seven healthy controls during the same period were chosen as control group. According to apnea-hypopnea index (AHI), AIS patients were divided into AIS group (AHI<5/h) and AIS+ OSA group (AHI≥5/h). Their general conditions, Neurological function defect (national institutes of health stroke scale, NIHSS) on admission and at discharge and self-care ability (modified Rankin Scale, mRS) at discharge and 3 months later (mRS score <2 reflected good prognosis, and mRS score≥2 reflected unfavorable prognosis) were collected...
March 28, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28338434/coexistence-of-obstructive-sleep-apnea-worsens-the-overall-outcome-of-intracranial-aneurysm-a-pioneer-study
#13
Shyamal C Bir, Anil Nanda, Hugo Cuellar, Hai Sun, Bharat Guthikonda, Cesar Liendo, Alireza Minagar, Oleg Y Chernyshev
OBJECTIVE Obstructive sleep apnea (OSA) is associated with the progression of abdominal and thoracic aortic aneurysms. However, the role of OSA in the overall outcome of intracranial aneurysms (IAs) has not yet been established. Authors of this report investigated the role of OSA in the overall outcome of IAs. METHODS Radiological and clinical data on patients (from 2010 through 2015) with confirmed IA were retrospectively reviewed. Significant differences between the OSA and non-OSA groups were determined using a chi-square test...
March 21, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28291701/obstructive-sleep-apnea-exaggerates-cognitive-dysfunction-in-stroke-patients
#14
Yan Zhang, Wanhua Wang, Sijie Cai, Qi Sheng, Shenggui Pan, Fang Shen, Qing Tang, Yang Liu
BACKGROUND: Obstructive sleep apnea (OSA) is very common in stroke survivors. It potentially worsens the cognitive dysfunction and inhibits their functional recovery. However, whether OSA independently damages the cognitive function in stroke patients is unclear. A simple method for evaluating OSA-induced cognitive impairment is also missing. METHODS: Forty-four stroke patients six weeks after onset and 24 non-stroke patients with snoring were recruited for the polysomnographic study of OSA and sleep architecture...
February 4, 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28287278/carotid-intima-media-thickness-is-not-associated-with-homocysteine-and-vitamin-d-levels-in-obstructive-sleep-apnea
#15
Katarína Klobučníková, Pavel Šiarnik, Monika Siváková, Helena Wágnerová, Imrich Mucska, Branislav Kollár, Peter Turčáni
Obstructive sleep apnea syndrome (OSA) is associated with increased vascular morbidity. Accelerated atherosclerosis might be one of the most important mechanisms linking OSA with the development of vascular disorders. Homocysteine (HCY) and vitamin D has been associated with atherogenesis. The aim of this study was to assess a possible association between the levels of HCY and vitamin D and the carotid intima-media thickness (cIMT), which is a known marker for subclinical atherosclerosis in patients with OSA...
March 13, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28243782/pulmonary-hypertension-and-echocardiogram-parameters-in-obstructive-sleep-apnea
#16
H T Wong, K H Chee, A W Chong
Obstructive sleep apnea (OSA) is a growing health hazard in the United States and worldwide. OSA is now recognized as a disorder with systemic manifestations and its association with obesity and adverse cardiovascular consequences. There is increasing evidence that OSA may be associated with systemic hypertension and an increased incidence of stroke, heart failure, myocardial infarction, and arrhythmias. Less information is available about the association between OSA and pulmonary hypertension (PH). We therefore conduct this study to look at the prevalence of the pulmonary hypertension in obstructive sleep apnea patient and to identify risk factors leading to pulmonary hypertension among OSA patient...
February 27, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28215270/decreased-cerebral-vasomotor-reactivity-in-patients-with-obstructive-sleep-apnea-syndrome
#17
Oguzhan Oz, Serdar Tasdemir, Hakan Akgun, Murat Erdem, Adem Balikci, Ahmet Cetiz, Mehmet Yucel, Umit Hidir Ulas, Seref Demirkaya, Yasar Kutukcu, Fuat Özgen
OBJECTIVE: In obstructive sleep apnea syndrome (OSAS), any of the activated neural, vascular, hemodynamic, metabolic, inflammatory, and thrombotic mechanisms may be related to increased cerebrovascular disease and risk of death; however, the possible pathophysiological process between obstructive sleep apnea syndrome and stroke has not been clearly explained. We hypothesize that alterations in vasomotor reactivity in patients may be responsible for their altered cerebral blood flow, and may contribute to the increased risk of ischemic stroke...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28215260/moderate-to-severe-obstructive-sleep-apnea-is-associated-with-cerebral-small-vessel-disease
#18
Tae-Jin Song, Jung-Hyun Park, Kang Hyun Choi, Yoonkyung Chang, Jangsup Moon, Ju-Hee Kim, Yunseo Choi, Yong-Jae Kim, Hyang Woon Lee
BACKGROUND: Cerebral small vessel disease (SVD) is associated with increased risk of cerebral infarction and hemorrhage. Obstructive sleep apnea (OSA) is known to increase the risk of cerebrovascular disease. This study aimed to investigate the association between cerebral SVD and severity of OSA. METHODS: A total of 170 patients were included from the patient registry at the present Sleep Center; these patients underwent both magnetic resonance imaging (MRI) of the brain and polysomnography (PSG) for suspected OSA...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28205227/impact-of-obstructive-sleep-apnea-on-neurological-recovery-after-ischemic-stroke-a-prospective-study
#19
D Menon, S Sukumaran, R Varma, A Radhakrishnan
OBJECTIVES: The presence of obstructive sleep apnea (OSA) has been found to adversely affect the neurological recovery after acute ischemic stroke (AIS) in previous observational studies. However, in most of these studies, diagnosis of OSA was based on oximetry data alone, raising concern in the accuracy of diagnosis as well as estimation of severity. Purpose of our study was to determine the prevalence and severity of OSA (based on polysomnography and American Association of Sleep Medicine [AASM] criteria) in patients with AIS and to compare the post-stroke neurological and functional outcome, in those with and without OSA...
February 15, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28168435/is-obstructive-sleep-apnea-associated-with-the-presence-of-intracranial-cerebral-atherosclerosis
#20
Tae-Jin Song, Jung-Hyun Park, Kang Hyun Choi, Ju-Hee Kim, Yunseo Choi, Yoonkyung Chang, Hyeon Jin Kim, Jangsup Moon, Yong-Jae Kim, Hyang Woon Lee
PURPOSE: Intracranial cerebral atherosclerosis (ICAS) is one of critical atherosclerosis which closely related with stroke. Obstructive sleep apnea (OSA) is associated with systemic atherosclerosis, but it is unclear whether OSA is related with the presence of ICAS. We aimed to investigate the association between the presence of ICAS and severity of OSA in patients with suspected OSA. METHODS: This retrospective, cross-sectional study included 283 patients who suspected OSA (presence of one or more OSA-related symptom and high-risk category in Berlin questionnaire) and underwent polysomnography and brain magnetic resonance angiography (MRA)...
February 7, 2017: Sleep & Breathing, Schlaf & Atmung
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