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sleep apnea arrhythmia

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https://www.readbyqxmd.com/read/28386925/vagus-nerve-stimulation-surgical-technique-of-implantation-and-revision-and-related-morbidity
#1
Flavio Giordano, Anna Zicca, Carmen Barba, Renzo Guerrini, Lorenzo Genitori
Indications for vagus nerve stimulation (VNS) therapy include focal, multifocal epilepsy, drop attacks (tonic/atonic seizures), Lennox-Gastaut syndrome, tuberous sclerosis complex (TSC)-related multifocal epilepsy, and unsuccessful resective surgery. Surgical outcome is about 50-60% for seizures control, and may also improve mood, cognition, and memory. On this basis, VNS has also been proposed for the treatment of major depression and Alzheimer's' disease. The vagus nerve stimulator must be implanted with blunt technique on the left side to avoid cardiac side effects through the classic approach for anterior cervical discectomy...
April 2017: Epilepsia
https://www.readbyqxmd.com/read/28318659/cardiovascular-and-general-health-status-of-adults-with-trisomy-21
#2
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/28289401/sleep-disorders-is-the-trigemino-cardiac-reflex-a-missing-link
#3
REVIEW
Tumul Chowdhury, Barkha Bindu, Gyaninder Pal Singh, Bernhard Schaller
Trigeminal innervated areas in face, nasolacrimal, and nasal mucosa can produce a wide array of cardiorespiratory manifestations that include apnea, bradypnea, bradycardia, hypotension, and arrhythmias. This reflex is a well-known entity called "trigemino-cardiac reflex" (TCR). The role of TCR is investigated in various pathophysiological conditions especially in neurosurgical, but also skull base surgery procedures. Additionally, its significance in various sleep-related disorders has also been highlighted recently...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28243782/pulmonary-hypertension-and-echocardiogram-parameters-in-obstructive-sleep-apnea
#4
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/28218286/vinculin-variant-m94i-identified-in-sudden-unexplained-nocturnal-death-syndrome-decreases-cardiac-sodium-current
#5
Jianding Cheng, John W Kyle, Brandi Wiedmeyer, Di Lang, Ravi Vaidyanathan, Jonathan C Makielski
Sudden unexplained nocturnal death syndrome (SUNDS) remains an autopsy negative disorder with unclear etiology. Vinculin (VCL) was linked to sudden arrhythmia death in VCL knockout mice prior to the appearance of cardiomyopathy. We hypothesized VCL mutations underlie risk for SUNDS. A rare heterozygous variant VCL-M94I was found in a SUNDS victim who suffered sudden nocturnal tachypnea and lacked pathogenic variants in known arrhythmia-causing genes. VCL was identified to interact with SCN5A in vitro/vivo. The VCL-M94I was co-expressed with the cardiac sodium channel in HEK293 cells and also overexpressed in induced pluripotent stem cells derived cardiomyocytes (iPSCs-CM)...
February 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28213507/effect-of-sleep-disordered-breathing-on-appropriate-implantable-cardioverter-defibrillator-therapy-in-patients-with-heart-failure-a-systematic-review-and-meta-analysis
#6
Younghoon Kwon, Ryan J Koene, Osung Kwon, Jessica V Kealhofer, Selcuk Adabag, Sue Duval
BACKGROUND: Patients with heart failure and reduced ejection fraction are at increased risk of malignant ventricular arrhythmias. Implantable cardioverter-defibrillator (ICD) is recommended to prevent sudden cardiac death in some of these patients. Sleep-disordered breathing (SDB) is highly prevalent in this population and may impact arrhythmogenicity. We performed a systematic review and meta-analysis of prospective studies that assessed the impact of SDB on ICD therapy. METHODS AND RESULTS: Relevant prospective studies were identified in the Ovid MEDLINE, EMBASE, and Google Scholar databases...
February 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28209226/sleep-apnea-types-mechanisms-and-clinical-cardiovascular-consequences
#7
REVIEW
Shahrokh Javaheri, Ferran Barbe, Francisco Campos-Rodriguez, Jerome A Dempsey, Rami Khayat, Sogol Javaheri, Atul Malhotra, Miguel A Martinez-Garcia, Reena Mehra, Allan I Pack, Vsevolod Y Polotsky, Susan Redline, Virend K Somers
Sleep apnea is highly prevalent in patients with cardiovascular disease. These disordered breathing events are associated with a profile of perturbations that include intermittent hypoxia, oxidative stress, sympathetic activation, and endothelial dysfunction, all of which are critical mediators of cardiovascular disease. Evidence supports a causal association of sleep apnea with the incidence and morbidity of hypertension, coronary heart disease, arrhythmia, heart failure, and stroke. Several discoveries in the pathogenesis, along with developments in the treatment of sleep apnea, have accumulated in recent years...
February 21, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28181212/prevalence-and-characteristic-of-osafed-syndrome-in-atrial-fibrillation-primary-care-patients
#8
Jacek Wolf, Tadeusz Dereziński, Anna Szyndler, Krzysztof Narkiewicz
BACKGROUND: Atrial fibrillation (AF) constitutes the most prevalent arrhythmia affecting up-to 2% percent of general population. Apart from well-established risk factors which increase the odds for the development of AF e.g. age or arterial hypertension, recent analyses indicated that obstructive sleep apnea (OSA) may independently, negatively modify arrhythmia occurrence profile. Concurrently, erectile dysfunction (ED) is commonly neglected, potent marker of cardiovascular risk which considerably worsens men's psychological state...
February 9, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28154583/renal-denervation-for-chronic-heart-failure-background-and-pathophysiological-rationale
#9
REVIEW
Michael Böhm, Sebastian Ewen, Felix Mahfoud
The activation of the sympathetic nervous system is associated with cardiovascular hospitalizations and death in heart failure. Renal denervation has been shown to effectively reduce sympathetic overdrive in certain patients with uncontrolled hypertension. Pilot trials investigating renal denervation as a potential treatment approach for heart failure were initiated. Heart failure comorbidities like obstructive sleep apnea, metabolic syndrome and arrhythmias could also be targets for renal denervation, because these occurrences are also mediated by the activation of the sympathetic nervous system...
January 2017: Korean Circulation Journal
https://www.readbyqxmd.com/read/28132683/probability-of-accurate-heart-failure-diagnosis-and-the-implications-for-hospital-readmissions
#10
Sandra A Carey, Kyle Bass, Giovanna Saracino, Cara A East, Joost Felius, Paul A Grayburn, Ravi C Vallabhan, Shelley A Hall
Heart failure (HF) is a complex syndrome with inherent diagnostic challenges. We studied the scope of possibly inaccurately documented HF in a large health care system among patients assigned a primary diagnosis of HF at discharge. Through a retrospective record review and a classification schema developed from published guidelines, we assessed the probability of the documented HF diagnosis being accurate and determined factors associated with HF-related and non-HF-related hospital readmissions. An arbitration committee of 3 experts reviewed a subset of records to corroborate the results...
April 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28126503/-pathophysiology-of-obstructive-sleep-apnea-syndrome-and-its-cardiometabolic-consequences
#11
Marie Destors, Renaud Tamisier, Louis-Marie Galerneau, Patrick Lévy, Jean-Louis Pepin
Obstructive sleep apnoea syndrome (OSAS) is characterized by recurrent partial or complete pharyngeal collapses during sleep. The pathophysiology of OSAS is complex and multifactorial. Factors influencing upper airway patency include a reduction in upper airway dimensions that can result from both anatomical and functional alterations (obesity, fluid shift or maxillo-facial structural changes), and increased pharyngeal collapsibility owing to reduced neuromuscular compensation and lack of the pharyngeal protective reflex during sleep...
January 23, 2017: La Presse Médicale
https://www.readbyqxmd.com/read/28124622/intermittent-hypoxia-causes-nox2-dependent-remodeling-of-atrial-connexins
#12
Joanna Gemel, Zihan Su, Alex Gileles-Hillel, Abdelnaby Khalyfa, David Gozal, Eric C Beyer
BACKGROUND: Obstructive sleep apnea has been linked to the development of heart disease and arrhythmias, including atrial fibrillation. Since altered conduction through gap junction channels can contribute to the pathogenesis of such arrhythmias, we examined the abundance and distributions of the major cardiac gap junction proteins, connexin40 (Cx40) and connexin43 (Cx43) in mice treated with sleep fragmentation or intermittent hypoxia (IH) as animal models of the components of obstructive sleep apnea...
January 17, 2017: BMC Cell Biology
https://www.readbyqxmd.com/read/28040290/obstructive-sleep-and-atrial-fibrillation-pathophysiological-mechanisms-and-therapeutic-implications
#13
REVIEW
Christos A Goudis, Dimitrios G Ketikoglou
Atrial fibrillation (AF) is the commonest arrhythmia in clinical practice and is associated with increased cardiovascular morbidity and mortality. Obstructive sleep apnea (OSA), a common breathing disorder, is an independent risk factor for AF. Several pathophysiological mechanisms, including apnea-induced hypoxia, intrathoracic pressure shifts, sympathovagal imbalance, atrial remodeling, oxidative stress, inflammation and neurohumoral activation have been implicated in the occurrence of AF in OSA patients...
March 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27987225/arrhythmias-in-adults-with-congenital-heart-disease-what-are-risk-factors-for-specific-arrhythmias
#14
Rohit S Loomba, Matthew W Buelow, Saurabh Aggarwal, Rohit R Arora, Joshua Kovach, Salil Ginde
INTRODUCTION: An increasing number of patients with congenital heart disease are now surviving into adulthood. This has also led to the emergence of complications from the underlying congenital heart disease, related surgical interventions, and associated combordities. While the prevalence of particular arrhythmias with specific congenital heart disease has been previously described, a detailed analysis of all lesions and a large number of comorbidities has not been previously published...
December 16, 2016: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/27914359/obstructive-sleep-apnea-and-arrhythmia-a-systemic-review
#15
EDITORIAL
Nirav Patel, Caroline Donahue, Abhishek Shenoy, Arpan Patel, Nabil El-Sherif
There is a growing consensus in the scientific community that suggests a strong association between obstructive sleep apnea (OSA) and cardiovascular (CVD) conditions and events, including coronary artery disease, hypertension, arrhythmia, heart failure, and sudden cardiac death. We reviewed evidence on the relationship between OSA and arrhythmia. Our conclusion, based on our review of the literature, is that the evidence supports a strong link between OSA and cardiovascular mortality, which warrants treating OSA...
February 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27909488/atrial-fibrillation-and-sleep-apnea-considerations-for-a-dual-epidemic
#16
REVIEW
Patricia Tung Md, Elad Anter Md
Atrial fibrillation (AF) is the most common cardiac arrhythmia and shares many of the same risk factors as another common clinical condition, sleep apnea. The estimated prevalence of sleep apnea has increased over the past decade, and reflects a parallel increase in the most prominent risk factors of obesity and overweight. Both obstructive and central sleep apnea have been associated with AF in multiple studies, with the risk of AF increasing 2-4-fold compared to those without sleep breathing disorder. Continuous positive airway pressure (CPAP) has been shown to reduce the rate of AF recurrence following catheter ablation in patients with sleep apnea...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27837155/monocyte-count-hdl-cholesterol-ratio-and-cardiovascular-disease-in-patients-with-obstructive-sleep-apnea-syndrome
#17
Handan Inonu Koseoglu, Ahmet Cemal Pazarli, Asiye Kanbay, Osman Demir
BACKGROUND: Obstructive sleep apnea syndrome (OSAS) is an independent risk factor for cardiovascular disease (CVD). Although monocyte to high-density lipoprotein cholesterol ratio (MHR) is increasingly being implicated in cardiovascular morbidity and mortality, no study has attempted to determine the role of MHR in cardiovascular morbidity of patients with OSAS. We aimed to investigate the association between MHR and CVD in patients with OSAS and the relationship between severity of OSAS, polysomnographic parameters, and MHR...
January 1, 2016: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/27800512/chronic-intermittent-hypoxia-and-obstructive-sleep-apnea-an-experimental-and-clinical-approach
#18
REVIEW
Emilia Sforza, Fréderic Roche
Obstructive sleep apnea (OSA) is a prevalent sleep disorder considered as an independent risk factor for cardiovascular consequences, such as systemic arterial hypertension, ischemic heart disease, cardiac arrhythmias, metabolic disorders, and cognitive dysfunction. The pathogenesis of OSA-related consequence is assumed to be chronic intermittent hypoxia (IH) inducing alterations at the molecular level, oxidative stress, persistent systemic inflammation, oxygen sensor activation, and increase of sympathetic activity...
2016: Hypoxia
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
#19
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/27717951/-does-the-presence-of-an-obstructive-sleep-apnea-change-the-indications-for-the-pacemaker-implantation-case-raports
#20
Katarzyna Foryś, Mariusz Foryś, Katarzyna Piotrowicz
The obstructive sleep apnea (OSA) is a mortality risk factor of the cardiovascular system diseases. One of the elements of this relationship is the occurrence of nocturnal cardiac arrhythmias. The arrhytmias in question are resistant to drug therapy so it is suggested to consider electrotherapy. However, the coexistence of OSA and thus recurrent episodes of nocturnal hypoxia, may have significant impact on the diagnosis and the treatment applied as shown in the following cases. In some cases, the decision of electrotherapy should be preceded by the use of therapy with continuous positive airway pressure (CPAP)...
2016: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
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