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Atrial fibrillation and sleep apnea

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https://www.readbyqxmd.com/read/28181212/prevalence-and-characteristic-of-osafed-syndrome-in-atrial-fibrillation-primary-care-patients
#1
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/28178304/atrial-fibrillation-among-patients-under-investigation-for-suspected-obstructive-sleep-apnea
#2
Tijn Hendrikx, Martin Sundqvist, Herbert Sandström, Carin Sahlin, Morteza Rohani, Faris Al-Khalili, Rolf Hörnsten, Anders Blomberg, Per Wester, Mårten Rosenqvist, Karl A Franklin
STUDY OBJECTIVES: Obstructive sleep apnea is common among patients with atrial fibrillation, but the prevalence and risk factors for atrial fibrillation among patients who are being investigated on suspicion of sleep apnea are not well known. The aim of the study was to estimate the prevalence of atrial fibrillation among patients investigated for suspected obstructive sleep apnea and to identify risk factors for atrial fibrillation among them. METHODS: The prevalence of atrial fibrillation was investigated among 201 patients referred for suspected obstructive sleep apnea...
2017: PloS One
https://www.readbyqxmd.com/read/28168435/is-obstructive-sleep-apnea-associated-with-the-presence-of-intracranial-cerebral-atherosclerosis
#3
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
https://www.readbyqxmd.com/read/28159101/screening-for-obstructive-sleep-apnea-in-patients-with-atrial-fibrillation
#4
REVIEW
Pedro R Genta, Luciano F Drager, Geraldo Lorenzi Filho
Obstructive sleep apnea (OSA) and atrial fibrillation (AF) are common conditions in the adult population and independently associated with increased morbidity and mortality. There is evidence, although not definitive, that OSA independently contributes to AF incidence and recurrence. Full polysomnography is expensive and may not be readily available to diagnose all patients with OSA and AF. Several patients with OSA do not present the classical signs and symptoms of OSA, impairing the accuracy of screening questionnaires for OSA...
March 2017: Sleep Medicine Clinics
https://www.readbyqxmd.com/read/28155102/stratification-of-cardiovascular-risk-in-patients-with-atrial-fibrillation-and-obstructive-sleep-apnea-validity-of-the-2mace-score
#5
Anna E Platek, Filip M Szymanski, Krzysztof J Filipiak, Alicja Dudzik-Plocica, Bartosz Krzowski, Grzegorz Karpinski
BACKGROUND: Risk stratification in patients with atrial fibrillation (AF) is critically important because this group is at high risk of mortality and morbidity. One of the comorbidities potentially affecting thromboembolic and total cardiovascular risk is obstructive sleep apnea (OSA). The aim of this study was to determine whether or not patients with atrial fibrillation and concomitant obstructive sleep apnea have a higher predicted cardiovascular risk than those without sleep-disordered breathing...
February 2, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28150280/galectin-3-is-associated-with-coronary-plaque-burden-and-obstructive-sleep-apnea-syndrome-severity
#6
Hamdi Pusuroglu, Umut Somuncu, Ismail Bolat, Ozgur Akgul, Vesile Ornek, Hayriye Ak Yıldırım, Emre Akkaya, Huseyin Karakurt, Aydın Yıldırım, Ayfer Utku Savaş
BACKGROUND: Obstructive sleep apnea syndrome (OSAS) is reported to be associated with hypertension, coronary artery disease, atrial fibrillation, and heart failure. Galectin-3 plays an important role in the regulation of inflammation, development of cardiac fibrosis and remodeling. A significant relationship between galectin-3 and the total number of coronary plaques and the macrocalcified plaque structures of patients with type 2 DM has been reported. AIM: The aim of this study was to investigate the association between galectin-3 level and coronary plaque burden as well as OSAS severity in patients with obstructive sleep apnea syndrome...
February 2, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28143688/sleep-apnea-state-of-the-art
#7
REVIEW
Martin R Cowie
Many patient with, or at risk of, cardiovascular disease have sleep disordered breathing (SDB), which can be either obstructive (with intermittent collapse of the upper airway) or central (episodic loss of respiratory drive). SDB is associated with sleep disturbance, hypoxemia, hemodynamic changes, and sympathetic activation. Such patients have a worse prognosis than those without SDB. Mask-based therapies of positive airway pressure targeted at SDB can improve measures of sleep quality and partially normalize the sleep and respiratory physiology, but recent randomized trials of cardiovascular outcomes in SDB have either been neutral (obstructive sleep apnea) or suggested the possibility of harm, likely from increased sudden death, in central sleep apnea...
December 20, 2016: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28124622/intermittent-hypoxia-causes-nox2-dependent-remodeling-of-atrial-connexins
#8
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/28117479/the-role-of-physical-exercise-in-obstructive-sleep-apnea
#9
Flávio Maciel Dias de Andrade, Rodrigo Pinto Pedrosa
Obstructive sleep apnea (OSA) is a common clinical condition, with a variable and underestimated prevalence. OSA is the main condition associated with secondary systemic arterial hypertension, as well as with atrial fibrillation, stroke, and coronary artery disease, greatly increasing cardiovascular morbidity and mortality. Treatment with continuous positive airway pressure is not tolerated by all OSA patients and is often not suitable in cases of mild OSA. Hence, alternative methods to treat OSA and its cardiovascular consequences are needed...
November 2016: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/28111105/preoperative-treatment-of-obstructive-sleep-apnea-with-positive-airway-pressure-is-associated-with-decreased-incidence-of-atrial-fibrillation-after-cardiac-surgery
#10
Jim K Wong, Edward R Mariano, Anthony G Doufas, Megan J Olejniczak, Clete A Kushida
OBJECTIVE: Based on clinical studies in the nonsurgical population that positive airway pressure (PAP) therapy for patients with obstructive sleep apnea (OSA) provides benefits for those with atrial fibrillation, the authors tested the hypothesis that PAP in patients with OSA reduces the incidence of postoperative atrial fibrillation (POAF) after cardiac surgery. DESIGN: Retrospective analysis. SETTING: Single-center university hospital. PARTICIPANTS: The study comprised 192 patients in sinus rhythm preoperatively who were undergoing nontransplantation or ventricular assist device implantation cardiac surgery requiring cardiopulmonary bypass but not requiring systemic circulatory arrest, with documented PAP adherence from January 2008 to October 2015...
November 14, 2016: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28076341/risk-factors-for-post-coronary-artery-bypass-graft-atrial-fibrillation-role-of-obstructive-sleep-apnea
#11
Amro Qaddoura, Adrian Baranchuk
In this chapter, we start by discussing coronary artery bypass grafting and the most common complication after surgery – post coronary artery bypass grafting atrial fibrillation (PCAF). We then discuss the major risk factors for PCAF, and subsequently conduct an in-depth discussion of obstructive sleep apnea as a risk factor. In this endeavor, we outline how obstructive sleep apnea is diagnosed, its pathophysiological relationship to PCAF, and recent clinical studies investigating the association between obstructive sleep apnea and PCAF...
December 21, 2016: Medwave
https://www.readbyqxmd.com/read/28073884/pacemaker-detected-severe-sleep-apnea-predicts-new-onset-atrial-fibrillation
#12
Andrea Mazza, Maria Grazia Bendini, Raffaele De Cristofaro, Mariolina Lovecchio, Sergio Valsecchi, Giuseppe Boriani
AIMS: Sleep apnea (SA) diagnosed on overnight polysomnography is a risk factor for atrial fibrillation (AF). Advanced pacemakers are now able to monitor intrathoracic impedance for automatic detection of SA events. METHODS AND RESULTS: We enrolled 160 consecutive recipients of a dual-chamber pacemaker endowed with the ApneaScan algorithm (Boston Scientific). If the pacemaker-measured Respiratory Disturbance Index was ≥30 episodes per hour for at least one night during the first week after implantation, SA was defined as severe...
January 10, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28041720/atrial-fibrillation-is-a-major-cause-of-stroke-in-apneic-patients-a-prospective-study
#13
M Poli, P Philip, J Taillard, S Debruxelles, P Renou, J M Orgogozo, F Rouanet, I Sibon
OBJECTIVES: Large prospective studies have established that sleep-disordered breathing (SDB) is associated with an increased incidence of cardiovascular and cerebrovascular diseases. Heterogeneous results have been published about SDB and ischaemic stroke mechanism. The aim of this study was to evaluate the relationship between poststroke apneic syndrome and stroke aetiologies according to the ASCO classification. METHODS: A total of 134 patients with acute ischaemic cerebrovascular events were prospectively included...
March 4, 2016: Sleep Medicine
https://www.readbyqxmd.com/read/28040290/obstructive-sleep-and-atrial-fibrillation-pathophysiological-mechanisms-and-therapeutic-implications
#14
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/28017934/association-between-sleep-disordered-breathing-and-electrocardiographic-markers-of-atrial-abnormalities-the-mesa-study
#15
Younghoon Kwon, Jeffrey R Misialek, Daniel Duprez, Alvaro Alonso, David R Jacobs, Susan R Heckbert, Susan Redline, Elsayed Z Soliman
AIMS: Electrocardiographic (ECG) markers of left atrial (LA) abnormalities have been linked to increased risk of atrial fibrillation (AF). Sleep disordered breathing (SDB) has been associated with increased risk of AF. We aimed to examine the association of ECG markers of LA abnormalities with SDB. METHODS AND RESULTS: 1546 participants (mean age 67.2 years, 53.4% women, and 63.3% non-whites) from the Multi-Ethnic Study of Atherosclerosis Exam 5 Sleep ancillary study were included in this analysis...
December 25, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/27987225/arrhythmias-in-adults-with-congenital-heart-disease-what-are-risk-factors-for-specific-arrhythmias
#16
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/27914493/patient-factors-associated-with-quality-of-life-in-atrial-fibrillation
#17
Tiffany C Randolph, DaJuanicia N Simon, Laine Thomas, Larry A Allen, Gregg C Fonarow, Bernard J Gersh, Peter R Kowey, James A Reiffel, Gerald V Naccarelli, Paul S Chan, John A Spertus, Eric D Peterson, Jonathan P Piccini
BACKGROUND: As treatment options for atrial fibrillation (AF) increase, more attention is focused on patients' experiences and quality of life (QoL). However, little is known about the factors associated with these outcomes. METHODS: The Atrial Fibrillation Effect on QualiTy-of-life (AFEQT) is a disease-specific QoL tool for AF, with domain and summary scores ranging from 0 (the worst QoL) to 100. Using multivariable linear regression, we evaluated factors associated with baseline AFEQT Summary and Subscale Scores in ORBIT AF, a large, community-based AF registry...
December 2016: American Heart Journal
https://www.readbyqxmd.com/read/27909488/atrial-fibrillation-and-sleep-apnea-considerations-for-a-dual-epidemic
#18
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/27896626/cheyne-stokes-respiration-during-wakefulness-in-patients-with-chronic-heart-failure
#19
Wolfram Grimm, Karl Kesper, Werner Cassel, Nina Timmesfeld, Olaf Hildebrandt, Ulrich Koehler
PURPOSE: Cheyne-Stokes respiration (CSR) during sleep has been studied extensively in patients with chronic heart failure (CHF). Prevalence and prognostic significance of CSR during wakefulness in CHF, however, are largely unknown. METHODS: CSR during wakefulness with an apnea-hypopnea cut-off ≥5/h and moderate to severe CSR with an apnea-hypopnea cutoff ≥15/h were analyzed using polysomnographic recordings in 267 patients with stable CHF with reduced left ventricular (LV) ejection fraction at our institution...
November 28, 2016: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/27890735/variability-in-obstructive-sleep-apnea-analysis-of-pacemaker-detected-respiratory-disturbances
#20
Ghassan Moubarak, Abdeslam Bouzeman, Thibaut de Geyer d'Orth, Claire Bouleti, Christine Beuzelin, Serge Cazeau
BACKGROUND: Obstructive sleep apnea (OSA) is associated with several cardiovascular conditions. Some pacemakers feature specific algorithms detecting respiratory cycles and deriving indices well correlated with the identification of polysomnography-confirmed severe OSA. OBJECTIVES: The purposes of this study were to analyze respiratory disturbances measured by a validated algorithm in clinical practice and to describe their variability over time and their association with atrial fibrillation...
November 23, 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
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