Related Experiment Video
Updated: Apr 6, 2026
07:54
Drug-Induced Sleep Endoscopy DISE with Target Controlled Infusion TCI and Bispectral Analysis in Obstructive Sleep Apnea
Published on: December 6, 2016
20.9K
Atrial arrhythmogenesis in obstructive sleep apnea: Therapeutic implications
Dominik Linz1, Benedikt Linz1, Mathias Hohl1
1Kardiologie, Angiologie und Internistische Intensivmedizin, Universitätsklinikum des Saarlandes, Germany.
Sleep Medicine Reviews
|July 19, 2015
Summary
Obstructive sleep apnea (OSA) affects 40-50% of atrial fibrillation (AF) patients, reducing treatment success. Continuous positive airway pressure (CPAP) therapy for OSA improves AF catheter ablation outcomes.
Area of Science:
- Cardiology
- Sleep Medicine
- Pulmonology
Background:
- Obstructive sleep apnea (OSA) affects 40-50% of patients with atrial fibrillation (AF).
- OSA negatively impacts the efficacy of both pharmacological and catheter-based antiarrhythmic treatments for AF.
- Continuous positive airway pressure (CPAP) ventilation is the primary treatment for OSA.
Purpose of the Study:
- To explore the pathophysiology linking obstructive apneas in OSA to AF development.
- To elucidate the mechanisms behind the antiarrhythmic effects of CPAP in AF patients.
- To review the impact of OSA treatment on AF management.
Main Methods:
- A systematic literature search was conducted across multiple databases.
- The review focused on the pathophysiology of obstructive sleep apneas and AF.
- Mechanisms of CPAP's antiarrhythmic effects were analyzed.
Main Results:
- OSA contributes to the substrate for AF development.
- Effective CPAP therapy improves catheter ablation success rates in AF patients.
- CPAP therapy demonstrates a clinically significant antiarrhythmic effect.
Conclusions:
- OSA is a significant comorbidity in AF patients.
- Treating OSA with CPAP can enhance AF management strategies.
- Understanding OSA's role is crucial for improving AF patient outcomes.
Keywords:
Animal experimentAtrial electrophysiologyAtrial fibrillationContinuous positive airway pressureObstructive sleep apneaRenal denervationMore Related Videos
Related Concept Videos
01:21Sleep Apnea
782
Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
The condition is more prevalent among...
782
01:22Heart Failure VI: Adjunct Therapies
588
Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.
588
01:24Antiarrhythmic Drugs: Class II Agents as β-Adrenergic Blockers
2.3K
Adrenergic stimulation generally impacts cardiac rate and rhythm. Specifically, stimulation of the β-adrenoceptors triggers an increase in intracellular calcium ion influx and pacemaker currents, which may cause arrhythmias. Catecholamines like adrenaline also demonstrate β2-adrenoceptor-mediated hypokalemia, impacting cardiac action potential and disrupting the normal cardiac rhythm. Class II antiarrhythmic drugs are β-adrenoceptor antagonists or β-blockers, which...
2.3K
01:25Dysrhythmias VI: Management of Dysrhythmias
633
Dysrhythmia management involves a multifaceted approach, incorporating pharmacological treatments, medical procedures, surgical interventions, lifestyle modifications, and patient education.Pharmacological ManagementAntiarrhythmic Drugs:Class I (Sodium Channel Blockers): This class includes quinidine and procainamide, which reduce the speed of impulse conduction in the heart, stabilize the cardiac membrane, and control arrhythmias. Quinidine and procainamide are Class IA agents that prolong the...
633
01:16Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure
766
Oxygen therapy has emerged as a significant tool in enhancing the quality of life for patients suffering from pulmonary arterial hypertension (PAH). While this therapy has principally been studied on patients with significant hypoxemia, this therapeutic approach helps prevent potential organ damage and can be administered in the comfort of one's home.
Oxygen therapy is vital in increasing and maintaining blood oxygen levels in PAH patients. As a result, it aids in reducing fatigue,...
Oxygen therapy is vital in increasing and maintaining blood oxygen levels in PAH patients. As a result, it aids in reducing fatigue,...
766
01:29Disturbances in Heart Rhythm
4.1K
Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
4.1K