Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology
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Review Meta Analysis
Is the risk of atrial fibrillation higher in athletes than in the general population? A systematic review and meta-analysis.
The aim of this study was to examine by a systematic literature review and meta-analysis whether the risk of atrial fibrillation (AF) is higher in athletes compared with not athletes. ⋯ The risk of AF is significantly higher in athletes compared with not athletes. However, this finding should be confirmed further in large-scale prospective longitudinal studies.
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The coronary sinus (CS) is a commonly cannulated structure in patients undergoing electrophysiology studies, catheter ablation of arrhythmias, implantation of resynchronization therapy devices and, more recently, percutaneous mitral valve repair. The advent of these procedures has led to a renewed interest in the anatomy of the coronary venous system including its various components. To improve our understanding of this structure, we studied the anatomy of the human CS, including the valve that guards its ostium, the Thebesian valve. ⋯ Our study shows that some form of Thebesian valve is present in the majority of hearts (>70%). Of these, a significant minority (16%) had a valve morphology (covering >75% of the ostium, a fibrous, fibromuscular, or muscular composition, and devoid of fenestrations) that makes them a 'potentially complicating' structure interfering with the cannulation of the CS.
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Case Reports
Intra-His bundle block in second-degree Mobitz I atrioventricular block with right bundle branch block.
Because second-degree Mobitz I atrioventricular (AV) block is usually associated with a disturbance at the AV nodal level, and rarely at the infra- or intra-His bundle level, it has been considered as mostly benign in character. We report on a patient with intra-His bundle block in second-degree Mobitz I AV block with right bundle branch block.