Key result
Sole isolation of a persistent left superior vena cava is a well-tolerated and effective approach in patients with paroxysmal atrial fibrillation triggered by this anomaly.
Why the study?
Does sole persistent left superior vena cava (LPSVC) isolation improve outcomes in patients with paroxysmal atrial fibrillation triggered by LPSVC?
Does sole persistent left superior vena cava (LPSVC) isolation improve outcomes in patients with paroxysmal atrial fibrillation triggered by LPSVC?
Answers are grounded in this paper and cite their sources.
Sole isolation of a persistent left superior vena cava may be an effective and well-tolerated alternative to conventional pulmonary vein isolation in patients whose paroxysmal atrial fibrillation is triggered by this congenital anomaly.
Persistent left superior vena cava (LPSVC) is a rare congenital anomaly of the thoracic venous system that can trigger paroxysmal atrial fibrillation. The role of this venous anomaly must be carefully considered in patients undergoing conventional atrial fibrillation transcatheter ablation by pulmonary vein isolation to avoid unnecessary lesions, left atrium access and arrhythmia relapses. In fact, the present clinical perspective suggests sole LPSVC isolation is a well tolerated and effective approach in patients with paroxysmal atrial fibrillation and arrhythmic trigger originating from a LPSVC.
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Anselmino et al. (2014) conducted a review in Paroxysmal atrial fibrillation with persistent left superior vena cava (LPSVC). Sole LPSVC isolation was evaluated. Sole isolation of a persistent left superior vena cava is a well-tolerated and effective approach in patients with paroxysmal atrial fibrillation triggered by this anomaly.
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