ArticleJACC. Case reports2026
En Bloc Left Pulmonary Vein and Appendage Isolation in Thoracoscopic Surgery for Incessant Atrial Tachycardia.
Article in JACC. Case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundAtrial tachycardia (AT) originating from the distal left atrial appendage (LAA) is rare, especially in older adult patients. CASE SUMMARY: A 64-year-old man was admitted for heart failure due to drug- and ablation-resistant AT. The arrhythmia was traced to the distal LAA. Owing to high risk of recurrence and complications with repeat catheter ablation, the patient underwent total thoracoscopic en bloc isolation of the left pulmonary veins and LAA, followed by LAA resection. DISCUSSION: Sinus rhythm was restored intraoperatively and was maintained postoperatively without antiarrhythmic medication. Left ventricular ejection fraction improved from 20% to 51% over 12 months. No recurrence of AT or heart failure was observed at the 12-month follow-up. TAKE-HOME MESSAGE: This case highlights the efficacy and safety of combining thoracoscopic LAA resection with en bloc isolation in treating AT originating from the LAA in older adult patients.
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