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Cryoablation of a Mahaim Epicardial Accessory Pathway Inside Coronary Sinus Using an 8-mm Catheter

2021; Issue: 2 Linguagem: Inglês

10.24207/jca.v34i2.3445

2674-7472

Bruno Pereira Valdigem, Nilton José Carneiro da Silva, Rogério Braga Andalaft, Carla Almeida, Nilson Araújo, Fernando Scazzuso, Olga Ferreira de Souza,

Cardiac pacing and defibrillation studies

Cyoablation is a ablation technique underutilized except in parahissian pathways and atrial fibrillation ablation. Ablation inside venous coronary sinus remains a dreaded incursion, and cryoablation is rarely used. We present the case of a 43 YO female who had a recurrent wolff parkinson white syndrome due to an epicardial pathway inside the coronary sinus successfully treated with a large bore(8mm) cryocatheter. We also review literature and describe the advantages and similar reports of use of cryo in low flow recesses inside the heart.