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肺静脉电隔离能成功地治疗阵发性心房颤动(简称房颤),但识别出左房-肺静脉(PV)连接以及随后的导管连续逐点地分离PVs,是一个技术难题。作者介绍一种新的内镜消融系统,可以在直接目察下在左房-PV连接处用激光消融。方法和结果研究包括2个阶段:一个短期(n=9)和一个长期(n=11)犬实
Pulmonary venous electrical isolation has been shown to successfully treat paroxysmal atrial fibrillation (AF), but identifying left atrial-pulmonary venous (PV) connections and consequent subsequent sequential catheter separation of PVs is a technical challenge. The authors describe a new endoscopic ablation system that can be laser ablated at the left atrium-PV junction under direct visualization. Methods and Results The study consisted of two stages: one short-term (n = 9) and one long-term (n = 11) canine