Evaluating the method of segmental isolation of pulmonary veins in patients with paroxysmal atrial fibrillation
- VernacularTitle:阵发性心房颤动节段性肺静脉电隔离方法学评价
- Author:
Yansheng DING
;
Junjuan YANG
;
Jing ZHOU
- Publication Type:Journal Article
- Keywords:
Paroxysmal atrial fibrillation;
Catheter ablation, radiofrequency current;
Pulmonary vein
- From:
Chinese Journal of Interventional Cardiology
1996;0(04):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the efficacy and safety of the segmental electrical isolation of pulmonary veins (PVs) in patients with paroxysmal atrial fibrillation (PAF). Methods Thirty-nine patients (28 males, 11 females) with recurrent documented symptomatic PAF were included. In order to avoid the risk of cardiac tamponand, we adopted one transseptal procedure and obtained unselective angiography of all PVs and left atrial appendage using pigtail catheter. Lasso mapping catheter and ablation catheter were put into target pulmonary vein ostium through the same site of atrial septum. We routinely mapped the right inferior PV lest any pulmonary vein potential (PVP) that triggered PAF should be omitted. RF ablation was applied at the PVP breakthrough and slightly right and left by moving the RF catheter. Results Eighty-five PVs were targeted for segmental RF ablation. Eight-one were isolated completely. Immediate successful rate was 95%. There was not any complication associated with the procedure. Conclusion It is suggested that the method of segmental PV isolation has a higher cure rate and a shorter procedure time compared with other traditional methods. It can minimize the lesion of pulmonary veins and avoid PV stenosis.
