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首页> 外文期刊>PACE: Pacing and clinical electrophysiology >Nonfluoroscopic magnetic electroanatomic mapping to facilitate focal pulmonary veins ablation for paroxysmal atrial fibrillation.
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Nonfluoroscopic magnetic electroanatomic mapping to facilitate focal pulmonary veins ablation for paroxysmal atrial fibrillation.

机译：非荧光镜磁性电解剖标测有助于局灶性肺静脉消融，用于阵发性房颤。

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RF ablation of ectopic foci in the pulmonary veins (PVs) is a promising treatment for patients with paroxysmal AF. The aim of this study was to evaluate the feasibility of using nonfluoroscopic magnetic electroanatomic mapping of PV during spontaneous or induced ectopy to facilitate focal ablation procedure. The study included 35 patients with drug refractory paroxysmal AF who underwent focal RF ablation of the PV. In 10 (29%) patients, mapping and RF ablation procedures were performed using the nonfluoroscopic magnetic electroanatomic mapping system to enable automatic capture of the location and the timing of the ectopy. As a control, 25 patients underwent conventional endocardial activation mapping technique. There were no significant differences in the clinical characteristics between the two groups. Overall procedural duration was similar between them (199 +/- 52 vs 221 +/- 82 minutes, P > 0.05). However, the mean fluoroscopy time (25 +/- 6 vs 52 +/- 12 minutes, P = 0.01) and the mean number of RF applications (5 +/- 3 vs 12 +/- 9, P = 0.02) were significantly less in patients who underwent electroanatomic mapping. There were no significant differences between the two groups in the acute (90 vs 84%) and long-term success rate (60 vs 56%) after a mean follow-up of 12 +/- 9 months. In conclusion, RF ablation of ectopic foci using nonfluoroscopic magnetic electroanatomic mapping of PVs during spontaneous or induced ectopy is useful even in patients with a limited number of ectopy, and is associated with a similar success rate, but less fluoroscopy time and RF application compared to the conventional approach.
机译：射频消融肺静脉异位灶（PVs）对于阵发性AF患者是一种有前途的治疗方法。这项研究的目的是评估在自发性或诱发性异位期间使用PV的非荧光镜磁电解剖标测方法以促进局灶性消融手术的可行性。该研究纳入了35例药物难治性阵发性AF患者，他们接受了PV的局灶性RF消融术。在10名（29％）患者中，使用非荧光镜磁性电解剖标测系统执行了标测和RF消融程序，以能够自动捕获异位的位置和时间。作为对照，有25例患者接受了常规心内膜激活定位技术。两组之间的临床特征无明显差异。他们之间的总体手术时间相似（199 +/- 52 vs 221 +/- 82分钟，P> 0.05）。但是，平均透视时间（25 +/- 6 vs 52 +/- 12分钟，P = 0.01）和平均射频应用次数（5 +/- 3 vs 12 +/- 9，P = 0.02）显着接受电解剖标测的患者较少。在平均随访12 +/- 9个月后，两组在急性成功率（90％vs. 84％）和长期成功率（60％vs 56％）方面没有显着差异。总之，自发性或诱发性异位期间使用PV的非荧光镜电解剖学方法对异位灶进行射频消融即使在异位数目有限的患者中也很有用，并且成功率相近，但与之相比，透视时间和射频应用时间要短常规方法。

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