Usefulness of intracardiac echocardiography during pulmonary vein isolation with the novel multipolar irrigated ablation catheter (nMARQTM)

被引：6

作者：

Dello Russo, Antonio ^{[1
]}

Fassini, Gaetano ^{[1
]}

Casella, Michela ^{[1
]}

Di Monaco, Antonio ^{[3
]}

Riva, Stefania ^{[1
]}

Romano, Valentina ^{[2
]}

Moltrasio, Massimo ^{[1
]}

Tundo, Fabrizio ^{[1
]}

De Martino, Giuseppe ^{[2
]}

Majocchi, Benedetta ^{[1
]}

Marino, Vittoria ^{[1
]}

Russo, Eleonora ^{[1
]}

Pizzamiglio, Francesca ^{[1
]}

Del Giorno, Giuseppe ^{[1
]}

Pelargonio, Gemma ^{[3
]}

Di Biase, Luigi ^{[4
]}

Natale, Andrea ^{[4
]}

Tondo, Claudio ^{[1
]}

机构：

[1] IRCCS, Cardiac Arrhythmia Res Ctr, Ctr Cardiol Monzino, Milan, Italy

[2] Clin Montevergine, Mercogliano, Italy

[3] Univ Cattolica Sacro Cuore, Cardiovasc Sci Dept, Rome, Italy

[4] Texas Cardiac Arrhythmia Inst, St Davids Med Ctr, Austin, TX USA

来源：

JOURNAL OF INTERVENTIONAL CARDIAC ELECTROPHYSIOLOGY | 2015年 / 44卷 / 01期

关键词：

Intracardiac echocardiography; nMARQ (TM) ablation catheter; Atrial fibrillation ablation; ATRIAL-FIBRILLATION; RADIOFREQUENCY ABLATION; PREDICTORS; EFFICACY; SAFETY;

D O I：

10.1007/s10840-015-0026-0

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Previous studies reported the usefulness of an irrigated circular radiofrequency ablation catheter (nMARQ(TM), Biosense Webster) for pulmonary vein isolation (PVI). We evaluated the role of intracardiac echocardiography (ICE) to optimize the manipulation of nMARQ(TM) catheter. Thirty-seven patients (pts), (mean age 55 +/- 12 years; 28 males) were enrolled to perform PVI. All pts underwent PVI with the nMARQ(TM) catheter. In 20 pts (group 1), we utilized ICE to guide nMARQ(TM) catheter positioning at the PV ostia; in the other 17 pts (group 2), nMARQ(TM) catheter was positioned at the PV ostia guided by fluoroscopy and TissueConnect(TM) technology. Radiofrequency (RF) applications were significantly lower in group 1 compared to group 2 [left PVs: 6 (range 3 to 12) in group 1 and 12 (range 5 to 16) in group 2 (p < 0.001); right PVs: 7 (range 4 to 14) in group 1 and 10 (range 5 to 16) in group 2 (p = 0.04)]; similarly regarding the time of RF delivery [left PVs: 318 +/- 194 s in group 1 vs. 542 +/- 104 s in group 2 (p < 0.001); right PVs: 410 +/- 270 s in group 1 vs. 550 +/- 156 s in group 2 (p = 0.05)]. Fluoroscopy time (23 +/- 9 min vs. 28 +/- 5 min; <Emphasis Type="ItalicUnderline">p = 0.05), procedural time (83 +/- 23 min vs. 160 +/- 42 min; p < 0.001), and radiation dose (109 +/- 20 Gy/cm(2) vs. 127 +/- 29 Gy/cm(2); p = 0.04) were significantly lower in group 1 compared to group 2. ICE might be a useful tool to guide nMARQ(TM) catheter position in the left atrium during atrial fibrillation (AF) ablation procedures.

引用

页码：39 / 45

页数：7

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