Combined Application of Two Modeling Methods of CARTO3 System for Radiofrequency Catheter Ablation in Paroxysmal Atrial Fibrillation Patients
10.3969/j.issn.1000-3614.2017.12.016
- VernacularTitle:CARTO三维标测系统两种建模方法结合在阵发性心房颤动射频消融术中的应用
- Author:
Ye TIAN
1
;
Long YANG
;
hui Yue YIN
;
Song ZHOU
;
fang Qi LIU
;
mei Yong WANG
;
Jing HUANG
Author Information
1. 贵州省人民医院 心内科
- Keywords:
CARTO mapping system;
Atrial fibrillation;
Radiofrequency catheter ablation
- From:
Chinese Circulation Journal
2017;32(12):1208-1212
- CountryChina
- Language:Chinese
-
Abstract:
Objective: To explore the safety and efficacy of two modeling methods of CARTO3 system for radiofrequency catheter ablation (RFCA) in paroxysmal atrial fibrillation (PAF) patients. Methods: A total of 150 PAF patients with RFCA were randomly divided into 3 groups: Group A: using conventional point-to-point mapping to guide circumferential pulmonary vein isolation; Group B, using fast anatomical modeling to guide circumferential pulmonary vein RFCA; Group C, using combined application of 2 mapping methods to guide circumferential pulmonary vein RFCA. n=50 in each group and the rest operative procedures were the same in 3 groups. The operative time, X-ray exposure time, success rate and complication rates were recorded in 3 groups; the size of left atrium and systolic function of left ventricle at pre- and 6 months post-operation were compared. Results: Compared with Group A and Group B, Group C had the shorter operative time and X-ray exposure time, P<0.05;the success rates were similar among 3 groups. No serious complication occurred in all 3 groups. Echocardiography presented that compared with pre-operative condition, the size of left atrium and LVEF were similar at 6 months post-operation. Conclusion: Combined using of two modeling methods of CARTO3 system was safe and effective for RFCA in PAF patients; it may reduce the operative time and X-ray exposure time, improve the accuracy of circumferential pulmonary vein locating and help guiding RFCA of PAF at certain degree.
