Feasibility Exploration of Zero-ray Radiofrequency Catheter Ablation of Atrial Fibrillation Guided by Transthoracic Echocardiography Combined With Three-dimensional Mapping System
10.3969/j.issn.1000-3614.2025.04.009
- VernacularTitle:经胸超声心动图结合三维标测系统引导零射线心房颤动射频导管消融术的探索研究
- Author:
Tianjie FENG
1
;
Guangzhi ZHAO
;
Jing DONG
;
Cheng WANG
;
Fengwen ZHANG
;
Shouzheng WANG
;
Jun LIU
;
Guodong NIU
;
Min TANG
;
Fujian DUAN
;
Xiangbin PAN
Author Information
1. 中国医学科学院 北京协和医学院 国家心血管病中心 阜外医院 结构性心脏病中心,北京 100037
- Publication Type:Journal Article
- Keywords:
radiofrequency catheter ablation;
atrial fibrillation;
transthoracic echocardiography;
zero-ray
- From:
Chinese Circulation Journal
2025;40(4):374-379
- CountryChina
- Language:Chinese
-
Abstract:
Objectives:To explore the feasibility of zero-ray radiofrequency catheter ablation for paroxymal atrial fibrillation under the guidance of transthoracic echocardiography combined with three-dimensional mapping system.Methods:This is a single-center prospective observational study.A total of 12 patients with paroxysmal atrial fibrillation who underwent radiofrequency catheter ablation in Fuwai Hospital,Chinese Academy of Medical Sciences from June 1,2024 to September 30,2024 were included.All patients underwent successful percutaneous puncture,atrial septal puncture under the guidance of transthoracic echocardiography,and all patients underwent left atrial modeling and discharge ablation under the guidance of transthoracic echocardiography combined with three-dimensional mapping system.The disappearance of pulmonary vein potential was confirmed after the ablation operation and as the ablation endpoint and successful ablation marker.The operation results and 1-month and 3-month follow-up results of the patients were observed.Results:There were 12 patients with paroxysmal atrial fibrillation,9 males and 3 females,aged(56.8±11.2)years,with a history of paroxysmal atrial fibrillation(4.2±2.3)years.The mean left atrial diameter was(36.5±2.5)mm,the left ventricular end-diastolic diameter was(47.8±4.1)mm,and the left ventricular ejection fraction was 55%-65%.The mean overall operation time was(102.25±14.51)min,the ultrasound operation time was(29.58±6.23)min,and the catheter operation time was(33.08±4.10)min.All patients completed circumferential pulmonary vein isolation without intraoperative complications.The hospitalization time was 2-6 days.At the 1-month follow-up after ablation,all patients showed sinus rhythm on 24-hour ambulatory electrocardiogram,and 2 patients had occasional atrial premature contractions without recurrence of atrial fibrillation.At the 3-month follow-up,two patients had occasional premature atrial contractions,and no recurrence of atrial fibrillation was recorded on the electrocardiogram of all patients.Conclusions:It is feasible to complete radiofrequency catheter ablation of paroxysmal atrial fibrillation under the guidance of transthoracic echocardiography combined with three-dimensional mapping system.
