摘要
目的探讨磁导航指导下右心室流出道(right ventricular outflow tract,RVOT)起源室性早搏(简称室早)导管消融的有效性、安全性。方法选取92例接受磁导航指导下导管消融的RVOT起源室早患者,按室早起源部位将其分为前间隔组(35例)、中间隔组(26例)、后间隔组(11例)、前游离壁组(4例)、中游离壁组(10例)和后游离壁组(6例)6组。分析6组RVOT起源室早不同起源部位的发病率,并比较6组的消融急性成功率、复发率及安全性。结果RVOT前间隔起源的室早发病率最高,消融急性成功率100%。术后一年,仅RVOT中间隔起源的室早复发,复发率为7.69%。所有患者术中及术后均无手术相关并发症发生。结论RVOT室早多起源于前间隔和中间隔,磁导航指导下的导管消融对此具有较高的有效性和安全性。
Objective To investigate the effectiveness and safety of catheter ablation for premature ventricular contraction(PVC)originating from the right ventricular outflow tract(RVOT)guided by magnetic navigation.Methods We selected 92 patients undergoing catheter ablation for RVOT origin PVC guided by magnetic navigation.They were divided into six groups based on the origin site of PVC:anterior septum group(n=35),midseptum group(n=26),posterior septum group(n=11),anterior free wall group(n=4),medium free wall group(n=10),and posterior free wall group(n=6).The incidence of PVC originating from different sites of the RVOT was analyzed in the six groups.The acute success rate of ablation,recurrence rate,and safety were compared among the six groups.Results The incidence of PVC was the highest in the anterior septum of the RVOT,with a 100%of acute success rate of ablation.One year after ablation,recurrent PVC was only found in the midseptum of the RVOT,with a recurrence rate of 7.69%.All patients had no procedure-related complication in intraoperative or postoperative period.Conclusion RVOT origin PVC is mainly originated from the anterior septum and midseptum.Catheter ablation guided by magnetic navigation demonstrates high effectiveness and safety for RVOT originated PVC.
作者
赵晓溪
李库林
郑杰
党时鹏
刘晓宇
王如兴
ZHAO Xiaoxi;LI Kulin;ZHENG Jie;DANG Shipeng;LIU Xiaoyu;WANG Ruxing(Department of Cardiology,Wuxi Peoples Hospital Affiliated to Nanjing Medical University,Wuxi Jiangsu 214023,China)
出处
《实用心电学杂志》
2024年第3期232-236,共5页
Journal of Practical Electrocardiology
基金
国家自然科学基金面上项目(81770331)。
关键词
室性早搏
右心室流出道
磁导航
导管消融
premature ventricular contraction
right ventricular outflow tract
magnetic navigation
catheter ablation
