1病例分析临床中先心病介入封堵术已经是治疗部分先心病的首选,心律失常作为术后并发症,在房间隔缺损和室间隔缺损介入封堵术中并不罕见,但是动脉导管未闭介入封堵出现束支传导阻滞并发症少见,而且从理论上不易讲清。在2006~2008年,完成196例动脉导管未闭介入封堵。其中出现3例 1 Case Analysis Clinical interventional cardioversion has been the first choice for treatment of congenital heart disease, arrhythmia as a complication in the atrial septal defect and ventricular septal defect closure interventional surgery is not uncommon, but patent ductus arteriosus intervention Blocked bundle branch block appears rare complications, but also difficult to clarify theoretically. Between 2006 and 2008, 196 cases of patent ductus arteriosus were completed. Among them, 3 cases appeared