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目的评价Amplatzer封堵器经导管治疗动脉导管未闭的疗效。方法经7F导管置入Amplatzer封堵器,术后行侧位降主动脉造影、超声心动图检查有无残余分流。结果6例全部一次封堵成功,无任何并发症发生。术后10 min行侧位降主动脉造影示2例有少量残余分流。术后1 d行超声心动图检查无残余分流,随访3~22个月无再通或残余分流。结论应用Amplatzer封堵器经导管治疗动脉导管未闭是一种安全有效的介入方法,操作简便,成功率高,疗效可靠。
Objective To evaluate the efficacy of transcatheter Amplatzer occluder in the treatment of patent ductus arteriosus. Methods Amplatzer occluder was placed in 7F catheter. Lateral descending aorta angiography was performed and echocardiography was performed to detect residual shunt. Results All the 6 cases were successfully blocked without any complications. 10 min after the line lateral descending aorta angiography showed a small residual shunt in 2 cases. One day after operation, echocardiography showed no residual shunt, and no recurrence or residual shunt was observed after 3 to 22 months of follow-up. Conclusions Transcatheter closure of patent ductus arteriosus with Amplatzer occluder is a safe and effective interventional method. It is simple and convenient to operate, with high success rate and reliable curative effect.