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目的:评价Amplatzer法治疗动脉导管未闭的疗效.材料与方法:采用Amplatzer法封堵动脉导管末闭4例,男1例,女3例.年龄5个月~30岁,平均20岁.动脉导管直径13~6.0mm.结果:技术成功率100％.1个月随诊观察无残余分流.结论:Amplatzer法是治疗动脉导管未闭的一种有效的非外科手术方法.“,”Objective: To estimate the therapeutic efficacy of Amplatzer tecnnique for patent ductus arteriosus (PDA). Materials and Methods:Amplatzer technique was used to treat 4 cases with PDA, including 1 male and 3 femals, mean aged 20 years (5~30 years). The minimum ductal diameter was in the range of 1. 3~6. 0mm. Results : The procedure was successful in all patients. Mo residual shunt was found for one-month-followup observations. Conclusion: Amplatzer technique is a non-surgical and an effective procedure for the treatment of PDA.