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目的 :评价用Amplatzer封堵器经导管治疗小儿中 -大型动脉导管未闭 (PDA)的效果 ,并探讨影响效果的因素。方法 :经导管堵闭 13例PDA ,男 2例 ,女 11例 ,年龄 1 5～ 10岁 ,体重 8 6～ 2 5kg。PDA最窄处直径2 5～ 6mm (平均 4 1mm) ,术前肺动脉压 2 2～ 6 0mmHg (平均 3 8 5mmHg)。结果 :12例成功 ,1例失败。术后 1月随访 ,仅 1例超声心动图有少量残余分流。结论 :用Amplatzer封堵器治疗小儿中 -大型PDA ,是一种安全、创伤小的非开胸方法
PURPOSE: To evaluate the efficacy of catheterized Amplatzer occluder for the treatment of pediatric mid-large patent ductus arteriosus (PDA) in children and to explore the factors influencing the effect. Methods: 13 cases of PDA were blocked by catheter. There were 2 males and 11 females, aged 15 to 10 years old and weighing 8 6 ~ 25 kg. PDA narrowest diameter of 25 ~ 6mm (average 4 1mm), preoperative pulmonary artery pressure 2 2 ~ 6 0mmHg (average 3 8 5mmHg). Results: 12 cases succeeded, 1 case failed. One month after follow-up, only a small number of echocardiography residual shunt. CONCLUSIONS: Amplatzer occluder for the treatment of pediatric mid-large PDA is a safe and less traumatic non-thoracotomy method