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目的:探讨应用室间隔缺损(VSD)封堵器治疗动脉导管未闭(PDA)的安全性及临床疗效。方法:选择20例应用VSD封堵器对PDA进行介入封堵治疗的患儿,分析其术后24 h及1、3、6、12个月复查心脏彩超、胸X线片及心电图资料。结果:手术成功率100%,应用肌部VSD封堵器5例,应用对称膜部VSD封堵器15例。1个月随访时未见残余分流,2例患儿分别随访至6、1 2个月时发现左肺动脉血流稍加速,其余患儿均恢复良好。结论:可以应用VSD封堵器治疗PDA,疗效确切,安全性好。
Objective: To investigate the safety and clinical efficacy of ventricular septal defect (VSD) occluder in the treatment of patent ductus arteriosus (PDA). Methods: Twenty patients with PDA treated with occluder closure by VSD occluder were enrolled in this study. The echocardiography, chest X-ray and electrocardiogram were analyzed at 24 h and 1, 3, 6 and 12 months after operation. Results: The success rate of operation was 100%. Five cases of muscular VSD occluder were used and 15 cases of symmetrical membranous VSD occluder were applied. There was no residual shunt at 1 month follow-up. Two children were followed up for 6 and 12 months, respectively. The left pulmonary artery flow was slightly accelerated, and the rest of the children recovered well. Conclusion: VSD occluder can be used in the treatment of PDA with definite effect and good safety.