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[目的]探讨超声心动图在婴幼儿先天性冠状动脉瘘(coronary artery fistulae,CAF)经导管介入封堵术前及术后中的应用价值.[方法]回顾性分析2012年8月至2016年7月在本院进行CAF介入封堵术的15例婴幼儿术前、术后的超声心动图表现.[结果]15例患儿,右CAF 7例,其中包括右冠状动脉右室瘘4例,右冠状动脉右房瘘3例;左CAF 8例,其中包括左冠状动脉右室瘘1例,左冠状动脉右房瘘7例.术前超声心动图可显示CAF的起源、走行、瘘口以及评价心功能.随访超声心动图能显示封堵器的位置、是否有残余瘘、冠状动脉内是否有血栓、心功能是否改善.[结论]超声心动图对婴幼儿CAF封堵术前病例的筛选、手术时机的选择及术后疗效的评估、随访均有较高的应用价值.“,”[Objective]To explore the clinical value of transthoracic echocardiography (TTE) in perioperative and postoperative infants with interventional therapy of coronary artery fistulae (CAF) to improve its therapeutic effects.[Methods]Fifteen cases of infant CAF from August 2012 to July 2016 underwent interventional treatment with transcatheter closure techniques in our hospital.TTE was performed before and after the treatments.The clinical data were analyzed retrospectively.[Results]Right CAFs were detected in seven patients,among which four had drains to the right ventricles and three to right atrium.Left CAFs were found in eight patients,among which one had drains to the right ventricles and seven to right atrium.Preoperative TTE could show the origin and hole size of CAF to evaluate the heart function.Postoperative TTE could show the location of the closure,whether or not there were residual shunts,blood clots in coronary artery and heart function improvement.[Conclusion]Echocardiography has high application value in preoperative screening of infant CAF,timing of surgery and the postoperative evaluation.