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先天性心脏病的发病率在儿童年龄组占主要比例,是导致儿童时期死亡最主要的原因之一.既往进行经体外循环外科手术、经胸微创手术治疗,因外科手术创伤大、恢复慢、手术费用高等原因限制其应用.随着心导管介入术的发展,X射线透视下经皮导管介入术得到广泛的应用,但是辐射对于患者及医护人员的损害不容忽视.近年来,国内外通过临床试验肯定了单纯超声心动图引导下导管介入治疗单一型先天性心脏病的可行性及安全性,现对此进行综述.“,”Congenital heart disease(CHD)accounts for a major proportion of disease in the pediatric age group,which is one of the major causes of childhood mortality.In the past,the cardiopulmonary bypass surgery and minimally invasive surgery were not widely used for significant surgical trauma,slow recovery and high cost.With the development of catheter interventional technique,percutaneous catheter in-terventional technique has been widely used in X-ray fluoroscopy,but the damage of radiation to patients and medical staff should not be ig-nored.In this review,we will discuss the feasibility and safety of catheter intervention therapy guided by echocardiography without X -ray fluo-roscopy for single type congenital heart disease.