心导管术过去主要应用于儿童先天性心脏病 (先心病 )的诊断 ,而现在已成为许多患者的一种治疗途径。介入性治疗先心病大致分为两大类 :一类为用球囊扩张的方法解除血管及瓣膜的狭窄 ,如主动脉瓣狭窄 (ＡＳ)、肺动脉瓣狭窄 (ＰＳ)、主动脉缩窄 (ＣＯＡ)等 ;另一类为利用各种栓子 Cardiac catheterization has traditionally been used in the diagnosis of congenital heart disease (CHD) in children and has now become a treatment for many patients. Interventional treatment of congenital heart disease can be broadly divided into two categories: one for the use of balloon dilation of blood vessels and valves to lift the stenosis, such as aortic stenosis (AS), pulmonary stenosis (PS), aortic constriction (COA ); The other is to use a variety of emboli