主动脉窦瘤破裂(rupture sinus of valsalva aneurysm,RSVA),也称瓦氏/乏氏窦瘤破裂,是一种较少见的心血管病变,约占先天性心脏病的0.31%～3.56%,东方人发病率比西方人高5倍。其病因多系主动脉窦部先天发育异常,即窦壁中层缺乏正常的弹力组织和肌肉组织,在主动脉内压力影响下窦 Rupture sinus of valsalva aneurysm (RSVA), also known as Valsalva / Aneurysm rupture, is a rare cardiovascular disease, accounting for about 0.31% ~ 3.56% of congenital heart disease, Oriental incidence of five times higher than Westerners. The etiology and more Department of aortic sinus congenital dysplasia, that the middle of the sinus wall lack of normal elastic tissue and muscle tissue, under the influence of intra-aortic pressure sinus