主动脉瓣瓣膜病变有较高的发病率及病死率。每年全球有200000例患者接受外科瓣膜置换术。还有更多患者因风险太高或有些老年患者害怕生活方式会被改变而未接受传统外科手术治疗,而且这一人群在不断扩大。自20世纪90年代经皮主动脉瓣置换术(percutaneous aortic valve replaceme Aortic valve disease has a higher morbidity and mortality. Every year, 200,000 patients worldwide undergo surgical valve replacement. There are many more patients who are at risk because of risk or some elderly patients are afraid that their lifestyle will be changed without being treated by traditional surgery and this population is expanding. Since the 1990s percutaneous aortic valve replacement (percutaneous aortic valve replaceme