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钙化性主动脉瓣狭窄是老年人的一个常见问题,估计有50％年龄超过75岁的病人,均有一定程度的瓣膜运动限制。由于严重的瓣膜狭窄可威胁生命,故在临床上估计狭窄的严重程度非常重要。遗憾的是没有一个无创伤性检查能对主动脉瓣狭窄作
Calcific aortic stenosis is a common problem in the elderly and it is estimated that 50% of patients over 75 years of age have limited valve motion. Because severe valvular stenosis can be life-threatening, it is important to assess the severity of the stenosis clinically. Unfortunately, there is no non-invasive examination of aortic stenosis