主动脉瓣钙化是先天性主动脉瓣病变在幼儿时期可能无明显症状。一般主动脉瓣病变的常见症状为劳累后心悸、气急和心绞痛。在重度主动脉狭窄病例或主动脉瓣关闭不全病例，由于冠状动脉供血严重不足，心绞痛尤为严重。
结果左房室瓣和主动脉瓣钙化分别为76%和70%，心房颤动为76%。
Results The calcification of left ventricular valve and aortary value are 76% and 70% respectively, atrial fibrillation is 76%.
结果主动脉瓣返流中主动脉瓣钙化占第一位（56.9%），二尖瓣返流中二尖瓣结构正常者占第一位（63.0%）。
Results The aortic valve calcification was the first position in aortic regurgitation(56.9%). Mitral structure normalcy was the first position in mitral regurgitation(63.0%).
总计358名伴严重主动脉瓣狭窄(特征为因钙化主动脉瓣梗阻的一种心脏病)患者参加了这项实验。
A total of 358 patients with severe aortic stenosis, a heart disease characterized by obstruction of the aortic valve due to calcification, participated in the trial.
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