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%).

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%）。

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Results Simple aortic valve calcification was found in 93 cases(56.0%); simple mitral calcification, 18 cases(10.8%); aortic valve calcification combining mitral calcification, 55 cases, (33.1%);

结果单纯主动脉瓣膜钙化者93例（56.0%），单纯二尖瓣钙化18例（10.8%），主动脉瓣和二尖瓣联合钙化为55例（33.1%）；

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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.

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。

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