Pulsed Doppler and color Doppler were used to observe the existence of aortic regurgitation.

利用彩色多普勒观察主动脉瓣口有无返流。

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The results suggest that it has great clinical value in deciding the operating timing of aortic regurgitation.

流场均匀性对主动脉瓣关闭不全患者手术时机的选择亦有重要的临床价值。

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Conclusion Any disease which arose the mitral structure harm will lead to the mitral regurgitation. The main pathogeny of aortic regurgitation I...

结论任何引起二尖瓣器质损害的疾病都能导致二尖瓣返流，主动脉瓣返流原因主要为瓣膜退行性变。

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In the future, however, transcatheter aortic valve implantation may be an option for treatment of aortic regurgitation.

CNN: Aortic valve regurgitation

For now, this procedure is usually limited to individuals who have a narrowed aortic valve (aortic stenosis) rather than aortic regurgitation and are considered at high-risk for surgical complications.

CNN: Aortic valve regurgitation

In many cases, the aortic valve has to be replaced to correct aortic valve regurgitation.

CNN: Aortic valve regurgitation