目的：探讨主动脉瓣返流对胸主动脉结构与功能的影响。
Objective:To evaluate the influence of aortic valvular regurgitation(AR) on aortic remodeling.
我们要确保能够将器械输送到最佳位置，达到抑制主动脉瓣返流或不干扰冠脉血流的目的。
We need to make sure we deploy these devices exactly at the optimal position either for containment of aortic regurgitation or for the non-interference of coronary blood flow.
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。
Conclusion Any disease which arose the mitral structure harm will lead to the mitral regurgitation. The main pathogeny of aortic regurgitation I...
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%).
目的观察m -型彩色多普勒超声测定主动脉瓣返流(AR)的血流传播速度(FPV)估测AR程度的可行性及准确性。
Objective To evaluate the feasibility and accuracy of color M-mode Doppler flow propagation velocity (FPV) in assessment of the severity of aortic regurgitation (AR).
利用彩色多普勒观察主动脉瓣口有无返流。
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。
Pulsed Doppler and color Doppler were used to observe the existence of aortic regurgitation.
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