Results:A progressive decline in CPV,VTI,CFR,DT,DBP and a progressive increase in AT with increasing degrees of acute aortic regurgitation were found.

• 结果:随着返流程度的增加，冠状动脉血流的CPV和VTI均逐渐降低，AT逐渐延长，DT逐渐缩短；DBP逐渐降低；