目的探讨有创主动脉脉压(PP)水平与冠状动脉病变程度的关系。

AIM To study the relationship between the level of aortic pulse pressure (PP) and the degree of coronary disease.

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目的：通过对比冠心病患者有创中心动脉压和无创外周动脉（肱动脉）压的差异，探讨我国冠心病患者中心动脉压与冠脉病变支数的关系。

Objective: This was designed to compare peripheral and central blood pressure (BP) in CHD, and investigate the relationship between central BP and the number of diseased coronary vessels in CHD.

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