Based on 3-D reconstruction of coronary arterial tree,a method was proposed to calculate the 3-D values of diameter,length,and branch angle in 3-D quantitative coronary angiography(QCA).

• 本文在冠状动脉树三维重建的基础上,研究了冠状动脉的三维定量分析方法,提出血管直径、分支夹角和血管段长度的三维测量方法。