In 20 vessel segments, referent vessel diameter/area, vessel stenosis diameter/area and lumens area stenosis rate were detected by 2D, 3DR and IVUS with no significant difference.

• 20处病变中最窄处管腔直径／面积、参考血管直径／面积、最窄处面积狭窄率在三维重建与IVUS测量值无显著性差异。