Correlation of Computed Tomographic Angiography in Patients Undergoing Coronary Artery Bypass Grafting and Effect of Standardized Rehabilitation Nursing

Table 1

Group of the degree of vascular bridge lesion.

Degree	Vascular performance
A	Vascular was smooth without stenosis, and lumen patency was more than 50%
B	The vessels themselves were significantly narrowed, the remaining lumen was less than 50% in the oral cavity, and the bridge was not completely occluded
O	The bridge vessels were completely occluded without contrast