**Author details**

**5.3. Follow up**

284 Artery Bypass

**Figure 5.** follow-up CT scanning data of CVBG.

**6. Conclusion**

Three months after discharge, all the patients in group 1 had no preoperative symptom. Myocardial ischemia was not found by electrocardiogram in group 1. Postoperative angina was found in eight cases of group 2 and electrocardiogram showed inferior wall myocardial ischemia. There was significant difference between the two groups (P <0.05). Cardiac function was improved to class I (P <0.001), LVEF was increased to 0.60±0.08 (P <0.001) in group 1 and 0.56±0.10 (P <0.001) in group 2 which showed no preoperative differences and the postopera‐ tive LVEF of group 1 was superior to group 2 while there was no significant difference between these two groups. LVEDD decreased to (48.1±3.4) mm (P <0.001) in group 1 and (47.2±3.5) mm (P <0.001) in group 2. Patients underwent physical examination and echocardiography in our outpatient clinic periodically after discharge. These data were compared with the patients' preoperative variables. Several examination of myocardial nuclide imaging, coronary angiog‐ raphy (41 months postop.) and CT scanning (5 years postop.) were carried out (Figure 5).

In the past few decades, there was an increase in the number of patients with coronary heart disease who were not eligible for standard procedures including CABG and percutaneous coronary angioplasty, and diffuse coronary atherosclerosis occupies 12%–30% of patients Cheng-Xiong Gu, Yang Yu and Chuan Wang

6 Department of Cardiac Surgery, Beijing An Zhen Hospital, Capital Medical University, Beijing, China
