Objective: to evaluate the immediate and somewhat distant results of surgical revascularization using the left MKA in patients with diabetes, compared with the results of autovenous CABG, to identify possible complications when using the left MA in patients with diabetes. Materials and methods: 2 groups of patients who, from 2010 to 2012, were selected. performed artery bypass surgery. All patients had type II diabetes. In the first group, the mammaro-coronary artery bypass surgery (MBS) was

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... ays used, in the second group and was not performed for various reasons. Results: evaluated indicators aft er 1 year and 6 years. In the immediate postoperative period, we noted a decrease in the class of angina in both groups. We did not observe a significant difference in the violation of the healing of the sternum. In the long-term period, in the group where MBS was performed, we noted a lower mortality rate, a lower class of angina pectoris and a smaller percentage of complications in the cardiovascular system. Conclusions: In patients with multifocal lesions of the coronary bed and concomitant diabetes, the preferred method of coronary artery bypass surgery is MBS, which can be supplemented with CABG. This is confirmed by sixyear observation. MKA can be safely used in diabetes and especially in the stem lesion of the left lance. Problems with the healing of the sternum with careful allocation of LMA we have not noted.