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Comparison of the long-term graft patency of on-pump versus off-pump coronary artery bypass grafting / 中华胸心血管外科杂志
Article in Chinese | WPRIM | ID: wpr-413523
Responsible library: WPRO
ABSTRACT
Objective Off-pump coronary artery bypass grafting (OPCAB) is used more widely in recent years in China. However, there is an argument on benefits and risks of off-pump surgery. Many studies shown that OPCAB had more benefits in short-term outcomes than conventional coronary artery bypass grafting(CCABG). But evidences from other studies suggested that OPCAB resulted in less long-term graft patency as compared with on-pump surgery. This study examined the longterm graft patency of OPCAB and CCABG performed by one surgeon. Methods 50 patients who had received surgical revascularization by a surgeon for more than 5 years were reviewed, 25 patients received conventional coronary artery bypass grafting ( group 1 ) and 25 patients received OPCAB ( group 2). All patients had angiograms for compareing the graft patency between the two groups. Results Among 25 patients in group 1,21 were male and 4 were female. The mean age of patients at surgery was (55.4 ±8.9) years. 15 cases had unstable angina, 16 patients had old myocardial infarction and 6 cases had diabetes.The ejection fraction (EF) was 0.58 ±0.14. The mean number of bypasses per patient was 3.32 ±0.63. Mean duration of operation was (3.58 ± 0. 82) hours. Mean follow-up duration was ( 86.52 ± 12.48) months. 83 grafts were evaluated for patency ( open vs. closed) and were graded by Fitzgibbon as grade A ( excellent graft), B ( impaired graft, with a stenosis of ≥50%, or a diameter less than 50% of the grafted artery), or O ( completely occluded). The graft patency was 73.49%, 61grafts were graded as Fitzgibbon A, 6 grafts as Fitzgibbon B and 16 grafts as Fitzgibbon 0. 25 patients were in group 2, 21males and 4 females. The mean age of patients at procedure was (58.2 ± 9.09) years, 11 patients had unstable angina, 13 patients had old myocardial infarction and 6 cases had diabetes. The ejection fraction (EF) was 0.59 ± 0. 14. Conclusion No 2011.03.013 difference in long-term graft patency was identified between on-pump and off-pump coronary artery bypass grafting. Off-pump oronary artery bypass grafting preformed by an experienced surgeon may gain similar long-term graft patency to that of conventional bypass.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Thoracic and Cardiovascular Surgery Year: 2011 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Thoracic and Cardiovascular Surgery Year: 2011 Type: Article