Compared with the open saphenous vein harvesting （OVH）, there is a larger decrease in inci-sion complications of endoscopic vein harvesting （EVH）. Fewer studies were conducted to evaluate the quality of great saph...Compared with the open saphenous vein harvesting （OVH）, there is a larger decrease in inci-sion complications of endoscopic vein harvesting （EVH）. Fewer studies were conducted to evaluate the quality of great saphenous vein （SVG） harvesting by these two methods. To apply transit time flow measurement （TTFM） to SVG grafts in coronary artery bypass grafting （CABG）, we properly evaluate the quality of SVG and surgical effect. Methods From January 2012 to August 2012, 38 cases underwent EVH and 16 cases underwent OVH. We recorded pulsatility index （PI）, mean graft flow （MGF） and diastolic flow （DF） of SVG grafts for statistical analysis. The dysfunctional grafts diagnostic criteria is PI 〉 5, MGF 〈 10 mL/min or DF 〈 50%. Result In terms of SVG grafts, no significant difference existed in the length of two groups （P = 0.2395）. EVH group har-vesting time was longer than OVH group （P = 0.0113）, but the incision length of EVH group was shorter （P = 0.0000） and it needed less suture time. EVH group presented no significant differences in incision complication rate from OVH group （P = 0.7055） within 1 month after surgery. TTFM data of well functioning grafts had no significant difference in the two groups （PI： 3.2 ± 1.0 vs. 2.9 ± 0.9, MGF： 34.7 ± 20.4 vs. 36.3 ± 19.2 mL / min, DF： 66.3% ± 10.6% vs. 68.5% ± 10.3%）. There was no significant difference in the rate of dysfunctional grafts in two groups （P = 0.7954） as well. The cause for tomosed the grafts with satisfactory effect. Conclusion vesting methods. The surgical effect and the quality of quality of SVG grafts can be reasonably evaluated by TYFM.展开更多
文摘Compared with the open saphenous vein harvesting （OVH）, there is a larger decrease in inci-sion complications of endoscopic vein harvesting （EVH）. Fewer studies were conducted to evaluate the quality of great saphenous vein （SVG） harvesting by these two methods. To apply transit time flow measurement （TTFM） to SVG grafts in coronary artery bypass grafting （CABG）, we properly evaluate the quality of SVG and surgical effect. Methods From January 2012 to August 2012, 38 cases underwent EVH and 16 cases underwent OVH. We recorded pulsatility index （PI）, mean graft flow （MGF） and diastolic flow （DF） of SVG grafts for statistical analysis. The dysfunctional grafts diagnostic criteria is PI 〉 5, MGF 〈 10 mL/min or DF 〈 50%. Result In terms of SVG grafts, no significant difference existed in the length of two groups （P = 0.2395）. EVH group har-vesting time was longer than OVH group （P = 0.0113）, but the incision length of EVH group was shorter （P = 0.0000） and it needed less suture time. EVH group presented no significant differences in incision complication rate from OVH group （P = 0.7055） within 1 month after surgery. TTFM data of well functioning grafts had no significant difference in the two groups （PI： 3.2 ± 1.0 vs. 2.9 ± 0.9, MGF： 34.7 ± 20.4 vs. 36.3 ± 19.2 mL / min, DF： 66.3% ± 10.6% vs. 68.5% ± 10.3%）. There was no significant difference in the rate of dysfunctional grafts in two groups （P = 0.7954） as well. The cause for tomosed the grafts with satisfactory effect. Conclusion vesting methods. The surgical effect and the quality of quality of SVG grafts can be reasonably evaluated by TYFM.
