Abstract
Background. Harvesting the great saphenous vein for coronary artery bypass grafting is often associated with complications in wound healing, insufficient cosmetic results, and delay in mobilization of the patients. The aim of this study was to compare the results of our minimally invasive technique with the traditional method. Methods. We report our experience of minimally invasive direct vision harvesting the great saphenous vein with the Aesculap retractor system (Aesculap AG Co KG, Tutlingen, Germany) by performing 3 (to 5) small cutaneous incisions. We scheduled 255 patients for elective coronary artery bypass grafting prospectively randomized to undergo vein harvesting by either the minimally invasive technique (group A: n = 128; age range, 68.2 ± 9.1 years; male, 53.1%) or by the traditional technique (group B; n = 127; age range, 66.1 ± 8.3 years; male, 62.9%). We classified and defined leg-wound healing disorders in terms of mild, moderate, and severe wound-healing disturbances. Results. Between group A and B there were no differences with the risk stratification before operation, length of vein being harvested, or total operation time. The time for minimally invasive harvesting of the great saphenous vein was slightly increased. Severe leg-wound healing disorders occurred in 4 of 128 patients of group A (3.1%) versus 12 of 127 patients of group B (9.4%) with significant difference ( p = 0.042). Conclusions. Minimally invasive direct vision harvesting the great saphenous vein is an attractive alternative to the traditional open-harvesting technique. In our trial this procedure resulted in fewer wound complications and showed a much better cosmetic outcome. The total operation time was not increased by using the minimally invasive technique.
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