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JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
A retrospective comparative study of open and endoscopic saphenous vein harvesting.
Journal of Endovascular Therapy 2000 December
PURPOSE: To compare the operative variables, complications, and potential benefits of endoscopic saphenous vein harvesting (ESVH) with traditional open vein retrieval for coronary artery bypass grafting (CABG).
METHODS: Data were collected retrospectively on 212 consecutive CABG patients from whom saphenous veins were harvested by one surgeon using either an open saphenous vein harvesting (OSVH) technique (n = 135) or ESVH (n = 77) performed with the ENDO-SAPH Vein Harvest System. Fifty-three patients underwent a purely endoscopic procedure, whereas 24 patients had either a combined endo-open procedure (n = 13) or were converted to an open technique (n = 11) because of equipment failure or adverse anatomical characteristics. Harvest time was measured from initial leg incision to aortic cross-clamping. Leg wound complications were evaluated on the basis of progressive severity.
RESULTS: Harvest and procedural times were longer for the ESVH group (111 and 313 minutes, respectively) than for the OSVH patients (63 and 252 minutes, respectively, p < 0.001). Mean length of stay was not appreciably different: 11.7+/-6.2 days (range 3-52) for the OSVH group, compared with 11.0+/-6.0 days (range 3-41) for the ESVH patients (p = 0.40). Fewer complications occurred in the ESVH group when a purely endoscopic procedure was performed (17% versus 35% for OSVH, p = 0.012). Infection occurred in 1 OSVH and in 4 ESVH patients, but 3 of the endoscopic patients had a combined procedure. Bivariate correlational analysis showed that an increased number of incisions (r = 0.29, p < 0.01), obesity (r = 0.18, p < 0.01), and short stature (r = -0.16, p < 0.05) were associated with leg wound complications, but hierarchial stepwise regression analysis determined only short stature to be a predictive variable (beta = 0.17, R2 = 0.03).
CONCLUSIONS: Despite increased operating time, ESVH results in fewer complications when a purely endoscopic procedure is performed.
METHODS: Data were collected retrospectively on 212 consecutive CABG patients from whom saphenous veins were harvested by one surgeon using either an open saphenous vein harvesting (OSVH) technique (n = 135) or ESVH (n = 77) performed with the ENDO-SAPH Vein Harvest System. Fifty-three patients underwent a purely endoscopic procedure, whereas 24 patients had either a combined endo-open procedure (n = 13) or were converted to an open technique (n = 11) because of equipment failure or adverse anatomical characteristics. Harvest time was measured from initial leg incision to aortic cross-clamping. Leg wound complications were evaluated on the basis of progressive severity.
RESULTS: Harvest and procedural times were longer for the ESVH group (111 and 313 minutes, respectively) than for the OSVH patients (63 and 252 minutes, respectively, p < 0.001). Mean length of stay was not appreciably different: 11.7+/-6.2 days (range 3-52) for the OSVH group, compared with 11.0+/-6.0 days (range 3-41) for the ESVH patients (p = 0.40). Fewer complications occurred in the ESVH group when a purely endoscopic procedure was performed (17% versus 35% for OSVH, p = 0.012). Infection occurred in 1 OSVH and in 4 ESVH patients, but 3 of the endoscopic patients had a combined procedure. Bivariate correlational analysis showed that an increased number of incisions (r = 0.29, p < 0.01), obesity (r = 0.18, p < 0.01), and short stature (r = -0.16, p < 0.05) were associated with leg wound complications, but hierarchial stepwise regression analysis determined only short stature to be a predictive variable (beta = 0.17, R2 = 0.03).
CONCLUSIONS: Despite increased operating time, ESVH results in fewer complications when a purely endoscopic procedure is performed.
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