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Table 4 Types of structural vein wall damages

From: Comparative results of endoscopic and open methods of vein harvesting for coronary artery bypass grafting: a prospective randomized parallel-group trial

Types of GSV damages OVH (n = 83) EVH (n = 78) р
Focal endothelial layer desquamation 30 (36.2 %) 23 (29.5 %) 0.37
Vein wall dissection (without superficial damage) 0 (0 %) 5 (6.4 %) 0.02
Vertical and horizontal ruptures of the internal layer 23 (27.7 %) 19 (24.4 %) 0.63
Focal and diffuse edema of the vein wall 37 (44.6 %) 32 (41 %) 0.65
Adhesion of corpuscles to the endothelial surface 10 (12.1 %) 12 (15.4 %) 0.54
Parietal thrombi development 0 (0 %) 1 (1.3 %) 0.30
Paravascular soft tissue coagulation 0 (0 %) 7 (8.9 %) 0.004
Total GSV samples with identified damages 45 (54.2 %) 47 (60.3 %) 0.45