Fig. 5

Dilatation induced by increasing dose of Acethylcholine (a) in phenylephrine preconstricted vein (b) was not observed in the different vessels. Dilatation induced by increasing dose of sodium nitroprusside was maintened in the control vein compared to the vein graft group (c). Vein graft = AHB vein graft (n = 3)+ HS vein graft (n = 7) + GALA vein graft (n = 1), n = 11; Control vein = AHB control vein (n = 9)+ HS control vein (n = 9) + GALA control vein (n = 9), n = 27; Aorta = AHB distal aorta (n = 9)+ HS distal aorta (n = 8)+ GALA distal aorta (n = 6), n = 23. Data are presented as mean ± SEM Double asterisk indicates P < 0.01 for vein control vs vein graft