<unk>  is the thickening of the tunica intima of a blood vessel as a complication of a reconstruction procedure or endarterectomy.<unk>  is the universal response of a vessel to injury and is an important reason of late bypass graft failure, particularly in vein and synthetic vascular grafts. See also== * Hyperplasia * Medical grafting
Intimal hyperplasia
Neointimal hyperplasia
Neovascularization
Hydrodilatation
Infibulation
Endothelial activation
Glomerulation
Angiomatosis