“…Moreover, diabetes mellitus and renal dysfunction aggravate vascular wall morbidity [81,82]. According to Gaudino et al [83] atherosclerotic changes in the RA had little influence on the mid-term graft patency rate, whereas Ikeda et al [84] demonstrated postoperative accelerated intimal hyperplasia in RA grafts. However, although graft disease, meaning progressive atherosclerotic change, is a common situation as early as 5 years after surgery in SV grafts [85], no such situation is found in RA conduits [85,86].…”