“…This immediate postoperative decrease of Cu in CABG patients was parallel to other studies (Antila et al, 1990 ; Fraser et al, 1989 ; Gormus et al, 2005 ; Jeremy et al, 2002 ; Yan et al, 2013 ). Kurian et al ( 2008 ) observed increased Cu levels during the ischemic stage of CABG surgery and in the early revascularization period, although afterward, Cu levels were observed to be decreased in the late revascularization stage (Kurian et al, 2008 ). Other studies on patients undergoing valve replacement surgery also reported reduced postoperative concentrations of Cu (Nuutinen et al, 1981 ; Yan et al, 2013 ).…”