Document Classification

Section Type: METHODS

Text: Eighty patients (n = 80) undergoing elective CABG surgery with cardiopulmobary bypass (CPB) were divided into 4 groups : 1) General anesthesia (GA) plus poor ventricular (PV) function patients (Group GA plus PV) (n = 20), ejection fraction (EF) = or < 40 % ; 2) GA plus good ventricular (GV) function patients (Group GA plus GV) (n = 20), EF > 40 % ; 3) Thoracic epidural anaesthesia (TEA) + GA, poor ventricular function patients (Group TEA+GA plus PV) (n = 20), EF = or < 40 % ; 4) TEA+GA, good ventricular function patients (Group TEA+GA plus GV) (n = 20), EF > 40 %.