Characteristics of patients
All enrolled patient’s age, gender, medical history, surgery and data related to surgey were collected. A total of 436 patients were included in this study with a mean age of 62.8±13.8 and 61.2±16.8 and comprising 51(53.13%) and 178(52.35%) men in each group. The baseline characteristics of patients with delirium occurred and without delirium were depicted in Table 2. In terms of preoperative symptoms and morbidity, no difference was observed except for the higher incidence of heart failure (P=0.043) in the Delirium group.
Among the surgical procedures, all patients were underwent isolated OPCABG with the help of mechanical stabilization devices, there were no difference in number of distal anastamoses (P=0.068), rate of ITA use (P=0.091) , while patients in Delirium group had a significant higher rate use of radial artery (RA) (P=0.021).