Table 2

Association between neuropsychological deficit and preoperative and intraoperative variables (values are median (range))

VariablesAfter surgery (3-5 days) After surgery (2 months)
VR (n=21) CABG (n=14)VR (n=26)
deficit + (n=14)
deficit − (n=7)
deficit + (n=2)
deficit − (n=12)
deficit + (n=6)
deficit − (n=20)
Age (y)59.5 (40-69) 64 (63-64)60 (43-67)
44 (38-70)57 (39-70)55 (38-69)
Education (y)11.5 (7-21)7 (7-7)2-150 11.5 (7-21)
11 (9-16)11 (7-22)12 (7-21)
NYHA functional class3 (1-4)3 (3-3)3 (2-4)
3 (2-3)3 (2-3)3 (2-4)
Ejection fraction (%)73 (48-88)59 (47-71)59 (52-88)
63 (50-75)51 (25-82)67 (48-88)
Cross clamping time (min)55 (29-95)46 (34-58)57 (29-112)
71 (45-93)36 (19-63)56 (42-93)
Minimal nasopharyngeal temperature (°C)27.6 (23.2-31.1)27.0 (25.4-28.5)27.0 (25.8-29.1)
28.8 (26.3-29.8)28.4 (25.0-31.7)28.3 (23.2-31.1)
Cardiopulmonary bypass time (min)93 (46-145)80 (68-91)91 (46-161)
103 (72-132)72 (41-116)93 (68-132)
Cerebral MES (n)1155 (151-3074)2-150 50 (32-67)2083 (251-4541)2-150
226 (78-1870)112 (19-799)645 (78-3074)
Respirator time (h)6 (1-18)6.5 (5-8)9 (5-19)2-150
6 (2-13)6 (2-12)6 (1-13)
  • 2-150 p⩽0.05; p⩽0.01. Cross clamping time=the period the aorta was cross clamped and the patient was supported by the heart-lung machine; cardiopulmonary bypass time=the total period the patient was connected to the heart-lung machine; NYHA=NewYork Heart Association.