Table 1

Neuropsychological test bettery and test scores, mean (SD) values in patients examined before (1-2 days) and after (3-5 days and 2 months) CPB surgery with valve replacement (VR) or coronary artery bypass grafting (CABG)

TestBefore surgeryAfter surgery (3-5 days) After surgery (2 months)
VR (n=27)CABG (n=14)VR (n=21)VR (n=26)CABG (n=14)
Group 1:
  WAIS V54  (12)47  (15)
  WAIS D16 (3)15 (3)
  CPM30 (5)30 (5)
Group 2:
1 CVLT L56 (12)48 (10) 64  (10)58  (12)
  CVLT S12 (3)10 (3)13 (3)12 (3)
  CVLT L13 (3)10 (3) 14 (3)12 (3)
2 SDL16 (8)17 (5)12  (9)18 (6)17 (7)
3 WMS11 (4)9 (3)12 (4)11 (4)1-150
Group 3:
4 Trail A35 (18)38 (11)34 (16)35 (12)
5 Trail B85 (38)94 (27)86 (47)97 (45)
6 LC70 (14)81 (14)1-150 82 (18)74 (18)80 (13)
7 DS44 (14)36 (9)34 (10)46 (14)41 (11)
8 CRT202 (35)207 (39) 214 (58)204 (33)
Group 4:
9 FAS37 (8)35 (10)40 (10)39 (10)36 (11)
10 Peg D71 (13)81 (15)1-150 93 (27)71 (12)75 (11)
  Peg. ND79 (19)85 (14)109 (47)76 (14)82 (13)
Group 5:
  Trait35 (8)37 (9)34 (7)35 (11)
  State35 (8)34 (12)36 (7)30 (9)32 (11)
  • 1-150 p⩽0.05; p⩽0.01; D=dominant hand; ND=non-dominant hand; group 1=premorbid function; group 2=memory; group 3=attention, concentration, and psychomotor speed; group 4=others; group 5=anxiety tests used; WAIS V=WAIS vocabulary; WAIS D=WAIS picture completion; CPM=raven coloured progressive matrices; CVLT=California auditory verbal learning; SDL=serial digit learning (8 digits); WMS=Wechsler memory scale drawing; Trail A and Trail B=the trail making tests part A and part B; LC=letter cancellation task; DS=WAIS digit symbol; CRT=computerised reaction time test; FAS=controlled oral word association test; Peg=grooved pegboard test. ↓=Deteriorated and ↑=improved performance compared with the preoperative examination. 1-150and in CABG patients’ column preoperatively indicates lower performance than the VR patients.