Table 3 Intra- and postoperative patient characteristics of patients developing DSI and control group

Double internal mammary arteries

13 (24%)

1112 (23%)

n.s.

Pump time [min]

94,5 ± 7,3

81,2 ± 0,8

= 0,06

Aortic clamp time

68 ± 4,9

57 ± 0,51

<0,05

Operation time

207 ± 8,1

192,2 ± 0,9

= 0,06

Postoperative stay [days]

33 ± 1

7,0 ± 0,1

< 0,001

Atrial fibrillation, postoperative

30 (56%)

2042 (43%)

P = 0.06

Reintubation

19 (35%)

193 (4%)

< 0,001

Pleural effusions

24 (44%)

1998 (42%)

n.s.

Rethorakotomy

7 (13%)

113 (2,3%)

< 0,001

Hemoglobin, 6 h postoperative [g/dl]

10,5 ± 0,2

10,4 ± 0,16

n.s.

Hemoglobin, discharge [g/dl]

10,5 ± 0,2

11,2 ± 0,02

< 0,001

Erythrocytes, minimum during stay [g/dl]

2,8 ± 0,05

3,0 ± 0,01

< 0,001

Leukocytes, 6h postoperative [k/UL]

10,7 ± 0,8

10,0 ± 0,1

n.s.

Leukocytes, maximum postoperative [k/UL]

17,6 ± 1,1

14,3 ± 0,1

< 0,01

Serumcreatinine, postoperative [mg/dl]

2,4 ± 0,15

1,6 ± 0,02

< 0,001

Higher serum sodium postoperative [mmol/l]

145,9 ± 0,5

143,7 ± 0,05

< 0,001