Variables

Group I

(n = 42)

Group II

(n = 46)

p value

CPB time (min) ± SD

55 ± 18.3

50 ± 21

0.043

Cross-clamp time (min) ± SD

23.1 ± 16.0

22 ± 18

0.034

Time spent in the intensive care unit ± SD

1.6 ± 0.9

1.6 ± 1.4

ns (4)

Prolonged mechanical ventilation n.%

1 (2.3)

none

0.806 (1)

Orotracheal reintubation during hosp..n. %

1 (2.3)

none

< 0.001 (2)

Readmission to the intensive care unit n.%

1 (2.3)

1 (2.1)

0.856 (2)

Bleeding chest tubes (mL) ± SD

450 ± 280

430 ± 260

0.032 (4)

Time of hospitalization (days) ± SD

5.9 ± 8.7

5.8 ± 7.6

0.088 (4)

Cerebrovascular accident. n. (%)

1 (0.5)

none

0.623 (3)

Acute renal failure n. (%)

1 (0.9)

none

1.000 (3)

Cell saver (ml) ± SD

135.1 ± 291

95.3 ± 221

0.001 (2)

Packed red

1.5 ± 1.9

1.9 ± 2.0

< 0.001 (2)

Use of fresh frozen plasma 172 (7.9)

85 (10.8)

87 (6.2)

< 0.001 (2)

Use of platelet concentrae

56 (7.1)

51 (3.6)

< 0.001 (2)

Dialysis n. (%)

1 (0.5)

none (3)

Infections (wound)n. (%)

3 (6.5)

2 (7.4)

0.705 (2)

Mediastinitis n. (%)

none

none

Urinary tract infection

none

none (3)

Pneumonia

none

none

Arrhythmia n. (%)

7 (14.9)

8 (14.4)

0.892 (2)

Intraoperative death

none

none (3)

Death within 30 days

none

none