Table 2: Intraoperative variables.

Variable

Group I

(N = 25)

Group II

(N = 65)

p

Ax time (min)

262.08 ± 53.10

268.62 ± 58.18

0.626

Qx time (min)

207.40 ± 44.53

207.22 ± 59.08

0.989

CEC time (min)

78.08 ± 33.65

78.95 ± 40.94

0.925

PAo time (min)

45.52 ± 29.37

43.00 ± 33.38

0.741

Cardiac arrest

(yes/no)

3/22

20/45

0.067

PaCO2-1 (mmHg)

36.76 ± 10.08

41.22 ± 10.68

0.000*

HCO3-1 (mmol/L)

22.22 ± 4.16

22.96 ± 3.44

0.009*

Ax = anesthetic;

Qx = surgical;

CEC = extracorporeal circulation;

PAo = aortic impingement;

PaCO2-1 = carbon dioxide blood pressure after aortic impingement;

HCO3-1: = serum sodium bicarbonate after impingement.

* Statistical significance.