Clinical Study

Oxidant-Antioxidant Balance during On-Pump Coronary Artery Bypass Grafting

Table 3

TOS, TAS, and OSI values of groups.

Whole patients ()Group 1 ()Group 2 ()

TOS levels (mol H2O2 equivalent/L.)
 Preoperative10.14 ± 7.689.53 ± 8.0810.69 ± 7.65
 AC 20 min 8.81 ± 3.578.88 ± 4.208.76 ± 3.23
 Rp 30 min12.47 ± 6.41a9.83 ± 3.1015.12 ± 7.82d
 Rp 6 h11.72 ± 6.609.06 ± 3.3514.16 ± 7.96e
 Rp 48 h8.79 ± 2.837.86 ± 1.5510.08 ± 3.73
TAS levels (mmol Trolox equivalent/L)
 Preoperative1.91 ± 0.311.98 ± 0.371.86 ± 0.25
 AC 20 min1.83 ± 0.241.83 ± 0.201.82 ± 0.29
 Rp 30 min1.79 ± 0.261.74 ± 0.26c1.83 ± 0.27
 Rp 6 h1.92 ± 0.281.82 ± 0.212.01 ± 0.31
 Rp 48 h1.87 ± 0.241.78 ± 0.171.98 ± 0.28
OSI values [(mol H2O2 equivalent/L)/mol Trolox equivalent/L) × 100]
 Preoperative0.54 ± 0.390.45 ± 0.260.61 ± 0.49
 AC 20 min0.48 ± 0.170.49 ± 0.220.47 ± 0.12f
 Rp 30 min0.70 ± 0.36b0.57 ± 0.190.83 ± 0.44g
 Rp 6 h0.61 ± 0.320.50 ± 0.180.70 ± 0.40
 Rp 48 h0.46 ± 0.130.44 ± 0.090.49 ± 0.17

aWhen compared to preoperative value .
bWhen compared to preoperative value .
cWhen compared to preoperative value .
dWhen compared to preoperative value .
eWhen compared to preoperative value .
fWhen compared to preoperative value .
gWhen compared to preoperative value .