Table 2.
Results of pH analysis with Khuri Intramyocardial pH probe
| Total Ph | Recoverers | non recoverers | p value | |
| Initial pH | 7.133 (SD 0.0635) range 6.974–7.239 |
7.132 (SD 0.0121) | 7.134 (SD 0.0305) | 0.958 |
| pH after 1st XC | 6.381 (SD 0.165) range 6.034–6.684 |
6.445 (SD 0.126) | 6.317 (SD 0.183) | 0.124 |
| pH Recovery after 1st XC | 6.723 (SD 0.324) range 6.200–7.222 |
6.990 (SD 0.561) range 6.808–7.222 |
6.455 (SD 0.067) range 6.2000–6.737. |
<0.0005 |
| pH after 2nd XC | 6.495 (SD 0.192) range 6.118 – 6.820 |
6.610 (SD 0.131) | 6.381 (SD 0.180) | 0.012 |
| Ph Recovery after 2nd XC | 6.769 (SD 0.303) range 6.210 – 7.159 |
7.005 (SD 0.1193) | 6.537 (SD 0.240) | <0.0005 |
| pH after 3rd XC | 6.530 (SD 0.267) range 6.19 to 6.89 |
6.736 (SD 0.159) | 6.376 (SD 0.224) | 0.006 |
| pH recovery after 3rd XC | 6.919 (SD 0.304) range 6.23 to 7.28 |
7.081 (SD 0.0838) | 6.798 (SD 0.356) | 0.084 |
| Final pH | 7.050 (SD 0.188) range 6.55–7.33. |
7.062 (SD 0.0945) | 7.038 (SD 0.258) | 0.810 |
| pH drop for each period of cross clamping | ||||
| Drop in 5 mins 1st XC | 0.355 (SD 0.0690) | 0.320 (SD 0.165) | ||
| Drop in 5 mins 2nd XC | 0.186 (SD 0.175) | 0.0742 (SD 0.0708) | ||
| Drop in 5 mins 3rd XC | 0.152 (SD 0.0696) | 0.103 (SD 0.119) | ||
| P value | 0.009 | |||