Table 2.
Hemodynamic changes of the study groups at different moments
| Group M (n=30) | Group B (n=30) | Group C (n=30) | P-valuea | |
|---|---|---|---|---|
| Blood pressure | ||||
| T0 | 94.5 ± 9.9 | 95.6 ± 11.6 | 93.4 ± 12.3 | 0.751 |
| T1 | 92.1 ± 8.0 | 93.6 ± 10.1 | 94.6 ± 10.7 | 0.607 |
| T2 | 92.9 ± 9.1 | 95.9 ± 9.7 | 96.7 ± 12.8 | 0.344 |
| T3 | 91.1 ± 8.4 | 90.7 ± 7.6 | 87.3 ± 9.8 | 0.181 |
| T4 | 91.7 ± 10.0 | 95.4 ± 8.7 | 94.2 ± 11.0 | 0.349 |
| T5 | 93.9 ± 9.2 | 97.4 ± 10.3 | 93.6 ± 10.3 | 0.264 |
| T6 | 93.5 ± 6.4 | 93.8 ± 8.2 | 96.4 ± 8.2 | 0.277 |
| T7 | 94.4 ± 5.4 | 93.2 ± 6.4 | 95.1 ± 5.8 | 0.438 |
| Heart rate | ||||
| T0 | 74.7 ± 7.7 | 76.6 ± 9.7 | 75.1 ± 8.4 | 0.682 |
| T1 | 75.9 ± 8.2 | 74.3 ± 9.5 | 77.0 ± 10.1 | 0.513 |
| T2 | 74.0 ± 9.5 | 74.5 ± 12.2 | 76.4 ± 10.3 | 0.672 |
| T3 | 73.5 ± 8.4 | 69.6 ± 7.1 | 73.1 ± 7.6 | 0.101 |
| T4 | 73.5 ± 8.5 | 69.3 ± 9.0 | 71.9 ± 9.0 | 0.183 |
| T5 | 72.6 ± 6.3 | 69.3 ± 6.7 | 71.8 ± 7.5 | 0.166 |
| T6 | 71.2 ± 7.4 | 66.5 ± 9.4 | 70.3 ± 7.1 | 0.058 |
| T7 | 71.7 ± 6.0 | 69.6 ± 6.8 | 72.2 ± 8.5 | 0.343 |
Abbreviations: T0 After patient admission, T1 10 min after intrathecal block, T2 1 min after double-lumen tracheal intubation, T3 1 min before surgical cut, T4 1 min after surgical cut, T5 5 min after surgical cut, T6 at the end of surgery and T7 30 min after extubation