Table 2.
Nerve block characteristics and incidence of hemodynamic side-effects. Values are mean ± SD or number (proportion)
| Control group (n = 27) |
Dexmedetomidine group (n = 28) |
P value | |
|---|---|---|---|
| Block performance time (min) | 4 ± 1 | 4 ± 1 | 0.939 |
| Onset of sensory block (min) | 21 ± 4 | 16 ± 3 | 0.000 |
| Onset of motor block (min) | 25 ± 3 | 19 ± 4 | 0.000 |
| Duration of sensory block (min) | 571 ± 90 | 783 ± 108 | 0.000 |
| Duration of motor block (min) | 612 ± 90 | 865 ± 104 | 0.000 |
| Duration of analgesia (min) | 661 ± 83 | 887 ± 92 | 0.000 |
| Cumulative tramadol consumption during 24 h after surgery (mg) | 33 ± 44 | 20 ± 37 | 0.215 |
| Number of patients requiring tramadol during 24 h after surgery | 12 (44%) | 7 (25%) | 0.162 |
| Incidence of PONV | 3 (11%) | 6 (21%) | 0.469 |
| Incidence of hypotension | 1 (4%) | 0 | 0.491 |