Group | Ts (second) | Tr (second) | RPPr (100%) | RPPe (100%) |
|---|
B40 | 39 ± 7 | 34 ± 14 | 55 ± 10 | 37 ± 10 |
B60 | 40 ± 10 | 44 ± 12*†
| 50 ± 14*
| 29 ± 9*
|
B80 | 40 ± 8 | 62 ± 11*†
| 43 ± 7*
| 18 + 3*†
|
B100 | 39 ± 9 | 74 ± 10*†
| 33 ± 8*†‡
| 15 ± 4*†
|
B120 | 38 ± 11 | 80 ± 88*†‡
| 22 ± 5*†‡
| 8 ± 3*†‡
|
B140 | 42 ± 7 | 81 ± 6*†‡
| 16 ± 3*†‡
| 5 ± 1*†‡
|
B160 | 38 ± 4 | 84 ± 10*†‡
| 13 ± 3*†‡
| 4 ± 2*†‡
|
- All values are given as mean ± SD, n = 6 for each group. Ts = the time from initiation of bupivacaine infusion to asystole, Tr = the time since the end of bupivacaine infusion to cardiac recovery, RPPr = the ratio of the maximum rate-pressure product during recovery to baseline value, RPPe = the ratio of the rate-pressure product at the end of infusion time to baseline value.
-
*P < 0.05, compared with B40 group.
-
†P < 0.05, compared with B60 group.
-
‡P < 0.05, compared with B80 group.
