Table 1. Mean ± standard deviation (SD) of body weight, length of epidural cranial migration and number of vertebral body segments dyed cranially by MB after epidural injection in anaesthetized non-pregnant and pregnant sheep.
Non-pregnant | Pregnant | |||||
MB volume (mL/kg) | 0.05 | 0.1 | 0.2 | 0.05 | 0.1 | 0.2 |
Body weight (kg) | 46.72±1.1 | 51.14±5.9 | 48.16±5.6 | 46.50±4.6 | 46.74±2.4 | 50.17±1.4 |
Length of epidural cranial migration (cm) | 14.3±1.3a | 22.4±6.5a b | 37.16±3.8a b c | 19.2±3.0a b c d | 27.3±4.5a b c d e | 41.6±1.8a b c d e |
Number of stained vertebral body segments (cranial) | 1.9±0.7a | 4.9±0.9a b | 7.7±0.6a b c | 4.6±0.5a b c d | 7.2±0.8a b c d e | 12.5±0.6a b c d e |
Range | L6–L5 | L4–L3 | L1–T13 | L4–L3 | L1–T13 | T8–T9 |
Same letters within a row indicate a statistical difference (P<0.001).