Clinical Study
Spinal Anesthesia for Knee Arthroscopy Using Isobaric Bupivacaine and Levobupivacaine: Anesthetic and Neuroophthalmological Assessment
Table 3
Characteristics of intrathecal blockades for bupivacaine and levobupivacaine.
| | | Bupivacaine
() | Levobupivacaine
() | P value |
| | Time to sensory blockade onset (T12) (min) | 1.5 (1–10) | 3 (1-2) | 0.018* | | Onset to T8 (min) | 5.5 (2–42) | 9 (1–25) | 0.495 | | Onset to T4 (min) | 4.5 (3–26) | 6 (4–53) | 0.351 | | Highest sensory blockade level (dermatome) | T3 (T2–T12) | T6 (T2–T12) | 0.008* | | Time to maximum sensory blockade (min) | 14 (5–42) | 15 (2–53) | 0.079 | | Sensory regression (min) | 153 (20–312) | 154 (52–317) | 0.429 | | Motor onset time (min) | 3 (1–15) | 7 (1–15) | 0.003* | Maximum motor blockade
(patients with Bromage 2/patients with Bromage 3) | 1/27 | 5/26 | 0.122 | | Time to maximum motor blockade (min) | 15 (3–38) | 40 (6–83) | 0.014* | | Motor block regression (min) | 208.5 (130–357) | 198 (55–310) | 0.24 | | Time to micturate (min) | 256.5 (95) | 248 (90.64) | 0.728 | | Time to analgesia (min) | 297 (146–444) | 247 (184–436) | 0.025* |
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|
min: minutes.
*A significant result takes a P value of < 0.05. Data are presented as medians (range) or means (SD).
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