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Intrathecal ropivacaine in cesarean delivery
1Haydarpasa Numune Training and Research Hospital, Anesthesiology and Reanimation, Uskudar, Istanbul, Turkey.
Nigerian Journal of Clinical Practice
|December 2, 2017
Summary
This study evaluated ropivacaine doses for spinal anesthesia in cesarean sections. Ropivacaine 15 mg and 20 mg provided satisfactory anesthesia, with longer block duration at higher doses.
Area of Science:
- Anesthesiology
- Obstetric Anesthesia
Background:
- Spinal anesthesia is commonly used for cesarean sections.
- Optimizing local anesthetic dosage is crucial for effective anesthesia and patient safety.
Purpose of the Study:
- To determine the optimal intrathecal dose of ropivacaine for cesarean sections.
- To compare the anesthetic effects of three different ropivacaine doses (15 mg, 20 mg, 25 mg).
Main Methods:
- Sixty pregnant patients undergoing elective cesarean section were randomized into three groups.
- Each group received a different dose of isobaric ropivacaine 1% (15 mg, 20 mg, or 25 mg) intrathecally.
- Intraoperative hemodynamics and block characteristics were monitored.
Main Results:
- No significant differences in intraoperative hemodynamic variables were observed between groups.
- Sensory and motor block onset and regression times were similar, although the time to two-segment sensory block regression was significantly longer with 25 mg ropivacaine.
- Higher ropivacaine doses showed a trend towards longer motor block duration, but this was not statistically significant.
Conclusions:
- Intrathecal ropivacaine provides rapid induction and satisfactory anesthesia for cesarean sections.
- Ropivacaine doses of 15 mg and 20 mg are considered satisfactory for spinal anesthesia in this context.
- The 25 mg dose resulted in a significantly longer duration of sensory block.
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