Analgesic Efficacy of Two Concentrations of Bupivacaine in Women in Labor

Summary

Abstract. Epidural analgesia is the most safe and effective for the treatment of pain of childbirth method. Epidural Bupivacaine provided excellent analgesia for labor and remains the most widely used local anesthetic in obstetric anesthesia. Objective: To evaluate the analgesic efficacy of two concentrations of bupivacaine in women in labor. Methods: 114 patients were included in labor with term pregnancy. Were grouped randomly into two groups: patients who received bupivacaine 0.125 % (Group A) and 0.25% bupivacaine (group B). Patients in group A received 10 ml of 0.125% bupivacaine bolus. The patients in group B received 10 ml. Bupivacaine 0.25% bolus. Pain intensity according to VAS, blood pressure, heart rate, respiratory rate, degree of motor block was assessed using the Bromage scale at different periods of time. Results: Demographic characteristics and parity were compared, no statistically significant differences. By comparing the values of the VAS measure 0, 15, 30, 60 and 90 minutes into statistically significant differences in favor of the group with 0.25% Bupivacaine with decreased pain perception after 30 minutes, p-value found 0.02. No differences in arterial pressure, heart rate and respiratory rate were found between the two groups. Conclusion: The concentration of 0.25% Bupivacaine has greater analgesic efficacy compared with 0.125% bupivacaine.

Timeline

Start

2013-06

Primary completion

2013-10

Completion

2013-10

Publications

• Results Rodríguez-Ramón R, Márquez-González H, Jiménez-Báez MV, Iparrea-Ramos IC. Analgesic efficacy of two concentrations of bupivacaine in women in labor: Randomized, controlled, triple blind clinical trial. Colombian Journal of Anesthesiology, Volume 43, Issue 3, July-September 2015, Pages 179-185

Drugs

Indications