Background Infusion Is Not Beneficial during Labor Patient-controlled Analgesia with 0.1% Ropivacaine plus 0.5 μg/ml Sufentanil

Author:

Boselli Emmanuel1,Debon Richard1,Cimino Yann1,Rimmelé Thomas1,Allaouchiche Bernard1,Chassard Dominique2

Affiliation:

1. Staff of Anesthesiologists.

2. Professor of Anesthesiology and Intensive Care Medicine.

Abstract

Background Although patient-controlled epidural analgesia (PCEA) during labor has been extensively studied in recent clinical trials, the role of a background infusion associated with self-administered boluses is still debated. The authors designed a study to assess whether the use of PCEA with or without background infusion could improve the comfort of parturients and their satisfaction during labor and delivery without affecting the total consumption of local anesthetics. Methods One hundred thirty-three laboring parturients requesting epidural analgesia administered via PCEA with a solution of 0.1% ropivacaine plus 0.5 microg/ml sufentanil were randomly assigned to four groups, according to the rate of background infusion used (0, 3, 6, and 9 ml/h). Local anesthetic requirements, maternal satisfaction, verbal pain scores, incidence of side effects, and outcome of labor were compared among groups. Results Patient demographics, labor characteristics, side effects, and Apgar scores were similar in each group. No significant differences were observed between groups in verbal pain scores during labor, number of supplemental boluses, or maternal satisfaction. A significantly greater overall total drug consumption with a 6-ml/h or a 9-ml/h background infusion (74 and 78 ml, respectively) was observed in comparison with PCEA without a background infusion (55 ml). A similar relation was observed for hourly use during both the first and the second stage of labor. Conclusion The results of this study suggest that the use of a background infusion with PCEA during labor leads to a greater consumption of anesthetic solution without improving comfort and satisfaction of parturients. Moreover, not using a background infusion does not provide an increased incidence of supplemental boluses (which might cause problems in a busy unit) and allows for a substantial reduction in the cost of analgesia.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Anesthesiology and Pain Medicine

Reference16 articles.

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