Is intrathecal bupivacaine plus dexmedetomidine superior to bupivacaine in spinal anesthesia for a cesarean section? A systematic review and meta-analysis.
L G Giaccari, F Coppolino, C Aurilio, M C Pace, M B Passavanti, V Pota, P Sansone
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Abstract
Objective: This study aimed to investigate whether the administration of intrathecal dexmedetomidine as a bupivacaine adjuvant for caesarean section can prolong the duration of analgesia compared with bupivacaine alone. Secondary outcomes included postoperative pain, the time interval to the first analgesic request, the level of sedation, the incidence of adverse effects, and the fetal outcomes.
Materials and methods: A systematic review and meta-analysis were conducted. The study compared the intrathecal administration of bupivacaine plus dexmedetomidine (group BD) to the intrathecal administration of bupivacaine alone (group B) for cesarean sections.
Results: Fourteen publications were included. Among patients who underwent spinal anesthesia for a cesarean section, 514 patients received intrathecal bupivacaine alone, and 533 patients received intrathecal bupivacaine plus dexmedetomidine. The onset of sensory and motor block was essentially the same in both groups; the time for sensory and motor block regression was significantly longer in the BD group. Postoperative Visual Analogue Scale (VAS) values were similar in group BD when compared to group B. Postoperative VAS scores remained consistently low in Group BD compared to Group B, starting from 1 hour after surgery. The level of sedation measured at the end of the cesarean section in both groups was almost similar. No difference in terms of safety, adverse events, and neonatal outcomes was found between the two groups.
Conclusions: Use of intrathecal dexmedetomidine for spinal anesthesia in cesarean section significantly prolongs sensory and motor block compared to using bupivacaine alone as an adjuvant. It also improves analgesia after 1 hour with no difference in the incidence of maternal and neonatal adverse effects compared to bupivacaine alone. The optimal dose of dexmedetomidine to use remains to be ingested.
期刊介绍：
European Review for Medical and Pharmacological Sciences, a fortnightly journal, acts as an information exchange tool on several aspects of medical and pharmacological sciences. It publishes reviews, original articles, and results from original research.
The purposes of the Journal are to encourage interdisciplinary discussions and to contribute to the advancement of medicine.
European Review for Medical and Pharmacological Sciences includes:
-Editorials-
Reviews-
Original articles-
Trials-
Brief communications-
Case reports (only if of particular interest and accompanied by a short review)
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