ORIGINAL ARTICLE
Year : 2015  |  Volume : 8  |  Issue : 2  |  Page : 217-222

Addition of magnesium sulfate to caudal block for preventing emergence agitation in sevoflurane-based anesthesia in children


Department of Anesthesiology, Intensive Care, and Pain Management, Faculty of Medicine, Ain Shams University, Cairo, Egypt

Correspondence Address:
Ashraf E El-Agamy
Department of Anesthesiology, Intensive Care, and Pain Management, Faculty of Medicine, Ain Shams University, PO Box 11331, Cairo
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1687-7934.156691

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Background Postoperative emergence agitation (EA) is still a problem in sevoflurane-based anesthesia in children. Among the solutions of this problem is giving caudal anesthesia during operations in the lower half of the body. The aim of this study was to evaluate the addition of magnesium sulfate to bupivacaine in caudal block for the prevention of EA. Materials and methods In this prospective, randomized, double-blind study, 80 children aged 1-6 years, ASA I, undergoing unilateral hernia repair/orchiopexy with sevoflurane-based anesthesia were allocated into one of two groups: either bupivacaine 1 ml/kg 0.25% plus magnesium 50 mg (BM group) or bupivacaine 1 ml/kg 0.25% (B group) received in caudal block. EA was evaluated in both groups using the Pediatric Anesthesia Emergence Delirium scale and Aono's scale. The sedation score, the recovery time, and the occurrence of complications were assessed during the stay in the postanesthesia care unit. Results Only 72 children completed the study (36 in each group). There was a statistically significant difference in the Pediatric Anesthesia Emergence Delirium scale, the value being lower in the BM group than in the B group at 5 min [6 (5-17) compared with 8 (5-18)] (P < 0.001) and at 10 min [5 (4-16) compared with 6 (4-13)] (P < 0.001) postoperatively. Aono's scale showed that the incidence of EA was significantly lower in the BM group than in the B group (P = 0.003). The sedation score was significantly higher in the BM group than in the B group at 15 min (P = 0.001). In contrast, the duration of motor block after operation was similar in both groups. Conclusion The use of caudal magnesium sulfate (50 mg) combined with bupivacaine 0.25% was effective in reducing postoperative EA in preschool children undergoing hernia repair/orchiopexy procedures.


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