Hong JY, Lee IH, Shin SK, Park EY, Ban SY, Cho JE, Kil HK. Caudal midazolam does not affect sevoflurane requirements and recovery in pediatric day-case hernioplasty.
Acta Anaesthesiol Scand 2008;
52:1411-4. [PMID:
19025535 DOI:
10.1111/j.1399-6576.2008.01727.x]
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Abstract
BACKGROUND
This prospective, randomized, double-blind study aimed to determine whether caudal midazolam combined with ropivacaine affects anesthetic requirements, recovery profiles, and post-operative analgesia compared with ropivacaine alone in pediatric day-case hernioplasty.
METHODS
Sixty boys (2-5 years old) received caudal injections of 0.2% ropivacaine 1 ml/kg and epinephrine 1 : 200,000 with (RM group) or without (R group) 50 microg/kg of midazolam under sevoflurane anesthesia. The sevoflurane requirement was determined by adjusting to a bispectral index score=50.
RESULTS
Concentrations of end-tidal sevoflurane (ETsevo%) after induction were similar in both groups. After caudal block, ETsevo% before and after surgical stimuli did not show significant intra- or intergroup differences. Recovery characteristics, including post-operative sedations, were similar in both groups. Post-operative pain scores were significantly lower in the RM group than the R group.
CONCLUSIONS
Caudal midazolam (50 microg/kg) added to 2% ropivacaine did not influence sevoflurane requirement or recovery but improved post-operative analgesia compared with ropivacaine alone in pediatric day-case hernioplasty.
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