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Midazolam reduces vomiting after tonsillectomy in children
W M Splinter1, H B MacNeill, E A Menard
1Department of Anaesthesia, University of Ottawa, Ontario, Canada.
Summary
Midazolam administered intravenously during surgery significantly reduced vomiting in children after tonsillectomy. This intervention also lowered hospital readmissions due to post-operative nausea and vomiting.
Area of Science:
- Anesthesiology
- Pediatric Surgery
- Pharmacology
Background:
- Post-tonsillectomy nausea and vomiting (PONV) is a common complication in children.
- Effective PONV prophylaxis is crucial for pediatric surgical recovery and reducing hospital resource utilization.
Purpose of the Study:
- To evaluate the efficacy of intraoperative intravenous midazolam in preventing vomiting after pediatric tonsillectomy or adenotonsillectomy.
Main Methods:
- A double-blind, placebo-controlled study involving 215 children (1.5-14 years) undergoing tonsillectomy/adenotonsillectomy.
- Participants received either midazolam (75 µg/kg IV) or placebo after anesthesia induction.
- Post-operative emetic episodes and hospital stay duration were recorded.
Main Results:
- The midazolam group showed a significantly lower incidence of vomiting (42% vs. 57%, P < 0.02).
- The placebo group experienced a higher rate of unscheduled hospital admissions due to nausea and vomiting (9% vs. 2%, P < 0.05).
Conclusions:
- Intraoperative intravenous midazolam is effective in reducing post-tonsillectomy vomiting in children.
- Midazolam administration may decrease the incidence of hospital readmissions related to PONV.