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Does thiopentone delay recovery in children premedicated with midazolam?

P Morley-Forster1, J D McAllister, H Vandenberghe

  • 1Department of Anesthesia, St. Joseph's Health Centre, University of Western Ontario, London, Canada.

Paediatric Anaesthesia
|January 1, 1997
PubMed

Insights

For pediatric surgical patients premedicated with midazolam, intravenous thiopentone induction slightly prolongs anesthesia emergence compared to halothane inhalation induction. This impacts postoperative recovery times in children.

Area of Science:

  • Anesthesiology
  • Pediatric Surgery

Background:

  • Midazolam premedication is common in pediatric surgical outpatients.
  • Anesthesia induction methods can influence postoperative recovery.

Purpose of the Study:

  • To compare the effects of intravenous thiopentone versus halothane inhalation induction on anesthesia emergence in pediatric surgical outpatients.
  • To evaluate postoperative recovery in children premedicated with midazolam.

Main Methods:

  • Prospective, randomized trial involving 100 children (1-10 years) undergoing ENT surgery.
  • Patients received midazolam and atropine, then randomized to halothane or thiopentone induction.
  • Standardized anesthetic protocol followed, with extubation time and sedation assessed.

Main Results:

  • Thiopentone induction group had significantly longer time to extubation (8.8 vs 7.1 min, P < 0.05).
  • Thiopentone group showed greater initial sedation in the Post-Anesthesia Recovery Room (PARR).
  • Sedation differences diminished within 30 minutes post-anesthesia.

Conclusions:

  • Intravenous thiopentone induction slightly prolongs anesthesia emergence in midazolam-premedicated pediatric surgical patients compared to halothane.
  • Anesthesia induction choice impacts early postoperative recovery in children.

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