Post-induction alfentanil reduces sevoflurane-associated emergence agitation in children undergoing an

J Y Kim1, Y J Chang, J Y Lee

  • 1Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Korea.

Insights

Alfentanil effectively prevents emergence agitation in children after sevoflurane anesthesia for adenotonsillectomy. This opioid reduces agitation without prolonging recovery time, offering a safe option for pediatric patients.

Area of Science:

  • Pediatric Anesthesiology
  • Pharmacology
  • Surgical Recovery

Background:

  • Emergence agitation is a frequent complication in pediatric anesthesia, particularly following sevoflurane-based volatile induction and maintenance anesthesia (VIMA).
  • This phenomenon can complicate postoperative care and patient experience.

Purpose of the Study:

  • To evaluate the efficacy of alfentanil in preventing emergence agitation.
  • To assess if alfentanil delays recovery after VIMA with sevoflurane in pediatric adenotonsillectomy patients.

Main Methods:

  • A randomized controlled trial involving 105 children (3-10 years) undergoing adenotonsillectomy.
  • Participants received either normal saline, alfentanil 10 mcg/kg, or alfentanil 20 mcg/kg post-induction.
  • Outcomes measured included tracheal extubation time, recovery time, and the Pediatric Anesthesia Emergence Delirium (PAED) scale.

Main Results:

  • Both alfentanil groups (10 and 20 mcg/kg) showed significantly lower incidence of severe agitation compared to the control group.
  • The PAED scale scores were significantly lower in the alfentanil groups versus the control.
  • No significant differences in agitation or PAED scores were observed between the two alfentanil dosage groups.
  • Tracheal extubation and recovery times remained similar across all groups.

Conclusions:

  • Alfentanil at 10 mcg/kg is effective in reducing emergence agitation in children undergoing adenotonsillectomy with VIMA.
  • This intervention does not appear to delay recovery or cause significant hypotension.
  • Alfentanil represents a viable option for managing emergence agitation in this pediatric surgical population.
Abstract

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