Higher doses of fentanyl during bronchoscopy in infants significantly reduces perioperative complication rates

Marinov Ts1, M Belitova1, T M Popov2

  • 1Department of Anesthesiology and Intensive Care, Medical University-Sofia, Sofia, Bulgaria.

Insights

Higher fentanyl doses during infant rigid bronchoscopy significantly reduced perioperative complications like bronchospasm and laryngospasm. This refinement improves intraoperative hemodynamics without new risks.

Area of Science:

  • Anesthesiology
  • Pediatric Surgery
  • Otolaryngology

Background:

  • Rigid bronchoscopy is a common procedure for foreign body removal in infants.
  • Anesthesia management for rigid bronchoscopy in infants aims to minimize hemodynamic instability and complications.
  • Current anesthetic protocols may not fully optimize outcomes for this vulnerable population.

Purpose of the Study:

  • To evaluate the impact of higher fentanyl doses on perioperative complication rates in infants undergoing rigid bronchoscopy.
  • To assess the effect of increased fentanyl administration on intraoperative hemodynamic parameters.

Main Methods:

  • A prospective cohort study involving 60 infants undergoing rigid bronchoscopy for foreign body removal.
  • Random assignment of infants into two groups: lower fentanyl dose (1-2 μg/kg) and higher fentanyl dose (6-7 μg/kg).
  • Monitoring and recording of hemodynamic parameters and perioperative complications.

Main Results:

  • Infants receiving higher fentanyl doses exhibited significantly lower heart rate, systolic, and diastolic blood pressure post-intubation and post-extubation compared to the lower dose group.
  • Bronchospasm and laryngospasm were significantly more frequent in the lower fentanyl dose group (p=0.020).
  • The association between lower fentanyl dose and increased complications showed moderate strength (V=0.302).

Conclusions:

  • Higher doses of fentanyl during rigid bronchoscopy in infants are associated with reduced perioperative complications.
  • Increased fentanyl administration improves intraoperative hemodynamics in this pediatric population.
  • Refinement of anesthetic protocols with higher fentanyl doses is proposed for safer infant rigid bronchoscopy.
Abstract

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