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An optimum time for intravenous cannulation after induction with sevoflurane in children

Ashutosh Joshi1, Sumin Lee, Dilip Pawar

  • 1Department of Paediatric Anaesthesia, KK Women's and Children's Hospital, Singapore. 09ashutosh@gmail.com

Paediatric Anaesthesia
|February 8, 2012
PubMed

Insights

For safe intravenous cannulation in children after sevoflurane induction, wait 3.5 minutes after loss of eyelash reflex. This ensures successful IV placement without movement or airway issues.

Area of Science:

  • Anesthesiology
  • Pediatric Anesthesia

Background:

  • Inhalational induction with sevoflurane is common in pediatric anesthesia.
  • Optimal timing for subsequent intravenous cannulation after sevoflurane induction is not well-established.

Purpose of the Study:

  • To determine the safe and optimal time for intravenous cannulation following sevoflurane inhalational induction in pediatric patients.

Main Methods:

  • The study involved pediatric patients aged 4-10 years undergoing sevoflurane induction.
  • The up-and-down method with 30-second increments was used to determine cannulation time.
  • Successful cannulation was defined as no movement, coughing, or laryngospasm.

Main Results:

  • The estimated time for effective intravenous cannulation in 50% of patients was 1.90 minutes.
  • The time for effective cannulation in 95% of patients was determined to be 3.32 minutes.

Conclusions:

  • An optimal waiting time of 3.5 minutes after loss of eyelash reflex is recommended for intravenous cannulation.
  • This timing aims to ensure successful and safe IV access post-sevoflurane induction in children.
Abstract

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