Related Experiment Videos
Induction dose of propofol in children
D K Patel1, P A Keeling, G B Newman
1Queen Mary's Hospital for Children, Carshalton, Surrey.
Anaesthesia
|November 1, 1988
Summary
This study determined the effective dose of propofol for pediatric anesthesia induction. Lower propofol doses were needed for children premedicated with trimeprazine, but pain and movement were common side effects.
Area of Science:
- Anesthesiology
- Pediatric Pharmacology
Background:
- Propofol is a common intravenous anesthetic induction agent.
- Determining precise anesthetic doses for pediatric patients is crucial for safe and effective procedures.
Purpose of the Study:
- To assess the 50% effective dose (ED50) and 90% effective dose (ED90) of propofol for intravenous anesthesia induction in children.
- To evaluate the influence of oral trimeprazine premedication on propofol dosage requirements.
Main Methods:
- A study involving 144 children aged 1-12 years.
- Assessment of propofol doses for loss of eyelash reflex and facemask tolerance.
- Comparison of doses in unpremedicated children versus those premedicated with oral trimeprazine.
Main Results:
- The ED50 for loss of eyelash reflex was 1.6 mg/kg in unpremedicated children and 1.1 mg/kg with trimeprazine.
- The ED90 for loss of eyelash reflex was 2.8 mg/kg in unpremedicated children and 2.0 mg/kg with trimeprazine.
- Pain (27%) and movement (21.5%) on induction were frequently observed.
Conclusions:
- Trimeprazine premedication reduces the required propofol induction dose in children.
- Pain and movement are significant adverse events during propofol induction in pediatric patients.
- Further research may be needed to optimize propofol administration and mitigate side effects in children.