Propofol versus Fentanyl for Sedation in Pediatric Bronchoscopy: A Randomized Controlled Trial
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Updated: Jan 1, 2026

Guidelines for Elective Pediatric Fiberoptic Intubation
Published on: January 17, 2011
P K G Gunathilaka1, Kana Ram Jat1, Jhuma Sankar1
1Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India.
Insights
Propofol provides faster conscious sedation for pediatric flexible bronchoscopy than fentanyl. It resulted in less coughing, quicker recovery, and higher physician satisfaction with no increased side effects.
Area of Science:
- Pediatric Pulmonology
- Anesthesiology
- Critical Care Medicine
Background:
- Flexible bronchoscopy is a common pediatric procedure requiring conscious sedation.
- Choosing the optimal sedative agent is crucial for patient safety and procedural success.
Purpose of the Study:
- To compare the efficacy and safety of propofol versus fentanyl for inducing conscious sedation in children undergoing flexible bronchoscopy.
Main Methods:
- A randomized controlled trial was conducted with 53 children (aged 3-15 years).
- Participants received either intravenous propofol or fentanyl for sedation.
- Outcomes included time to sedation, need for adjuvant medication, physician satisfaction, cough, recovery, and side effects.
Main Results:
- Propofol achieved conscious sedation significantly faster than fentanyl (15.7s vs 206s).
- The propofol group showed higher physician satisfaction, less coughing, and reduced need for midazolam.
- No significant differences in drug side effects were observed between the groups.
Conclusions:
- Propofol is more effective than fentanyl for rapid conscious sedation in pediatric flexible bronchoscopy.
- Propofol offers benefits including reduced coughing, faster recovery, and improved physician satisfaction.
- Both agents were found to be safe with comparable side effect profiles.
Objective:
To compare propofol and fentanyl to induce conscious sedation in children undergoing flexible bronchoscopy.
Study Design:
Randomized controlled trial.
Setting:
Pediatric Pulmonology division at a tertiary care center in Delhi, India.
Participants:
Children aged 3-15 years who underwent flexible bronchoscopy.
Intervention:
Children received either intravenous propofol 1 mg/kg administered as a slow bolus over 1 minute followed by 2 mg/kg/hour infusion, or intravenous Fentanyl 2 µg/kg administered as a slow bolus over one minute.
Outcomes:
Primary outcome was time to achieve conscious sedation (Ramsay score 3). Secondary outcomes were need for adjuvant midazolam, physician satisfaction, level of cough, recovery features, and side-effects in the groups.
Results:
53 children (propofol 27, fentanyl 26) were enrolled in the study. The mean (SD) time taken to achieve Ramsay score 03 was lower in propofol than fentanyl [15.7 (4.4) s vs 206 (55) s, P<0.001]. Propofol arm had significantly higher physician satisfaction, less requirement of adjuvant midazolam, less coughing and faster regain of full consciousness. There was no difference in drug side-effects between the groups.
Conclusions:
Propofol has a shorter sedation induction time, less coughing during procedure, less recovery time, and better physician satisfaction compared to fentanyl for flexible bronchoscopy in children.
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