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Pediatric characteristics and the dose of propofol for sedation during radiological examinations: a retrospective
Ji Young Min1, Jeong-Rim Lee2, Yhen Seoung Kang3
1Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Republic of Korea.
Insights
The dose of propofol for pediatric sedation during imaging depends on a child's age, height, and body surface area. A new formula helps estimate the required propofol dose for effective sedation.
Area of Science:
- Pediatric Anesthesiology
- Medical Imaging Sedation
Background:
- Sedation is crucial for pediatric imaging procedures.
- Determining appropriate propofol dosage in children can be challenging.
- Patient characteristics influence anesthetic requirements.
Purpose of the Study:
- To identify patient factors affecting propofol dosage for pediatric sedation during imaging.
- To develop a predictive formula for propofol dose estimation in this population.
Main Methods:
- Retrospective observational study of 925 children (0-18 years) undergoing imaging under propofol sedation.
- Analysis of patient demographics, propofol doses, and sedation duration.
- Regression analysis to identify predictors of propofol dose.
Main Results:
- Propofol dose was significantly correlated with age, height, weight, and body surface area.
- A multiple linear regression formula was derived: Propofol dose (mg) = 0.75 + 0.14 × age (months) + 45.82 × body surface area (m²).
Conclusions:
- Child's age, height, and body surface area are key factors in determining propofol induction dose.
- The proposed formula offers a reliable method for estimating propofol dosage for pediatric sedation in imaging settings.
Objective:
The present study aimed to investigate patients' characteristics that can affect the dose of propofol required to sedate children undergoing imaging.
Methods:
In this retrospective, observational study, we reviewed medical records of children aged 0 to 18 years who were classified as having American Society of Anesthesiologists status 1 or 2 and they underwent imaging under propofol sedation between January 2011 and August 2016. Collected data included patients' demographics, propofol doses, duration of sedation, and complications. Regression analysis was performed to determine patients' characteristics that may affect the dose of propofol required to induce sedation.
Results:
A total of 925 patients were included. Simple linear regression showed that the dose of propofol was correlated with age, height, weight, and body surface area. Using the results of multiple linear regression, the following formula was used to estimate the dose of propofol (mg) for sedation: 0.75 + 0.14 × age (months) + 45.82 × body surface area (m2).
Conclusion:
A child's age, height, and body surface area should be considered when deciding the induction dose of propofol. Additionally, the formula that we have proposed can be used to estimate the dose of propofol required to induce sedation in children undergoing imaging.
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