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Ephedrine to treat intraoperative hypotension in infants: what is the target?
Jurgen C de Graaff1, Peter Frykholm2
1Department of Anaesthesiology, ADRZ-Erasmus MC, Goes, the Netherlands.
Insights
Off-label medication use in pediatric anesthesia is common due to limited evidence-based dosing for children. New studies are crucial to establish safe and effective pediatric dosing regimens, especially for infants, to avoid adverse effects.
Area of Science:
- Pediatric Anesthesiology
- Pharmacology
- Clinical Trials
Background:
- Off-label medication use is prevalent in pediatric anesthesia due to a lack of evidence-based dosing guidelines for children.
- Pediatric dosing often relies on adult parameters or local practices, increasing the risk of unanticipated adverse effects.
- Infant-specific dose-finding studies are critically needed to address this evidence gap.
Discussion:
- The challenges of off-label drug administration in pediatric anesthesia require careful consideration.
- Defining and treating hypotension in pediatric anesthesia presents complexities, with ambiguity in treatment goals (e.g., restoring mean arterial pressure to baseline vs. exceeding a threshold).
- A recent ephedrine dose-finding study underscores the distinct pharmacokinetic and pharmacodynamic properties of pediatric patients compared to adults.
Key Insights:
- Limited evidence-based dosing regimens necessitate frequent off-label medication use in pediatric anesthesia.
- Pediatric dosing requires specific studies due to unique physiological responses, distinct from adult parameters.
- Clearer definitions and treatment strategies for anesthetic-induced hypotension in children are essential.
Outlook:
- Future research should prioritize well-designed, infant-focused dose-finding studies for commonly used anesthetic agents.
- Standardizing definitions and treatment protocols for pediatric hypotension will improve patient safety.
- Promoting evidence-based practices in pediatric anesthesia is vital for optimizing patient outcomes.
Abstract:
Off-label use of medications in paediatric anaesthesia is common practice, owing to the relative paucity of evidence-based dosing regimens in children. Well-performed dose-finding studies, especially in infants, are rare and urgently needed. Unanticipated effects can result when paediatric dosing is based on adult parameters or local traditions. A recent dose-finding study on ephedrine highlights the uniqueness of paediatric dosing in comparison with adult dosing. We discuss the problems of off-label medication use and the lack of evidence for various definitions of hypotension and associated treatment strategies in paediatric anaesthesia. What is the aim of treating hypotension associated with anaesthesia induction: restoring the MAP to awake baseline values or elevating it above a provisional hypotension threshold?
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