Related Experiment Video
Updated: Feb 21, 2026
Use of a Piglet Model for the Study of Anesthetic-induced Developmental Neurotoxicity AIDN: A Translational Neuroscience Approach
Published on: June 11, 2017
What do recent human studies tell us about the association between anaesthesia in young children and
J D O'Leary1,2, D O Warner3
1Department of Anaesthesia and Pain Medicine, The Hospital for Sick Children, 555 University Avenue, Toronto, Ontario M5G 1X8, Canada.
Insights
Anesthetic and sedative drugs may harm developing brains in young children. Recent studies and FDA warnings highlight concerns for pediatric anesthesia toxicity, prompting a review of clinical findings.
Area of Science:
- Neuroscience
- Pediatric Pharmacology
Background:
- Anesthetic and sedative drugs disrupt neural activity for medical procedures.
- Experimental models suggest potential for long-term brain injury in young children.
- The US Food and Drug Administration (FDA) has issued warnings regarding early-life exposure.
Purpose of the Study:
- To review preclinical and clinical literature on anesthesia-induced neurotoxicity in children.
- To provide an overview of recent clinical studies published since late 2015.
- To integrate new data with existing research for clinical application.
Main Methods:
- Narrative review of published literature.
- Inclusion of five major clinical studies from late 2015 onwards.
- Integration of new findings with prior research.
Main Results:
- Recent clinical studies provide new data on the effects of anesthesia in children.
- The literature indicates a potential risk of harm to developing brains.
- Concerns are shared by families, clinicians, and regulators.
Conclusions:
- Pediatric anesthesia toxicity is a significant public health concern.
- New clinical data supports the need for careful consideration of anesthesia use in young children.
- Findings offer insights for applying clinical evidence to pediatric patient care.
Abstract:
Anaesthetic and sedative drugs transiently disrupt normal neural activity to facilitate healthcare procedures in children, but they can also cause long-term brain injury in experimental animal models. The US Food and Drug Administration (FDA) has recently advised that repeated or lengthy exposures to anaesthetic and sedative drugs prior to 3 yr of age have the potential to harm the development of children's brains and added warnings to these drug labels. Paediatric anaesthesia toxicity could represent a significant public health issue, and concern about this potential injury in children has become an important issue for families, paediatric clinicians and healthcare regulators. Since late 2015, important new data from five major clinical studies have been published. This narrative review aims to provide a brief overview of the preclinical and clinical literature, including a comprehensive review of these recent additions to the human literature. We integrate these new data with prior studies to provide further insights into how these clinical findings can be applied to children.
More Related Videos
Related Concept Videos
01:24General Anesthesia: Overview
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
01:12Local Anesthetics: Adverse Effects
Once absorbed into the systemic circulation, local anesthetics can affect the organs that depend on the functioning of sodium...
01:24Parenteral Anesthetics: Overview