Related Experiment Video

Updated: Feb 28, 2026

Adaptation of Microelectrode Array Technology for the Study of Anesthesia-induced Neurotoxicity in the Intact Piglet Brain
08:23

Adaptation of Microelectrode Array Technology for the Study of Anesthesia-induced Neurotoxicity in the Intact Piglet Brain

Published on: May 12, 2018

9.9K

General Anesthesia and Young Brain: What is New?

Vesna Jevtovic-Todorovic1, Ansgar Brambrick2

  • 1Department of Anesthesiology, University of Colorado School of Medicine, Aurora, CO.

Journal of Neurosurgical Anesthesiology
|June 17, 2017
PubMed

Insights

General anesthesia may harm young children's brain development, with animal studies showing lasting cognitive and emotional deficits. Human studies are still inconclusive, requiring further research into anesthesia's effects on child development.

Area of Science:

  • Neuroscience
  • Developmental Biology
  • Anesthesiology

Background:

  • Millions of young children undergo anesthesia annually, raising concerns about potential neurodevelopmental impacts.
  • Immature brains are particularly vulnerable to external factors like general anesthesia.
  • Existing research highlights potential risks, but human data remains inconsistent.

Purpose of the Study:

  • To review recent advancements in animal research on anesthesia-induced developmental neurotoxicity.
  • To summarize current human studies examining the effects of anesthesia on cognitive and behavioral development in children.
  • To assess the utility of various outcome measures and exposure variables in pediatric anesthesia research.

Main Methods:

  • Comprehensive review of recent animal studies on anesthesia and neurodevelopment.
  • Systematic summary of human clinical studies focusing on anesthesia exposure and developmental outcomes.
  • Analysis of methodologies for assessing cognitive and behavioral development in pediatric populations.

Main Results:

  • Animal models consistently demonstrate that early anesthesia exposure leads to neuronal and glial impairments.
  • These impairments in animal studies correlate with long-term deficits in emotional and cognitive functions.
  • Human studies present mixed results, lacking conclusive evidence regarding anesthesia's impact on child development.

Conclusions:

  • Animal research strongly suggests anesthesia can be detrimental to developing brains.
  • Further high-quality human studies are crucial to confirm or refute these findings in pediatric populations.
  • Standardized outcome measures and exposure variables are needed for robust clinical assessments.

More Related Videos

Assessing Changes in Synaptic Plasticity Using an Awake Closed-Head Injury Model of Mild Traumatic Brain Injury09:49

Assessing Changes in Synaptic Plasticity Using an Awake Closed-Head Injury Model of Mild Traumatic Brain Injury

Published on: January 20, 2023

3.9K
Recording Brain Electromagnetic Activity During the Administration of the Gaseous Anesthetic Agents Xenon and Nitrous Oxide in Healthy Volunteers14:52

Recording Brain Electromagnetic Activity During the Administration of the Gaseous Anesthetic Agents Xenon and Nitrous Oxide in Healthy Volunteers

Published on: January 13, 2018

11.6K

Related Concept Videos

General Anesthesia: Overview01:24

General Anesthesia: Overview

Anesthesia is a medical procedure that uses drugs for CNS suppression to enable painless surgeries and procedures. The selection of anesthetics is influenced by their pharmacokinetic properties, side effects, and patient characteristics. Various types of anesthesia include general, local, regional, spinal, and inhalational.
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
882
Stages of General Anesthesia01:22

Stages of General Anesthesia

Various sedation levels offer significant advantages in facilitating procedural interventions for patients undergoing medical or invasive surgical procedures. These levels span from anxiolysis to general anesthesia, providing a spectrum of sedative effects to cater to specific patient needs. Anxiolysis reduces anxiety and is achieved through minimal sedation, enabling patients to remain awake and responsive while feeling more at ease during the procedure. This level can benefit minor...
2.0K
Parenteral Anesthetics: Overview01:24

Parenteral Anesthetics: Overview

Intravenous anesthetics are drugs administered parenterally to induce anesthesia or sedation. Propofol is a widely used agent formulated as a 1% emulsion in soybean oil, glycerol, and egg phosphatide. It induces rapid anesthesia primarily due to its rapid distribution from the bloodstream to target tissues and is metabolized in the liver. However, it can cause significant pain on injection and hypertriglyceridemia. Fospropofol, a water-based prodrug of propofol, lacks these adverse effects.
820
Local Anesthetics: Adverse Effects01:12

Local Anesthetics: Adverse Effects

While local anesthetics are generally safe and well-tolerated, they can occasionally cause adverse effects that vary in severity. Local anesthetics can induce toxicity at two distinct levels. They can either produce local effects through direct contact with the neural elements or be absorbed into the bloodstream from the injection site, leading to systemic effects.
Once absorbed into the systemic circulation, local anesthetics can affect the organs that depend on the functioning of sodium...
905
Inhalational Anesthetics: Overview01:20

Inhalational Anesthetics: Overview

Inhalation anesthetics are drugs that induce general anesthesia upon inhalation. They work by increasing the sensitivity of GABAA receptors or inhibiting NMDA receptors, leading to a decrease in central nervous system activity. The depth of anesthesia can be rapidly adjusted by changing the concentration of the inhaled gas. Some common examples of inhalational anesthetics include volatile liquids like isoflurane, desflurane, sevoflurane and gases like xenon and nitrous oxide. Isoflurane, a...
1.3K
Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

Local Anesthetics: Clinical Application as Spinal Anesthesia

Spinal anesthetics are given during lower abdomen and limb surgeries to block sensory and motor neurons. They are administered in the mid to low lumbar regions, primarily acting on the cauda equina's nerve roots. The blockade level depends on the local anesthetic (LA) concentration. Usually, low LA concentrations are sufficient to block sensory fibers, while only high LA concentrations block motor fibers. Other factors like injection volume and speed, the patient's posture, and the drug...
1.6K