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General anesthesia in infants: neurobiological and neuropsychological concerns

Fernando Jáuregui-Huerta1, Diego Redolar-Ripoll2, Juan C Cupul-García1

  • 1Departamento de Neurociencias, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, México.

Boletin Medico Del Hospital Infantil De Mexico
|April 1, 2020
PubMed

Insights

General anesthetics are vital for surgery, but concerns exist regarding their impact on pediatric brain development. Current evidence suggests general anesthesia is generally safe for children, though long-term effects on specific cognitive functions warrant further investigation.

Area of Science:

  • Anesthesiology
  • Pediatric Neurology
  • Developmental Neuroscience

Background:

  • General anesthetics are essential for pediatric surgery, providing pain relief and immobility.
  • Recent warnings from the Food and Drug Administration (FDA) have raised concerns about potential neurotoxic effects in children.
  • The use of anesthetics in pediatric patients necessitates a thorough understanding of their impact on developing brains.

Purpose of the Study:

  • To review the key aspects of cerebral development.
  • To analyze existing evidence on the effects of general anesthesia on the neuropsychological development of children.
  • To address the controversy surrounding the safety of general anesthetics in pediatric populations.

Main Methods:

  • Review of existing literature, focusing on studies examining general anesthesia and pediatric neurodevelopment.
  • Analysis of controlled studies, including the Mayo Anesthesia Safety in Kids (MASK) study.
  • Evaluation of evidence from retrospective cohort studies, acknowledging their limitations.

Main Results:

  • Most studies reviewed were uncontrolled retrospective cohorts, limiting definitive conclusions.
  • Some controlled studies, like MASK, offer partial support to FDA concerns.
  • Current evidence generally supports the safety of general anesthetics in children, without proof of widespread cognitive impairment.

Conclusions:

  • While general anesthesia appears safe for most pediatric surgical procedures, potential long-term effects on specific cognitive functions require consideration.
  • Further research is needed to clarify the nuanced relationship between anesthetic exposure and neurodevelopmental outcomes.
  • Anesthesiologists and healthcare providers should remain informed about emerging evidence regarding anesthetic safety in children.

Keywords:
Anestesia generalBrain developmentChildhoodCogniciónCognitionDesarrollo cerebralGeneral anesthesiaInfantesNeurotoxicidadNeurotoxicity

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