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Long-term differences in language and cognitive function after childhood exposure to anesthesia

Caleb Ing1, Charles DiMaggio, Andrew Whitehouse

  • 1Department of Anesthesiology, Columbia University College of Physicians and Surgeons, 622 W 168th St, BHN 4-440, New York, NY 10032, USA. ci2119@columbia.edu

Pediatrics
|August 22, 2012
PubMed

Insights

Early anesthesia exposure in children under age 3 is linked to later language and cognitive deficits. This study found increased risks for language and abstract reasoning impairments at age 10 in exposed children.

Area of Science:

  • Pediatric Anesthesia Safety
  • Neurodevelopmental Outcomes
  • Childhood Cognitive Function

Background:

  • Concerns exist regarding anesthetic agents' safety in young children due to animal studies showing neurodegeneration.
  • Previous research questioned the long-term effects of anesthesia on children's developing brains.

Purpose of the Study:

  • To examine the association between early anesthesia exposure (before age 3) and neuropsychological outcomes at age 10.
  • To assess impacts on language, cognitive function, motor skills, and behavior.

Main Methods:

  • Analysis of the Western Australian Pregnancy Cohort (Raine) Study data.
  • Inclusion of 2608 children, with 321 exposed to anesthesia before age 3 and 2287 unexposed.
  • Assessment of language (CELF-R, CELF-E) and cognition (CPM) at age 10.

Main Results:

  • Children exposed to anesthesia showed lower average scores in receptive/expressive language and cognition.
  • Anesthesia exposure was associated with an increased risk of disability in language (aRR 1.87-1.72) and cognition (aRR 1.69).
  • Increased risks for language and cognitive deficits persisted even after a single anesthesia exposure.

Conclusions:

  • Anesthesia exposure before age 3 is associated with a higher relative risk of language and abstract reasoning deficits at age 10.
  • The observed neuropsychological effects appear confined to specific domains, primarily language and abstract reasoning.
  • Findings highlight potential long-term cognitive and linguistic impacts of early-life anesthesia exposure.
Abstract

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