Use este identificador para citar ou linkar para este item: http://www.repositorio.ufc.br/handle/riufc/18056
Título: Are General anesthetics neurotoxic?
Autor(es): Batista, Hermes Melo Teixeira
Silveira, Gylmara Bezerra de Menezes
Sampaio, Leonardo Araújo
Bezerra, Italla Maria Pinheiro
Ferreira, Naidhia Alves Soares
Rolim, Maria Manuela Martins
Valenti, Vitor Engracia
Benevides, Breno Souza
Abreu, Luiz Carlos de
Araújo, Màrcio Fernando Gonçalves
Palavras-chave: Anestésicos Gerais
Neurogênese
Data do documento: 2015
Editor: International Archives of Medicine
Citação: BATISTA, H. M. T. ; SILVEIRA, G. B. M. ; SAMPAIO, L. A. ; ARAÚJO, M. F. G. ; FERREIRA, N. A. S. ; BEZERRA, I. M. P. ; ROLIM, M. M. M. ; VALENTI, V. E. ; BENEVIDES, B. S. ; ABREU, L. C. (2015)
Abstract: Introduction: General anaesthesia has been used worldwide since its first public demonstration with ether in 1846. Until a little more than a decade ago, it was believed that the anaesthetic state was limited to the period of exposure. Studies in rats, pigs, and rhesus monkeys have shown that almost all general anaesthetics accelerate the apoptotic process in neurones, oligodendrocytes, and glial cells. Objective: Our aim was to analyse the relationship between general anaesthetics and their role in triggering neuroapoptosis in laboratory animals. Method: A search was carried out in PubMed and Google Scholar with the keywords "neurotoxicity" and "general anesthetics" for selecting articles published in the last five years. After having evaluated the abstracts, 77 articles were selected and read by 2 independent investigators. All authors met and discussed the most relevant aspects. Results: All general anaesthetics, when inhaled or administered intravenously, enhance neuroapoptosis, mainly during the gestational and neonatal stages in rats, pigs, and non-human primates. Neurones and oligodendrocytes that are capable of neurogenesis and synaptogenesis are the most affected. General anaesthetics commonly lead to learning and behavioural disorders, in addition to permanent memory deficit. Conclusion: The neurotoxicity of general anaesthetics affects different mammalian species and accelerates the neuroapoptotic process. This deleterious effect involves specific brain areas and occurs in developing neurones. The exceptions are the dentate gyrus and the olfactory bulb, which undergo apoptosis even in adulthood, albeit to a lesser extent.
Descrição: BATISTA, Hermes Melo Teixeira et al. Are General anesthetics neurotoxic?. International Archives of Medicine, v. 8, n. 53, p. 1-8, 2015.
URI: http://www.repositorio.ufc.br/handle/riufc/18056
ISSN: 1755-7682
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