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Tiopental altera a resposta nociceptiva de ratos jovens em longo prazo / Thiopental alters long term nociceptive response of young rats
Dantas, G; Laste, G; Rozisky, JR; Torres, ILS; Ferreira, MBC.
  • Dantas, G; Federal University of Rio Grande do Sul (UFRGS). Institute of Basic Health Sciences (ICBS). Department of Pharmacolog. Porto Alegre. BR
  • Laste, G; Federal University of Rio Grande do Sul (UFRGS). Institute of Basic Health Sciences (ICBS). Department of Pharmacolog. Porto Alegre. BR
  • Rozisky, JR; Federal University of Rio Grande do Sul (UFRGS). Institute of Basic Health Sciences (ICBS). Department of Pharmacolog. Porto Alegre. BR
  • Torres, ILS; Federal University of Rio Grande do Sul (UFRGS). Institute of Basic Health Sciences (ICBS). Department of Pharmacolog. Porto Alegre. BR
  • Ferreira, MBC; Federal University of Rio Grande do Sul (UFRGS). Institute of Basic Health Sciences (ICBS). Department of Pharmacolog. Porto Alegre. BR
Rev. ciênc. farm. básica apl ; 36(2)jun. 2015. graf
Article in English | LILACS | ID: lil-767263
ABSTRACT
The objective of this study was to evaluate the long term nociceptive response determined by use of two general anesthetics, one intravenous and the other inhalatory, in young animals. In the first experiment, the animals of 21 days of age were divided into control (saline) and thiopental (35 mg/kg, i.p.) groups. In the second experiment, rats of the same age were divided in two groups ­ halothane (2%) and control. In experiment 1, there was difference between groups ­ reduction of tail-flick latency in the group thiopental (P< 0.05). In experiment 2, there were no differences between groups or interaction between time versus group (F(1,19)=0.11 for groups, P>0.05; F(1,19)=0.032 for the interaction, P>0.05). The results obtained in this study showed that halothane did not alter the nociceptive response in young animals. However, the thiopental induced hyperalgesic response in rats. (AU)
RESUMO
O objetivo desse estudo foi avaliar a resposta nociceptiva a longo prazo relacionada ao uso de dois anestésicos gerais ­ um intravenoso e outro inalatório, em animais jovens. No primeiro experimento, os animais de 21 dias de idade foram divididos nos grupos controle (solução salina) e tiopental sódico (35 mg/kg, i.p.). No segundo experimento, animais de mesma idade foram divididos em dois grupos ­ halotano (2%) e controle. No Experimento 1, houve redução da latência de retirada da cauda no grupo tiopental (P<0,05). No Experimento 2, não houve diferença entre os grupos ou interação entre grupo x tempo (F(1,19)=0,11 para grupos, P>0,05; F(1,19)=0,032 para a interação, P>0,05). Os resultados obtidos nesse estudo demonstraram que o halotano não altera a resposta nociceptiva em animais jovens. Entretanto, o tiopental induziu resposta hiperalgésica nestes ratos.(AU)
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Full text: Available Index: LILACS (Americas) Main subject: Reaction Time / Thiopental / Nociception / Halothane Limits: Animals Language: English Journal: Rev. ciênc. farm. básica apl Journal subject: Pharmacology Year: 2015 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Rio Grande do Sul (UFRGS)/BR

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Full text: Available Index: LILACS (Americas) Main subject: Reaction Time / Thiopental / Nociception / Halothane Limits: Animals Language: English Journal: Rev. ciênc. farm. básica apl Journal subject: Pharmacology Year: 2015 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Rio Grande do Sul (UFRGS)/BR