<b>Atropine is more efficient than ZM241385 to reduce a drastic level of fade caused by cisatracurium at 50 Hz

  • Arethusa Lobo Pimentel Universidade Estadual de Maringá
  • Gabriela de Castro Prado Universidade Estadual de Maringá
  • Wilson Alves-Do-Prado Universidade Estadual de Maringá
  • Célia Regina Ambiel Universidade Estadual de Maringá

Resumo

The effects of atropine (non selective muscarinic antagonist) and ZM241385 (A2A receptors antagonist) in the cisatracurium-induced drastic (100%) level of fade at 50 Hz (10 s) (100% Fade) were compared in the phrenic nerve-diaphragm muscle preparations of rats indirectly stimulated at a physiological tetanic frequency (50 Hz). The lowest dose and the instant cisatracurium caused 100% Fade were investigated. Cisatracurium induced 100% Fade 15 min after being administered. Atropine reduced the cisatracurium-induced 100% Fade, but the administration of ZM241385 separately, or combined with atropine, did not cause any effect in the cisatracurium-induced 100% Fade. Data indicate that the simultaneous blockage of M1 and M2 muscarinic receptors on motor nerve terminal by atropine is more efficient than the blockage of presynaptic A2A receptors for a safer recovery of patients from neuromuscular blockade caused by cisatracurium.

 

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Biografia do Autor

Arethusa Lobo Pimentel, Universidade Estadual de Maringá
Departamento de Farmacologia e Terapêutica
Gabriela de Castro Prado, Universidade Estadual de Maringá
Departamento de Ciências Fisiológicas
Wilson Alves-Do-Prado, Universidade Estadual de Maringá
Departmento de Farmacologia e Terapêutica,
Célia Regina Ambiel, Universidade Estadual de Maringá
Departamento de Ciências Fisiológicas
Publicado
2016-09-30
Como Citar
Pimentel, A. L., Prado, G. de C., Alves-Do-Prado, W., & Ambiel, C. R. (2016). <b&gt;Atropine is more efficient than ZM241385 to reduce a drastic level of fade caused by cisatracurium at 50 Hz. Acta Scientiarum. Health Sciences, 38(2), 165-171. https://doi.org/10.4025/actascihealthsci.v38i2.25418
Seção
Medicina

0.3
2019CiteScore
 
 
8th percentile
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0.3
2019CiteScore
 
 
8th percentile
Powered by  Scopus