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Comparison of pharmacokinetics of remifentanil during general anesthesia in children and adults / 中华麻醉学杂志
Chinese Journal of Anesthesiology ; (12): 154-156, 2011.
Artigo em Chinês | WPRIM | ID: wpr-411819
ABSTRACT
Objective To compare the pharmacokinetics of remifentanil during general anesthesia in children and adults.Methods Eight children(4 male,4 female)and 8 adults(4 male,4 female),undergoing elective operation under general anesthesia,were randomly divided into 2 groups(n=8 each)group adults(aged 19-60 yr,weighing 45-81 kg)and group children(aged 10 months-7 yr,weighins 7.2-21.0 kg).Remifentanil 5μg/kg was injected intravenously during induction of anesthesia.Arterial blood samples 1.0 ml were taken at 1,2,3,5,7,10,15,20,25,30,45 and 60 min after injection for determination of the plasma concentrations of remifentanil.The pharmacokinetic parameters were calculated using software 3P97.Results Elimination half-life was significantly shorter and apparent volume of distribution and clearance were significantly greater in children than in adults(P<0.05),while no significant change was found in the other pharmacokinetic parameters between the two groups(P>0.05).Conclusion There is difference in the pharmacokineties of remifentanil during general anesthesia between children and adults.The plasma concentration of remifentanil is lower in children than in adults after using the same dose,and the dose should be increased appropriately.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Anesthesiology Ano de publicação: 2011 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Anesthesiology Ano de publicação: 2011 Tipo de documento: Artigo