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PHARMACODYNAMIC INTERACTION BETWEEN MIDAZOLAM AND A LOW DOSE OF ETHANOL IN VIVO

机译:咪唑安定与低剂量乙醇体内的药动学相互作用。

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The pharmacokinetic and pharmacodynamic interactions between midazolam and ethanol were studied in the rat in vivo. Ethanol was given as a constant rate intravenous infusion (1.85 mg/min). The pharmacokinetics and pharmacodynamics of midazolam were determined following an intravenous dose of 5 mg/kg in 15 minutes. Amplitudes in the 11.5-30 Hz (beta) frequency band of the EEG was used as a measure of the pharmacological effect. Ethanol infusion resulted in a constant plasma alcohol concentration of 0.44 +/- 0.04 g/l (Mean +/- SE) and had no effect on the baseline value of the EEG effect parameter. Also the pharmacokinetics of midazolam were unchanged. However, a significant parallel shift of the midazolam concentration-EEG effect relationship to lower concentrations was observed. These findings show that there is a pharmacodynamic interaction between midazolam and ethanol in vivo. [References: 28]
机译:在大鼠体内研究了咪达唑仑和乙醇之间的药代动力学和药效动力学相互作用。乙醇以恒定速率静脉内输注(1.85 mg / min)给予。在15分钟内以5 mg / kg的静脉注射剂量测定咪达唑仑的药代动力学和药效学。脑电图在11.5-30赫兹(β)频带中的振幅用作药理作用的量度。乙醇输注导致血浆酒精浓度恒定为0.44 +/- 0.04 g / l(平均值+/- SE),并且对EEG效果参数的基线值没有影响。咪达唑仑的药代动力学也未改变。然而,观察到咪达唑仑浓度-EEG效应关系向较低浓度的显着平行变化。这些发现表明,咪达唑仑和乙醇在体内具有药效相互作用。 [参考:28]

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