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小剂量芬太尼联合咪达唑仑对大鼠皮质神经元钠离子通道电流的影响 被引量:4

The effect of combined application of low dose fentanyl and midazolam on sodium channels in rat cerebral cortical neurons
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摘要 目的:观察小剂量芬太尼联合咪达唑仑对大鼠大脑皮层神经元细胞膜电压门控性钠离子通道电流的影响。方法:用膜片钳全细胞记录方式观察小剂量芬太尼联合咪达唑仑对原代培养的新生SD大鼠大脑皮层神经元钠离子通道电流的影响。实验分为空白组,即未用药组;芬太尼5μg/L(F5)组和芬太尼5μg/L+咪达唑仑200μg/L(F5+M200)组。结果:F5+M200组平均最大电流密度为(-213.98±91.68)pA/pF,明显低于空白组(-267±115.36)pA/pF(n=5,P<0.05)和F5组(-231.90±97.16)pA/pF(n=5,P<0.05)。结论:小剂量芬太尼联合咪达唑仑对皮质神经元钠离子通道电流的抑制作用较单一芬太尼组具有增强效应,这可能是临床两种药物合用后镇静镇痛作用增强原因之一。
出处 《中国应用生理学杂志》 CAS CSCD 北大核心 2011年第1期85-87,共3页 Chinese Journal of Applied Physiology
基金 四川省教育厅资助课题(2005015)
关键词 芬太尼 咪达唑仑 膜片钳 电压门控型钠通道 fentanyl midazolam patch clamp voltage-gated sodium channels
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参考文献5

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同被引文献51

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