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首页> 外文期刊>Brain research >Selective blockade of muscarinic receptor subtypes in the brain stem reticular formation in rats: effects on anesthetic requirements.
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Selective blockade of muscarinic receptor subtypes in the brain stem reticular formation in rats: effects on anesthetic requirements.

机译:大鼠脑干网状结构中毒蕈碱受体亚型的选择性阻断:对麻醉剂需求的影响。

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摘要

Muscarinic involvement in the modulation of general anesthesia was examined in the rat with a cannula implanted in the pontine reticular formation. Atropine microinjected into the reticular formation reversed the minimum alveolar concentration (MAC) reducing effect of carbachol on halothane anesthesia, but M(1) or M(3) antagonist had no effect. An M(2) antagonist reduced the MAC of halothane following saline and carbachol. The results suggest that any of the muscarinic receptor subtypes in this region do not independently mediate the cholinomimetic effect on halothane anesthesia.
机译:用插在桥脑网状结构中的插管在大鼠中检查了毒蕈碱参与全身麻醉的调节。将阿托品微注射入网状结构逆转了卡巴胆碱对氟烷麻醉的最低肺泡浓度(MAC)降低作用,但M(1)或M(3)拮抗剂无作用。一个M(2)拮抗剂减少了盐水和卡巴胆碱后氟烷的MAC。结果表明,该区域中的任何毒蕈碱受体亚型均不能独立介导对氟烷麻醉的拟胆碱作用。

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