NALOXONE DOES NOT ANTAGONIZE GENERAL-ANESTHESIA IN RAT

NALOXONE DOES NOT ANTAGONIZE GENERAL-ANESTHESIA IN RAT
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DOI:
10.1097/00000542-197807000-00002
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发表时间:
1978-01-01
期刊:
影响因子:
8.8
通讯作者:
EGER, EI
EGER, EI
中科院分区:
医学1区
文献类型:
--
作者:
HARPER, MH;WINTER, PM;EGER, EI

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纳洛酮2、10、50或250 mg/kg i. v.给药未改变Sprague-Dawley大鼠(12只大鼠/组)的氟烷需求。当给予50 mg/kg时,2只大鼠在氟烷麻醉下发生惊厥。在另一组清醒大鼠中,给予100 mg/kg纳洛酮时,9只动物中有7只发生惊厥。纳洛酮对麻醉需求的任何影响都必须很小,如果存在影响,则是纳洛酮的非特异性兴奋剂作用的结果,而不是对阿片受体的特异性作用。
The administration of naloxone 2, 10, 50 or 250 mg/kg i.v. did not alter halothane requirement in Spraque-Dawley rats (12 rats/group). Two rats convulsed when given 50 mg/kg while anesthetized with halothane. In a separate group of awake rats, 7 of 9 animals convulsed when given naloxone, 100 mg/kg. Any effect of naloxone on anesthetic requirement must be small, and that if an effect exists it is the result of a nonspecific analeptic action of naloxone rather than a specific action at opiate receptors.