Improved recovery from a traumatic-hypoxic brain injury in cats by intracisternal injection of an anion transport inhibitor.

H K Kimelberg, E J Cragoe, L R Nelson, A J Popp, D Szarowski, J W Rose, O W Woltersdorf, A M Pietruszkiewicz
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引用次数: 39

Abstract

Cats, injured by a mechanical plus hypoxic model of traumatic brain injury, were treated by intracisternal injection of a modified loop diuretic (L-644,711). This drug inhibits the chloride/bicarbonate anion exchange transport system. The treatment resulted in a significant decrease in mortality from 61 to 21%, and an improvement in both neurological status and EEG activity of the surviving animals. The dose of drug given intracisternally was at least 175 times less than the dosage we previously found was needed to achieve a comparable effect when the drug was given intravenously. The present results suggest that certain types of head injury can be treated by drugs which affect cellular anion transport processes in the brain.

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通过内胆注射阴离子运输抑制剂改善猫创伤性缺氧脑损伤的恢复。
采用机械加缺氧创伤性脑损伤模型的猫,通过腹腔内注射改良的环状利尿剂(L-644,711)治疗。该药物抑制氯/碳酸氢盐阴离子交换运输系统。治疗结果使死亡率从61%显著降低到21%,并且存活动物的神经状态和脑电图活动都有所改善。腹腔给药的剂量至少比我们之前发现的静脉给药所需的剂量少175倍。目前的结果表明,某些类型的头部损伤可以通过影响大脑细胞阴离子运输过程的药物来治疗。
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