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The effect magnesium sulfate on traumatic brain edema in rats

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF EMERGENCY MEDICINE
Issue:
2
DOI:
10.3760/j.issn:1671-0282.2002.02.006
Key Word:
脑损伤;脑水肿;硫酸镁

Abstract: 目的探讨硫酸镁对大鼠创伤性脑水肿的影响及可能的脑保护机制.方法在SD大鼠颅脑创伤的同时腹腔注射硫酸镁治疗,伤后24h测定颅脑创伤组及硫酸镁治疗组大鼠挫伤灶边缘脑皮质含水量、Na+、K+、Ca2+、Mg2+含量,用伊文氏蓝作为示踪剂,荧光比色法定量观察血脑屏障的通透性,同时取标本做病理学检查.结果硫酸镁可以降低大鼠脑损伤后脑皮质H2O、Na+、Ca2+、EB含量,病理学检查结果也证实硫酸镁可以减轻创伤性脑损伤及血脑屏障的破坏.结论在颅脑创伤早期应用硫酸镁可以有效地减轻创伤性脑水肿及血脑屏障破坏的程度.

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