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磁共振扫描评价米诺环素对大鼠局灶性脑缺血损伤的保护作用

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摘要 目的探讨米诺环素对局灶性脑缺血再灌注损伤后的脑保护作用。方法 30只SD大鼠随机分为假手术组、生理盐水组,预处理组,30 m in组,4 h组,每组6只。采用线栓法制作大脑中动脉缺血再灌注模型。用DW I,T2W I,T1W I增强扫描评估各组大鼠脑缺血体积,细胞毒性水肿,血管性水肿和血脑屏障破坏情况。结果预处理组及30 m in组能明显缩小脑梗死体积,减轻细胞毒性水肿,血管源性水肿及血脑屏障破坏程度,4 h组亦能减小脑梗死的体积,减轻血管源性脑水肿及血脑屏障破坏程度,但对细胞毒性水肿效果不明显。结论米诺环素能减轻局灶性脑缺血损伤后细胞毒性、血管源性脑水肿及血脑屏障破坏程度,缩小脑梗死体积,起到神经保护作用。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2011年第10期1812-1814,共3页 Chinese Journal of Gerontology
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