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急性肠系膜缺血再灌注损伤后细菌及内毒素易位情况分析 被引量:1

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摘要 目的观察兔急性肠系膜缺血再灌注损伤后肠道细菌及内毒素易位情况。方法将雄性新西兰兔随机分为对照组、实验1组(再灌注10小时)、实验2组(再灌注12小时)、实验3组(再灌注14小时),每组30只,采集下腔静脉血进行内毒素定量测定和细菌培养;采集肝、脾、肠系膜淋巴结内容物做细菌培养,并进行菌种鉴定。对照组也在相应时间做标本采集。结果实验1组内毒素测定值为(38.33±3.00)EU/L,与对照组内毒素测定值比较差异无显著性(P>0.05),实验2、3组内毒素测定值分别为:(77.90±16.35)EU/L、(488.56±22.77)EU/L,与对照组相比差异有显著性(P<0.01)。缺血再灌注损伤后10小时,血、肝、脾、肠系膜淋巴结均无细菌生长,而12小时组肠系膜淋巴结培养有细菌生长,其发生率为50%;14小时组,血、肝、脾、肠系膜淋巴结培养明显有细菌生长,其发生率分别为50%、62.5%、75%和100%。结论兔肠系膜急性缺血再灌注后序贯出现细菌及内毒素易位情况。
出处 《中国医刊》 CAS 2013年第3期60-61,共2页 Chinese Journal of Medicine
基金 山东省烟台市科技发展计划资助项目(2008142-32)
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