2004Chin Crit Care MedRequires access

Diagnostic effect of bronchoalveolar lavage in early lung injury caused by enterogenic infection in rat

朱义用, Jing Wen, 杨兴易, 娄永华

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Abstract

目的 观察肠源性感染致肺损伤时炎症介质的变化,探讨支气管肺泡灌洗对早期肺损伤的诊断价值.方法采用大鼠盲肠结扎并穿孔造成腹腔感染制备肠源性感染动物模型,并设假手术对照组.分别在术后0、24、48、72、96和120 h处死一组大鼠,取支气管肺泡灌洗液(BALF)进行细胞学分析,检测BALF、肺组织和血浆的内毒素、磷脂酶A2(PLA2)和肿瘤坏死因子α(TNFα)含量.结果 BALF的中性粒细胞百分率逐渐增加,时间越长越明显.BALF、肺组织和血浆的内毒素、PLA2逐渐增加,三者之间两两相关(BALF与肺:r=0.904,P 0.05).结论支气管肺泡灌洗可发现早期的肠源性肺损伤。

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目的 观察肠源性感染致肺损伤时炎症介质的变化,探讨支气管肺泡灌洗对早期肺损伤的诊断价值.方法采用大鼠盲肠结扎并穿孔造成腹腔感染制备肠源性感染动物模型,并设假手术对照组.分别在术后0、24、48、72、96和120 h处死一组大鼠,取支气管肺泡灌洗液(BALF)进行细胞学分析,检测BALF、肺组织和血浆的内毒素、磷脂酶A2(PLA2)和肿瘤坏死因子α(TNFα)含量.结果 BALF的中性粒细胞百分率逐渐增加,时间越长越明显.BALF、肺组织和血浆的内毒素、PLA2逐渐增加,三者之间两两相关(BALF与肺:r=0.904,P 0.05).结论支气管肺泡灌洗可发现早期的肠源性肺损伤。

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Available abstract

目的 观察肠源性感染致肺损伤时炎症介质的变化,探讨支气管肺泡灌洗对早期肺损伤的诊断价值.方法采用大鼠盲肠结扎并穿孔造成腹腔感染制备肠源性感染动物模型,并设假手术对照组.分别在术后0、24、48、72、96和120 h处死一组大鼠,取支气管肺泡灌洗液(BALF)进行细胞学分析,检测BALF、肺组织和血浆的内毒素、磷脂酶A2(PLA2)和肿瘤坏死因子α(TNFα)含量.结果 BALF的中性粒细胞百分率逐渐增加,时间越长越明显.BALF、肺组织和血浆的内毒素、PLA2逐渐增加,三者之间两两相关(BALF与肺:r=0.904,P 0.05).结论支气管肺泡灌洗可发现早期的肠源性肺损伤。

Key concepts: Bronchoalveolar lavage, Medicine, Lung, Lung infection, Pathology, Immunology, Internal medicine

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