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ID:31943591
大小:4.65 MB
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时间:2019-01-29
《持续异丙肾上腺素输注对脓毒症早期大鼠脑的保护作用》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、万方数据摘要(1)持续输注ISO或生理盐水2h后血清IL.1B水平与对照组相比,内毒素组和ISO处理组(低剂量、中剂量和高剂量组)IL.113水平显著升高(尸均<0.05);与内毒素组相比,低、中、高剂量组IL.1B水平均无差异(尸>O.05)。(2)持续输注ISO或生理盐水6h后血清IL.1B水平与对照组相比,内毒素组和ISO处理组(低剂量、中剂量和高剂量组)IL.1B水平显著升高(尸均<0.05);与内毒素组相比,低、中、高剂量组IL.1p水平均无差异(P>0.05)。(3)持续输注ISO或生理盐水24h后血清IL.1D水平与对照组相比,内毒素组和ISO处理组(低剂量、中剂量和高剂
2、量组)IL.1p水平显著升高(尸均<0.05);与内毒素组相比,低、中、高剂量组IL.1B水平均无差异(P>0.05)。2.3各组大鼠血清IL.10水平的变化(1)持续输注ISO或生理盐水2h后血清IL.10水平与内毒素组相比,低中高剂量组IL.10水平无差异(P>0.05)(2)持续输注ISO或生理盐水6h后血清IL.10水平与内毒素组相比,低剂量组IL.10水平显著降低(P<0.05)。(3)持续输注ISO或生理盐水24h后血清IL.10水平与内毒素组相比,中高剂量组IL.10水平著降低(P3、清楚,基质均匀,线粒体内外膜无断裂,线粒体嵴清晰可见。与对照组相比,内毒素组线粒体内膜境断裂,嵴减少,溶解,消失,基质内可见空泡化。相比于内毒素组,异丙肾上腺素干预组神经元核膜皱缩减轻,线粒体嵴减少减轻,基质空泡样化减少,尤以中剂量组改善最为显著。4.各组大鼠脑氧化应激指标4.1iNOS活性变化:与对照组相比,内毒素组与ISO干预组的iNOS活力显著IV万方数据硕士学位论文升高(P<0.05),与内毒素组相比,中高剂量组的iNOS活性显著升高(P4、中剂量最为明显。4.3SOD活性变化:与对照组相比,内毒素组SOD活性显著下降(P5、6、子7、上腺素干预组其体积变小、核固缩、深染的神经元数量减少,血管周水肿减轻,以中剂量组改变最为明显。【结论】1.脓毒症早期血清炎症因子如TNF.q、IL.1p及IL.10显著升高。2.脓毒症早期脑线粒体结构及功能发生改变。3.中剂量ISO持续输注对降低内毒素大鼠血清炎症因子水平,改善脑线粒体的结构及功能最有利。关键词:脓毒症异丙肾上腺素脑脓毒症相关性脑病线粒体氧化应激V万方数据硕士学位论文ProtectiveeffectsofcontinuesisoproterenolinfusiononbrainofearlysepticratsIearlyseotlCrats0nName:XiangDa8、nSupervisor:ZengQiyiABSTRACTBackgroundSepsisanditscomplicationsarethemostfrequentcausesofmorbidityandmortalityinintensivecareunit(ICU),contributingto750,000casesperyearintheUnitedStates.Epidemiologicstudiesindicatethatsepsisoccursinapproximately2%ofallhospitalizationsandmaybepresentinupto75%ofIC9、Upatients.Sepsis-associatedencephalopathy(SAE)isdefinedbydiffusecerebraldysfunctionthataccompaniessepsisintheabsenceofdirectCNSinfection,structuralabnormalityorothertypesofencephalopathy(forexample,hepaticorrenalencephalopat
3、清楚,基质均匀,线粒体内外膜无断裂,线粒体嵴清晰可见。与对照组相比,内毒素组线粒体内膜境断裂,嵴减少,溶解,消失,基质内可见空泡化。相比于内毒素组,异丙肾上腺素干预组神经元核膜皱缩减轻,线粒体嵴减少减轻,基质空泡样化减少,尤以中剂量组改善最为显著。4.各组大鼠脑氧化应激指标4.1iNOS活性变化:与对照组相比,内毒素组与ISO干预组的iNOS活力显著IV万方数据硕士学位论文升高(P<0.05),与内毒素组相比,中高剂量组的iNOS活性显著升高(P4、中剂量最为明显。4.3SOD活性变化:与对照组相比,内毒素组SOD活性显著下降(P5、6、子7、上腺素干预组其体积变小、核固缩、深染的神经元数量减少,血管周水肿减轻,以中剂量组改变最为明显。【结论】1.脓毒症早期血清炎症因子如TNF.q、IL.1p及IL.10显著升高。2.脓毒症早期脑线粒体结构及功能发生改变。3.中剂量ISO持续输注对降低内毒素大鼠血清炎症因子水平,改善脑线粒体的结构及功能最有利。关键词:脓毒症异丙肾上腺素脑脓毒症相关性脑病线粒体氧化应激V万方数据硕士学位论文ProtectiveeffectsofcontinuesisoproterenolinfusiononbrainofearlysepticratsIearlyseotlCrats0nName:XiangDa8、nSupervisor:ZengQiyiABSTRACTBackgroundSepsisanditscomplicationsarethemostfrequentcausesofmorbidityandmortalityinintensivecareunit(ICU),contributingto750,000casesperyearintheUnitedStates.Epidemiologicstudiesindicatethatsepsisoccursinapproximately2%ofallhospitalizationsandmaybepresentinupto75%ofIC9、Upatients.Sepsis-associatedencephalopathy(SAE)isdefinedbydiffusecerebraldysfunctionthataccompaniessepsisintheabsenceofdirectCNSinfection,structuralabnormalityorothertypesofencephalopathy(forexample,hepaticorrenalencephalopat
4、中剂量最为明显。4.3SOD活性变化:与对照组相比,内毒素组SOD活性显著下降(P5、6、子7、上腺素干预组其体积变小、核固缩、深染的神经元数量减少,血管周水肿减轻,以中剂量组改变最为明显。【结论】1.脓毒症早期血清炎症因子如TNF.q、IL.1p及IL.10显著升高。2.脓毒症早期脑线粒体结构及功能发生改变。3.中剂量ISO持续输注对降低内毒素大鼠血清炎症因子水平,改善脑线粒体的结构及功能最有利。关键词:脓毒症异丙肾上腺素脑脓毒症相关性脑病线粒体氧化应激V万方数据硕士学位论文ProtectiveeffectsofcontinuesisoproterenolinfusiononbrainofearlysepticratsIearlyseotlCrats0nName:XiangDa8、nSupervisor:ZengQiyiABSTRACTBackgroundSepsisanditscomplicationsarethemostfrequentcausesofmorbidityandmortalityinintensivecareunit(ICU),contributingto750,000casesperyearintheUnitedStates.Epidemiologicstudiesindicatethatsepsisoccursinapproximately2%ofallhospitalizationsandmaybepresentinupto75%ofIC9、Upatients.Sepsis-associatedencephalopathy(SAE)isdefinedbydiffusecerebraldysfunctionthataccompaniessepsisintheabsenceofdirectCNSinfection,structuralabnormalityorothertypesofencephalopathy(forexample,hepaticorrenalencephalopat
5、
6、子
7、上腺素干预组其体积变小、核固缩、深染的神经元数量减少,血管周水肿减轻,以中剂量组改变最为明显。【结论】1.脓毒症早期血清炎症因子如TNF.q、IL.1p及IL.10显著升高。2.脓毒症早期脑线粒体结构及功能发生改变。3.中剂量ISO持续输注对降低内毒素大鼠血清炎症因子水平,改善脑线粒体的结构及功能最有利。关键词:脓毒症异丙肾上腺素脑脓毒症相关性脑病线粒体氧化应激V万方数据硕士学位论文ProtectiveeffectsofcontinuesisoproterenolinfusiononbrainofearlysepticratsIearlyseotlCrats0nName:XiangDa
8、nSupervisor:ZengQiyiABSTRACTBackgroundSepsisanditscomplicationsarethemostfrequentcausesofmorbidityandmortalityinintensivecareunit(ICU),contributingto750,000casesperyearintheUnitedStates.Epidemiologicstudiesindicatethatsepsisoccursinapproximately2%ofallhospitalizationsandmaybepresentinupto75%ofIC
9、Upatients.Sepsis-associatedencephalopathy(SAE)isdefinedbydiffusecerebraldysfunctionthataccompaniessepsisintheabsenceofdirectCNSinfection,structuralabnormalityorothertypesofencephalopathy(forexample,hepaticorrenalencephalopat
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