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时间:2019-03-07
《inos在腹部肠管火器伤后猪心脏中的表达及意义》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、·428·2010年5月第30卷第5期ChinJCritCareMed.May.2010.V01.30.N0.5iNOS在腹部肠管火器伤后猪心脏中的表达及意义薛会朝,李泽信,张昊,刘江伟,冯德元,张东辉基金项目:兰州军区医药卫生科研基金资助项目(No.LXH一2005019)作者单位:453100河南卫辉,新乡医学院第一附属医院普外科(薛会朝,李泽信,张吴);830000乌鲁木齐,兰州军区乌鲁木齐总医院肝胆外科(刘江伟,冯德元,张东辉)作者简介:薛会朝(1971一),男,硕士,主治医师。[摘要]目的探讨诱导型一氧化氮合酶(iNOS)在腹部肠管火器伤后心脏中表达
2、的变化及其意义。方法健康长白仔猪42头随机等分为对照组和腹部肠管火器伤后1、2,4、8、12和24h实验组。用免疫组化图像分析法测定各组心肌组织iNOS的表达,同时测定血清LDH、CK—MB水平,在光、电镜下观察各组心肌组织学变化。结果伤后各组心脏iNOS表达明显高于对照组。伤后各组血清LDH、CK—MB水平均高于对照组。伤后8、12、24h组光镜下出现逐渐加重的心肌细胞水肿、变性;电镜下4、8、12、24h组出现逐渐的线粒体肿胀、溶解;对照组光、电镜下未见明显的损伤性变化。结论腹部肠管火器伤后心脏iNOS表达增强,与心脏结构和功能损伤基本一致;iNOS的活化
3、在腹部火器伤肠管穿透后继发性心脏损伤中扮演着重要角色。[关键词]诱导型一氧化氮合酶(iNOS);腹部火器伤;心脏损伤;猪doi:10.3969/j.issn.1002—1949.2010.05.013ExpressionsandsignificanceofiNOSinpigheartafterintestinalfirearmwoundXUEHui—chao,LIZe—xin,ZHANGHao,eta1.DepartmentofGeneralSurgeryoftheFirstAfiliatedHospitalofXinxiangMedicalCollege,W
4、eihui453100,China[Abstract]ObjectiveToinvestigatetheexpressionsofiNOSanditssignificanceininjuryheartafterintestinalfirearmwound.MethodsAtotalof42Chang—baipigletswererandomizedinto7groups:controlgroupandwounded1hgroup,2hgroup,4hgroup,8hgroup,12hgroup,24hgroup.Themodelofintestinalfire
5、armwoundwereestablishedinwoundedgroups.CardiaciNOSexpressionsweremeasuredwithimmunohistoehemicalstainingandimageanalysisinallgroups.LevelsofserllmLDHandCK—MBweredetermined.Thehistologicalchangeofcardiactissuewereobservedwithlightmicroscopeandelectronmicroscope(EMS).ResultsLevelsofca
6、rdiaciNOSexpressioninwoundedgroupsweresignificantlyelevatedcomparedtocontrolgroup(P<0.05),SOwerethelevelsofserumLDHandCK—MB.Theexperimentalgroupof8h,12h,24happearedgraduallyaggravatedcardiaccellsedemaanddegenerationunderlightmicroscope,mitoehondrialappearedgraduallyaggravatedswellin
7、ganddissolvedunderEMSin4h,8h,12h,24hgroup.TherewerenoobviouslychangeintheinjuryinthecontrolgroupunderlightmicroscopeandEMS.ConclusionAfterintestinalperforationsduetoabdominalfirearmwound,cardiaciNOSactivityincreasesanditispositivecorrelation.withcardiacmorphologicalandfunctionalinju
8、ry;iNOScanplayanimp
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