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时间:2019-03-07
《人感染甲型h1n1流感病毒重症死亡病例的病理学观察》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、北京大学学报(医学版)JOURNALOFPEKINGUNIVERSITY(HEALTHSCIENCES)Vo1.42No.2Apr.2010·137··论著·人感染甲型H1N1流感病毒重症死亡病例的病理学观察何耀鑫,高子芬,陆敏,隋官杰,冉光伟,曹彬,王辰。,陈洁,赵希顺(1.北京大学基础医学院病理学系,北京100191;2.西藏自治区人民医院病理科;3.首都医科大学附属北京朝阳医院)[摘要]目的:观察人感染甲型H1N1流感病毒重症死亡病例各主要脏器的病理改变。方法:按传染病尸体解剖要求对3例死亡病例进行系统解剖,并获得
2、心、肝、脾、肺、脑和肾等全部脏器,组织常规HE染色和革兰氏染色,光学显微镜下观察。结果:3例病例主要致死性病变位于肺,呈现弥漫性肺泡损伤改变(坏死性细支气管炎、肺泡腔内有浆液性和/或纤维素性渗出、肺出血、肺透明膜形成),其中1例病程较长者部分区域伴肺泡上皮增生和肺问质纤维化,且合并细菌感染及肺脓肿,可见血管壁坏死,血管内血栓形成,1例有心肌水肿,1例有脑出血和脑液化性坏死。结论:人感染甲型H1N1流感病毒后主要累及呼吸系统,患者最终因急性呼吸窘迫综合征和多器官功能衰竭死亡。[关键词]流感病毒A型,H1N1亚型;尸体解剖;
3、传染病[中图分类号]RS11.7[文献标识码]A[文章编号]1671—167X(2010)02-0137-03doi:10.3969/j.issn.1671—167X.2010.02.004AhistopathologicalstudyonInfluenzaAH1N1infectioninhumansHEYao.xin,GAOZi.fen,LUMin,SUIGuan-jie,RANGuang—wei,CAOBin,WANGChen,CHENJie,ZHAOXi.shun(1.DepartmentofPathology,P
4、ekingUniversitySchoolofBasicMedicalSciences,Beijing100191,China;2.DepartmentofPathology,TibetAutonomousRegionPeople’SHospital;3.BeijingChao-YangHospita1)ABSTRACTObjective:TofindhistopathologicalchangesonmajororgansofInfluenzaAHIN1一infectedpatientsanditsrelationsh
5、iptoelinicalsymptoms.Methods:Theautopsieswereperformedfollowingcon。ventionalprotocolsandstrictsafetyprocedures.Tissuesamplesfromallmaiororgansofthreecaseswerecollectedandfixedin4%formalin.Thehistopathol0gicalchangesonthesesampleswereobservedunderalightmicroscope.
6、Results:Thelungsofsomedamagedareasofthreecasesshoweddiffusealveolardamage(DAD)withhyalinemembranesformationandintra—alveolaredemaand/orfibrin.Mostareasofthelungsinthethreecasesshowednecrotizingbronchiolitis,hemorrhage,secondaryinfection.thrombsisandfocalalveolarn
7、ecrosis.Thelungsexhibitedproliferationofpneumocytesandfibrosisoftheinterstiti—uminonecase.Inonecase.thebrainshowedfocalhemorhageandfocalliquefactivenecrosis.Inonecase,theheartshowededema.Conclusion:TherespiratorytractisthemaiortargetofinfluenzaAH1N1virus.Thechang
8、esofDADwithsecondaryinfectioninthelungresultedinhypoxia.1eadingtomultipleorganfailureanddeath.KEYWORDSInfluenzaAvirus,H1N1subtype:Autopsy:Communicablediseases2
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