最新精编医学专题—乙肝两对半的解读.ppt

乙肝两对半的解读(jiědú)乙肝两对半的定义TheDefinitinoOfSecongLiverTwoHalf-and-Half大三阳和小三阳Big3thisworldandsmall3thisworld乙肝的传播途径(tújìng)Thetransmissionwayofsecondliver*对乙肝的误解Misunderstandingofhepatitisb什么(shénme)是乙肝两对半大三阳和小三阳Big3thisworldandsmall3thisworld第五页共十四页。第六页共十四页。第七页共十四页。乙肝的传播(chuánbō)途径母婴传播(Mother-to-childtransmission)：母婴传播约占50％以上其中宫内感染约占4.54%其余为分娩时的感染；分娩时母亲的血液、阴道分泌物通过胎儿的破损皮肤、粘膜而传染；胎盘剥离(bōlí)时微量血液漏至胎循环中；产前或产程中胎儿吸入母亲的血液、羊水、阴道分泌物而感染；Mother-to-childtransmission(PMTCT)accountedforabout50%oftheabovetheintrauterineinfectionaccountedforabout4.54%therestforchildbirthinfections;Birthmother'sbloodvaginalsecretionsinfectionbythebreakageofthefetalskinmucousmembrane;Theplacentastrippingwhentracebloodleakageintothefetalcirculation;Antenatalfetalinhalationinthemother'sbloodamnioticfluidorthestagesvaginalsecretionsandinfection;第十页共十四页。为何乙肝歧视(qíshì)问题如此“根固”？Whyso"deep"hepatitisbdiscrimination?乙肝不通过消化道和呼吸道传播所以日常(rìcháng)接触如握手、拥抱、一起工作、吃饭等一般不会被乙肝病毒传播。但若和乙肝患者共餐的朋友有口腔溃疡等与乙肝患者有血液暴露的接触是有可能会传播乙肝病毒的。Hepatitisbisnotspreadthroughthedigestivetractandrespiratorytractsocontactsuchasshakehandshugdailyworksuchaseatinggenerallywillnotbespreadhepatitisbvirus.Butifthefriendandhepatitisbpatientstodinnerwithoralulceretc.contactwiththepatientswithhepatitisbbloodexposureislikelytotransmitthehepatitisbvirus.谢谢Thankyou内容(nèiróng)总结