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1、肝功能实验室检查ContentsofLiverFunctionTestProteinMetabolismBilirubinMetabolismBileAcidMetabolismLipidMetabolismRelatedSerumEnzymesExtractionandExcretion物质代谢、合成生物转化分泌排泄糖、蛋白质、脂质激素、维生素……储存能量ProteinMetabolismBilirubinMetabolismRelatedSerumEnzymesProteinMetabolism:SynthesisandStoragefuncti
2、onSerumTotalProtein,albuminandglobulinSerumProteinElectrophoresisSerumPrealbumin血清总蛋白STP,serumtotalprotein血清中所含各种蛋白的总称STPAlbuminGlobulinα1α2βothersγFromLymphocytesandplasmacyteSynthesisinLiverSerumProteinTP(serumtotalprotein)includingalbuminandglobulinReferencevalue:TP60-80g/LA
3、lb40-50g/LGlo20-30g/LA/Gratio1.5-2.5:1TotalProtein>80g/LHyperproteinemiaSeealsoGlobulin>35g/L,especiallyinγ-globulinhypovolemia:e.g.Severediarrhea,vomit,highfever、shock<60g/LHypoproteinemiaSeealsoalbumin<25g/Lhypervolemia:e.g.water-sodiumretention清蛋白(albumin,Alb)又称为白蛋白majorprot
4、eininserum,≈60%Half-life:15-19daysSynthesisinLiverFunction:MaintainplasmaosmoticpressuretransportnutritionClinicalsignificance:Alb<25g/LSynthesisdecreaseinliver:damageoflivercellsChronicliverdiseasee.g.hepatitis,livercirrhosis,livercancerMasslose:nephroticsyndrome,severeburn,ac
5、uteorseverehemorrhageConsumptionincreased:chronicconsumptivediseasee.g.SeriousTuberculosis,malignanttumor,hyperthyroidismClinicalsignificance:Alb↓Malnutrition:hypoalbuminemiaNormal:>35g/LMild:28-34g/LModerate:21-27g/LSevere:<21g/LEdema球蛋白(globulin,Glo)STP-A=Gmadeupofdifferentpr
6、oteinscalledalpha,beta,andgammatypesSomearemadebytheliver,whileothersaremadebytheimmunesystem(γ-globulin)参考值:G20-30g/LClinicalsignificance:Globulin↑ChronicliverdiseaseM-proteinemiaMultipleMyeloma,MalignantLymphoma,MacroglobulinemiaAutoimmunedisease:SLE,rheumaticfever,rheumatoid
7、arthritisChronicinflammationorinfections:tuberculosis,malaria,schistosomiasisClinicalsignificance:Globulin↓Physiological↓:infantsImmunosuppressivestatelong-termtreatmentwithglucocorticoidorimmunosuppressantsCongenitalgamma-globulinemiaA/G:1.5-2.5:1A/G↓:A↓orG↑Liverfunctiondamage
8、Alb<30g/Lorreverse:poorprognosisAlb>30g/L:betterprogos