重症血液净化:Q&ACriticalContinuousBloodPurification重症医学科1精选pptbackground2精选pptbackground3精选ppt1970’s……1980’s…2000’sIntermittentHemodialysisContinuousRenalReplacementTherapyNephrologistIntensivist肾脏替代肾脏支持非肾脏疾病background4精选pptcontentDosingTimingModality5精选ppt1Modality:原理0408012010102103104105ureacreatinineVit
B12ß2-MalbumineClearance(ml/min)MW(dalton)diffusionconvectionadsorptionKidneyIL-1TNFIL-6IL-8小分子(MW<500)中分子(MW500~5000)大分子(MW>5000)Ledebo,ARRT19996精选ppt1Modality:Ultrafiltration7精选ppt1Modality:SCUFRemovalofwaterisdonebyUFNoSubstitutionliquidisusedUsedmainlyforCHF+FluidOverloadQf=5~15ml/hQb=100~250ml/h8精选ppt1Modality:Diffusion9精选pptCVVHDTheprinciple(clearances)isDiffusionEliminatemainlySmallMoleculesNetFluidRemovalisdesiredUsedofSterileDialysateSolution1Modality:CVVHDQd=15~60ml/hQb=100~2