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PediatricCRRTTerminology HelenCurrierBSN RN CNNAssistantDirector Renal PheresisTexasChildren sHospitalHouston Texas HistoryofContinuousRenalReplacementTherapy CRRT 1960Continuousarteriovenousapproachfirstdescribedfortreatmentofrenalfailure1974Ultrafiltrationisolatedfromhemodialysiscircuitandtheadditionofahemofilter1975Hemofiltrationtechniqueproposed1979 82SCUFandCAVHusedbyPaganini MD andWhitman RN atClevelandClinic HistoryofContinuousRenalReplacementTherapy CRRT 1980sCRRTusedinpediatrics1987Pump assistedCRRTintroduced1990CRRTconsideredstateofthearttherapyfortreatmentofacuterenalfailure1993StandardsofClinicalPracticeforCRRTpublishedbytheAmericanNephrologyNurses Association ANNA andendorsedbytheAmericanAssociationofCriticalCareNurses AACN HistoryofContinuousRenalReplacementTherapy CRRT 2000ContinueddevelopmentofintegratedbloodpumpandfluidbalanceequipmentforCRRT2002SecondpCRRTmeetinginOrlando FL2004ThirdpCRRTmeetinginOrlando FL Testyourknowledge PediatricCRRTtherapiesareapproximatelyA 40yearsoldB 30yearsoldC 20yearsoldD 10yearsold Testyourknowledge PediatricCRRTtherapiesareapproximatelyA 40yearsoldB 30yearsoldC 20yearsoldD 10yearsold IndicationsforCRRTintheCriticalCareSetting FluidremovalSoluteremoval BasicConceptsofCRRT ConceptsRelatedtoFluidRemovalorUltrafiltration BloodflowArteriovenousVenovenousHydrostaticpressureArteriovenousVenovenousOtherfactorsHematocritPlasmaproteinsTransmembranepressure BasicConceptsofCRRT ConceptsRelatedtoSoluteRemovalorClearance Convection solutedrag hemofiltrationDiffusion concentrationgradient hemodiafiltration SoluteMassTransferinCRRT SoluteMolecularWeightandClearance Solute MW SievingCoefficientDiffusionCoefficientUrea 60 1 01 0 051 01 0 07Creatinine 113 1 00 0 091 01 0 06UricAcid 168 1 01 0 040 97 0 04 Vancomycin 1448 0 84 0 100 74 0 04 P 0 05vssievingcoefficient P 0 01vssievingcoefficient ComparisonofUreaClearance CVVHvsCVVHD Maxvoldetal CritCaremed 2000Apr 28 4 1161 5 StudydesignFixedbloodflowrate 4ml kg minHF 400 0 3m2polysulfone Crossoverfor24hrseachtopre filterreplacementfluid CVVH orDx CVVHD flowat2000ml hr 1 73m2 ComparisonofUreaClearance CVVHvsCVVHD Maxvoldetal CritCaremed 2000Apr 28 4 1161 5 UreaClearance mls min 1 73m2 BFR 4mls kg minFRF DxFR 2l 1 73m2 hrSAM 0 3m2 p NS MethodsofContinuousRenalReplacementTherapy DefinitionofAcronymsandTerms SCUFslowcontinuousultrafiltrationCAVHcontinuousarteriovenoushemofiltrationCAVHDcontinuousarteriovenoushemodialysisCVVHcontinuousvenovenoushemofiltrationCVVHDcontinuousvenovenoushemodialysisCVVHDFcontinuousvenovenoushemodiafiltration ContinuousRenalReplacementTherapy AdvantagesSlowerbloodflowsSlowerUFratesAdjustUFrateswithhourlypatientintakeIncreasedcytokine badhumors removal DisadvantagesProlongedanticoagulationIncreasedcytokine goodhumors removal ThePediatricIdeal CRRTEquipment SeparateandaccuratepumpsandscalesforeachcomponentofCRRTRangeofbloodflowswithaminimumof20ml

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