Renal Replacement TherapyHemofiltrationAcute Kidney InjuryHemodiafiltrationCritical IllnessWater-Electrolyte ImbalanceRenal DialysisIntensive Care Units, PediatricExtracorporeal Membrane OxygenationHemodialysis SolutionsKidney Failure, ChronicIntensive Care UnitsCitric AcidTreatment OutcomeWater-Electrolyte BalanceMultiple Organ FailureRenal InsufficiencyAnticoagulantsEstrogen Replacement TherapyDialysis SolutionsRetrospective StudiesHospitals, PediatricHormone Replacement TherapySepsisProspective StudiesPeritoneal DialysisCreatinineUreaSurvival RateHospital MortalityNephrologyHemodialysis, HomeKidney TransplantationEnzyme Replacement TherapyPrognosisKidneys, ArtificialCohort StudiesKidney DiseasesOliguriaRisk AssessmentTime FactorsMembranes, ArtificialInfant, NewbornCrush SyndromeHospitals, SatelliteCritical CareEquipment and Supplies, HospitalIntensive CarePeritoneal Dialysis, Continuous AmbulatoryGlomerular Filtration RateHemorrhageRisk FactorsRegistriesHeparinHemodialysis Units, HospitalRenal Insufficiency, ChronicBioartificial OrgansKidney Function TestsIncidenceSurvival AnalysisDiabetic NephropathiesFollow-Up StudiesAPACHECatheters, IndwellingKidney