Glomerular Filtration RateCreatinineKidneyKidney Function TestsKidney DiseasesCystatin CRenal Insufficiency, ChronicRenal CirculationInulinKidney Failure, ChronicIothalamic AcidTechnetium Tc 99m PentetateRenal InsufficiencyAlbuminuriaProteinuriaAcute Kidney InjuryCystatinsBiological MarkersKidney GlomerulusNatriuresisKidney TubulesDiabetic NephropathiesKidney TransplantationBlood PressureDiuresisIohexolRenal Plasma FlowNephrectomyRisk FactorsNephronsBlood Urea NitrogenTime FactorsRadioisotope RenographyFiltrationRetrospective StudiesProspective StudiesChronic DiseaseSodiumFollow-Up StudiesChromium RadioisotopesHypertensionRenal Artery ObstructionMetabolic Clearance RatePredictive Value of TestsCohort StudiesTreatment OutcomeSerum AlbuminGlomerular Filtration BarrierLipocalinsUric AcidRenal ArterySerumHemodynamicsDisease ProgressionHypertension, RenalCross-Sectional StudiesRenal DialysisFurosemidePrognosisImmunosuppressive Agentsp-Aminohippuric AcidAngiotensin-Converting Enzyme InhibitorsUrineReninReference ValuesNephrosclerosisKidney Tubules, ProximalGlomerulonephritis, IGAAminohippuric AcidsSeverity of Illness IndexDogsRenal Plasma Flow, EffectiveCyclosporineDiureticsDiabetes Mellitus, Type 2Antihypertensive AgentsElectrolytesRisk AssessmentContrast MediaGraft RejectionUreaKidney CortexHypertension, RenovascularWater-Electrolyte BalanceCardiovascular DiseasesPuncturesAbsorptionPrevalenceCreatineEdetic AcidGlomerulonephritisGraft SurvivalVascular ResistanceAge FactorsUremiaMultivariate AnalysisAcetylglucosaminidaseKidney Concentrating AbilityBody Surface AreaAtrial Natriuretic Factor