Glomerular Filtration RateTechnetium Tc 99m PentetateCreatinineKidneyKidney Function TestsKidney DiseasesCystatin CInulinRenal CirculationRenal Insufficiency, ChronicIothalamic AcidAlbuminuriaKidney Failure, ChronicNatriuresisProteinuriaRenal InsufficiencyDiuresisKidney GlomerulusKidney TubulesBlood PressureRenal Plasma FlowDiabetic NephropathiesCystatinsNephronsFiltrationIohexolRadioisotope RenographySodiumBiological MarkersChromium RadioisotopesNephrectomyRisk FactorsKidney TransplantationAcute Kidney InjuryChronic DiseaseGlomerular Filtration BarrierHypertensionHemodynamicsTime FactorsFollow-Up StudiesMetabolic Clearance Ratep-Aminohippuric AcidProspective StudiesRenal Artery ObstructionAminohippuric AcidsRetrospective StudiesCohort StudiesFurosemideReninRenal Plasma Flow, EffectiveCross-Sectional StudiesDogsKidney Tubules, ProximalHypertension, RenalPredictive Value of TestsRenal ArteryDisease ProgressionUrinePuncturesAngiotensin-Converting Enzyme InhibitorsWater-Electrolyte BalanceAbsorptionElectrolytesNephrosclerosisUric AcidPrognosisVascular ResistanceTreatment OutcomeKidney CortexDiureticsAntihypertensive AgentsRisk AssessmentKidney Concentrating AbilityDiabetes Mellitus, Type 2PrevalencePlasma VolumeBody Surface AreaHypertension, RenovascularAtrial Natriuretic FactorPentetic AcidReference ValuesEdetic AcidCardiovascular DiseasesCaptoprilLipocalinsBlood Urea NitrogenSeverity of Illness IndexEnalaprilRenal DialysisUrodynamics