CreatinineKidney Function TestsKidneyGlomerular Filtration RateKidney DiseasesRenal InsufficiencyAcute Kidney InjuryKidney Failure, ChronicProteinuriaCystatin CBlood Urea NitrogenKidney TransplantationBiological MarkersRenal Artery ObstructionRenal CirculationUreaRenal Insufficiency, ChronicTime FactorsNephrectomyCystatinsRenal DialysisDiabetic NephropathiesRetrospective StudiesKidney TubulesProspective StudiesBlood PressureRadioisotope RenographyTreatment OutcomeMetabolic Clearance RateRenal ArteryPeritoneal DialysisTechnetium Tc 99m MertiatideAnuriaImmunosuppressive AgentsCreatineFollow-Up StudiesDiuresisRisk FactorsTechnetium Tc 99m PentetateIothalamic AcidRenal Plasma Flow, EffectivePeritoneal Dialysis, Continuous AmbulatoryUric AcidGlomerulonephritis, IGACyclosporineKidney Tubular Necrosis, AcuteKidney GlomerulusHypertensionHypertension, RenalAcetylglucosaminidaseGlomerulonephritisInulinUrinalysisUremiaPredictive Value of TestsGraft RejectionIohexolCardio-Renal SyndromeNephritis, InterstitialDiureticsUrineAlbuminuriaLipocalinsRenal Plasma FlowAngiotensin-Converting Enzyme InhibitorsPrognosisReference ValuesDisease ProgressionNatriuresisChronic DiseaseHalf-LifeHypertension, RenovascularHydronephrosisDialysis SolutionsFurosemideCohort StudiesMycophenolic AcidGlomerulonephritis, MembranousSeverity of Illness IndexNephrotic SyndromeSodiumTacrolimusElectrolytesOliguriaGraft SurvivalReperfusion InjuryGlomerulosclerosis, Focal SegmentalReninIodohippuric AcidNephritisPeritoneumHeart FailureUreteral Obstructionbeta 2-MicroglobulinBiopsyContrast MediaHepatorenal SyndromeRhabdomyolysisAntihypertensive AgentsDrug Therapy, Combination