Acute Kidney InjuryKidney Failure, ChronicKidneyRenal InsufficiencyKidney DiseasesKidney TransplantationCreatinineKidney Function TestsLipocalinsRenal DialysisHeart FailureGlomerular Filtration RateKidney TubulesRisk FactorsKidney Tubular Necrosis, AcuteRefeeding SyndromeRenal Replacement TherapyBiological MarkersTime FactorsKidney CortexRetrospective StudiesPodocytesPolycystic Kidney, Autosomal DominantTreatment OutcomeKidney Tubules, ProximalAcute-Phase ProteinsProteinuriaAzotemiaDiabetic NephropathiesNephrectomyProspective StudiesRenal Insufficiency, ChronicDisease ProgressionCritical IllnessAlbuminuriaKidney GlomerulusCohort StudiesRisk AssessmentSeverity of Illness IndexEarly DiagnosisKidney NeoplasmsPolycystic Kidney DiseasesPrognosisTreatment FailureRhabdomyolysisDisease Models, AnimalFollow-Up StudiesIncidenceKidney MedullaReperfusion InjuryChronic DiseaseCystatin COliguriaAlbertaIntensive Care UnitsPeritoneal DialysisUnited StatesHypertensionKidney CalculiProportional Hazards ModelsSensitivity and SpecificityPredictive Value of TestsAcute DiseaseSepsisCardiac Surgical ProceduresKidney Tubules, CollectingBlood Urea NitrogenDelayed DiagnosisBlood PressureMultiple Organ FailureUrinalysisPrenatal DiagnosisNephrologyHospital MortalityCardiovascular DiseasesContrast MediaAntihypertensive AgentsKidney Tubules, DistalPostoperative ComplicationsKidney Cortex NecrosisRenal CirculationFluid TherapyKidney Diseases, CysticBiopsyCardiopulmonary BypassIschemiaAnuriaKidney Concentrating AbilityCrush SyndromeRats, Sprague-DawleyMice, Inbred C57BLROC CurveUromodulinGraft RejectionFailure to ThriveSurvival RateLogistic ModelsNephritisDiagnosisThrombotic Microangiopathies