2016
The risk of death associated with proteinuria in heart failure is restricted to patients with an elevated blood urea nitrogen to creatinine ratio
Brisco MA, Zile MR, Maaten J, Hanberg JS, Wilson FP, Parikh C, Testani JM. The risk of death associated with proteinuria in heart failure is restricted to patients with an elevated blood urea nitrogen to creatinine ratio. International Journal Of Cardiology 2016, 215: 521-526. PMID: 27153048, PMCID: PMC4986924, DOI: 10.1016/j.ijcard.2016.04.100.Peer-Reviewed Original ResearchConceptsElevated blood urea nitrogenBUN/CrRenal dysfunctionBlood urea nitrogenCreatinine ratioUrea nitrogenLeft Ventricular Dysfunction (SOLVD) trialVentricular Dysfunction trialsGlomerular filtration rateRisk of deathBaseline characteristicsWorsened survivalAdverse eventsHeart failureTop tertileFiltration rateBottom tertileProteinuriaSurvival disadvantagePatientsMortalityTertileDysfunctionSurvivalSurvival models
2015
Blood urea nitrogen to creatinine ratio is associated with congestion and mortality in heart failure patients with renal dysfunction
Parrinello G, Torres D, Testani JM, Almasio PL, Bellanca M, Pizzo G, Cuttitta F, Pinto A, Butler J, Paterna S. Blood urea nitrogen to creatinine ratio is associated with congestion and mortality in heart failure patients with renal dysfunction. Internal And Emergency Medicine 2015, 10: 965-972. PMID: 26037394, DOI: 10.1007/s11739-015-1261-1.Peer-Reviewed Original ResearchConceptsBUN/CrInferior vena cavaRenal dysfunctionHeart failureVenous congestionBUN/Cr ratioMultiple logistic regression modelNYHA class 3Independent risk factorLong-term mortalityHeart failure patientsGlomerular filtration rateBlood urea nitrogenReceiver-operating characteristic analysisLogistic regression modelsCause deathHF outpatientsHF severityLower eGFRRenal functionAmbulatory visitsFailure patientsCreatinine ratioSingle centerRenal biomarkers
2013
Blood Urea Nitrogen/Creatinine Ratio Identifies a High-Risk but Potentially Reversible Form of Renal Dysfunction in Patients With Decompensated Heart Failure
Brisco MA, Coca SG, Chen J, Owens AT, McCauley BD, Kimmel SE, Testani JM. Blood Urea Nitrogen/Creatinine Ratio Identifies a High-Risk but Potentially Reversible Form of Renal Dysfunction in Patients With Decompensated Heart Failure. Circulation Heart Failure 2013, 6: 233-239. PMID: 23325460, PMCID: PMC4067251, DOI: 10.1161/circheartfailure.112.968230.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBiomarkersBlood Urea NitrogenCardio-Renal SyndromeChi-Square DistributionCreatinineFemaleGlomerular Filtration RateHeart FailureHumansKaplan-Meier EstimateKidneyLogistic ModelsMaleMiddle AgedMultivariate AnalysisOdds RatioPatient AdmissionPrognosisProportional Hazards ModelsRetrospective StudiesRisk AssessmentRisk FactorsTime FactorsUp-RegulationConceptsReversible renal dysfunctionBUN/CrBlood urea nitrogen/creatinine ratioUrea nitrogen/creatinine ratioHeart failureRenal functionRenal dysfunctionCreatinine ratioElevated BUN/CrPatients meeting eligibility criteriaDecompensated heart failure patientsDecompensated heart failureHigh-risk patientsHeart failure patientsGlomerular filtration rateRisk of deathMeeting eligibility criteriaConsecutive hospitalizationsBaseline characteristicsFailure patientsDischarge diagnosisFiltration rateEligibility criteriaPatientsReversible form