2021
Compensatory post-diuretic renal sodium reabsorption is not a dominant mechanism of diuretic resistance in acute heart failure
Cox ZL, Rao VS, Ivey-Miranda JB, Moreno-Villagomez J, Mahoney D, Ponikowski P, Biegus J, Turner JM, Maulion C, Bellumkonda L, Asher JL, Parise H, Wilson PF, Ellison DH, Wilcox CS, Testani JM. Compensatory post-diuretic renal sodium reabsorption is not a dominant mechanism of diuretic resistance in acute heart failure. European Heart Journal 2021, 42: 4468-4477. PMID: 34529781, PMCID: PMC8599022, DOI: 10.1093/eurheartj/ehab620.Peer-Reviewed Original ResearchConceptsAcute decompensated heart failureSpontaneous natriuresisDiuretic resistanceHeart failureSodium reabsorptionUrine collectionSpot urine sodium concentrationsIntravenous loop diureticsNeutral sodium balanceAcute heart failureDecompensated heart failureRenal sodium reabsorptionSubgroup of patientsUrine sodium concentrationSpot urine samplesDiuretic therapySodium aviditySodium excretionUrine sodiumCreatinine ratioLoop diureticsDiuretic administrationSodium balanceNatriuresisHealthy volunteers
2016
Hypochloremia and Diuretic Resistance in Heart Failure
Hanberg JS, Rao V, Maaten J, Laur O, Brisco MA, Wilson F, Grodin JL, Assefa M, Broughton J, Planavsky NJ, Ahmad T, Bellumkonda L, Tang WH, Parikh CR, Testani JM. Hypochloremia and Diuretic Resistance in Heart Failure. Circulation Heart Failure 2016, 9: e003180. PMID: 27507113, PMCID: PMC4988527, DOI: 10.1161/circheartfailure.116.003180.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBiomarkersChloridesConnecticutCross-Sectional StudiesDown-RegulationDrug ResistanceFemaleFurosemideHeart FailureHumansKidneyMaleMiddle AgedOdds RatioPilot ProjectsProspective StudiesReninRisk FactorsSodiumSodium Potassium Chloride Symporter InhibitorsTime FactorsTreatment OutcomeConceptsDiuretic resistanceHeart failureCare centerSerum chloridePro-B-type natriuretic peptideChloride supplementationRenal free water excretionB-type natriuretic peptidePoor diuretic responsePlasma renin activityPlasma renin concentrationHeart failure cohortFree water excretionRecent epidemiological studiesBasic science evidenceBlood urea nitrogenSerum chloride levelsFurosemide equivalentsNeurohormonal activationRenin activityRenin concentrationCreatinine ratioLoop diureticsDiuretic responseSerum sodiumReduced Cardiac Index Is Not the Dominant Driver of Renal Dysfunction in Heart Failure
Hanberg JS, Sury K, Wilson FP, Brisco MA, Ahmad T, Maaten J, Broughton JS, Assefa M, Tang WH, Parikh CR, Testani JM. Reduced Cardiac Index Is Not the Dominant Driver of Renal Dysfunction in Heart Failure. Journal Of The American College Of Cardiology 2016, 67: 2199-2208. PMID: 27173030, PMCID: PMC4867078, DOI: 10.1016/j.jacc.2016.02.058.Peer-Reviewed Original ResearchConceptsPulmonary artery catheterizationBlood urea nitrogenCardiac indexRenal functionHeart failureRenal dysfunctionGood renal functionReduced cardiac indexHigher cardiac indexGlomerular filtration rateSignificant inverse correlationMultiple subgroupsMulticenter populationWorse eGFRHF patientsCreatinine ratioArtery catheterizationPatient subgroupsFiltration rateSerial assessmentLinear mixed modelingESCAPE trialPatientsUrea nitrogenDysfunctionThe 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
2014
A Combined-Biomarker Approach to Clinical Phenotyping Renal Dysfunction in Heart Failure
Testani JM, Damman K, Brisco MA, Chen S, Laur O, Kula AJ, Tang WH, Parikh C. A Combined-Biomarker Approach to Clinical Phenotyping Renal Dysfunction in Heart Failure. Journal Of Cardiac Failure 2014, 20: 912-919. PMID: 25152498, PMCID: PMC4292792, DOI: 10.1016/j.cardfail.2014.08.008.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBiomarkersBlood Urea NitrogenCardio-Renal SyndromeCohort StudiesConfidence IntervalsCreatinineFemaleGlomerular Filtration RateHeart FailureHospitals, UniversityHumansMaleMiddle AgedPhenotypePrognosisRenal InsufficiencyRetrospective StudiesSensitivity and SpecificityStatistics, NonparametricSurvival RateConceptsB-type natriuretic peptideElevated B-type natriuretic peptideRenal dysfunctionHeart failureLower B-type natriuretic peptideUse of BNPCombined biomarker approachDecompensated heart failureIntrinsic kidney diseaseBlood urea nitrogenDifferent clinical phenotypesBUN/Diuretic resistanceInotrope useWorse survivalCreatinine ratioRisk stratificationDischarge diagnosisNatriuretic peptideVenous congestionKidney diseaseStratify patientsClinical phenotypingPatientsUrea nitrogen
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
2011
Influence of renal dysfunction phenotype on mortality in the setting of cardiac dysfunction: analysis of three randomized controlled trials
Testani JM, Coca SG, Shannon RP, Kimmel SE, Cappola TP. Influence of renal dysfunction phenotype on mortality in the setting of cardiac dysfunction: analysis of three randomized controlled trials. European Journal Of Heart Failure 2011, 13: 1224-1230. PMID: 21926073, PMCID: PMC3200208, DOI: 10.1093/eurjhf/hfr123.Peer-Reviewed Original ResearchConceptsGlomerular filtration rateBUN/creatinineRenal insufficiencyNeurohormonal activationRisk of mortalityHeart failurePulmonary Artery Catheterization Effectiveness trialLeft Ventricular Dysfunction (SOLVD) trialBaseline renal insufficiencyBeta-Blocker EvaluationVentricular Dysfunction trialsHeart failure populationCongestive heart failureBlood urea nitrogenCreatinine ratioPrimary outcomeCardiac dysfunctionFailure populationFiltration rateEffectiveness trialPoor survivalStudy populationUrea nitrogenPatientsMortality