2018
Hemodynamic factors associated with serum chloride in ambulatory patients with advanced heart failure
Grodin JL, Mullens W, Dupont M, Taylor DO, McKie PM, Starling RC, Testani JM, Tang WHW. Hemodynamic factors associated with serum chloride in ambulatory patients with advanced heart failure. International Journal Of Cardiology 2018, 252: 112-116. PMID: 29249420, DOI: 10.1016/j.ijcard.2017.11.024.Peer-Reviewed Original ResearchConceptsPulmonary capillary wedge pressureAdvanced chronic heart failureFick cardiac indexPulmonary artery systolic pressureRight atrial pressureVentricular assist device placementHeart transplantHeart rateHeart failureSerum chlorideHigher cardiac filling pressuresPoor long-term outcomesSerum Cl levelsCapillary wedge pressureCardiac filling pressuresChronic heart failureAdvanced heart failureInvasive hemodynamic assessmentHeart failure patientsRisk of deathLong-term outcomesLower serum chlorideConventional clinical parametersBackward regression modelAssociation of hemodynamics
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
Diuretic response in acute heart failure—an analysis from ASCEND-HF
Maaten J, Dunning AM, Valente MA, Damman K, Ezekowitz JA, Califf RM, Starling RC, van der Meer P, O'Connor CM, Schulte PJ, Testani JM, Hernandez AF, Tang WH, Voors AA. Diuretic response in acute heart failure—an analysis from ASCEND-HF. American Heart Journal 2015, 170: 313-321.e4. PMID: 26299229, DOI: 10.1016/j.ahj.2015.05.003.Peer-Reviewed Original ResearchConceptsAcute heart failureLow urine outputLower blood pressureDiuretic responseHospital admissionUrine outputBlood pressureHeart failurePoor baseline renal functionGood diuretic responseHeart failure rehospitalizationPoor diuretic responseBaseline renal functionASCEND-HF trialRisk of deathLong-term useDiuretic unresponsivenessNesiritide treatmentCause mortalityRenal impairmentPoor respondersRenal functionClinical predictorsLoop diureticsASCEND-HF
2013
Influence of Age-Related Versus Non–Age-Related Renal Dysfunction on Survival in Patients With Left Ventricular Dysfunction
Testani JM, Brisco MA, Han G, Laur O, Kula AJ, Cheng SJ, Tang WH, Parikh CR. Influence of Age-Related Versus Non–Age-Related Renal Dysfunction on Survival in Patients With Left Ventricular Dysfunction. The American Journal Of Cardiology 2013, 113: 127-131. PMID: 24216124, PMCID: PMC3915785, DOI: 10.1016/j.amjcard.2013.09.029.Peer-Reviewed Original ResearchConceptsLow glomerular filtration rateGlomerular filtration rateVentricular dysfunctionRenal dysfunctionNormal agingLeft ventricular dysfunctionRisk of deathNormal aging resultsAge-related decreaseInfluence of ageBaseline eGFRMean eGFRLower eGFRWorsened survivalPrognostic importanceFiltration rateSurvival disadvantagePrimary analysisDysfunctionEGFRSignificant riskPatientsUnderlying mechanismRiskMortalityBlood 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
Interaction Between Loop Diuretic-Associated Mortality and Blood Urea Nitrogen Concentration in Chronic Heart Failure
Testani JM, Cappola TP, Brensinger CM, Shannon RP, Kimmel SE. Interaction Between Loop Diuretic-Associated Mortality and Blood Urea Nitrogen Concentration in Chronic Heart Failure. Journal Of The American College Of Cardiology 2011, 58: 375-382. PMID: 21757114, PMCID: PMC3980479, DOI: 10.1016/j.jacc.2011.01.052.Peer-Reviewed Original ResearchConceptsHigh-dose loop diureticsBlood urea nitrogenLoop diureticsBUN levelsNeurohormonal activationBaseline characteristicsHeart failureNormal BUN levelChronic heart failureRisk of deathBlood urea nitrogen concentrationElevated BUN levelsCongestive symptomsOverall cohortWorsened survivalImproved survivalPrimary outcomeAdverse outcomesUrea nitrogen concentrationDiureticsUrea nitrogenBUN concentrationPatientsMortalitySurvival