Featured Publications
Thirty-Day and 90-Day Episode of Care Spending Following Heart Failure Hospitalization Among Medicare Beneficiaries
Reinhardt SW, Clark KAA, Xin X, Parzynski CS, Riello R, Sarocco P, Ahmad T, Desai NR. Thirty-Day and 90-Day Episode of Care Spending Following Heart Failure Hospitalization Among Medicare Beneficiaries. Circulation Cardiovascular Quality And Outcomes 2022, 15: e008069. PMID: 35861780, DOI: 10.1161/circoutcomes.121.008069.Peer-Reviewed Original ResearchConceptsHypertensive heart diseaseIndex hospitalizationMedicare beneficiariesPost-acute care spendingService administrative claims dataMedicare Bundled PaymentsHeart failure admissionsHeart failure hospitalizationPrimary discharge diagnosisChronic kidney diseaseAdministrative claims dataCare spendingPostacute care spendingSkilled nursing facilitiesCare Improvement ProgramDrivers of costDiastolic HFHF careHF hospitalizationSystolic HFFailure hospitalizationDischarge diagnosisKidney diseaseObservation staysPostacute careNational Trends in the Burden of Atrial Fibrillation During Hospital Admissions for Heart Failure
Reinhardt SW, Chouairi F, Miller PE, Clark KAA, Kay B, Fuery M, Guha A, Freeman JV, Ahmad T, Desai NR, Friedman DJ. National Trends in the Burden of Atrial Fibrillation During Hospital Admissions for Heart Failure. Journal Of The American Heart Association 2021, 10: e019412. PMID: 34013736, PMCID: PMC8483517, DOI: 10.1161/jaha.120.019412.Peer-Reviewed Original ResearchConceptsReduced ejection fractionComorbid atrial fibrillationHeart failureAtrial fibrillationEjection fractionHospital mortalityHF hospitalizationBackground Heart failureConclusion Atrial fibrillationWhite individualsNational Inpatient SampleMedian hospital chargesMore comorbiditiesComorbid hypertensionHF admissionsHF outcomesPatient demographicsDiabetes mellitusHospital admissionHospital chargesInpatient SampleVascular diseaseHospitalizationPatientsMortality
2021
Trends in Heart Failure Hospitalizations in the US from 2008 to 2018
Clark KAA, Reinhardt SW, Chouairi F, Miller PE, Kay B, Fuery M, Guha A, Ahmad T, Desai NR. Trends in Heart Failure Hospitalizations in the US from 2008 to 2018. Journal Of Cardiac Failure 2021, 28: 171-180. PMID: 34534665, DOI: 10.1016/j.cardfail.2021.08.020.Peer-Reviewed Original ResearchMeSH KeywordsComorbidityHeart FailureHospitalizationHumansPrognosisStroke VolumeUnited StatesVentricular Function, LeftConceptsOverall heart failureHeart failureEjection fractionStudy periodHeart failure hospitalizationInpatient mortality rateNational Inpatient SampleLength of stayHospital inpatient costsVolume of patientsHealth care costsHFpEF subgroupsComorbid diabetesFailure hospitalizationInpatient mortalityMedian ageBlack patientsHispanic patientsSleep apneaEntire cohortInpatient costsInpatient SampleHF typeHospital costsMortality rateForgone Medical Care Associated With Increased Health Care Costs Among the U.S. Heart Failure Population
Thomas A, Valero-Elizondo J, Khera R, Warraich HJ, Reinhardt SW, Ali HJ, Nasir K, Desai NR. Forgone Medical Care Associated With Increased Health Care Costs Among the U.S. Heart Failure Population. JACC Heart Failure 2021, 9: 710-719. PMID: 34391737, DOI: 10.1016/j.jchf.2021.05.010.Peer-Reviewed Original ResearchMeSH KeywordsAgedEmergency Service, HospitalHealth Care CostsHealth ExpendituresHeart FailureHumansPrevalenceUnited StatesConceptsHeart failureHealth care utilizationHealth care costsHealth care expendituresCare utilizationCare costsMedical careMore emergency department visitsTotal health care costsCare expendituresAnnual health careAnnual inpatient costsPrevalence of patientsEmergency department visitsMedical Expenditure Panel SurveyOverall health care spendingHF patientsElderly patientsCare AssociatedDepartment visitsFailure populationInpatient costsHealth care spendingLeading causePatientsIntercountry Differences in Guideline-Directed Medical Therapy and Outcomes Among Patients With Heart Failure
Fuery MA, Chouairi F, Januzzi JL, Moe GW, Caraballo C, McCullough M, Miller PE, Reinhardt SW, Clark K, Oseran A, Milner A, Pacor J, Kahn PA, Singh A, Ravindra N, Guha A, Vadlamani L, Kulkarni NS, Fiuzat M, Felker GM, O'Connor CM, Ahmad T, Ezekowitz J, Desai NR. Intercountry Differences in Guideline-Directed Medical Therapy and Outcomes Among Patients With Heart Failure. JACC Heart Failure 2021, 9: 497-505. PMID: 33992564, DOI: 10.1016/j.jchf.2021.02.011.Peer-Reviewed Original ResearchConceptsGuideline-directed medical therapyGDMT useCountry of enrollmentHeart failureMedical therapyHigher body mass indexKaplan-Meier survival estimatesGUIDE-IT trialHeart failure hospitalizationReduced ejection fractionLog-rank testingMineralocorticoid receptor antagonistsPrimary study endpointBody mass indexPatterns of careCare delivery structuresGUIDE-ITHF hospitalizationFailure hospitalizationUsual careEjection fractionStudy endpointBlack patientsClinical outcomesMass indexChanges in Use of Left Ventricular Assist Devices as Bridge to Transplantation With New Heart Allocation Policy
Mullan CW, Chouairi F, Sen S, Mori M, Clark KAA, Reinhardt SW, Miller PE, Fuery MA, Jacoby D, Maulion C, Anwer M, Geirsson A, Mulligan D, Formica R, Rogers JG, Desai NR, Ahmad T. Changes in Use of Left Ventricular Assist Devices as Bridge to Transplantation With New Heart Allocation Policy. JACC Heart Failure 2021, 9: 420-429. PMID: 33714748, DOI: 10.1016/j.jchf.2021.01.010.Peer-Reviewed Original ResearchConceptsDonor heart allocation systemNumber of patientsHeart allocation systemVentricular assist deviceWaitlist survivalAssist deviceNew heart allocation policyLeft ventricular assist deviceAllocation system changePost-transplant mortalityOrgan Sharing databaseOutcomes of patientsPost-transplantation outcomesProportion of patientsTime of transplantContinuous-flow LVADPost-transplantation survivalHeart allocation policyNew allocation systemBaseline recipientStatus 1AHeart transplantationIschemic timeLVAD implantationTransplant list
2020
Limitations of Natriuretic Peptide Levels in Establishing SGLT-2 Inhibitors for Heart Failure Care ∗
Velazquez EJ, Reinhardt SW. Limitations of Natriuretic Peptide Levels in Establishing SGLT-2 Inhibitors for Heart Failure Care ∗. Journal Of The American College Of Cardiology 2020, 76: 2086-2088. PMID: 33121715, DOI: 10.1016/j.jacc.2020.09.538.Commentaries, Editorials and LettersSex Differences in Patients Receiving Left Ventricular Assist Devices for End-Stage Heart Failure
Gruen J, Caraballo C, Miller PE, McCullough M, Mezzacappa C, Ravindra N, Mullan CW, Reinhardt SW, Mori M, Velazquez E, Geirsson A, Ahmad T, Desai NR. Sex Differences in Patients Receiving Left Ventricular Assist Devices for End-Stage Heart Failure. JACC Heart Failure 2020, 8: 770-779. PMID: 32653446, DOI: 10.1016/j.jchf.2020.04.015.Peer-Reviewed Original ResearchConceptsAdverse eventsVentricular assist deviceClinical outcomesPotential underuseHigh riskAssist deviceEnd-stage heartWomen 65 yearsRisk of deathContinuous-flow LVADYears of ageAdvanced treatment optionsSex differencesHeart transplantationMultivariable adjustmentHeart failureHeart transplantSimilar incidenceTreatment optionsSimilar riskSurvival analysisLVADPatientsDevice malfunctionWomenNeurohormonal Blockade and Clinical Outcomes in Patients With Heart Failure Supported by Left Ventricular Assist Devices
McCullough M, Caraballo C, Ravindra NG, Miller PE, Mezzacappa C, Levin A, Gruen J, Rodwin B, Reinhardt S, van Dijk D, Ali A, Ahmad T, Desai NR. Neurohormonal Blockade and Clinical Outcomes in Patients With Heart Failure Supported by Left Ventricular Assist Devices. JAMA Cardiology 2020, 5: 175-182. PMID: 31738366, PMCID: PMC6865330, DOI: 10.1001/jamacardio.2019.4965.Peer-Reviewed Original ResearchConceptsKansas City Cardiomyopathy Questionnaire scoreNeurohormonal blockadeAngiotensin receptor blockersVentricular assist deviceQuality of lifeMineralocorticoid antagonistsReceptor blockersHeart failureWalk testQuestionnaire scoresΒ-blockersEnzyme inhibitorsAssist deviceGuideline-directed medical therapyAngiotensin-converting enzyme inhibitorMechanically Assisted Circulatory SupportHeart failure regimenLeft ventricular assist deviceAdvanced heart failureRetrospective cohort analysisContinuous-flow LVADBetter survival rateOutcomes of interestInteragency RegistryTriple therapy
2019
Clinical Outcomes After Left Ventricular Assist Device Implantation in Older Adults An INTERMACS Analysis
Caraballo C, DeFilippis EM, Nakagawa S, Ravindra NG, Miller PE, Mezzacappa C, McCullough M, Gruen J, Levin A, Reinhardt S, Mullan C, Ali A, Maurer MS, Desai NR, Ahmad T, Topkara VK. Clinical Outcomes After Left Ventricular Assist Device Implantation in Older Adults An INTERMACS Analysis. JACC Heart Failure 2019, 7: 1069-1078. PMID: 31779930, DOI: 10.1016/j.jchf.2019.10.004.Peer-Reviewed Original ResearchConceptsYears of ageVentricular assist device implantationAssist device implantationOlder adultsElderly patientsLVAD implantationDevice implantationMultivariate Cox proportional hazards regression modelCox proportional hazards regression modelKaplan-Meier survival estimatesMechanically Assisted Circulatory SupportProportional hazards regression modelsMechanical circulatory support technologyPost-LVAD outcomesHeart failure populationLog-rank testingSerum albumin levelPredictors of survivalPost-LVAD implantationHazards regression modelsPredictors of outcomeAge-specific outcomesAntithrombotic regimenDurable MCSINTERMACS AnalysisClinical Implications of Respiratory Failure in Patients Receiving Durable Left Ventricular Assist Devices for End-Stage Heart Failure
Miller PE, Caraballo C, Ravindra NG, Mezzacappa C, McCullough M, Gruen J, Levin A, Reinhardt S, Ali A, Desai NR, Ahmad T. Clinical Implications of Respiratory Failure in Patients Receiving Durable Left Ventricular Assist Devices for End-Stage Heart Failure. Circulation Heart Failure 2019, 12: e006369. PMID: 31707800, DOI: 10.1161/circheartfailure.119.006369.Peer-Reviewed Original ResearchMeSH KeywordsAgedDisease ProgressionFemaleFrailtyHealth StatusHeart FailureHeart-Assist DevicesHumansIntubation, IntratrachealLungMaleMiddle AgedProsthesis DesignQuality of LifeRecovery of FunctionRegistriesRespiratory InsufficiencyRetrospective StudiesRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeVentricular Function, LeftConceptsMechanically Assisted Circulatory Support profile 1 patientsVentricular assist device implantationProfile 1 patientsAssist device implantationRespiratory failureInteragency RegistryLVAD implantationCirculatory supportDevice implantationMechanically Assisted Circulatory Support profile 1Right ventricular assist device implantationLeft ventricular assist device implantationAdvanced heart failure patientsEnd-stage heart failureMechanically Assisted Circulatory SupportAdvanced heart failure populationHeart failure populationHeart failure patientsLandmark clinical trialsMechanical circulatory supportContinuous-flow LVADVentricular assist devicePostimplant complicationsFailure patientsLVAD placement