2021
Changes 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 ResearchMeSH KeywordsAdultHeart FailureHeart TransplantationHeart-Assist DevicesHumansPolicyRetrospective StudiesTissue DonorsTreatment OutcomeUnited StatesWaiting ListsConceptsDonor 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
Sex 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 ResearchMeSH KeywordsAgedFemaleHeart FailureHeart TransplantationHeart-Assist DevicesHumansMaleRegistriesRetrospective StudiesSex CharacteristicsTreatment OutcomeConceptsAdverse 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