2021
Impact of Obesity on Heart Transplantation Outcomes
Chouairi F, Milner A, Sen S, Guha A, Stewart J, Jastreboff AM, Mori M, Clark KA, Miller PE, Fuery MA, Rogers JG, Notarianni A, Jacoby D, Maulion C, Anwer M, Geirsson A, Desai NR, Ahmad T, Mullan CW. Impact of Obesity on Heart Transplantation Outcomes. Journal Of The American Heart Association 2021, 10: e021346. PMID: 34854316, PMCID: PMC9075353, DOI: 10.1161/jaha.121.021346.Peer-Reviewed Original ResearchConceptsBody mass indexHigher BMI categoriesImpact of obesityHeart transplantation outcomesBMI categoriesTransplantation outcomesHeart transplantationHigher body mass indexAllocation system changeAdvanced heart failureOrgan Sharing databaseObese BMI categoriesVentricular assist deviceNew Organ ProcurementPosttransplant deathPosttransplantation deathPosttransplant mortalityBackground PatientsBMI 18.5Adult patientsCohort studyHeart failureHeart transplantSharing databaseWaitlist deathsBrief report: Cannabis and opioid use disorder among heart failure admissions, 2008–2018
Chouairi F, Mullan CW, Ravindra N, Clark KAA, Jaffe EM, Bhinder J, Fuery M, Guha A, Ahmad T, Desai NR. Brief report: Cannabis and opioid use disorder among heart failure admissions, 2008–2018. PLOS ONE 2021, 16: e0255514. PMID: 34591847, PMCID: PMC8483306, DOI: 10.1371/journal.pone.0255514.Peer-Reviewed Original ResearchCannabis use disorder among atrial fibrillation admissions, 2008–2018
Chouairi F, Miller PE, Guha A, Clarke J, Reinhardt SW, Ahmad T, Freeman JV, Desai NR, Friedman DJ. Cannabis use disorder among atrial fibrillation admissions, 2008–2018. Pacing And Clinical Electrophysiology 2021, 44: 1934-1938. PMID: 34506639, DOI: 10.1111/pace.14356.Peer-Reviewed Original ResearchConceptsAtrial fibrillation hospitalizationsAF hospitalizationsImpact of CUDNational Inpatient SampleProportion of admissionsDiseases diagnosis codesPrevalence of cannabisHistory of CUDHospital dischargeYounger patientsHigher proportionUnderserved patientsBlack raceDiagnosis codesInpatient SampleInternational ClassificationHospitalizationLegality of cannabisCannabis usePatientsAdmissionCodiagnosisLittle dataCUDCannabisEvaluation of Racial and Ethnic Disparities in Cardiac Transplantation
Chouairi F, Fuery M, Clark KA, Mullan CW, Stewart J, Caraballo C, Clarke J, Sen S, Guha A, Ibrahim NE, Cole RT, Holaday L, Anwer M, Geirsson A, Rogers JG, Velazquez EJ, Desai NR, Ahmad T, Miller PE. Evaluation of Racial and Ethnic Disparities in Cardiac Transplantation. Journal Of The American Heart Association 2021, 10: e021067. PMID: 34431324, PMCID: PMC8649228, DOI: 10.1161/jaha.120.021067.Peer-Reviewed Original ResearchConceptsWhite patientsHispanic patientsBlack patientsCardiac transplantationHeart transplantationHigh riskEthnic disparitiesAdult heart recipientsAllocation system changePost-transplant deathPost-transplant mortalityOrgan Sharing databasePost-transplantation deathNew allocation systemHeart recipientsDiabetes mellitusRenal diseaseSharing databaseTransplantation ratesUnited NetworkContemporary outcomesPatientsTransplantationDonor characteristicsStudy periodMechanical ventilation at the time of heart transplantation and associations with clinical outcomes
Miller PE, Mullan CW, Chouairi F, Sen S, Clark KA, Reinhardt S, Fuery M, Anwer M, Geirsson A, Formica R, Rogers JG, Desai NR, Ahmad T. Mechanical ventilation at the time of heart transplantation and associations with clinical outcomes. European Heart Journal Acute Cardiovascular Care 2021, 10: 843-851. PMID: 34389855, PMCID: PMC8557439, DOI: 10.1093/ehjacc/zuab063.Peer-Reviewed Original ResearchConceptsHeart transplantationMechanical ventilationSingle-organ heart transplantationMedian waitlist timeOrgan Sharing databaseTime of transplantationMultivariable logistic regressionMultivariable adjustmentWaitlist timeClinical outcomesSharing databasePoor outcomeVentilated patientsUnited NetworkTemporary mechanical supportClinical acuityTransplantationPatientsPrevious dialysisLogistic regressionMortalityStrong associationReasonable outcomesOutcomesAssociationREVeAL-HF Design and Rationale of a Pragmatic Randomized Controlled Trial Embedded Within Routine Clinical Practice
Ahmad T, Yamamoto Y, Biswas A, Ghazi L, Martin M, Simonov M, Hsiao A, Kashyap N, Velazquez EJ, Desai NR, Wilson FP. REVeAL-HF Design and Rationale of a Pragmatic Randomized Controlled Trial Embedded Within Routine Clinical Practice. JACC Heart Failure 2021, 9: 409-419. PMID: 33992566, DOI: 10.1016/j.jchf.2021.03.006.Peer-Reviewed Original ResearchConceptsHeart failurePatient outcomesClinical decision makingN-terminal pro-B-type natriuretic peptide levelsPro-B-type natriuretic peptide levelsPragmatic Randomized Controlled TrialIntravenous diuretic agentsNatriuretic peptide levelsRandomized Controlled TrialsRoutine clinical practiceEvidence-based interventionsElectronic health recordsControlled TrialsPatient populationAccurate prognosticationCommon causeDiuretic agentsPeptide levelsClinical practicePg/TrialsHealth recordsSignificant riskMortalityOutcomesChanges 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 listImpact of the new heart allocation policy on patients with restrictive, hypertrophic, or congenital cardiomyopathies
Chouairi F, Mullan CW, Sen S, Mori M, Fuery M, Elder RW, Lesse J, Norton K, Clark KA, Miller PE, Mulligan D, Formica R, Rogers JG, Jacoby D, Maulion C, Anwer M, Geirsson A, Desai NR, Ahmad T. Impact of the new heart allocation policy on patients with restrictive, hypertrophic, or congenital cardiomyopathies. PLOS ONE 2021, 16: e0247789. PMID: 33651802, PMCID: PMC7924739, DOI: 10.1371/journal.pone.0247789.Peer-Reviewed Original ResearchConceptsCongenital heart diseaseAllocation system changeHeart allocation systemNew heart allocation policyNew heart allocation systemTransplantation of patientsOrgan Sharing databasePost-transplantation outcomesPost-transplant survivalTime of transplantationMechanical circulatory supportRate of transplantationNumber of patientsHeart allocation policyNew allocation systemStatus 1ACardiac transplantAdult patientsSharing databaseWaitlist survivalCirculatory supportClinical benefitCongenital cardiomyopathyUnited NetworkCHD patients
2020
Geographical affiliation with top 10 NIH-funded academic medical centers and differences between mortality from cardiovascular disease and cancer
Angraal S, Caraballo C, Kahn P, Bhatnagar A, Singh B, Wilson FP, Fiuzat M, O'Connor CM, Allen LA, Desai NR, Mamtani R, Ahmad T. Geographical affiliation with top 10 NIH-funded academic medical centers and differences between mortality from cardiovascular disease and cancer. American Heart Journal 2020, 230: 54-58. PMID: 32950462, PMCID: PMC7734611, DOI: 10.1016/j.ahj.2020.08.014.Peer-Reviewed Original ResearchConceptsCardiovascular mortality ratesMortality rateCardiovascular mortalityCancer mortalityCardiovascular diseaseMedical CenterIndex groupAnnual cardiovascular mortality rateCardiovascular mortality trendsCancer mortality ratesAcademic medical centerBenefit of patientsMortality trendsSociodemographic characteristicsMortalityIncremental benefitComparison groupNIH fundingImplementation scienceNIHHigh rateDiseaseRapid translationAverage declineResearch prioritiesEvaluation of Case Volumes of a Heart Transplant Program and Short-term Outcomes After Changes in the United Network for Organ Sharing Donor Heart Allocation System
Mori M, Wilson L, Ali A, Ahmad T, Anwer M, Jacoby D, Geirsson A, Krumholz HM. Evaluation of Case Volumes of a Heart Transplant Program and Short-term Outcomes After Changes in the United Network for Organ Sharing Donor Heart Allocation System. JAMA Network Open 2020, 3: e2017513. PMID: 32945877, PMCID: PMC7501535, DOI: 10.1001/jamanetworkopen.2020.17513.Peer-Reviewed Original ResearchConceptsYale-New Haven HospitalHeart transplant programShort-term outcomesHeart transplantHeart transplant volumeNew Haven HospitalDonor heartsPatient selectionRecipient selectionTransplant programsTransplant volumeWaiting listCase volumeDonor heart allocation systemPre-post cohort studyConservative patient selectionUnused donor heartsHeart allocation systemHigher median numberCirculatory assist devicesCohort studyPatient characteristicsMore patientsSingle centerCenter volume
2015
Cardiac dysfunction associated with a nucleotide polymerase inhibitor for treatment of hepatitis C
Ahmad T, Yin P, Saffitz J, Pockros PJ, Lalezari J, Shiffman M, Freilich B, Zamparo J, Brown K, Dimitrova D, Kumar M, Manion D, Heath-Chiozzi M, Wolf R, Hughes E, Muir AJ, Hernandez AF. Cardiac dysfunction associated with a nucleotide polymerase inhibitor for treatment of hepatitis C. Hepatology 2015, 62: 409-416. PMID: 25251156, DOI: 10.1002/hep.27488.Peer-Reviewed Original ResearchConceptsNucleotide polymerase inhibitorLVEF dysfunctionPolymerase inhibitorsB-type natriuretic peptide levelsChronic hepatitis C virus (HCV) infectionHepatitis C virus infectionActing antiviral (DAA) agentsSevere myocyte damageC virus infectionNatriuretic peptide levelsPhase II studyVentricular ejection fractionT-wave inversionOff-target toxicityHCV treatmentHepatitis CII studySystolic functionTransthoracic echocardiogramEjection fractionNew DAAsCardiac dysfunctionElectrocardiogram changesPathological findingsCardiac toxicity