Featured Publications
A phenomapping-derived tool to personalize the selection of anatomical vs. functional testing in evaluating chest pain (ASSIST)
Oikonomou EK, Van Dijk D, Parise H, Suchard MA, de Lemos J, Antoniades C, Velazquez EJ, Miller EJ, Khera R. A phenomapping-derived tool to personalize the selection of anatomical vs. functional testing in evaluating chest pain (ASSIST). European Heart Journal 2021, 42: 2536-2548. PMID: 33881513, PMCID: PMC8488385, DOI: 10.1093/eurheartj/ehab223.Peer-Reviewed Original ResearchConceptsStable chest painChest painPrimary endpointMajor adverse cardiovascular eventsNon-fatal myocardial infarctionAdverse cardiovascular eventsStudy's primary endpointCoronary artery diseaseClinical trial populationsCox regression modelParticipant-level dataSCOT-HEARTCardiovascular eventsCause mortalityHazard ratioPatients 5Artery diseaseFunctional testingPROMISE trialTrial populationMyocardial infarctionLower incidenceStudy populationPainCollected variables
2022
The impact of induction therapy on mortality and treated rejection in cardiac transplantation: A retrospective study
Bellumkonda L, Oikonomou EK, Hsueh C, Maulion C, Testani J, Patel J. The impact of induction therapy on mortality and treated rejection in cardiac transplantation: A retrospective study. The Journal Of Heart And Lung Transplantation 2022, 41: 482-491. PMID: 35094919, DOI: 10.1016/j.healun.2022.01.008.Peer-Reviewed Original ResearchConceptsInduction therapyCause mortalityOutcome measuresLeft ventricular assist device therapyT-cell depleting agentsVentricular assist device therapyDual organ transplantsRoutine induction therapySecondary outcome measuresTime of transplantationPrimary outcome measureCox regression modelPropensity score adjustmentRisk of rejectionPrior transplantCardiac transplantationHeart transplantationUNOS databaseAdult patientsOverall survivalDevice therapyMedian ageRetrospective studyReceptor antagonistReduced odds
2019
The Prognostic Role of Late Gadolinium Enhancement in Aortic Stenosis A Systematic Review and Meta-Analysis
Papanastasiou CA, Kokkinidis DG, Kampaktsis PN, Bikakis I, Cunha DK, Oikonomou EK, Greenwood JP, Garcia MJ, Karamitsos TD. The Prognostic Role of Late Gadolinium Enhancement in Aortic Stenosis A Systematic Review and Meta-Analysis. JACC Cardiovascular Imaging 2019, 13: 385-392. PMID: 31326491, DOI: 10.1016/j.jcmg.2019.03.029.Peer-Reviewed Original ResearchConceptsLate gadolinium enhancementAortic stenosisCardiac magnetic resonanceCause mortalityGadolinium enhancementLGE-CMRSystematic reviewA Systematic ReviewStrongest univariate predictorsRandom-effects modelBaseline characteristicsHazard ratioPrognostic roleRisk stratificationAdverse outcomesPrognostic valueUnivariate predictorsPooled analysisMyocardial fibrosisInclusion criteriaCardiac diseaseRegional fibrosisPatientsElectronic databasesMeta-Analysis
2018
The predictive value of baseline pulmonary hypertension in early and long term cardiac and all-cause mortality after transcatheter aortic valve implantation for patients with severe aortic valve stenosis: A systematic review and meta-analysis
Kokkinidis DG, Papanastasiou CA, Jonnalagadda AK, Oikonomou EK, Theochari CA, Palaiodimos L, Karvounis HI, Armstrong EJ, Faillace RT, Giannakoulas G. The predictive value of baseline pulmonary hypertension in early and long term cardiac and all-cause mortality after transcatheter aortic valve implantation for patients with severe aortic valve stenosis: A systematic review and meta-analysis. Cardiovascular Revascularization Medicine 2018, 19: 859-867. PMID: 29724516, DOI: 10.1016/j.carrev.2018.03.015.Peer-Reviewed Original ResearchConceptsTranscatheter aortic valve implantationElevated pulmonary artery pressurePulmonary artery pressureAortic valve stenosisSevere aortic valve stenosisSurgical aortic valve replacementBaseline pulmonary hypertensionPulmonary hypertensionAortic valve implantationArtery pressureCause mortalityHazard ratioSystematic reviewValve implantationValve stenosisRelative riskAssociation of PHBaseline pulmonary artery pressurePulmonary artery systolic pressureChronic obstructive pulmonary diseaseAortic valve replacementLate cardiac mortalityObstructive pulmonary diseaseRandom-effects modelMeta-regression analysisHeart transplantation versus left ventricular assist devices as destination therapy or bridge to transplantation for 1-year mortality: a systematic review and meta-analysis.
Theochari CA, Michalopoulos G, Oikonomou EK, Giannopoulos S, Doulamis IP, Villela MA, Kokkinidis DG. Heart transplantation versus left ventricular assist devices as destination therapy or bridge to transplantation for 1-year mortality: a systematic review and meta-analysis. Annals Of Cardiothoracic Surgery 2018, 7: 3-11. PMID: 29492379, PMCID: PMC5827119, DOI: 10.21037/acs.2017.09.18.Peer-Reviewed Original ResearchDestination therapyLate mortalityVentricular assist deviceHeart transplantationAssist deviceAvailable studiesSystematic reviewAdvanced heart failure patientsLVAD destination therapyHeart failure patientsCochrane CENTRAL databasesMeta-Analyses (PRISMA) guidelinesPreferred Reporting ItemsRandom-effects modelBTT-LVADCause mortalityFailure patientsMortality benefitAdvanced HFInvasive managementOptimal treatmentDT LVADPooled estimatesHTxReporting Items
2017
Pregnancy associated plasma protein-A as a prognostic biomarker of all-cause mortality and cardiovascular events in patients presenting with chest pain: a systematic review
Papanastasiou CA, Kokkinidis DG, Oikonomou EK, Mantziaris VG, Foley TR, Karamitsos TD, Waldo SW, Armstrong EJ. Pregnancy associated plasma protein-A as a prognostic biomarker of all-cause mortality and cardiovascular events in patients presenting with chest pain: a systematic review. Biomarkers 2017, 23: 1-9. PMID: 29144175, DOI: 10.1080/1354750x.2017.1397194.Peer-Reviewed Original ResearchConceptsIschemic chest painChest painCardiovascular eventsAdverse eventsShort-term adverse eventsShort-term risk stratificationAdverse cardiovascular eventsAcute coronary syndromeGroup of patientsIdentification of patientsStandardized clinical studiesElectronic databases MEDLINEFuture adverse eventsPlasma proteinsCause mortalityCoronary syndromeIschemic originRisk stratificationPrognostic valueCochrane LibraryPatient populationClinical studiesInclusion criteriaPrognostic biomarkerPain