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 variablesA novel machine learning-derived radiotranscriptomic signature of perivascular fat improves cardiac risk prediction using coronary CT angiography
Oikonomou EK, Williams MC, Kotanidis CP, Desai MY, Marwan M, Antonopoulos AS, Thomas KE, Thomas S, Akoumianakis I, Fan LM, Kesavan S, Herdman L, Alashi A, Centeno EH, Lyasheva M, Griffin BP, Flamm SD, Shirodaria C, Sabharwal N, Kelion A, Dweck MR, Van Beek EJR, Deanfield J, Hopewell JC, Neubauer S, Channon KM, Achenbach S, Newby DE, Antoniades C. A novel machine learning-derived radiotranscriptomic signature of perivascular fat improves cardiac risk prediction using coronary CT angiography. European Heart Journal 2019, 40: 3529-3543. PMID: 31504423, PMCID: PMC6855141, DOI: 10.1093/eurheartj/ehz592.Peer-Reviewed Original ResearchConceptsPerivascular adipose tissueFat attenuation indexCoronary CT angiographyCardiac risk predictionCoronary perivascular adipose tissueMajor adverse cardiac eventsCT angiographyRisk predictionHigh-risk plaque featuresPerivascular fat attenuation indexRadiomic featuresAdverse cardiac eventsConsecutive eligible participantsSCOT-HEART trialTraditional risk stratificationCoronary artery diseaseCoronary calcium scoreStandard coronary CT angiographyAcute myocardial infarctionCoronary inflammationCardiac eventsArtery diseaseCalcium scoreCardiac surgeryMACE prediction
2024
Real-world evaluation of an algorithmic machine-learning-guided testing approach in stable chest pain: a multinational, multicohort study
Oikonomou E, Aminorroaya A, Dhingra L, Partridge C, Velazquez E, Desai N, Krumholz H, Miller E, Khera R. Real-world evaluation of an algorithmic machine-learning-guided testing approach in stable chest pain: a multinational, multicohort study. European Heart Journal - Digital Health 2024, 5: 303-313. PMID: 38774380, PMCID: PMC11104476, DOI: 10.1093/ehjdh/ztae023.Peer-Reviewed Original ResearchRisk of acute myocardial infarctionAssociated with lower oddsHospital health systemCoronary artery diseaseCardiac testingRisk of adverse outcomesUK BiobankHealth systemProvider-drivenLower oddsAssociated with better outcomesAcute myocardial infarctionBlack raceStable chest painFemale sexReal world evaluationDiabetes historyMulticohort studyFunction testsSuspected coronary artery diseaseYounger ageRisk profileAdverse outcomesMultinational cohortPost hoc analysis
2021
Standardized measurement of coronary inflammation using cardiovascular computed tomography: integration in clinical care as a prognostic medical device
Oikonomou EK, Antonopoulos AS, Schottlander D, Marwan M, Mathers C, Tomlins P, Siddique M, Klüner LV, Shirodaria C, Mavrogiannis MC, Thomas S, Fava A, Deanfield J, Channon KM, Neubauer S, Desai MY, Achenbach S, Antoniades C. Standardized measurement of coronary inflammation using cardiovascular computed tomography: integration in clinical care as a prognostic medical device. Cardiovascular Research 2021, 117: 2677-2690. PMID: 34450625, DOI: 10.1093/cvr/cvab286.Peer-Reviewed Original ResearchMeSH KeywordsAdipose TissueAdiposityAdolescentAdultAgedAged, 80 and overAlgorithmsCloud ComputingComputed Tomography AngiographyCoronary AngiographyCoronary Artery DiseaseCoronary VesselsDecision Support TechniquesEnglandFemaleGermanyHeart Disease Risk FactorsHumansInflammationMaleMiddle AgedNomogramsOhioPredictive Value of TestsPrognosisRisk AssessmentTime FactorsYoung AdultConceptsFat attenuation indexPerivascular fat attenuation indexRisk factor-based modelCoronary artery inflammationClinical risk factorsFatal cardiac eventsCoronary artery diseaseCoronary inflammationRisk factorsFAI scorePlaque metricsCardiac eventsArtery inflammationAbsolute riskCoronary arteryClinical careNon-invasive detectionTraditional cardiovascular risk factorsPatient's absolute riskCardiovascular risk factorsFat compositionNet clinical benefitCardiovascular risk predictionDecision curve analysisFirst-line modality
2019
Adipose tissue–derived WNT5A regulates vascular redox signaling in obesity via USP17/RAC1-mediated activation of NADPH oxidases
Akoumianakis I, Sanna F, Margaritis M, Badi I, Akawi N, Herdman L, Coutinho P, Fagan H, Antonopoulos AS, Oikonomou EK, Thomas S, Chiu AP, Chuaiphichai S, Kotanidis CP, Christodoulides C, Petrou M, Krasopoulos G, Sayeed R, Lv L, Hale A, Naeimi Kararoudi M, McNeill E, Douglas G, George S, Tousoulis D, Channon KM, Antoniades C. Adipose tissue–derived WNT5A regulates vascular redox signaling in obesity via USP17/RAC1-mediated activation of NADPH oxidases. Science Translational Medicine 2019, 11 PMID: 31534019, PMCID: PMC7212031, DOI: 10.1126/scitranslmed.aav5055.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAdipose TissueAnimalsArteriesAtherosclerosisBlood VesselsCell MovementEndopeptidasesEnzyme ActivationLigandsMice, Inbred C57BLMuscle, Smooth, VascularMyocytes, Smooth MuscleNADPH OxidasesObesityOxidantsOxidation-ReductionRac1 GTP-Binding ProteinSignal TransductionVascular DiseasesWnt-5a ProteinConceptsAdipose tissueArterial wallFrizzled-related protein 5Oxidative stressArterial oxidative stressVascular disease pathogenesisNADPH oxidaseCoronary plaque progressionCoronary artery diseaseVascular oxidative stressVascular smooth muscle cellsFrizzled-2Smooth muscle cellsVascular redoxArtery diseaseHuman arterial wallPlasma concentrationsPlaque progressionParacrine mechanismsObesityParacrine effectsDisease pathogenesisMuscle cellsTranslational implicationsVascular signalingCardiac Computed Tomography
Oikonomou EK, West HW, Antoniades C. Cardiac Computed Tomography. Arteriosclerosis Thrombosis And Vascular Biology 2019, 39: 2207-2219. PMID: 31510795, DOI: 10.1161/atvbaha.119.312899.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsCardiac computed tomographyComputed tomographyCoronary atherosclerosisCoronary plaque burdenAcute coronary syndromeCoronary artery diseaseFirst-line diagnostic testUnstable coronary plaquesMorphological plaque featuresCoronary syndromeInflammatory burdenArterial inflammationArtery diseaseCoronary lesionsPlaque burdenPlaque featuresPrognostic implicationsCoronary plaquesPerivascular fatHemodynamic significanceVulnerable plaquesDiagnostic testsMajor causeTomographyCurrent roleAssociation of Biologic Therapy With Coronary Inflammation in Patients With Psoriasis as Assessed by Perivascular Fat Attenuation Index
Elnabawi YA, Oikonomou EK, Dey AK, Mancio J, Rodante JA, Aksentijevich M, Choi H, Keel A, Erb-Alvarez J, Teague HL, Joshi AA, Playford MP, Lockshin B, Choi AD, Gelfand JM, Chen MY, Bluemke DA, Shirodaria C, Antoniades C, Mehta NN. Association of Biologic Therapy With Coronary Inflammation in Patients With Psoriasis as Assessed by Perivascular Fat Attenuation Index. JAMA Cardiology 2019, 4: 885-891. PMID: 31365032, PMCID: PMC6669789, DOI: 10.1001/jamacardio.2019.2589.Peer-Reviewed Original ResearchConceptsPerivascular fat attenuation indexFat attenuation indexBiologic psoriasis therapyBiologic therapyCoronary inflammationSevere psoriasisPsoriasis therapyCoronary plaquesSkin diseasesAnti-tumor necrosis factor αChronic inflammatory skin diseaseDifferent biologic agentsTraditional risk scoresCoronary plaque burdenLow cardiovascular riskProspective cohort studyAnti-inflammatory effectsCoronary artery diseaseInflammatory skin diseaseCoronary atherosclerotic plaquesNecrosis factor αSevere skin diseaseCardiovascular eventsCardiovascular riskCohort study
2017
Detecting human coronary inflammation by imaging perivascular fat
Antonopoulos AS, Sanna F, Sabharwal N, Thomas S, Oikonomou EK, Herdman L, Margaritis M, Shirodaria C, Kampoli AM, Akoumianakis I, Petrou M, Sayeed R, Krasopoulos G, Psarros C, Ciccone P, Brophy CM, Digby J, Kelion A, Uberoi R, Anthony S, Alexopoulos N, Tousoulis D, Achenbach S, Neubauer S, Channon KM, Antoniades C. Detecting human coronary inflammation by imaging perivascular fat. Science Translational Medicine 2017, 9 PMID: 28701474, DOI: 10.1126/scitranslmed.aal2658.Peer-Reviewed Original ResearchConceptsPerivascular adipose tissueFat attenuation indexVascular inflammationSubclinical coronary artery diseaseHuman adipose tissue explantsHuman vesselsLipid accumulationHuman coronary vasculatureAcute coronary syndromeCoronary artery diseaseVulnerable atherosclerotic plaquesIntracellular lipid accumulationHuman coronary arteriesAdipocyte lipid contentAdipose tissue explantsPositron emission tomographyCT scan informationCoronary inflammationCoronary syndromeArtery diseaseCardiac surgeryValidation cohortCoronary arteryMultiple disease statesTissue inflammation
2015
The role of microRNAs in coronary artery disease: From pathophysiology to diagnosis and treatment
Economou EK, Oikonomou E, Siasos G, Papageorgiou N, Tsalamandris S, Mourouzis K, Papaioanou S, Tousoulis D. The role of microRNAs in coronary artery disease: From pathophysiology to diagnosis and treatment. Atherosclerosis 2015, 241: 624-633. PMID: 26117399, DOI: 10.1016/j.atherosclerosis.2015.06.037.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsMeSH KeywordsAnimalsApoptosisAtherosclerosisBiomarkersBlood PlateletsCell MovementCoronary Artery DiseaseDisease ProgressionEndothelium, VascularGene Expression RegulationHumansLipoproteins, HDLLipoproteins, LDLMiceMicroRNAsMonocytesMuscle, Smooth, VascularMyocardial InfarctionNeovascularization, PathologicOligonucleotidesReperfusion InjuryStem CellsConceptsCoronary artery diseaseDevelopment of atherosclerosisArtery diseaseCoronary artery disease progressionPathogenesis of atherosclerosisStudy of miRNAsMyocardial infarctionDisease progressionSpecific miRNA expression patternsTherapeutic approachesRole of microRNAsPreventive opportunitiesDiagnostic biomarkersRelated conditionsAtherosclerosisMiRNA expression patternsDiseaseNon-coding RNA moleculesRole of miRNAsIntercellular communicationIntracellular regulatorsExpression patternsMiRNAsPost-transcriptional levelGene expressionThe Role and Predictive Value of Cytokines in Atherosclerosis and Coronary Artery Disease.
Tousoulis D, Economou EK, Oikonomou E, Papageorgiou N, Siasos G, Latsios G, Kokkou E, Mourouzis K, Papaioannou S, Deftereos S, Cleman MW, Lymberi M, Gennimata V, Stefanadis C. The Role and Predictive Value of Cytokines in Atherosclerosis and Coronary Artery Disease. Current Medicinal Chemistry 2015, 22: 2636-50. PMID: 25876746, DOI: 10.2174/0929867322666150415145814.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsCoronary artery diseaseArtery diseaseChronic inflammatory diseasePathogenesis of atherosclerosisRole of cytokinesProcess of atherogenesisSmooth muscle cellsPrognostic significanceInflammatory diseasesAtherosclerotic plaquesPredictive valueAtherosclerosisCytokinesMuscle cellsTypes of cellsDiseaseMultiple effectsCellsCurrent informationInflammationAtherogenesisPathogenesisLeukocytesPlaques