2023
Unsupervised learning to characterize patients with known coronary artery disease undergoing myocardial perfusion imaging
Williams M, Bednarski B, Pieszko K, Miller R, Kwiecinski J, Shanbhag A, Liang J, Huang C, Sharir T, Dorbala S, Di Carli M, Einstein A, Sinusas A, Miller E, Bateman T, Fish M, Ruddy T, Acampa W, Hauser M, Kaufmann P, Dey D, Berman D, Slomka P. Unsupervised learning to characterize patients with known coronary artery disease undergoing myocardial perfusion imaging. European Journal Of Nuclear Medicine And Molecular Imaging 2023, 50: 2656-2668. PMID: 37067586, PMCID: PMC10317876, DOI: 10.1007/s00259-023-06218-z.Peer-Reviewed Original ResearchConceptsCoronary artery diseaseMyocardial perfusion imagingCause mortalityTotal perfusion deficitArtery diseaseRisk stratificationPerfusion deficitsHigher body mass indexTomography myocardial perfusion imagingMore diabetes mellitusSPECT myocardial perfusion imagingBetter risk stratificationRisk-stratify patientsBody mass indexREFINE SPECT registrySingle photon emissionDiabetes mellitusMass indexExternal cohortStress imagingMyocardial perfusionPatientsRisk phenotypePerfusion imagingImaging characteristics
2022
Direct Risk Assessment From Myocardial Perfusion Imaging Using Explainable Deep Learning
Singh A, Miller RJH, Otaki Y, Kavanagh P, Hauser MT, Tzolos E, Kwiecinski J, Van Kriekinge S, Wei CC, Sharir T, Einstein AJ, Fish MB, Ruddy TD, Kaufmann PA, Sinusas AJ, Miller EJ, Bateman TM, Dorbala S, Di Carli M, Liang JX, Huang C, Han D, Dey D, Berman DS, Slomka PJ. Direct Risk Assessment From Myocardial Perfusion Imaging Using Explainable Deep Learning. JACC Cardiovascular Imaging 2022, 16: 209-220. PMID: 36274041, PMCID: PMC10980287, DOI: 10.1016/j.jcmg.2022.07.017.Peer-Reviewed Original ResearchConceptsMyocardial perfusion imagingTotal perfusion deficitNonfatal myocardial infarctionMyocardial infarctionPerfusion imagingTomography myocardial perfusion imagingIschemic total perfusion deficitStress total perfusion deficitTesting groupReceiver-operating characteristic curvePatient-level riskPrediction of deathSingle photon emissionLogistic regression modelsCause mortalityPrimary outcomeHighest quartileRisk stratificationAbnormal perfusionNormal perfusionPerfusion deficitsAdverse event predictionPrognostic accuracyHigh riskMyocardial perfusion
2021
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
2020
Survival Following Implantable Cardioverter‐Defibrillator Implantation in Patients With Amyloid Cardiomyopathy
Higgins AY, Annapureddy AR, Wang Y, Minges KE, Lampert R, Rosenfeld LE, Jacoby DL, Curtis JP, Miller EJ, Freeman JV. Survival Following Implantable Cardioverter‐Defibrillator Implantation in Patients With Amyloid Cardiomyopathy. Journal Of The American Heart Association 2020, 9: e016038. PMID: 32867553, PMCID: PMC7726970, DOI: 10.1161/jaha.120.016038.Peer-Reviewed Original ResearchConceptsImplantable cardioverter defibrillator implantationCardioverter-defibrillator implantationNonischemic cardiomyopathyCardiac amyloidosisDiabetes mellitusCerebrovascular diseaseVentricular tachycardiaMultivariable Cox proportional hazards regression modelsCox proportional hazards regression modelProportional hazards regression modelsKaplan-Meier survival curvesCox proportional hazards modelPropensity-matched cohortOutcomes of patientsHazards regression modelsProportional hazards modelCause mortalityICD implantationRenal functionMultivariable analysisConclusions MortalityRisk factorsRegistry dataAmyloid cardiomyopathyHigh risk
2019
Myocardial Ischemic Burden and Differences in Prognosis Among Patients With and Without Diabetes: Results From the Multicenter International REFINE SPECT Registry
Han D, Rozanski A, Gransar H, Sharir T, Einstein AJ, Fish MB, Ruddy TD, Kaufmann PA, Sinusas AJ, Miller EJ, Bateman TM, Dorbala S, Di Carli M, Liang JX, Hu LH, Germano G, Dey D, Berman DS, Slomka PJ. Myocardial Ischemic Burden and Differences in Prognosis Among Patients With and Without Diabetes: Results From the Multicenter International REFINE SPECT Registry. Diabetes Care 2019, 43: 453-459. PMID: 31776140, PMCID: PMC6971784, DOI: 10.2337/dc19-1360.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngina, UnstableCohort StudiesCoronary Artery DiseaseDiabetes MellitusDiabetic AngiopathiesFemaleHumansMaleMiddle AgedMyocardial InfarctionMyocardial IschemiaMyocardial Perfusion ImagingPrevalencePrognosisPropensity ScoreRegistriesRisk FactorsTomography, Emission-Computed, Single-PhotonConceptsMajor adverse cardiovascular eventsTotal perfusion deficitMACE riskMyocardial ischemic burdenAdverse cardiovascular eventsTomography myocardial perfusionREFINE SPECT registrySingle photon emissionIschemic burdenMinimal ischemiaCardiovascular eventsCause mortalityLate revascularizationPrognostic impactUnstable anginaSignificant ischemiaPerfusion deficitsMyocardial infarctionMyocardial ischemiaRisk factorsCardiovascular diseaseHigh riskMyocardial perfusionPatientsDiabetes
2018
Serial Assessment of Coronary Flow Reserve by Rubidium-82 Positron Emission Tomography Predicts Mortality in Heart Transplant Recipients
Feher A, Srivastava A, Quail MA, Boutagy NE, Khanna P, Wilson L, Miller EJ, Liu YH, Lee F, Sinusas AJ. Serial Assessment of Coronary Flow Reserve by Rubidium-82 Positron Emission Tomography Predicts Mortality in Heart Transplant Recipients. JACC Cardiovascular Imaging 2018, 13: 109-120. PMID: 30343093, PMCID: PMC6461525, DOI: 10.1016/j.jcmg.2018.08.025.Peer-Reviewed Original ResearchMeSH KeywordsAgedCoronary Artery DiseaseFemaleFractional Flow Reserve, MyocardialHeart TransplantationHumansMaleMiddle AgedMyocardial Perfusion ImagingPositron-Emission TomographyPredictive Value of TestsProspective StudiesRadiopharmaceuticalsReproducibility of ResultsRubidium RadioisotopesTime FactorsTreatment OutcomeConceptsPositron emission tomographyLong-term prognostic valueSerial assessmentPET-2Pet-1Cause mortalityHT patientsPrognostic valueHigh CFRLow CFRRb positron-emission tomographyEmission tomographyRb-82 positron emission tomographyRubidium-82 positron emission tomographyPET imagingHeart transplantation patientsHistory of HTCardiac allograft vasculopathyHeart transplant recipientsLong-term mortalitySingle-center studyMultivariate Cox regressionCoronary flow reserveAllograft vasculopathyHT recipients
2016
Visual identification of coronary calcifications on attenuation correction CT improves diagnostic accuracy of SPECT/CT myocardial perfusion imaging
Patchett ND, Pawar S, Miller EJ. Visual identification of coronary calcifications on attenuation correction CT improves diagnostic accuracy of SPECT/CT myocardial perfusion imaging. Journal Of Nuclear Cardiology 2016, 24: 711-720. PMID: 26850031, DOI: 10.1007/s12350-016-0395-5.Peer-Reviewed Original ResearchMeSH KeywordsArtifactsComputed Tomography AngiographyCoronary Artery DiseaseFemaleHumansImage EnhancementMaleMiddle AgedMyocardial Perfusion ImagingObserver VariationReproducibility of ResultsSensitivity and SpecificitySingle Photon Emission Computed Tomography Computed TomographyUser-Computer InterfaceVascular CalcificationConceptsCoronary artery calciumMyocardial perfusion imagingCT myocardial perfusion imagingSPECT/CT myocardial perfusion imagingInvasive coronary angiographyAttenuation correction CTCause mortalityLate revascularizationAbsence of CACAccuracy of MPIRetrospective chart reviewFalse-positive studiesCT myocardial perfusionArtery calciumChart reviewHazard ratioConsecutive patientsCoronary angiographyCoronary calcificationRisk stratificationRisk markersMore MIsCT scanMyocardial perfusionPatients