2024
Artificial Intelligence Predicts Hospitalization for Acute Heart Failure Exacerbation in Patients Undergoing Myocardial Perfusion Imaging
Feher A, Bednarski B, Miller R, Shanbhag A, Lemley M, Miras L, Sinusas A, Miller E, Slomka P. Artificial Intelligence Predicts Hospitalization for Acute Heart Failure Exacerbation in Patients Undergoing Myocardial Perfusion Imaging. Journal Of Nuclear Medicine 2024, 65: jnumed.123.266761. PMID: 38548351, PMCID: PMC11064832, DOI: 10.2967/jnumed.123.266761.Peer-Reviewed Original ResearchConceptsMyocardial perfusion imagingHF hospitalizationHeart failureStress left ventricular ejection fractionPerfusion imagingHF exacerbationPredictive of HF hospitalizationsSPECT/CT myocardial perfusion imagingMyocardial perfusionInternational cohortAcute heart failure exacerbationMedian follow-upVentricular ejection fractionReceiver-operating-characteristic curveClinical risk factorsHeart failure exacerbationExternal validation cohortAcute HF exacerbationPrevent HF hospitalizationsImaging parametersCalcium scoreEjection fractionClinical parametersCT scanValidation cohort
2023
Comparison of the prognostic value between quantification and visual estimation of coronary calcification from attenuation CT in patients undergoing SPECT myocardial perfusion imaging
Feher A, Pieszko K, Shanbhag A, Lemley M, Miller R, Huang C, Miras L, Liu Y, Gerber J, Sinusas A, Miller E, Slomka P. Comparison of the prognostic value between quantification and visual estimation of coronary calcification from attenuation CT in patients undergoing SPECT myocardial perfusion imaging. The International Journal Of Cardiovascular Imaging 2023, 40: 185-193. PMID: 37845406, PMCID: PMC466934, DOI: 10.1007/s10554-023-02980-1.Peer-Reviewed Original ResearchConceptsMajor adverse cardiovascular eventsCoronary artery calcificationMyocardial perfusion imagingCT myocardial perfusion imagingSPECT/CT myocardial perfusion imagingArtery calcificationPrognostic valuePrior coronary stentingAdverse cardiovascular eventsSimilar prognostic valueSPECT myocardial perfusionREFINE SPECT registrySPECT/CTCardiovascular eventsCAC scoringCalcium scoreCoronary calcificationCoronary stentingPrognostic utilitySingle centerCoronary arteryLow doseMyocardial perfusionPerfusion imagingSurvival analysisCorrection to: Integration of coronary artery calcium scoring from CT attenuation scans by machine learning improves prediction of adverse cardiovascular events in patients undergoing SPECT/CT myocardial perfusion imaging
Feher A, Pieszko K, Miller R, Lemley M, Shanbhag A, Huang C, Miras L, Liu Y, Sinusas A, Miller E, Slomka P. Correction to: Integration of coronary artery calcium scoring from CT attenuation scans by machine learning improves prediction of adverse cardiovascular events in patients undergoing SPECT/CT myocardial perfusion imaging. Journal Of Nuclear Cardiology 2023, 30: 860-863. PMID: 36598750, DOI: 10.1007/s12350-022-03196-x.Peer-Reviewed Original Research
2022
PET Myocardial Blood Flow for Post-transplant Surveillance and Cardiac Allograft Vasculopathy in Heart Transplant Recipients
Feher A, Miller EJ. PET Myocardial Blood Flow for Post-transplant Surveillance and Cardiac Allograft Vasculopathy in Heart Transplant Recipients. Current Cardiology Reports 2022, 24: 1865-1871. PMID: 36279035, DOI: 10.1007/s11886-022-01804-3.Peer-Reviewed Original ResearchConceptsHeart transplant recipientsAllograft vasculopathyTransplant recipientsPositron emission tomography myocardial perfusionOverall graft survivalPost-transplant surveillanceCardiac allograft vasculopathyHeart transplant patientsTomography myocardial perfusionRecent FindingsMultiple studiesMyocardial perfusion imagingMyocardial blood flowMBF quantificationGraft survivalHeart transplantationTransplant patientsTransplant rejectionSerial monitoringPrognostic performancePET myocardial blood flowBlood flowMyocardial perfusionPerfusion imagingMBF assessmentBlood flow quantification
2017
Quantitative Assessment of Coronary Microvascular Function
Feher A, Sinusas AJ. Quantitative Assessment of Coronary Microvascular Function. Circulation Cardiovascular Imaging 2017, 10: e006427. PMID: 28794138, PMCID: PMC5678979, DOI: 10.1161/circimaging.117.006427.Peer-Reviewed Original ResearchMeSH KeywordsComputed Tomography AngiographyCoronary AngiographyCoronary CirculationEchocardiographyHeart DiseasesHumansMagnetic Resonance ImagingMicrocirculationMyocardial Perfusion ImagingPositron-Emission TomographyPredictive Value of TestsPrognosisReproducibility of ResultsTomography, Emission-Computed, Single-PhotonConceptsCoronary microvascular dysfunctionMyocardial blood flowMicrovascular dysfunctionBlood flowMyocardial perfusionCoronary microvascular impairmentCoronary microvascular functionEpicardial coronary arteriesNormal myocardial perfusionMyocardial contrast echocardiographyAbsolute myocardial blood flowImportant prognostic relevanceMagnetic resonance imagingPositron emission tomographySingle photon emissionMicrovascular impairmentMicrovascular functionMultiple imaging modalitiesPrognostic relevanceCoronary arteryCoronary flowCoronary perfusionContrast echocardiographyClinical valueFunctional microcirculation
2015
Myocardial perfusion pattern for stratification of ischemic mitral regurgitation response to percutaneous coronary intervention
Goyal P, Kim J, Feher A, L. C, Gurevich S, Veal DR, Szulc M, Wong FJ, Ratcliffe MB, Levine RA, Devereux RB, Weinsaft JW. Myocardial perfusion pattern for stratification of ischemic mitral regurgitation response to percutaneous coronary intervention. Coronary Artery Disease 2015, 26: 642-650. PMID: 26049923, PMCID: PMC4631658, DOI: 10.1097/mca.0000000000000271.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overCardiac-Gated Single-Photon Emission Computer-Assisted TomographyEchocardiographyExercise TestFemaleHeartHumansLogistic ModelsMaleMiddle AgedMitral Valve InsufficiencyMultivariate AnalysisMyocardial InfarctionMyocardial Perfusion ImagingPercutaneous Coronary InterventionRisk AssessmentStroke VolumeConceptsPercutaneous coronary interventionMyocardial perfusion imagingAdvanced mitral regurgitationMitral regurgitationMyocardial perfusionCoronary interventionPerfusion defectsLV volumesStress/rest myocardial perfusionLeft ventricular (LV) chamber dilationVentricular chamber dilationAbnormal myocardial perfusionMild mitral regurgitationPerfusion defect sizeIschemic mitral regurgitationMyocardial perfusion patternsRest myocardial perfusionSingle photon emissionTransthoracic echocardiographyChamber dilationPerfusion deficitsPerfusion patternsMR severityRest scorePerfusion differences