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
Improvement in cardiac function and regional LV strain following intramyocardial injection of a theranostic hydrogel early postmyocardial infarction in a porcine model
Avendaño R, Midgett D, Melvinsdottir I, Thorn S, Uman S, Pickell Z, Lee S, Liu Z, Mamarian M, Duncan J, Spinale F, Burdick J, Sinusas A. Improvement in cardiac function and regional LV strain following intramyocardial injection of a theranostic hydrogel early postmyocardial infarction in a porcine model. Journal Of Applied Physiology 2023, 135: 405-420. PMID: 37318987, PMCID: PMC10538987, DOI: 10.1152/japplphysiol.00342.2022.Peer-Reviewed Original ResearchConceptsMyocardial infarctionIntramyocardial deliveryLV hemodynamicsControl groupFunctional indexEarly post-myocardial infarctionSystolic functional indicesMyocardial performance indexAnterolateral myocardial infarctionLeft anterior descendingPressure-volume loop areaLeft ventricular remodelingGlobal LV functionLV functional changesPost-myocardial infarctionSupply/demand ratioRegional LV strainHydrogel groupTei indexEjection fractionHeart failureAnterior descendingCircumflex arteryLV functionAortic pressureImpaired left-ventricular global longitudinal strain by feature-tracking cardiac MRI predicts mortality in systemic sclerosis
Feher A, Miller E, Peters D, Mojibian H, Sinusas A, Hinchcliff M, Baldassarre L. Impaired left-ventricular global longitudinal strain by feature-tracking cardiac MRI predicts mortality in systemic sclerosis. Rheumatology International 2023, 43: 849-858. PMID: 36894756, DOI: 10.1007/s00296-023-05294-6.Peer-Reviewed Original ResearchConceptsLate gadolinium enhancementLV-GLSSystemic sclerosisWorse survivalClinical indicationsImpaired left ventricular global longitudinal strainLeft ventricular global longitudinal strainPresence of LGECMR strainLV cardiac indexWorse LV-GLSLV ejection fractionCox regression analysisGlobal longitudinal strainLV cardiac outputGlobal radialCardiac indexOverall survivalRetrospective cohortEjection fractionPrognostic valueAdverse outcomesCardiac outputGadolinium enhancementRV strain
2021
57884 Fast strain-encoded cardiac magnetic resonance detects immune checkpoint inhibitor associated cardiotoxicity
Cuomo J, Ragheb E, Feher A, Kwan J, Huber S, Mojibian H, Peters D, Sinusas A, Baldassarre L. 57884 Fast strain-encoded cardiac magnetic resonance detects immune checkpoint inhibitor associated cardiotoxicity. Journal Of Clinical And Translational Science 2021, 5: 141-142. PMCID: PMC8827987, DOI: 10.1017/cts.2021.761.Peer-Reviewed Original ResearchImmune checkpoint inhibitorsVentricular ejection fractionLV strainCardiotoxicity groupCheckpoint inhibitorsEjection fractionProspective studyCardiac functionNormal left ventricular ejection fractionLeft ventricular ejection fractionCardiac magnetic resonance imagingCardiac magnetic resonance imaging techniquesGlobal longitudinal LV strainAbnormal troponin valuesEvidence of cardiotoxicityProportion of myocardiumLarge prospective studiesLongitudinal LV strainStudy of patientsSteady-state free precession cine imagesAbnormal cardiac functionCircumferential LV strainT2-weighted imagingMagnetic resonance imagingDysfunctional segments
2019
Molecular Imaging of the Heart
Boutagy NE, Feher A, Alkhalil I, Umoh N, Sinusas AJ. Molecular Imaging of the Heart. 2019, 9: 477-533. PMID: 30873600, DOI: 10.1002/cphy.c180007.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsCardiovascular diseaseRisk stratificationCardiovascular molecular imagingMultimodality cardiovascular imagingIschemic heart failureMolecular imagingMolecular imaging targetsPositron emission tomographySingle photon emissionNumerous cardiovascular diseasesClinical molecular imagingEjection fractionHeart failureMedical therapySystemic diseaseMyocardial infarctionPathophysiological changesCardiac functionEarly diagnosisDisease processCardiac arrhythmiasEmission tomographyCardiovascular imagingImaging strategiesPhoton emission
2018
New Method for Quantification of the Left Ventricular Function from Low-dose Equilibrium Radionuclide Angiocardiography: Comparisons with Conventional Methods in Patients
Liu Y, Tsatkin V, Fazzone-Chettiar R, Miller E, Sinusas A. New Method for Quantification of the Left Ventricular Function from Low-dose Equilibrium Radionuclide Angiocardiography: Comparisons with Conventional Methods in Patients. 2018, 00: 1-3. DOI: 10.1109/nssmic.2018.8824749.Peer-Reviewed Original ResearchEnd-diastolic volumeEquilibrium radionuclide angiocardiographyLeft ventricular functionGated blood pool SPECTPeak filling rateBlood pool SPECTEjection fractionVentricular functionRadionuclide angiocardiographyLV end-diastolic volumeHigh-dose injectionLow-dose injectionsAnterior oblique viewSingle photon emissionRed blood cellsDose reductionReduced radiation dosePatientsShort-axis slicesBlood cellsRadiation exposureGold standardImaging modalitiesRadiation doseOblique viewIn Vivo Reactive Oxygen Species Detection With a Novel Positron Emission Tomography Tracer, 18F-DHMT, Allows for Early Detection of Anthracycline-Induced Cardiotoxicity in Rodents
Boutagy NE, Wu J, Cai Z, Zhang W, Booth CJ, Kyriakides TC, Pfau D, Mulnix T, Liu Z, Miller EJ, Young LH, Carson RE, Huang Y, Liu C, Sinusas AJ. In Vivo Reactive Oxygen Species Detection With a Novel Positron Emission Tomography Tracer, 18F-DHMT, Allows for Early Detection of Anthracycline-Induced Cardiotoxicity in Rodents. JACC Basic To Translational Science 2018, 3: 378-390. PMID: 30062224, PMCID: PMC6058999, DOI: 10.1016/j.jacbts.2018.02.003.Peer-Reviewed Original ResearchLeft ventricular ejection fractionSuperoxide productionReactive oxygen speciesMarkers of ROSNovel positron emission tomography (PET) tracerEarly detectionMyocardial superoxide productionVentricular ejection fractionDoxorubicin-induced cardiotoxicityCardiac superoxide productionPositron emission tomography (PET) tracerPositron emission tomographyEmission tomography tracerEjection fractionCancer patientsCardiotoxicity detectionEmission tomographyTomography tracerCardiotoxicityReactive oxygen species (ROS) detectionWeeksOxygen speciesRodentsEchocardiographyPatients
2016
High-Sensitivity and High-Resolution SPECT/CT Systems Provide Substantial Dose Reduction Without Compromising Quantitative Precision for Assessment of Myocardial Perfusion and Function
Palyo RJ, Sinusas A, Liu YH. High-Sensitivity and High-Resolution SPECT/CT Systems Provide Substantial Dose Reduction Without Compromising Quantitative Precision for Assessment of Myocardial Perfusion and Function. Journal Of Nuclear Medicine 2016, 57: 893-899. PMID: 26848173, DOI: 10.2967/jnumed.115.164632.Peer-Reviewed Original ResearchConceptsMyocardial perfusion SPECTEjection fractionDose reductionMyocardial perfusionAnterior descendingRight coronary artery territoryTetrofosmin myocardial perfusion SPECTNormal MPS resultsNuclear Cardiology guidelinesCoronary artery territoryLarge perfusion defectsLV ejection fractionLeft anterior descendingData of patientsNormal myocardial perfusionEnd-systolic volumeRelative dose reductionDefect sizeMPS resultsShort imaging protocolsTetrofosmin scanArtery territoryCardiology guidelinesSubstantial dose reductionLV function
2000
Assessment of left ventricular ejection fraction with quantitative gated SPECT: Accuracy and correlation with first-pass radionuclide angiography
Vallejo E, Dione D, Sinusas A, Wackers F. Assessment of left ventricular ejection fraction with quantitative gated SPECT: Accuracy and correlation with first-pass radionuclide angiography. Journal Of Nuclear Cardiology 2000, 7: 461-470. PMID: 11083195, DOI: 10.1067/mnc.2000.107820.Peer-Reviewed Original ResearchConceptsVentricular ejection fractionEjection fractionPatient studiesLeft ventricular ejection fractionExtracardiac activityFirst-pass radionuclide angiographyLarger end-diastolic volumeStress-induced ischemiaEnd-diastolic volumeQuantitative gated SPECTSingle photon emissionAbnormal LVEFNormal LVEFRadionuclide angiographyDiastolic volumeLVEFPerfusion defectsLVEF valuesSame patientHeart sizeLeft ventricleGated SPECTSPECT studiesQGSMean rest
1994
Intracoronary Ethanol Ablation in Swine:
HAINES D, VEROW A, SINUSAS A, WHAYNE J, DiMARCO J. Intracoronary Ethanol Ablation in Swine:. Journal Of Cardiovascular Electrophysiology 1994, 5: 41-49. PMID: 8186876, DOI: 10.1111/j.1540-8167.1994.tb01113.x.Peer-Reviewed Original ResearchConceptsIntracoronary ethanol ablationVentricular ejection fractionPerfusion bedAblation bedEjection fractionEthanol ablationChemical ablationLeft ventricular ejection fractionCoronary blood supplySignificant ventricular arrhythmiasCircumflex coronary arteryLeft anterior descendingTreatment of arrhythmiasDistribution of necrosisCoronary artery bedArterial pressureMethoxyisobutyl isonitrileSignificant arrhythmiasAnterior descendingIntracoronary infusionVentricular arrhythmiasCoronary arteryCoronary bedCoronary branchesHemodynamic parameters