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 analysisUnsupervised 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 characteristicsImpaired 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
2020
Coronary Computed Tomography Angiography Compared With Single Photon Emission Computed Tomography Myocardial Perfusion Imaging as a Guide to Optimal Medical Therapy in Patients Presenting With Stable Angina: The RESCUE Trial
Stillman A, Gatsonis C, Lima J, Liu T, Snyder B, Cormack J, Malholtra V, Schnall M, Udelson J, Hoffmann U, Woodard P, Kim M, Hegde V, Kenny, Afaq M, Clouse M, Malhotra V, Cole, Al‐Khori F, Scherer M, Rothenberg F, Kirsch J, Shah A, Quyyumi A, Engberding N, Becker C, Li D, Pantelic M, Duerinckx A, Martin, Schrank J, Zachariah, Jacob R, Borges A, Roberge E, Truong Q, Edelman R, Akers S, Marsh K, Kemp, Reingold J, Chilakapati V, Osborne J, Lui K, Gomes A, Bajpai A, del Rio J, Singh, Thompson B, Rivard A, Jha S, Mavromatis K, Woodard P, Sinusas A. Coronary Computed Tomography Angiography Compared With Single Photon Emission Computed Tomography Myocardial Perfusion Imaging as a Guide to Optimal Medical Therapy in Patients Presenting With Stable Angina: The RESCUE Trial. Journal Of The American Heart Association 2020, 9: e017993. PMID: 33283579, PMCID: PMC7955393, DOI: 10.1161/jaha.120.017993.Peer-Reviewed Original ResearchConceptsMajor adverse cardiovascular eventsOptimal medical therapyAcute myocardial infarctionMedical therapyStable anginaMyocardial perfusion imagingMyocardial infarctionSingle photon emissionNegative CCTAHazard ratioRescue trialPerfusion imagingFirst major adverse cardiovascular eventTomography myocardial perfusion imagingSPECT myocardial perfusion imagingAdverse cardiovascular eventsOutcomes of patientsTomography myocardial perfusionFirst imaging testPhoton emissionCCTA armPositive CCTACardiovascular eventsSegment involvementOutcome trials
2019
Application of Hybrid Matrix Metalloproteinase-Targeted and Dynamic 201Tl Single-Photon Emission Computed Tomography/Computed Tomography Imaging for Evaluation of Early Post-Myocardial Infarction Remodeling
Thorn SL, Barlow SC, Feher A, Stacy MR, Doviak H, Jacobs J, Zellars K, Renaud JM, Klein R, deKemp RA, Khakoo AY, Lee T, Spinale FG, Sinusas AJ. Application of Hybrid Matrix Metalloproteinase-Targeted and Dynamic 201Tl Single-Photon Emission Computed Tomography/Computed Tomography Imaging for Evaluation of Early Post-Myocardial Infarction Remodeling. Circulation Cardiovascular Imaging 2019, 12: e009055. PMID: 31707811, PMCID: PMC7250243, DOI: 10.1161/circimaging.119.009055.Peer-Reviewed Original ResearchConceptsMyocardial blood flowSingle photon emissionBlood flowRecombinant TIMP-3Matrix metalloproteinasesR injuryTomography/Intracoronary deliveryMMP activationPost-myocardial infarction remodelingSubsequent left ventricular remodelingHybrid single-photon emissionDual-isotope single-photon emissionTomography/Computed Tomography ImagingLeft ventricular remodelingIschemia/reperfusionPost-MI remodelingPost-myocardial infarctionComputed tomography (CT) imagingIntracoronary infusionVentricular functionSaline groupVentricular remodelingNoninvasive evaluationTreatment groups
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
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
2014
Biodistribution and Radiation Dosimetry of LMI1195: First-in-Human Study of a Novel 18F-Labeled Tracer for Imaging Myocardial Innervation
Sinusas AJ, Lazewatsky J, Brunetti J, Heller G, Srivastava A, Liu YH, Sparks R, Puretskiy A, Lin SF, Crane P, Carson RE, Lee LV. Biodistribution and Radiation Dosimetry of LMI1195: First-in-Human Study of a Novel 18F-Labeled Tracer for Imaging Myocardial Innervation. Journal Of Nuclear Medicine 2014, 55: 1445-1451. PMID: 24994931, DOI: 10.2967/jnumed.114.140137.Peer-Reviewed Original ResearchConceptsAdministered activityBlood-pool standardized uptake valuesPhase 1 clinical trialCardiac nerve terminalsCardiac imagingMSv/MBqMean effective doseStandardized uptake valueRadiation doseOLINDA/EXMPatient radiation doseRadiation dose estimatesAdverse eventsBlood pressureWhole-body imagesClinical trialsBlood radioactivityMyocardial innervationNerve terminalsUrinary bladderHealthy subjectsLiver ratioHeart rateLung activityMyocardial uptake
2013
Multimodality Imaging Approach for Serial Assessment of Regional Changes in Lower Extremity Arteriogenesis and Tissue Perfusion in a Porcine Model of Peripheral Arterial Disease
Stacy MR, Yu da Y, Maxfield MW, Jaba IM, Jozwik BP, Zhuang ZW, Lin BA, Hawley CL, Caracciolo CM, Pal P, Tirziu D, Sampath S, Sinusas AJ. Multimodality Imaging Approach for Serial Assessment of Regional Changes in Lower Extremity Arteriogenesis and Tissue Perfusion in a Porcine Model of Peripheral Arterial Disease. Circulation Cardiovascular Imaging 2013, 7: 92-99. PMID: 24170237, PMCID: PMC3929970, DOI: 10.1161/circimaging.113.000884.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsArteriesCapillariesCollateral CirculationDisease Models, AnimalLower ExtremityMaleMultimodal ImagingNeovascularization, PhysiologicPerfusion ImagingPeripheral Arterial DiseasePredictive Value of TestsRegional Blood FlowReproducibility of ResultsSwineTomography, Emission-Computed, Single-PhotonTomography, X-Ray ComputedConceptsPeripheral arterial diseaseSPECT/CT imagingArterial diseaseWeeks postocclusionProximal musclesCT imagingCapillary densityTissue perfusionPorcine modelLower extremity perfusionSingle photon emission tomographyFemoral artery occlusionMultimodality Imaging ApproachPhoton emission tomographyGamma countingIschemic calfNonischemic hindlimbsExtremity perfusionArtery occlusionLimb ischemiaMuscle perfusionSerial assessmentSerial changesCT angiographySPECT perfusion
2011
Targeted Imaging of the Spatial and Temporal Variation of Matrix Metalloproteinase Activity in a Porcine Model of Postinfarct Remodeling
Sahul ZH, Mukherjee R, Song J, McAteer J, Stroud RE, Dione DP, Staib L, Papademetris X, Dobrucki LW, Duncan JS, Spinale FG, Sinusas AJ. Targeted Imaging of the Spatial and Temporal Variation of Matrix Metalloproteinase Activity in a Porcine Model of Postinfarct Remodeling. Circulation Cardiovascular Imaging 2011, 4: 381-391. PMID: 21505092, PMCID: PMC3140564, DOI: 10.1161/circimaging.110.961854.Peer-Reviewed Original Research
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
1998
Additive Effects of Hyperinsulinemia and Ischemia on Myocardial GLUT1 and GLUT4 Translocation In Vivo
Russell R, Yin R, Caplan M, Hu X, Ren J, Shulman G, Sinusas A, Young L. Additive Effects of Hyperinsulinemia and Ischemia on Myocardial GLUT1 and GLUT4 Translocation In Vivo. Circulation 1998, 98: 2180-2186. PMID: 9815873, DOI: 10.1161/01.cir.98.20.2180.Peer-Reviewed Original ResearchExercise testing with myocardial perfusion imaging in patients with normal baseline electrocardiograms: Cost savings with a stepwise diagnostic strategy
Mattera J, Arain S, Sinusas A, Finta L, Wackers F. Exercise testing with myocardial perfusion imaging in patients with normal baseline electrocardiograms: Cost savings with a stepwise diagnostic strategy. Journal Of Nuclear Cardiology 1998, 5: 498-506. PMID: 9796897, DOI: 10.1016/s1071-3581(98)90181-7.Peer-Reviewed Original ResearchConceptsExercise myocardial perfusion imagingCoronary artery diseaseNormal exercise electrocardiogramMyocardial perfusion imagingNormal myocardial perfusion imagingNormal resting electrocardiogramsExercise electrocardiogramExercise testingArtery diseaseIntermediate likelihoodResting electrocardiogramsAbnormal myocardial perfusion imagingDiagnostic strategiesAbnormal exercise electrocardiogramGroup 3 patientsHard cardiac eventsNonfatal myocardial infarctionNormal baseline electrocardiogramSubsequent coronary revascularizationIncremental diagnostic informationDiagnostic testing strategiesCoronary revascularizationCardiac eventsUnstable anginaConsecutive patients
1996
Quantitative comparison of single-isotope and dual-isotope stress-rest single-photon emission computed tomographic imaging for reversibility of defects
Siebelink H, Natale D, Sinusas A, Wackers F. Quantitative comparison of single-isotope and dual-isotope stress-rest single-photon emission computed tomographic imaging for reversibility of defects. Journal Of Nuclear Cardiology 1996, 3: 483-493. PMID: 8989673, DOI: 10.1016/s1071-3581(96)90058-6.Peer-Reviewed Original ResearchConceptsDefect reversibilitySingle photon emissionDual-isotope SPECTNormal databaseStress-rest single-photon emissionTechnetium 99m-labeled sestamibiStress-induced myocardial ischemiaStress single-photon emissionPerfusion defect reversibilityPrior myocardial infarctionDefect sizeRest/stressSingle-isotope imagingMyocardial infarctionThallium SPECTMyocardial ischemiaIndividual patientsMyocardial perfusionThallium-201PatientsSestamibiCircumferential count profilesTomographic imagingImaging protocolDual-isotope imaging
1995
Kinetic analysis of technetium-99m-labeled nitroimidazole (BMS-181321) as a tracer of myocardial hypoxia.
Ng C, Sinusas A, Zaret B, Soufer R. Kinetic analysis of technetium-99m-labeled nitroimidazole (BMS-181321) as a tracer of myocardial hypoxia. Circulation 1995, 92: 1261-8. PMID: 7648674, DOI: 10.1161/01.cir.92.5.1261.Peer-Reviewed Original Research
1994
One-year prognosis of patients with normal planar or single-photon emission computed tomographic technetium 99m-labeled sestamibi exercise imaging
Raiker K, Sinusas A, Wackers F, Zaret B. One-year prognosis of patients with normal planar or single-photon emission computed tomographic technetium 99m-labeled sestamibi exercise imaging. Journal Of Nuclear Cardiology 1994, 1: 449-456. PMID: 9420729, DOI: 10.1007/bf02961599.Peer-Reviewed Original ResearchConceptsNondiagnostic exercise electrocardiogramsPositive exercise electrocardiogramExercise electrocardiogramPrognostic significanceSingle photon emissionHigher cardiac event rateCardiac event rateChest pain syndromeNegative exercise electrocardiogramNonfatal myocardial infarctionOne-year prognosisPositive stress electrocardiogramCoronary artery diseaseFavorable prognostic significanceMyocardial perfusion imagingStress perfusion imagesCardiac causesCardiac eventsPain syndromeArtery diseaseConsecutive patientsExercise SPECTMyocardial infarctionFavorable outcomeStress electrocardiogramEffects of altered left ventricular geometry on quantitative technetium 99m sestamibi defect size in humans: Perfusion imaging during coronary angioplasty
Haronian H, Sinusas A, Remetz M, Brennan J, Cabin H, Zaret B, Wackers F. Effects of altered left ventricular geometry on quantitative technetium 99m sestamibi defect size in humans: Perfusion imaging during coronary angioplasty. Journal Of Nuclear Cardiology 1994, 1: 150-158. PMID: 9420682, DOI: 10.1007/bf02984087.Peer-Reviewed Original ResearchConceptsPercutaneous transluminal coronary angioplastyLeft ventricular geometryAltered left ventricular geometryCoronary angioplastyRegional wall motionVentricular geometryEnd-diastolic imagesMyocardial perfusionExercise-induced myocardial ischemiaAbnormal regional wall motionMyocardial risk areaTransluminal coronary angioplastyQuantitative defectsExperimental animal modelsPlanar myocardial perfusionMyocardial perfusion imagingQuantitative technetiumResultsNine patientsVentricular functionCoronary arteryMyocardial infarctionVessel occlusionMyocardial ischemiaPerfusion defectsWall motion
1993
Myocardial risk area defined by technetium-99m sestamibi imaging during percutaneous transluminal coronary angioplasty: Comparison with coronary angiography
Haronian H, Remetz M, Sinusas A, Baron J, Miller H, Cleman M, Zaret B, Wackers F. Myocardial risk area defined by technetium-99m sestamibi imaging during percutaneous transluminal coronary angioplasty: Comparison with coronary angiography. Journal Of The American College Of Cardiology 1993, 22: 1033-1043. PMID: 8409038, DOI: 10.1016/0735-1097(93)90413-u.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAngioplasty, Balloon, CoronaryClinical ProtocolsCollateral CirculationCoronary AngiographyCoronary DiseaseEvaluation Studies as TopicFemaleHumansMaleMiddle AgedMyocardial InfarctionObserver VariationPredictive Value of TestsPrognosisReproducibility of ResultsRisk FactorsSeverity of Illness IndexTechnetium Tc 99m SestamibiTomography, Emission-Computed, Single-PhotonConceptsMyocardial risk areaCoronary angiographyCoronary angioplastyQuantitative myocardial perfusionMyocardial perfusionMyocardial areaPercutaneous transluminal coronary angioplastyAngiographic risk scoresSmall risk areasTransluminal coronary angioplastyCoronary artery diseaseCoronary artery stenosisInitial myocardial uptakeAngioplasty balloon inflationArtery diseaseLeft anteriorNonperfused areaArtery stenosisCoronary anatomyCoronary arteryBalloon inflationPatient managementMyocardial uptakeRisk scoreAngioplasty
1984
Pathoanatomic correlates of regional left ventricular wall motion assessed by equilibrium radionuclide angiocardiography: A postmortem correlation
Sinusas A, Hardin N, Clements J, Wackers F. Pathoanatomic correlates of regional left ventricular wall motion assessed by equilibrium radionuclide angiocardiography: A postmortem correlation. The American Journal Of Cardiology 1984, 54: 975-981. PMID: 6496360, DOI: 10.1016/s0002-9149(84)80128-9.Peer-Reviewed Original ResearchConceptsAbnormal regional wall motionRegional wall motionPostmortem findingsPathoanatomic correlatesEquilibrium radionuclideLeft bundle branch blockNormal regional wall motionGross myocardial lesionsLeft ventricular wall motionBundle branch blockLeft ventricular segmentsRegional left ventricular wall motionVentricular wall motionFalse-negative segmentsCoronary arterySevere stenosisMyocardial infarctionNontransmural infarctionBranch blockVentricular segmentsWall motionMyocardial lesionsPatientsPredictive valueAbnormal segments