2024
Association between 82Rb positron emission tomography-derived regional myocardial blood flow, severity of angiographic coronary artery stenosis, and mortality in patients with chest pain
Gallegos C, Paredes C, Hu J, Posada E, Saito Y, Lansky A, Shah S, Liu Y, Smolderen K, Mena-Hurtado C, Sinusas A, Miller E. Association between 82Rb positron emission tomography-derived regional myocardial blood flow, severity of angiographic coronary artery stenosis, and mortality in patients with chest pain. Advances In Radiotherapy & Nuclear Medicine 2024, 2: 3786. DOI: 10.36922/arnm.3786.Peer-Reviewed Original ResearchMyocardial flow reserveGlobal myocardial flow reserveQuantitative coronary angiographyAssociated with increased all-cause mortalityPositron emission tomographyCoronary artery stenosis severityMyocardial blood flowAll-cause mortalityCoronary angiographyChest painStenosis severityAngiographic coronary artery stenosisResting myocardial blood flowAcute chest painBlood flowInvasive coronary angiographyLeft circumflex arteryLeft descending arteryRight coronary arteryCoronary artery stenosisStress testCoronary stenosis severityCardiovascular eventsDescending arteryWeak correlationComparative study of functional and structural muscle changes in peripheral artery disease: rubidium-82 positron emission tomography and histological correlation
Alashi A, Vermillion B, Callegari S, Burns R, Guo L, Moulton E, Guerrera N, Depino A, Papademetris X, Zeiss C, Thorn S, Liu C, Sinusas A. Comparative study of functional and structural muscle changes in peripheral artery disease: rubidium-82 positron emission tomography and histological correlation. European Heart Journal - Cardiovascular Imaging 2024, 25: jeae142.087. DOI: 10.1093/ehjci/jeae142.087.Peer-Reviewed Original ResearchPeripheral arterial diseaseStandardized uptake valueHindlimb ischemia modelReactive hyperemiaSkeletal muscle perfusionPerfusion reserveCapillary densityPET imagingArtery diseaseNon-ischemicRubidium-82 positron emission tomographyType 2 muscle fibersRelevant pre-clinical modelIndicative of fibrosisManagement of peripheral arterial diseaseCapillary to muscle fiber ratioClinically relevant pre-clinical modelPre-clinical modelsMuscle perfusionFast myosinWeeks post-ligationRb-82 uptakeEvaluate treatment strategiesRabbit hindlimb ischemia modelPositron emission tomographyTAI-GAN: A Temporally and Anatomically Informed Generative Adversarial Network for early-to-late frame conversion in dynamic cardiac PET inter-frame motion correction
Guo X, Shi L, Chen X, Liu Q, Zhou B, Xie H, Liu Y, Palyo R, Miller E, Sinusas A, Staib L, Spottiswoode B, Liu C, Dvornek N. TAI-GAN: A Temporally and Anatomically Informed Generative Adversarial Network for early-to-late frame conversion in dynamic cardiac PET inter-frame motion correction. Medical Image Analysis 2024, 96: 103190. PMID: 38820677, PMCID: PMC11180595, DOI: 10.1016/j.media.2024.103190.Peer-Reviewed Original ResearchGenerative adversarial networkAdversarial networkMotion estimation accuracyInter-frame motionIntensity-based image registration techniqueAll-to-oneSegmentation masksImage registration techniquesOriginal frameTemporal informationDiagnosis accuracyMyocardial blood flowEstimation accuracyFrame conversionPositron emission tomographyNovel methodImage qualityPET datasetsRegistration techniqueNetworkCardiac positron emission tomographyBlood flowDynamic cardiac positron emission tomographyMotion correctionCoronary artery disease
2021
Novel SPECT and PET Tracers and Myocardial Imaging
Melvinsdottir I, Avendaño R, Sinusas A. Novel SPECT and PET Tracers and Myocardial Imaging. 2021, 189-228. DOI: 10.1007/978-3-030-83167-7_11.Peer-Reviewed Original ResearchPositron emission tomographyPET imagingMultimodality cardiovascular imagingSingle photon emissionRisk stratificationPathophysiological changesCardiac functionMyocardial remodelingMyocardial diseaseAutonomic regulationMyocardial imagingEmission tomographyHigh-resolution anatomicalMyocardial flowCardiovascular imagingPET tracersNovel SPECTMolecular changesSPECTPhoton emissionHybrid imaging technologyCell deathVivo detectionMolecular imagingImaging
2019
Radionuclide Imaging
Stacy M, Chou T, Sinusas A. Radionuclide Imaging. 2019, 195-215. DOI: 10.1007/978-3-030-24596-2_11.Peer-Reviewed Original ResearchPeripheral arterial diseasePositron emission tomographyBlood flowEvaluation of PADLower extremity ulcerationsLower extremity arteriesSingle photon emissionCerebral infarctionIschemic strokeArterial diseaseAtherosclerotic diseaseExtremity arteriesCarotid arteryRadionuclide imagingBlood vesselsPhysiological imagingArteryPhoton emissionDiseasePhysiological consequencesTomographyNon-invasive insightImaging approachImagingUlcerationMolecular Imaging Targets in Heart Failure and Left Ventricular Remodeling
Boutagy N, Feher A, Sikanderkhel S, Sinusas A. Molecular Imaging Targets in Heart Failure and Left Ventricular Remodeling. 2019, 405-435. DOI: 10.1002/9781118754467.ch13.ChaptersHeart failureManagement of HFMultimodality cardiovascular imagingMolecular imaging targetsMagnetic resonance imagingPositron emission tomographySingle photon emissionExtracellular matrix depositionCardiac injuryVentricle remodelingVentricular remodelingStandard clinical toolResonance imagingEmission tomographyClinical toolCompensatory mechanismsCardiac perfusionCardiovascular imagingNuclear imaging modalitiesImaging modalitiesImaging targetsPhoton emissionMatrix depositionNoninvasive measurementMolecular imagingMolecular 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
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 recipientsIn 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