2022
Quantification of intramyocardial blood volume using 99mTc-RBC SPECT/CT: a pilot human study
Yousefi H, Shi L, Soufer A, Tsatkin V, Bruni W, Avendano R, Greco K, McMahon D, Thorn S, Miller E, Sinusas A, Liu C. Quantification of intramyocardial blood volume using 99mTc-RBC SPECT/CT: a pilot human study. Journal Of Nuclear Cardiology 2022, 30: 292-297. PMID: 36319815, DOI: 10.1007/s12350-022-03123-0.Peer-Reviewed Original ResearchAnimalsBlood VolumeErythrocytesHumansMicrocirculationPilot ProjectsSingle Photon Emission Computed Tomography Computed TomographyTomography, Emission-Computed, Single-PhotonMatrix Metalloproteinase-Targeted SPECT/CT Imaging for Evaluation of Therapeutic Hydrogels for the Early Modulation of Post-Infarct Myocardial Remodeling
Thorn SL, Shuman JA, Stacy MR, Purcell BP, Doviak H, Burdick JA, Spinale FG, Sinusas AJ. Matrix Metalloproteinase-Targeted SPECT/CT Imaging for Evaluation of Therapeutic Hydrogels for the Early Modulation of Post-Infarct Myocardial Remodeling. Journal Of Cardiovascular Translational Research 2022, 16: 155-165. PMID: 35697979, PMCID: PMC10836411, DOI: 10.1007/s12265-022-10280-7.Peer-Reviewed Original ResearchAnimalsHydrogelsMatrix MetalloproteinasesMyocardial InfarctionMyocardiumSwineTomography, Emission-Computed, Single-PhotonTomography, X-Ray ComputedVentricular RemodelingIncreasing angular sampling through deep learning for stationary cardiac SPECT image reconstruction
Xie H, Thorn S, Chen X, Zhou B, Liu H, Liu Z, Lee S, Wang G, Liu YH, Sinusas AJ, Liu C. Increasing angular sampling through deep learning for stationary cardiac SPECT image reconstruction. Journal Of Nuclear Cardiology 2022, 30: 86-100. PMID: 35508796, DOI: 10.1007/s12350-022-02972-z.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsDeep LearningHumansImage Processing, Computer-AssistedPhantoms, ImagingSwineTomography, Emission-Computed, Single-PhotonTomography, X-Ray ComputedConceptsDeep learningReconstruction qualityImage reconstructionDeep learning methodsDeep neural networksDeep learning resultsImage qualityNetwork trainingSPECT image reconstructionNeural networkLearning methodsHigh image resolutionImage volumesClinical softwareImage metricsImage resolutionReconstruction resultsImproved image qualityTesting dataLearning resultsNetwork resultsPhysical phantomStationary imagingDifferent subjectsLearning
2020
Imaging of Injectable Hydrogels Delivered into Myocardium with SPECT/CT
Uman S, Wang LL, Thorn SL, Liu Z, Duncan JS, Sinusas AJ, Burdick JA. Imaging of Injectable Hydrogels Delivered into Myocardium with SPECT/CT. Advanced Healthcare Materials 2020, 9: e2000294. PMID: 32543053, PMCID: PMC7482444, DOI: 10.1002/adhm.202000294.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsHyaluronic AcidHydrogelsMyocardiumSwineTomography, Emission-Computed, Single-PhotonTomography, X-Ray ComputedConceptsInjectable hydrogelsMyocardial infarctionSelf-healing hydrogelsHydrogel mechanical propertiesHybrid single-photon emissionHybrid SPECT/CT imagingMechanical propertiesTomography perfusion imagingAcute porcine modelSPECT/CT imagingSPECT/CTSingle photon emissionInjection forceHyaluronic acid hydrogelsPattern of deliveryTomography/HydrogelsPerfusion defectsPerfusion imagingExcellent radiopacityPorcine modelAcid hydrogelsCT imagingHydrogel deliveryHydrogel injection
2019
Direct List Mode Parametric Reconstruction for Dynamic Cardiac SPECT
Shi L, Lu Y, Wu J, Gallezot JD, Boutagy N, Thorn S, Sinusas AJ, Carson RE, Liu C. Direct List Mode Parametric Reconstruction for Dynamic Cardiac SPECT. IEEE Transactions On Medical Imaging 2019, 39: 119-128. PMID: 31180845, PMCID: PMC7030971, DOI: 10.1109/tmi.2019.2921969.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsAnimalsCardiac Imaging TechniquesComputer SimulationDogsHeartImage Processing, Computer-AssistedPhantoms, ImagingTomography, Emission-Computed, Single-PhotonConceptsAppropriate kinetic modelConventional indirect methodImage reconstruction algorithmKinetic modelHigh noise levelsLow count levelsVivo canine studyIndirect methodImage noiseNoise levelParametric reconstructionNoiseReconstruction algorithmFrame imagePatient radiation dose reductionMethodDirect methodLower image noise
2018
Simplified Quantification and Acquisition Protocol for 123I-MIBG Dynamic SPECT
Wu J, Gallezot JD, Lu Y, Ye Q, Liu H, Esserman DA, Kyriakides TC, Thorn S, Zonouz TH, Liu YH, Lampert R, Sinusas AJ, Carson RE, Liu C. Simplified Quantification and Acquisition Protocol for 123I-MIBG Dynamic SPECT. Journal Of Nuclear Medicine 2018, 59: 1574-1580. PMID: 29476001, DOI: 10.2967/jnumed.117.202143.Peer-Reviewed Original Research3-IodobenzylguanidineFemaleHealthy VolunteersHumansImage Processing, Computer-AssistedKineticsMaleMiddle AgedTomography, Emission-Computed, Single-Photon
2016
Quantitative Analysis of Dynamic 123I-mIBG SPECT Imaging Data in Healthy Humans with a Population-Based Metabolite Correction Method
Wu J, Lin SF, Gallezot JD, Chan C, Prasad R, Thorn S, Stacy MR, Huang Y, Zonouz TH, Liu YH, Lampert RJ, Carson RE, Sinusas AJ, Liu C. Quantitative Analysis of Dynamic 123I-mIBG SPECT Imaging Data in Healthy Humans with a Population-Based Metabolite Correction Method. Journal Of Nuclear Medicine 2016, 57: 1226-1232. PMID: 27081169, DOI: 10.2967/jnumed.115.171710.Peer-Reviewed Original Research3-IodobenzylguanidineAdultAgedAlgorithmsArtifactsComputer SimulationFemaleHeartHumansImage EnhancementImage Interpretation, Computer-AssistedMaleMiddle AgedModels, CardiovascularModels, StatisticalMyocardiumRadiopharmaceuticalsReproducibility of ResultsSensitivity and SpecificityTissue DistributionTomography, Emission-Computed, Single-Photon
2015
Scatter and crosstalk corrections for 99mTc/123I dual‐radionuclide imaging using a CZT SPECT system with pinhole collimators
Fan P, Hutton BF, Holstensson M, Ljungberg M, Pretorius P, Prasad R, Ma T, Liu Y, Wang S, Thorn SL, Stacy MR, Sinusas AJ, Liu C. Scatter and crosstalk corrections for 99mTc/123I dual‐radionuclide imaging using a CZT SPECT system with pinhole collimators. Medical Physics 2015, 42: 6895-6911. PMID: 26632046, DOI: 10.1118/1.4934830.Peer-Reviewed Original ResearchMeSH KeywordsCadmiumComputer SimulationHeartHumansIodine RadioisotopesLikelihood FunctionsModels, BiologicalMonte Carlo MethodPhantoms, ImagingPhotonsRadiopharmaceuticalsScattering, RadiationTechnetiumTelluriumTomography, Emission-Computed, Single-PhotonTomography, X-Ray ComputedZincConceptsDual-radionuclide imagingCrosstalk correction methodTEW methodLine source experimentDefect contrastSource experimentsMonte Carlo simulationsIncomplete charge collectionCadmium zinc telluride detectorsLow-energy tailImaging systemCarlo simulationsPinhole collimatorCardiac SPECT systemEnergy tailDetector effectsEnergy spectrumPoint source measurementsSPECT systemCZT detectorsTriple energy window (TEW) methodScatter modelDedicated cardiac SPECT systemsCorrection methodCrosstalk correction