2024
Noise-aware dynamic image denoising and positron range correction for Rubidium-82 cardiac PET imaging via self-supervision
Xie H, Guo L, Velo A, Liu Z, Liu Q, Guo X, Zhou B, Chen X, Tsai Y, Miao T, Xia M, Liu Y, Armstrong I, Wang G, Carson R, Sinusas A, Liu C. Noise-aware dynamic image denoising and positron range correction for Rubidium-82 cardiac PET imaging via self-supervision. Medical Image Analysis 2024, 100: 103391. PMID: 39579623, DOI: 10.1016/j.media.2024.103391.Peer-Reviewed Original ResearchImage denoisingPositron range correctionDynamic framesSelf-supervised methodsSuperior visual qualityLow signal-to-noise ratioCardiac PET imagingDenoising methodSignal-to-noise ratioSelf-supervisionVisual qualityHigh-energy positronsRange correctionsDenoisingNoise levelImage spatial resolutionImage qualityDefect contrastPET imagingImage quantificationRadioactive isotopesPatient scansQuantitative accuracyImagesFrameNew Horizons in Nuclear Cardiology: Imaging of Peripheral Arterial Disease
Callegari S, Mena-Hurtado C, Smolderen K, Thorn S, Sinusas A. New Horizons in Nuclear Cardiology: Imaging of Peripheral Arterial Disease. Journal Of Nuclear Cardiology 2024, 102079. PMID: 39549830, DOI: 10.1016/j.nuclcard.2024.102079.Peer-Reviewed Original ResearchPeripheral arterial diseaseDiagnostic modalitiesRisk stratificationArtery diseaseEarly diagnosisImprove risk stratificationAssociated with higher ratesLower extremity peripheral arterial diseaseEvaluation of therapyClinically relevant areasPreclinical modelsObstructive atherosclerotic diseaseClinical studiesArtery stenosisMicrovascular diseasePreprocedural assessmentPeripheral vasculaturePET imagingAtherosclerotic diseaseNuclear cardiologyTherapeutic interventionsClinical diseaseDiseaseComplex physiologyPerfusionComparative 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 tomography
2023
The Potential Role of PET in the Management of Peripheral Artery Disease
Alashi A, Vermillion B, Sinusas A. The Potential Role of PET in the Management of Peripheral Artery Disease. Current Cardiology Reports 2023, 25: 831-839. PMID: 37314651, PMCID: PMC11542486, DOI: 10.1007/s11886-023-01904-8.Peer-Reviewed Original ResearchConceptsPeripheral artery diseaseArtery diseaseLower extremitiesManagement of PADSetting of PADEarly detectionLarge vessel diseaseManagement of patientsNon-invasive testsPositron emission tomography (PET) imagingEmission Tomography ImagingNon-invasive toolVascular inflammationVessel diseaseMicrovascular perfusionRoutine screeningBlood flowClinical researchPatientsDiseaseTomography imagingPET imagingSkeletal musclePotential roleSummaryThe purpose
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
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