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 correlationLinks Between Obstructive Sleep Apnea and Myocardial Blood Flow Changes Impacting Adverse Cardiovascular Disease-related Outcomes
Aneni E, Sinusas A, Emokpae M, Thorn S, Yaggi H, Miller E. Links Between Obstructive Sleep Apnea and Myocardial Blood Flow Changes Impacting Adverse Cardiovascular Disease-related Outcomes. Current Cardiology Reports 2024, 26: 723-734. PMID: 38806976, DOI: 10.1007/s11886-024-02072-z.Peer-Reviewed Original ResearchObstructive sleep apneaCoronary microvascular dysfunctionAbnormal myocardial blood flowSevere obstructive sleep apneaMyocardial flow reserveMyocardial blood flowSleep apneaModerate to severe obstructive sleep apneaAbnormal myocardial flow reserveRecent FindingsRecent studiesDisease-related outcomesBlood flow changesMyocardial blood flow changesCardiovascular disease-related outcomesMicrovascular dysfunctionClinical impactCPAPReviewRecent studiesStructural abnormalitiesCoronary microcirculationFindingsRecent studiesFlow reserveCardiac workBlood flowApneaTAI-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
2023
Multiaxial pressure-strain analysis of regional myocardial work in the setting of graded coronary stenoses and dobutamine stress
Stendahl J, Liu Z, Boutagy N, Parajuli N, Lu A, Alkhalil I, Lin B, Duncan J, Sinusas A. Multiaxial pressure-strain analysis of regional myocardial work in the setting of graded coronary stenoses and dobutamine stress. AJP Heart And Circulatory Physiology 2023, 325: h492-h509. PMID: 37417870, PMCID: PMC10538990, DOI: 10.1152/ajpheart.00735.2022.Peer-Reviewed Original ResearchConceptsLow-dose dobutaminePressure-strain loopsCoronary stenosisMyocardial workRegional myocardial workPressure-strain analysisDobutamine stressBlood flowLow-dose dobutamine stressInvasive hemodynamic monitoringMid-left anteriorLow cardiac outputRegional myocardial blood flowCoronary blood flowIschemic heart diseasePresence of ischemiaMyocardial work indexModerate coronary stenosisMyocardial blood flowOpen-chest modelEjection of bloodInotropic supportPressure-strain relationshipHemodynamic monitoringCardiac output
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
2011
82RB POSITRON EMISSION TOMOGRAPHY (PET) MYOCARDIAL BLOOD FLOW (MBF) CORRELATES WITH CORONARY ARTERY INTIMAL THICKNESS MEASURED BY INTRAVASCULAR ULTRASOUND (IVUS) FOLLOWING HEART TRANSPLANTATION
Mohani A, Khanna P, Liu Y, Sinusas A, Lee F. 82RB POSITRON EMISSION TOMOGRAPHY (PET) MYOCARDIAL BLOOD FLOW (MBF) CORRELATES WITH CORONARY ARTERY INTIMAL THICKNESS MEASURED BY INTRAVASCULAR ULTRASOUND (IVUS) FOLLOWING HEART TRANSPLANTATION. Journal Of The American College Of Cardiology 2011, 57: e848. DOI: 10.1016/s0735-1097(11)60848-6.Peer-Reviewed Original Research
1996
Quantification of technetium 99m-labeled sestamibi single-photon emission computed tomography based on mean counts improves accuracy for assessment of relative regional myocardial blood flow: Experimental validation in a canine model
Liu Y, Sinusas A, Shi C, Shen M, Dione D, Heller E, Wackers F. Quantification of technetium 99m-labeled sestamibi single-photon emission computed tomography based on mean counts improves accuracy for assessment of relative regional myocardial blood flow: Experimental validation in a canine model. Journal Of Nuclear Cardiology 1996, 3: 312-320. PMID: 8799250, DOI: 10.1016/s1071-3581(96)90091-4.Peer-Reviewed Original ResearchConceptsMyocardial blood flowRelative blood flowRelative myocardial blood flowRegional myocardial blood flowCoronary artery occlusionBlood flowSingle photon emissionArtery occlusionCanine modelShort-axis slicesEx vivoSestamibi single-photon emissionMyocardial countsFlow deficitsMyocardial count densityNormal blood flowMean countsRegional myocardial perfusionCount profilesMIBI uptakeMIBI SPECTSestamibi SPECTMyocardial perfusionCircumferential count profilesRelative regional myocardial blood flow