2020
Anger recall mental stress decreases 123I-metaiodobenzylguanidine (123I-MIBG) uptake and increases heterogeneity of cardiac sympathetic activity in the myocardium in patients with ischemic cardiomyopathy
Avendaño R, Hashemi-Zonouz T, Sandoval V, Liu C, Burg M, Sinusas AJ, Lampert R, Liu YH. Anger recall mental stress decreases 123I-metaiodobenzylguanidine (123I-MIBG) uptake and increases heterogeneity of cardiac sympathetic activity in the myocardium in patients with ischemic cardiomyopathy. Journal Of Nuclear Cardiology 2020, 29: 798-809. PMID: 33034036, DOI: 10.1007/s12350-020-02372-1.Peer-Reviewed Original ResearchConceptsSympathetic activityIschemic cardiomyopathyVentricular arrhythmiasICM patientsMental stressAge-matched healthy male controlsCardiac sympathetic activityHealthy control subjectsMyocardial sympathetic activityHealthy male controlsMental stress taskSPECT/CTMediastinal ratioControl subjectsHemodynamic responseAnger recallMyocardial perfusionNormal subjectsMale controlsPatientsPerfusionPsychological stressorsArrhythmiasStress taskDual-isotope imaging
2017
A blind deconvolution method incorporated with anatomical‐based filtering for partial volume correction: Validations with 123I‐mIBG cardiac SPECT/CT
Wu J, Liu H, Zonouz T, Sandoval VM, Mohy‐ud‐Din H, Lampert RJ, Sinusas AJ, Liu C, Liu Y. A blind deconvolution method incorporated with anatomical‐based filtering for partial volume correction: Validations with 123I‐mIBG cardiac SPECT/CT. Medical Physics 2017, 44: 6435-6446. PMID: 28994458, DOI: 10.1002/mp.12622.Peer-Reviewed Original ResearchQuantification and Determination of Normal 123I-Meta Iodobenzylguanidine Heart-to-Mediastinum Ratio (HMR) from Cardiac SPECT/CT and Correlation with Planar HMR
Alvi R, Miller EJ, Zonouz TH, Sandoval V, Tariq N, Lampert R, Sinusas AJ, Liu YH. Quantification and Determination of Normal 123I-Meta Iodobenzylguanidine Heart-to-Mediastinum Ratio (HMR) from Cardiac SPECT/CT and Correlation with Planar HMR. Journal Of Nuclear Medicine 2017, 59: 652-658. PMID: 28916622, DOI: 10.2967/jnumed.117.197152.Peer-Reviewed Original Research
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
2013
New Approach to Quantification of Molecularly Targeted Radiotracer Uptake from Hybrid Cardiac SPECT/CT: Methodology and Validation
Li S, Sinusas AJ, Dobrucki LW, Liu YH. New Approach to Quantification of Molecularly Targeted Radiotracer Uptake from Hybrid Cardiac SPECT/CT: Methodology and Validation. Journal Of Nuclear Medicine 2013, 54: 2175-2181. PMID: 24221992, DOI: 10.2967/jnumed.113.123208.Peer-Reviewed Original Research
2012
Left Ventricular Ejection Fraction and Left Ventricular End‐Diastolic Volume in Patients With Diastolic Dysfunction
Jovin IS, Ebisu K, Liu Y, Finta LA, Oprea AD, Brandt CA, Dziura J, Wackers FJ. Left Ventricular Ejection Fraction and Left Ventricular End‐Diastolic Volume in Patients With Diastolic Dysfunction. Congestive Heart Failure 2012, 19: 130-134. PMID: 23241105, DOI: 10.1111/chf.12013.Peer-Reviewed Original ResearchConceptsLVEF of patientsLeft ventricular ejection fractionLower peak filling ratePeak filling rateEnd-diastolic volumeNormal peak filling ratesEquilibrium radionuclide angiocardiographyVentricular ejection fractionDiastolic dysfunctionAsymptomatic patientsEjection fractionLow left ventricular ejection fractionNormal left ventricular ejection fractionVentricular end-diastolic volumeMild systolic dysfunctionNormal systolic functionEDV indexSystolic dysfunctionSystolic functionRadionuclide angiocardiographyPatientsDysfunctionRepeat scansFilling rateAngiocardiography
2011
Accuracy and Reproducibility of Absolute Quantification of Myocardial Focal Tracer Uptake from Molecularly Targeted SPECT/CT: A Canine Validation
Liu YH, Sahul Z, Weyman CA, Dione DP, Dobrucki WL, Mekkaoui C, Brennan MP, Ryder WJ, Sinusas AJ. Accuracy and Reproducibility of Absolute Quantification of Myocardial Focal Tracer Uptake from Molecularly Targeted SPECT/CT: A Canine Validation. Journal Of Nuclear Medicine 2011, 52: 453-460. PMID: 21321271, PMCID: PMC3137905, DOI: 10.2967/jnumed.110.082214.Peer-Reviewed Original ResearchAnimalsDogsFemaleHeartImage Interpretation, Computer-AssistedMaleMetabolic Clearance RateMolecular ImagingMyocardial Perfusion ImagingMyocardiumRadiopharmaceuticalsReproducibility of ResultsSensitivity and SpecificitySubtraction TechniqueTissue DistributionTomography, Emission-Computed, Single-PhotonTomography, X-Ray Computed
2005
A New Method for SPECT Quantification of Targeted Radiotracers Uptake in the Myocardium
Li S, Dobrucki LW, Sinusas AJ, Liu YH. A New Method for SPECT Quantification of Targeted Radiotracers Uptake in the Myocardium. Lecture Notes In Computer Science 2005, 8: 684-691. PMID: 16686019, DOI: 10.1007/11566489_84.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsDrug Delivery SystemsHeartImage Interpretation, Computer-AssistedMyocardiumNeovascularization, PathologicRadioisotopesRadiopharmaceuticalsRatsReperfusion InjuryReproducibility of ResultsSensitivity and SpecificityTomography, Emission-Computed, Single-PhotonVentricular Dysfunction, Left
1999
Quantification of SPECT myocardial perfusion images: Methodology and validation of the Yale-CQ method
Liu Y, Sinusas A, DeMan P, Zaret B, Wackers F. Quantification of SPECT myocardial perfusion images: Methodology and validation of the Yale-CQ method. Journal Of Nuclear Cardiology 1999, 6: 190-203. PMID: 10327104, DOI: 10.1016/s1071-3581(99)90080-6.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