2025
Skeletal muscle adiposity, coronary microvascular dysfunction, and adverse cardiovascular outcomes
do A H Souza A, Troschel A, Marquardt J, Hadžić I, Foldyna B, Moura F, Hainer J, Divakaran S, Blankstein R, Dorbala S, Di Carli M, Aerts H, Lu M, Fintelmann F, Taqueti V. Skeletal muscle adiposity, coronary microvascular dysfunction, and adverse cardiovascular outcomes. European Heart Journal 2025, 46: 1112-1123. PMID: 39827905, DOI: 10.1093/eurheartj/ehae827.Peer-Reviewed Original ResearchCoronary microvascular dysfunctionBody mass indexCoronary flow reserveIntermuscular adipose tissueSubcutaneous adipose tissueHeart failureFat infiltrationMarker of coronary microvascular dysfunctionPRESERVED LEFT VENTRICULAR EJECTION FRACTIONCardiovascular outcomesAssociated with coronary microvascular dysfunctionHigher IMATIncreased IMATPresence of coronary microvascular dysfunctionSkeletal muscleFlow reserveIncreased risk of MACEMyocardial infarctionStress positron emission tomographyAssociated with increased MACERisk of heart failureLow coronary flow reserveThoracic vertebra levelVentricular ejection fractionIntermuscular adipose tissue area
2024
Advanced Imaging Modalities in Cardiotoxicity: The Roles of Cardiac CT, MRI, and PET in Cardio-oncology
Arbune A, Khattab M, Henry M, Baldassarre L. Advanced Imaging Modalities in Cardiotoxicity: The Roles of Cardiac CT, MRI, and PET in Cardio-oncology. Current Treatment Options In Cardiovascular Medicine 2024, 27: 5. DOI: 10.1007/s11936-024-01061-3.Peer-Reviewed Original ResearchImmune checkpoint inhibitorsBaseline risk stratificationCardiac computed tomographyCardiac magnetic resonanceAdvanced cardiac imaging modalitiesPositron emission tomographyCardiac imaging modalitiesCoronary artery calciumRisk stratificationCardio-OncologyImaging modalitiesCardiac massEvaluate immune checkpoint inhibitorsImmune checkpoint inhibitor myocarditisImmune checkpoint inhibitor therapyAdvanced cardiac imaging techniquesCardiac positron emission tomographyDiagnosis of cardiotoxicityNoninvasive diagnostic testCardiac imaging techniquesRisk stratification toolCardio-oncology patientsAdvanced imaging modalitiesCoronary flow reserveImaging techniquesLong-term outcomes of ischaemia with no obstructive coronary artery disease (INOCA): a systematic review and meta-analysis
Odanović N, Schwann A, Zhang Z, Kapadia S, Kunnirickal S, Parise H, Tirziu D, Ilic I, Lansky A, Pietras C, Shah S. Long-term outcomes of ischaemia with no obstructive coronary artery disease (INOCA): a systematic review and meta-analysis. Open Heart 2024, 11: e002852. PMID: 39353703, PMCID: PMC11448144, DOI: 10.1136/openhrt-2024-002852.Peer-Reviewed Original ResearchConceptsCoronary Vasomotor Disorders International Study GroupRate of MACEReduced coronary flow reserveCoronary flow reservePrognosis of patientsVasospastic anginaPatient yearsMyocardial infarctionPrimary outcomeIncidence of primary outcomeLong-term prognosis of patientsSystematic reviewMeta-analysisLong-term prognosisInternational Study GroupAdverse cardiovascular eventsLong-term outcomesImaging stress testsMeta-analysis of studiesRandom-effects modelWeb of ScienceINOCACardiovascular eventsFollow-upVasomotor disordersNuclear Cardiology
Zaret B, Wackers F. Nuclear Cardiology. 2024, 3-12. DOI: 10.1093/med/9780190095659.003.0001.Peer-Reviewed Original ResearchEvaluate left ventricular (LV) functionQuantification of coronary blood flowPerfusion imagingRadiation dose reductionPET-FDG studiesStress perfusion imagingEvaluate myocardial perfusionCoronary flow reserveMyocardial perfusion studiesComputed tomography CTCardiac sarcoidosisCoronary blood flowDose reductionMyocardial inflammationSPECT approachAssess prognosisMyocardial stress perfusion imagingStress imagingMyocardial perfusionFlow reservePerfusion studiesCardiac studiesRadionuclide imagingBlood flowAttenuation correctionNuclear Cardiology
Zaret B, Wackers F. Nuclear Cardiology. 2024, 1-1. DOI: 10.1093/med/9780197521434.003.0001.Peer-Reviewed Original ResearchEvaluate left ventricular (LV) functionQuantification of coronary blood flowPerfusion imagingRadiation dose reductionPET-FDG studiesStress perfusion imagingEvaluate myocardial perfusionCoronary flow reserveMyocardial perfusion studiesComputed tomography CTCardiac sarcoidosisCoronary blood flowDose reductionMyocardial inflammationSPECT approachAssess prognosisMyocardial stress perfusion imagingStress imagingMyocardial perfusionFlow reservePerfusion studiesCardiac studiesRadionuclide imagingBlood flowAttenuation correction
2023
Abstract 18949: Bariatric Surgery is Associated With Improved Coronary Microvascular Function and Cardiorespiratory Fitness in Patients With Ischemia and Non-Obstructive Coronary Arteries (INOCA)
de Souza A, Moura F, Divakaran S, Sirianni K, Sheu E, Di Carli M, Redline S, Tavakkoli A, Taqueti V. Abstract 18949: Bariatric Surgery is Associated With Improved Coronary Microvascular Function and Cardiorespiratory Fitness in Patients With Ischemia and Non-Obstructive Coronary Arteries (INOCA). Circulation 2023, 148: a18949-a18949. DOI: 10.1161/circ.148.suppl_1.18949.Peer-Reviewed Original ResearchCoronary flow reservePeripheral arterial tonometryCardiopulmonary exercise testingStress myocardial blood flowCoronary microvascular functionReactive hyperemia indexSevere obesityPeripheral endothelial functionPositron emission tomographyMyocardial blood flowBariatric surgeryEndothelial functionCardiorespiratory fitnessConsecutive patientsMedian ageIncidence of diabetic microvascular complicationsMicrovascular functionPost-surgeryNon-obstructive coronary arteriesImpaired coronary flow reserveMarkers of endothelial functionImpact of bariatric surgeryStress positron emission tomographyMethods Consecutive patientsResults Median ageBody Composition, Coronary Microvascular Dysfunction, and Future Risk of Cardiovascular Events Including Heart Failure
Souza A, Rosenthal M, Moura F, Divakaran S, Osborne M, Hainer J, Dorbala S, Blankstein R, Di Carli M, Taqueti V. Body Composition, Coronary Microvascular Dysfunction, and Future Risk of Cardiovascular Events Including Heart Failure. JACC Cardiovascular Imaging 2023, 17: 179-191. PMID: 37768241, PMCID: PMC10922555, DOI: 10.1016/j.jcmg.2023.07.014.Peer-Reviewed Original ResearchConceptsCoronary microvascular dysfunctionVisceral adipose tissueAssociated with coronary microvascular dysfunctionCoronary flow reserveBody mass indexLow coronary flow reserveSubcutaneous adipose tissueCoronary artery diseaseAdverse eventsPositron emission tomographyObese patientsMicrovascular dysfunctionVisceral adipose tissue cross-sectional areaCardiovascular eventsHeart failurePRESERVED LEFT VENTRICULAR EJECTION FRACTIONAdverse outcomesSkeletal muscleArtery diseaseFlow-limiting coronary artery diseaseBody compositionAssociated with body compositionEvaluation of coronary artery diseaseStress positron emission tomographyEmission tomographyComprehensive Management of ANOCA, Part 1—Definition, Patient Population, and Diagnosis JACC State-of-the-Art Review
Samuels B, Shah S, Widmer R, Kobayashi Y, Miner S, Taqueti V, Jeremias A, Albadri A, Blair J, Kearney K, Wei J, Park K, El-Farra A, Holoshitz N, Janaszek K, Kesarwani M, Lerman A, Prasad M, Quesada O, Reynolds H, Savage M, Smilowitz N, Sutton N, Sweeny J, Toleva O, Henry T, Moses J, Fearon W, Tremmel J, Network M. Comprehensive Management of ANOCA, Part 1—Definition, Patient Population, and Diagnosis JACC State-of-the-Art Review. Journal Of The American College Of Cardiology 2023, 82: 1245-1263. PMID: 37704315, DOI: 10.1016/j.jacc.2023.06.043.Peer-Reviewed Original ResearchConceptsCoronary function testingMyocardial bridgingCoronary angiographyMultiple medical providersNonobstructive coronary arteriesCoronary microvascular dysfunctionDiagnostic coronary angiographyIschemic heart diseaseInvasive coronary angiographyCoronary flow reserveCardiac catheterization laboratoryCoronary abnormalitiesCoronary vasospasmEpicardial spasmMicrocirculatory resistanceEndothelial dysfunctionMicrovascular dysfunctionHemodynamic assessmentProvocative testingCoronary arteryFunction testingPatient populationHeart diseaseJACC StateFlow reserveThe imPAct of Trimetazidine on MicrOcirculation after Stenting for stable coronary artery disease (PATMOS study)
Ilic I, Timcic S, Milosevic M, Boskovic S, Odanovic N, Furtula M, Dobric M, Aleksandric S, Otasevic P. The imPAct of Trimetazidine on MicrOcirculation after Stenting for stable coronary artery disease (PATMOS study). Frontiers In Cardiovascular Medicine 2023, 10: 1112198. PMID: 37456821, PMCID: PMC10348888, DOI: 10.3389/fcvm.2023.1112198.Peer-Reviewed Original ResearchIndex of microcirculatory resistanceIndex of microcirculatory resistance valuesPercutaneous coronary interventionFractional flow reserveCoronary flow reserveElective percutaneous coronary interventionFractional flow reserve valuesEffect of trimetazidineStandard therapyPrior to elective percutaneous coronary interventionTrimetazidine groupMicrocirculatory resistanceFlow reserveCompared to standard therapyStable coronary artery diseaseProtective effect of trimetazidineEpicardial coronary artery stenosisCoronary artery diseaseCoronary artery lesionsNative coronary artery lesionsCoronary artery stenosisImpact of trimetazidinePromotes glucose oxidationReduced myocardial injuryRisk profile
2021
Mild cognitive impairment in middle-aged adults with coronary microvascular dysfunction
Nowroozpoor A, Sharp E, Gordon R, Malicki C, Hwang U, Dziura J, D'Onofrio' G, Safdar B. Mild cognitive impairment in middle-aged adults with coronary microvascular dysfunction. European Heart Journal 2021, 42: ehab724.2744. DOI: 10.1093/eurheartj/ehab724.2744.Peer-Reviewed Original ResearchCoronary microvascular dysfunctionCoronary flow reservePerfusion defectsCognitive impairmentMean ageCMD patientsCardiac positron emission tomography/Chest pain observation unitPositron emission tomography/Coronary artery diseaseSmall vessel diseaseEmission tomography/Montreal Cognitive AssessmentChest discomfortHypertensive urgencyMicrovascular dysfunctionArtery diseaseHeart failureVessel diseaseMyocardial infarctionTomography/Odds ratioFlow reserveNormal groupYears of educationUse of peripheral arterial tonometry in detection of abnormal coronary flow reserve
Gaeta M, Nowroozpoor A, Dziura J, D'Onofrio G, Sinusas AJ, Safdar B. Use of peripheral arterial tonometry in detection of abnormal coronary flow reserve. Microvascular Research 2021, 138: 104223. PMID: 34256085, PMCID: PMC10227886, DOI: 10.1016/j.mvr.2021.104223.Peer-Reviewed Original ResearchConceptsLower coronary flow reserveCoronary flow reserveCoronary microvascular dysfunctionCoronary artery diseaseClinical screening toolPET/CTFlow reserveRubidium-82 positron emission tomography/Large vessel coronary artery diseaseNormal coronary flow reserveTraditional CAD risk factorsVessel coronary artery diseaseAbnormal coronary flow reservePositron emission tomography/Screening toolPeripheral arterial tonometryCAD risk factorsEmission tomography/Presence of calcificationLower RHIHyperemia indexArterial tonometryMicrovascular dysfunctionArtery diseaseAugmentation indexMineralocorticoid Receptor in Smooth Muscle Contributes to Pressure Overload–Induced Heart Failure
Kim S, Biwer L, Moss M, Man J, Aronovitz M, Martin G, Carrillo-Salinas F, Salvador A, Alcaide P, Jaffe I. Mineralocorticoid Receptor in Smooth Muscle Contributes to Pressure Overload–Induced Heart Failure. Circulation Heart Failure 2021, 14: e007279. PMID: 33517669, PMCID: PMC7887087, DOI: 10.1161/circheartfailure.120.007279.Peer-Reviewed Original ResearchConceptsSmooth muscle cellsMR-intact littermatesAdverse cardiac remodelingMineralocorticoid receptorCardiac remodelingSMC-MRAortic constrictionPressure overload-induced heart failureInhibition of MRRole of MRPressure overload-induced hypertrophyCardiac blood supplyHeart failure hospitalizationCardiac capillary densityCoronary flow reserveTransverse aortic constrictionIntracardiac pressure measurementsOverload-induced hypertrophyFibrotic gene expressionFetal gene expressionFailure hospitalizationExercise capacityExercise testingEjection fractionHeart failure
2020
Combination Hydralazine and Isosorbide Dinitrate in Dialysis-Dependent ESRD (HIDE): A Randomized, Placebo-Controlled, Pilot Trial.
Charytan D, Hsu J, Mc Causland F, Waikar S, Ikizler T, Raj D, Landis J, Mehrotra R, Williams M, DiCarli M, Skali H, Kimmel P, Kliger A, Dember L, Himmelfarb J, Anderson A, Hung A, Sharma S, Weiner D. Combination Hydralazine and Isosorbide Dinitrate in Dialysis-Dependent ESRD (HIDE): A Randomized, Placebo-Controlled, Pilot Trial. Kidney360 2020, 1: 1380-1389. PMID: 35372900, PMCID: PMC8815530, DOI: 10.34067/kid.0004342020.Peer-Reviewed Original ResearchConceptsIsosorbide dinitrateCoronary flow reserveAdverse eventsMaintenance HDMitral annular e' velocityDouble-blind pilot trialFlow reserveRecurrent intradialytic hypotensionRandomized to placeboMaximum tolerated doseTissue Doppler echocardiographyParticipants discontinued therapyGastrointestinal side effectsDetect between-group differencesPilot trialIntra-dialytic hypotensionPlacebo-ControlledPositron emission tomographyDose escalationHeart failure mortalityDose reductionStudy medicationTolerated dosePlacebo groupCombination therapyIMPAIRED CORONARY FLOW RESERVE ON 82RUBIDIUM POSITRON EMISSION TOMOGRAPHY IMAGING PREDICTS ADVERSE EVENTS IN PATIENTS WITH AUTOIMMUNE DISEASE
Feher A, Boutagy N, Oikonomou E, Miller E, Sinusas A, Hinchcliff M. IMPAIRED CORONARY FLOW RESERVE ON 82RUBIDIUM POSITRON EMISSION TOMOGRAPHY IMAGING PREDICTS ADVERSE EVENTS IN PATIENTS WITH AUTOIMMUNE DISEASE. Journal Of The American College Of Cardiology 2020, 75: 1726. DOI: 10.1016/s0735-1097(20)32353-6.Peer-Reviewed Original ResearchUtility of discovery approach using proteomics to create a biomarker profile for coronary microvascular dysfunction
Nowroozpoor A, Gutterman D, Safdar B. Utility of discovery approach using proteomics to create a biomarker profile for coronary microvascular dysfunction. Microvascular Research 2020, 129: 103985. PMID: 32007502, PMCID: PMC10291513, DOI: 10.1016/j.mvr.2020.103985.Peer-Reviewed Original ResearchConceptsCoronary microvascular dysfunctionCoronary flow reserveMicrovascular dysfunctionNormal coronary flow reservePositron emission tomography/Beta-blocker useAcute myocardial infarctionEmission tomography/Regional perfusion defectsSerum proteinsBaseline characteristicsCoronary calcificationMyocardial infarctionTomography/Perfusion defectsCMD patientsFlow reserveSerial measurementsBiomarker profilesAdvanced imagingPatientsPotential biomarkersPotential protein biomarkersSerum samplesObservation unit
2019
Coronary Physiology in the Cardiac Catheterization Laboratory
Shah SM, Pfau SE. Coronary Physiology in the Cardiac Catheterization Laboratory. Journal Of Clinical Medicine 2019, 8: 255. PMID: 30781631, PMCID: PMC6406799, DOI: 10.3390/jcm8020255.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsCoronary artery diseaseCoronary flow velocity reserveCoronary flow reserveInstantaneous wave-free ratioCardiac catheterization laboratoryFractional flow reserveArtery diseaseCatheterization laboratoryCoronary angiographyClinical trialsFlow reserveCoronary physiologyEpicardial coronary artery diseaseEvidence-based treatment algorithmAtherosclerotic coronary artery diseaseLarge multi-center clinical trialsAngiographic coronary stenosisCoronary physiology assessmentMulti-center clinical trialDiagnostic coronary angiographyFlow velocity reserveRelevant clinical trialsCoronary artery assessmentGeneral medical practitionersCoronary thermodilutionPET-Based Imaging of Ischemic Heart Disease
Chen K, Miller EJ, Sadeghi MM. PET-Based Imaging of Ischemic Heart Disease. PET Clinics 2019, 14: 211-221. PMID: 30826019, PMCID: PMC6426655, DOI: 10.1016/j.cpet.2018.12.003.Peer-Reviewed Original ResearchMeSH KeywordsComputed Tomography AngiographyCoronary Artery DiseaseCoronary CirculationCost-Benefit AnalysisFractional Flow Reserve, MyocardialHumansMultimodal ImagingMyocardial IschemiaMyocardial Perfusion ImagingPositron-Emission TomographyPrognosisRadiopharmaceuticalsSensitivity and SpecificityTomography, Emission-Computed, Single-PhotonConceptsIschemic heart diseaseHeart diseaseCoronary artery diseaseCardiac nuclear imagingCoronary flow reserveAtherosclerotic plaque vulnerabilityMyocardial blood flowCT myocardial perfusionArtery diseaseIschemic cardiomyopathyMicrovascular diseaseVascular calcificationFlow reserveVascular remodelingMyocardial viabilityPlaque vulnerabilityBlood flowMyocardial perfusionMolecular imaging toolDiseaseNuclear imagingImaging toolPETImagingPrognosis
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 recipientsPrevalence and characteristics of coronary microvascular dysfunction among chest pain patients in the emergency department
Safdar B, D’Onofrio G, Dziura J, Russell RR, Johnson C, Sinusas AJ. Prevalence and characteristics of coronary microvascular dysfunction among chest pain patients in the emergency department. European Heart Journal Acute Cardiovascular Care 2018, 9: 5-13. PMID: 29543037, DOI: 10.1177/2048872618764418.Peer-Reviewed Original ResearchConceptsCoronary microvascular dysfunctionCoronary artery diseaseCardiac positron emission tomography/Positron emission tomography/Chest pain patientsArtery diseaseAcute myocardial infarctionEmission tomography/Chest painMyocardial infarctionMicrovascular dysfunctionPain patientsEmergency departmentTomography/General emergency department populationLower coronary flow reserveNon-obstructive coronary arteriesPrior emergency department visitsTraditional cardiac risk factorsCardiac risk factorsModerate-risk patientsEmergency department visitsEmergency department patientsCoronary flow reserveEmergency department population
2017
Ranolazine and Microvascular Angina by PET in the Emergency Department: Results From a Pilot Randomized Controlled Trial
Safdar B, D’Onofrio G, Dziura J, Russell RR, Johnson C, Sinusas AJ. Ranolazine and Microvascular Angina by PET in the Emergency Department: Results From a Pilot Randomized Controlled Trial. Clinical Therapeutics 2017, 39: 55-63. PMID: 28081848, PMCID: PMC10345862, DOI: 10.1016/j.clinthera.2016.12.002.Peer-Reviewed Original ResearchConceptsCoronary microvascular dysfunctionCoronary flow reserveCoronary artery diseaseChest painSymptomatic patientsArtery diseasePrimary outcomeEmergency departmentNonobstructive coronary artery diseaseRb-82 positron emission tomographyEffect of ranolazineRate-pressure productEmergency department patientsQTc-prolonging drugsRobust clinical trialsPositron emission tomographyHypertensive urgencyMicrovascular anginaMicrovascular dysfunctionUnderdiagnosed causeControlled TrialsDepartment patientsHeart failureAcute symptomsPressure product
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