2019
Effect of β-blockers on triggering of symptomatic atrial fibrillation by anger or stress
Lampert R, Burg MM, Jamner LD, Dziura J, Brandt C, Li F, Donovan T, Soufer R. Effect of β-blockers on triggering of symptomatic atrial fibrillation by anger or stress. Heart Rhythm 2019, 16: 1167-1173. PMID: 31171436, PMCID: PMC6759206, DOI: 10.1016/j.hrthm.2019.03.004.Peer-Reviewed Original ResearchConceptsAtrial fibrillationΒ-blockersAF episodesHistory of AFControl periodSymptomatic AF episodesSymptomatic atrial fibrillationΒ-blocker useExclusion of patientsPersistent atrial fibrillationHolter monitoringAF symptomsPatientsPatient exposureCase periodFibrillationMood statesEpisodesEvent monitorDeleterious physiological responsesExposurePhysiological responsesDiary dataSotalol
2013
The Role of Cardiovascular Nuclear Imaging in Clinical Consultation
Meadows J, Soufer R. The Role of Cardiovascular Nuclear Imaging in Clinical Consultation. 2013, 159-180. DOI: 10.1007/978-1-4471-4441-0_13.Peer-Reviewed Original ResearchCoronary artery diseaseArtery diseaseNuclear cardiology techniquesCardiovascular prognosisRevascularization strategyRisk stratificationCardiology testsMyocardial perfusionPerfusion imagingClinical consultationPhysiologic principlesConsultant evaluationCardiovascular Nuclear ImagingNuclear imagingDiseaseImagingPatientsPrognosisPerfusionDiagnosis
2011
Cardiac repolarization instability during psychological stress in patients with ventricular arrhythmias
Abisse SS, Lampert R, Burg M, Soufer R, Shusterman V. Cardiac repolarization instability during psychological stress in patients with ventricular arrhythmias. Journal Of Electrocardiology 2011, 44: 678-683. PMID: 21920534, PMCID: PMC3200452, DOI: 10.1016/j.jelectrocard.2011.07.019.Peer-Reviewed Original ResearchConceptsSubsequent ventricular tachyarrhythmiasVentricular tachyarrhythmiasGroup 2Group 1Life-threatening ventricular tachyarrhythmiasPsychological stressSubsequent arrhythmic eventsAutonomic nervous system activityNervous system activityCardiac repolarization instabilityICD implantationVentricular arrhythmiasArrhythmic eventsQT intervalRepolarization responseCardiac repolarizationHeart ratePatientsT-wave areaPsychological stressorsMental stressRepolarization instabilityCardiac physiologySystem activitySignificant differences
2010
Tendency to Angry Rumination Predicts Stress-Provoked Endothelin-1 Increase in Patients With Coronary Artery Disease
Fernandez AB, Soufer R, Collins D, Soufer A, Ranjbaran H, Burg MM. Tendency to Angry Rumination Predicts Stress-Provoked Endothelin-1 Increase in Patients With Coronary Artery Disease. Psychosomatic Medicine 2010, 72: 348-353. PMID: 20368479, PMCID: PMC2872076, DOI: 10.1097/psy.0b013e3181d71982.Peer-Reviewed Original ResearchConceptsCoronary heart diseaseET-1 increaseET-1Chronic stable coronary heart diseaseStable coronary heart diseaseMultivariate logistic regression modelET-1 elevationAcute coronary syndromeHistory of diabetesRate-pressure productCoronary artery diseaseEndothelin-1 increaseLogistic regression modelsCoronary syndromeArtery diseaseBeta blockersPotential confoundersPressure productHeart diseasePlaque ruptureBlood samplesPatientsAngry ruminationNitric oxideStress protocol
2009
Heart-brain interactions in mental stress-induced myocardial ischemia
Soufer R, Jain H, Yoon AJ. Heart-brain interactions in mental stress-induced myocardial ischemia. Current Cardiology Reports 2009, 11: 133-140. PMID: 19236829, PMCID: PMC3726062, DOI: 10.1007/s11886-009-0020-1.Peer-Reviewed Original ResearchConceptsMental stress ischemiaStress ischemiaMyocardial ischemiaMental stress-induced myocardial ischemiaStress-induced myocardial ischemiaCoronary artery diseaseCentral nervous systemHeart-brain interactionsArtery diseasePoor prognosisAutonomic balancePathophysiologic underpinningsTreatment strategiesNervous systemIschemiaPsychosocial stressBiobehavioral aspectsBiobehavioral modelBiologic consequencesSensory inputBiologic processesBrainEmotional provocationPatientsPrognosisAnger-Induced T-Wave Alternans Predicts Future Ventricular Arrhythmias in Patients With Implantable Cardioverter-Defibrillators
Lampert R, Shusterman V, Burg M, McPherson C, Batsford W, Goldberg A, Soufer R. Anger-Induced T-Wave Alternans Predicts Future Ventricular Arrhythmias in Patients With Implantable Cardioverter-Defibrillators. Journal Of The American College Of Cardiology 2009, 53: 774-778. PMID: 19245968, PMCID: PMC3979284, DOI: 10.1016/j.jacc.2008.10.053.Peer-Reviewed Original ResearchConceptsVentricular tachycardia/ventricular fibrillationFuture ventricular arrhythmiasT-wave alternansVentricular arrhythmiasVentricular fibrillationSpontaneous ventricular tachycardia/ventricular fibrillationHigher TWAImplantable cardioverter defibrillatorEjection fractionHighest quartileTWA testingWide QRSClinical arrhythmiaAmbulatory electrocardiographyLowest quartileFuture arrhythmiasSudden deathCardioverter defibrillatorClinical roleMultivariable regressionPatientsArrhythmiasRepolarization instabilityStress protocolSignificant predictors
2008
Noninvasive Detection of Risk for Emotion Provoked Myocardial Ischemia
Burg MM, Graeber B, Vashist A, Collins D, Earley C, Liu J, Lampert R, Soufer R. Noninvasive Detection of Risk for Emotion Provoked Myocardial Ischemia. Psychosomatic Medicine 2008, 71: 14-20. PMID: 18941131, PMCID: PMC2739989, DOI: 10.1097/psy.0b013e318187c035.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngerAngiotensin-Converting Enzyme InhibitorsBlood PressureCoronary DiseaseEpinephrineFemaleHeart RateHumansImagery, PsychotherapyMaleManometryMiddle AgedMyocardial IschemiaNorepinephrinePlethysmographyPredictive Value of TestsPulsatile FlowRiskSensitivity and SpecificityStress, PsychologicalTomography, Emission-Computed, Single-PhotonVascular ResistanceConceptsPeripheral arterial tonometryCoronary artery diseasePAT ratioMyocardial ischemiaMajor adverse cardiac eventsStable coronary artery diseaseLower PAT ratioMental stress ischemiaAdverse cardiac eventsNew perfusion defectsCT myocardial perfusionSensitivity/specificityStress ischemiaArterial tonometryCardiac eventsArtery diseaseBlood pressureACE inhibitionPerfusion defectsHeart rateMyocardial perfusionPatientsEnzyme inhibitorsClinical settingIschemia
2007
Implantable Cardioverter‐Defibrillator Shocks Increase T‐Wave Alternans
LAMPERT R, SOUFER R, McPHERSON CA, BATSFORD WP, TIRADO S, EARLEY C, GOLDBERG A, SHUSTERMAN V. Implantable Cardioverter‐Defibrillator Shocks Increase T‐Wave Alternans. Journal Of Cardiovascular Electrophysiology 2007, 18: 512-517. PMID: 17428273, DOI: 10.1111/j.1540-8167.2007.00787.x.Peer-Reviewed Original ResearchConceptsRepolarization instabilityQRS duration changesImplantable defibrillator shocksAmbulatory ECG monitoringT-wave alternansNorepinephrine levelsCoronary diseaseICD shocksSympathetic stimulationVentricular arrhythmiasInduced arrhythmiasVentricular arrhythmogenesisDefibrillator shocksQRS durationQT intervalSedated stateAdequate preClinical implicationsDefibrillation therapyECG monitoringRR intervalsHolter dataBaseline statePatientsArrhythmias
2005
Effects of Psychologic Stress on Repolarization and Relationship to Autonomic and Hemodynamic Factors
LAMPERT R, SHUSTERMAN V, BURG MM, LEE FA, EARLEY C, GOLDBERG A, MCPHERSON CA, BATSFORD WP, SOUFER R. Effects of Psychologic Stress on Repolarization and Relationship to Autonomic and Hemodynamic Factors. Journal Of Cardiovascular Electrophysiology 2005, 16: 372-377. PMID: 15828878, DOI: 10.1046/j.1540-8167.2005.40580.x.Peer-Reviewed Original ResearchConceptsT-wave alternansMental stressVentricular arrhythmiasPsychological stressAmbulatory ECG monitoringT-wave amplitudePathophysiologic linkSusceptible patientsSystolic BPRepolarization indicesAlters indicesPsychologic stressRepolarization changesSudden deathPatientsHemodynamic factorsT-wave areaStress protocolECG monitoringArrhythmiasPhysiologic pathwaysRepolarizationMyocardial heterogeneityICDHr
2004
Differential impact of parasympathetic withdrawal to mental stress ischemia as assessed by noninvasive evaluation of myocardial perfusion and/or function
Vashist A, Arrighi J, Lampert R, Burg M, Soufer R. Differential impact of parasympathetic withdrawal to mental stress ischemia as assessed by noninvasive evaluation of myocardial perfusion and/or function. Journal Of Nuclear Cardiology 2004, 11: s21. DOI: 10.1016/j.nuclcard.2004.06.068.Peer-Reviewed Original ResearchChronic coronary artery diseaseRegional LV dysfunctionMyocardial ischemiaParasympathetic withdrawalLV dysfunctionChronic chronic coronary artery diseaseMental stress ischemiaRate-pressure productCoronary artery diseaseGreater parasympathetic withdrawalHigh-frequency powerStress ischemiaArtery diseaseNon-invasive imagingMPI defectsSympathovagal balanceIndividual patientsSPECT-MPIIschemiaMyocardial perfusionNoninvasive evaluationPatientsMental arithmetic taskAutonomic responsesSPECT defects
2001
7.44 Simultaneous assessment of myocardial perfusion and function during mental stress in patients with chronic coronary artery disease
Arrighi J, Burg M, Cohen I, Soufer R. 7.44 Simultaneous assessment of myocardial perfusion and function during mental stress in patients with chronic coronary artery disease. Journal Of Nuclear Cardiology 2001, 8: s51. DOI: 10.1016/s1071-3581(01)80621-8.Peer-Reviewed Original Research
2000
Myocardial blood-flow response during mental stress in patients with coronary artery disease
Arrighi J, Burg M, Cohen I, Kao A, Pfau S, Caulin-Glaser T, Zaret B, Soufer R. Myocardial blood-flow response during mental stress in patients with coronary artery disease. The Lancet 2000, 356: 310-311. PMID: 11071190, DOI: 10.1016/s0140-6736(00)02510-1.Peer-Reviewed Original Research
1998
Effect of hyperinsulinemia on myocardial fluorine-18-FDG uptake.
Ng C, Soufer R, McNulty P. Effect of hyperinsulinemia on myocardial fluorine-18-FDG uptake. Journal Of Nuclear Medicine 1998, 39: 379-83. PMID: 9529278.Peer-Reviewed Original ResearchConceptsCoronary sinus blood samplesIschemic heart diseasePrevious myocardial infarctionCoronary sinus catheterizationEffect of insulinLeft anteriorMale patientsMyocardial infarctionHeart diseaseFDG injectionVascular bedBlood samplesAwake statePatientsGlucose uptakeMyocardial kineticsFDGCatheterizationInfarctionDiabetesBolusAnteriorInsulinDisease
1997
Positron Emission Tomography Measurement of Cerebral Metabolic Correlates of Tryptophan Depletion—Induced Depressive Relapse
Bremner JD, Innis RB, Salomon RM, Staib LH, Ng CK, Miller HL, Bronen RA, Krystal JH, Duncan J, Rich D, Price LH, Malison R, Dey H, Soufer R, Charney DS. Positron Emission Tomography Measurement of Cerebral Metabolic Correlates of Tryptophan Depletion—Induced Depressive Relapse. JAMA Psychiatry 1997, 54: 364-374. PMID: 9107153, DOI: 10.1001/archpsyc.1997.01830160092012.Peer-Reviewed Original ResearchConceptsCerebral metabolic correlatesDepressive relapseBrain metabolismMajor depressionMiddle frontal gyrusOrbitofrontal cortexTryptophan depletionMetabolic correlatesPositron emission tomography scanningFrontal gyrusRelapse-prone patientsPathogenesis of depressionPositron emission tomography (PET) measurementsSerotonin reuptake inhibitorsSymptoms of patientsPositron emission tomographySingle photon emissionSpecific brain regionsDorsolateral prefrontal cortexReuptake inhibitorsPlasma tryptophanLimbic regionsCaudate nucleusDepressive symptomsPatientsPositron Emission Tomography Measurement of Cerebral Metabolic Correlates of Yohimbine Administration in Combat-Related Posttraumatic Stress Disorder
Bremner JD, Innis RB, Ng CK, Staib LH, Salomon RM, Bronen RA, Duncan J, Southwick SM, Krystal JH, Rich D, Zubal G, Dey H, Soufer R, Charney DS. Positron Emission Tomography Measurement of Cerebral Metabolic Correlates of Yohimbine Administration in Combat-Related Posttraumatic Stress Disorder. JAMA Psychiatry 1997, 54: 246-254. PMID: 9075465, DOI: 10.1001/archpsyc.1997.01830150070011.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderAdministration of yohimbineNorepinephrine releaseHealthy subjectsHealthy age-matched control subjectsAge-matched control subjectsStress disorderDouble-blind fashionPositron emission tomography (PET) measurementsBrain metabolic responsesCerebral metabolic correlatesBrain norepinephrine releaseSymptoms of anxietyPositron emission tomographyBrain metabolismControl subjectsYohimbine administrationPreclinical studiesMetabolic correlatesCaudate nucleusPatientsYohimbineVietnam combat veteransEmission tomographyOrbitofrontal cortex
1996
Resting Tc-99m sestamibi SPECT underestimates myocardial viability in patients with severe ischemic left ventricular dysfunction: Comparison with ammonia/FDG PET
Arrighi J, Ng C, Dey H, Wackers F, Soufer R. Resting Tc-99m sestamibi SPECT underestimates myocardial viability in patients with severe ischemic left ventricular dysfunction: Comparison with ammonia/FDG PET. Journal Of The American College Of Cardiology 1996, 27: 162. DOI: 10.1016/s0735-1097(96)80876-x.Peer-Reviewed Original Research
1995
Comparison of sestamibi single-photon emission computed tomography with positron emission tomography for estimating left ventricular myocarclial viability
Soufer R, Dey H, Ng C, Zaret B. Comparison of sestamibi single-photon emission computed tomography with positron emission tomography for estimating left ventricular myocarclial viability. The American Journal Of Cardiology 1995, 75: 1214-1219. PMID: 7778542, DOI: 10.1016/s0002-9149(99)80765-6.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedCoronary DiseaseDeoxyglucoseFluorine RadioisotopesFluorodeoxyglucose F18HumansMaleMiddle AgedMyocardial ContractionRadionuclide VentriculographyStroke VolumeTechnetium Tc 99m SestamibiTomography, Emission-ComputedTomography, Emission-Computed, Single-PhotonVentricular Function, LeftConceptsPositron emission tomographySestamibi single-photon emissionSingle photon emissionCoronary artery diseaseMyocardial viabilityInferior wallArtery diseaseEmission tomographyFDG positron emission tomographySubset of patientsRegional ejection fractionDiscordant segmentsNonviable segmentsEjection fractionMethoxyisobutyl isonitrileRadionuclide ventriculographySestamibi protocolBlood flowMyocardial segmentsPatientsViable segmentsFluorodeoxyglucoseMIBITomographyDisease
1991
Thallium-201 for assessment of myocardial viability: Quantitative comparison of 24-hour redistribution imaging with imaging after reinjection at rest
Kayden D, Sigal S, Soufer R, Mattera J, Zaret B, Wackers F. Thallium-201 for assessment of myocardial viability: Quantitative comparison of 24-hour redistribution imaging with imaging after reinjection at rest. Journal Of The American College Of Cardiology 1991, 18: 1480-1486. PMID: 1939949, DOI: 10.1016/0735-1097(91)90678-3.Peer-Reviewed Original ResearchConceptsInjection of thalliumRedistribution imagesDefect reversibilityThallium-201 reinjectionThallium-201 defectsLate redistribution imagingPoor quality studiesDiagnostic informationClinical variablesRedistribution imagingThallium defectsThallium imagesMyocardial viabilityReversible defectsStress imagingThallium-201PatientsBetter diagnostic informationStress testingExercisePresent studyQuality studiesInjectionLate redistributionReinjectionSilent left ventricular dysfunction during routine structured interview and induced mental stress in stable coronary patients: Impact of type a behavior
Jain D, Burg M, Soufer R, Kerns R, Zaret B. Silent left ventricular dysfunction during routine structured interview and induced mental stress in stable coronary patients: Impact of type a behavior. Journal Of The American College Of Cardiology 1991, 17: a90. DOI: 10.1016/0735-1097(91)91326-a.Peer-Reviewed Original ResearchRadionuclide Evaluation of Ventricular Performance in Congestive Heart Failure: An Overview
Zaret B, Soufer R. Radionuclide Evaluation of Ventricular Performance in Congestive Heart Failure: An Overview. 1991, 89-98. DOI: 10.1007/978-3-642-58231-8_10.Peer-Reviewed Original Research