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 differencesAutonomic Contribution to Endothelin-1 Increase during Laboratory Anger-Recall Stress in Patients with Coronary Artery Disease
Burg MM, Soufer A, Lampert R, Collins D, Soufer R. Autonomic Contribution to Endothelin-1 Increase during Laboratory Anger-Recall Stress in Patients with Coronary Artery Disease. Molecular Medicine 2011, 17: 495-501. PMID: 21267513, PMCID: PMC3105151, DOI: 10.2119/molmed.2010.00083.Peer-Reviewed Original ResearchConceptsCoronary artery diseaseEndothelin-1Parasympathetic activityArtery diseaseAutonomic contributionsChronic stable coronary artery diseaseStable coronary artery diseaseCholinergic antiinflammatory pathwayLaboratory stressCoronary plaque ruptureEndothelin-1 increaseSignificant odds ratioEndothelial cell functionCardiac eventsEndothelial dysfunctionIndwelling catheterAutonomic factorsSympathetic activityAntiinflammatory pathwayAutonomic influencesAutonomic toneOdds ratioPlaque ruptureParasympathetic withdrawalHemodynamic monitor
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