2021
Psychological factors and cardiac repolarization instability during anger in implantable cardioverter defibrillator patients
Krantz DS, Harris KM, Rogers HL, Whittaker KS, Haigney MCP, Kop WJ. Psychological factors and cardiac repolarization instability during anger in implantable cardioverter defibrillator patients. Annals Of Noninvasive Electrocardiology 2021, 26: e12848. PMID: 33813750, PMCID: PMC8293621, DOI: 10.1111/anec.12848.Peer-Reviewed Original ResearchConceptsQT variability indexCoronary artery diseaseCardiac repolarization instabilityICD patientsAnger recallArrhythmic vulnerabilityRepolarization instabilityRepolarization labilityHighest QT variability indexImplantable cardioverter defibrillator patientsCardiac repolarization labilitySudden cardiac deathCardioverter-defibrillator patientsImplantable cardioverter defibrillatorArtery diseaseCardiac deathICD groupMalignant arrhythmiasDefibrillator patientsHealthy controlsContinuous ECGCardioverter defibrillatorPatientsSelf-rated angerAcute anger
2020
Impact of Mental Stress and Anger on Indices of Diastolic Function in Patients With Heart Failure
Harris KM, Gottdiener JS, Gottlieb SS, Burg MM, Li S, Krantz DS. Impact of Mental Stress and Anger on Indices of Diastolic Function in Patients With Heart Failure. Journal Of Cardiac Failure 2020, 26: 1006-1010. PMID: 32750485, PMCID: PMC7704726, DOI: 10.1016/j.cardfail.2020.07.008.Peer-Reviewed Original ResearchConceptsLV diastolic pressureReduced ejection fractionHeart failureDiastolic functionDiastolic pressureMental stressEjection fractionBaseline E/eTwo-dimensional Doppler echocardiographyEarly LV relaxationAge-adjusted linear regressionLong-term outcomesStress-induced increaseAcute worseningDoppler echocardiographyIschemic cardiomyopathyLV relaxationVentricular functionAnger recallPatientsMental arithmetic taskStress protocolDaily assessmentStress exposureAverage baseline