2001
Left ventricular inotropic reserve and right ventricular function predict increase of left ventricular ejection fraction after beta-blocker therapy in nonischemic cardiomyopathy
Ramahi T, Longo M, Cadariu A, Rohlfs K, Carolan S, Engle K, Samady H, Wackers F. Left ventricular inotropic reserve and right ventricular function predict increase of left ventricular ejection fraction after beta-blocker therapy in nonischemic cardiomyopathy. Journal Of The American College Of Cardiology 2001, 37: 818-824. PMID: 11693757, DOI: 10.1016/s0735-1097(00)01162-1.Peer-Reviewed Original ResearchConceptsLeft ventricular ejection fractionRight ventricular ejection fractionBeta-blocker therapyVentricular ejection fractionVentricular inotropic reserveNonischemic cardiomyopathyEjection fractionInotropic reserveDobutamine infusionLong-term beta-blocker therapyNormal right ventricular ejection fractionImprovement of LVEFBeta-blocker doseRight ventricular functionSystolic blood pressureIntravenous dobutamine infusionEquilibrium radionuclide ventriculographyVentriculographic variablesLVEF increaseBlood pressureVentricular functionRadionuclide ventriculographyUnderwent assessmentIntravenous infusionBaseline variables
1998
Effects of Mental Stress on Left Ventricular and Peripheral Vascular Performance in Patients With Coronary Artery Disease
Jain D, Shaker M, Burg M, Wackers F, Soufer R, Zaret B. Effects of Mental Stress on Left Ventricular and Peripheral Vascular Performance in Patients With Coronary Artery Disease. Journal Of The American College Of Cardiology 1998, 31: 1314-1322. PMID: 9581726, DOI: 10.1016/s0735-1097(98)00092-8.Peer-Reviewed Original ResearchConceptsLeft ventricular ejection fractionPeripheral vascular resistanceCoronary artery diseaseRate-pressure productStress-induced fallSystolic blood pressureArtery diseaseBlood pressureCardiac outputHeart rateMental stressGroup IHemodynamic variablesAnger recallGroup IIMental stressorsEnd-systolic ventricular elastanceMental stress-induced changesSemisupine bicycle exerciseGroup II patientsComparable increaseDiastolic blood pressureVentricular ejection fractionExercise-induced changesVascular resistance