2002
Pharmacologic stress perfusion imaging with adenosine: Role of simultaneous low-level treadmill exercise
Samady H, Wackers FJ, Joska TM, Zaret BL, Jain D. Pharmacologic stress perfusion imaging with adenosine: Role of simultaneous low-level treadmill exercise. Journal Of Nuclear Cardiology 2002, 9: 188-196. PMID: 11986564, DOI: 10.1067/mnc.2002.119973.Peer-Reviewed Original ResearchConceptsLow-level treadmill exerciseMyocardial perfusion imagingTreadmill exerciseElectrocardiographic changesAdverse effectsAdenosine myocardial perfusion imagingSestamibi single-photon emissionPharmacologic stress myocardial perfusion imagingStress myocardial perfusion imagingIschemic electrocardiographic changesLow-level exerciseMore adverse effectsUnfavorable side effectsSingle photon emissionAdenosine studyAdenosine TcMore patientsMyocardial ischemiaHemodynamic responseStress perfusionSide effectsPerfusion imagingTracer uptakePatientsMPI studies
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
1993
Impact of regional ventricular function, geometry, and dobutamine stress on quantitative 99mTc-sestamibi defect size.
Sinusas AJ, Shi Q, Vitols PJ, Fetterman RC, Maniawski P, Zaret BL, Wackers FJ. Impact of regional ventricular function, geometry, and dobutamine stress on quantitative 99mTc-sestamibi defect size. Circulation 1993, 88: 2224-2234. PMID: 8222117, DOI: 10.1161/01.cir.88.5.2224.Peer-Reviewed Original ResearchConceptsHours of reperfusionDobutamine stressMyocardial thickeningVentricular geometryDefect magnitudeCoronary artery occlusionLeft ventricular geometryOpen-chest dogsRegional ventricular functionCircumferential profile analysisDefect sizeMIBI defectsArtery occlusionMyocardial salvageVentricular functionVentricular sizePharmacological stressNonviable myocardiumES imagesMyocardial perfusionInfarcted dogsRegional functionReperfusionRisk areasDogs