Lombardo, A.

patient revascularisation group stress study dobutamine improvement peak stress lvef heart myocardium dobutamine stress echocardiography function response viability group 1 heart failure symptoms echocardiography york heart association segment dose dobutamine revascularization artery disease stress lvef cardiol cardiomyopathy group 2 article recovery contractile reserve dose dobutamine infusion ischaemic cardiomyopathy ejection fraction presence artery ischaemic lvef response failure class ischemic cardiomyopathy e c vourvouri f l schinkel ejection symptom polderman fraction positron emission tomography analysis disease 912 months lv function volume infusion 0.001 assessment elhendy radionuclide ventriculography ischaemia reserve effect infarction rizzello ischemic dysfunction table motion colleague contractile baseline b krenning prognosis m bountioukos dobutamine infusion rest lvef value october prediction wall motion bax jj hibernating myocardium biphasic response