Improvement of left ventricular ejection fraction, heart failure symptoms and prognosis after revascularization in patients with chronic coronary artery disease and viable myocardium detected by dobutamine stress echocardiography.
作者： Jeroen J. Bax , Don Poldermans , Abdou Elhendy , Jan H. Cornel , Eric Boersma
DOI: 10.1016/S0735-1097(99)00157-6
关键词: Coronary artery disease 、 Ejection fraction 、 Dobutamine 、 Heart failure 、 Cardiology 、 Radionuclide ventriculography 、 Heart disease 、 Revascularization 、 Internal medicine 、 Medicine 、 Canadian Cardiovascular Society
摘要: Abstract OBJECTIVES This study was designed to address, in patients with severe ischemic left ventricular dysfunction, whether dobutamine stress echocardiography (DSE) can predict improvement of ejection fraction (LVEF), functional status and long-term prognosis after revascularization. BACKGROUND Dobutamine wall motion The relation between viability, function, heart failure symptoms has not been studied. METHODS We studied 68 DSE before revascularization; 62 underwent resting echocardiography/radionuclide ventriculography three months Long-term follow-up data (New York Heart Association [NYHA] class, Canadian Cardiovascular Society [CCS] classification events) were acquired up two years. RESULTS Patients ≥4 viable segments on (group A, n = 22) improved LVEF at (from 27 ± 6% 33 7%, p CONCLUSIONS substantial viability demonstrated NYHA class also associated a favorable
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