ischaemic cardiomyopathy and viable myocardium after coronary revascularisation in patients with Improvement of stress LVEF rather than rest LVEF
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منابع مشابه
Improvement of stress LVEF rather than rest LVEF after coronary revascularisation in patients with ischaemic cardiomyopathy and viable myocardium.
OBJECTIVE To evaluate prospectively the response of left ventricular ejection fraction (LVEF) to high dose dobutamine infusion in patients showing substantial viability, with and without improved resting LVEF after revascularisation. METHODS Before and 9-12 months after revascularisation, 50 patients with ischaemic cardiomyopathy (LVEF 32 (8)%) and substantial myocardial viability (> or = 4 v...
متن کاملFailure to improve left ventricular function after coronary revascularization for ischemic cardiomyopathy is not associated with worse outcome.
Background-Preoperative identification of viable myocardium in patients with ischemic cardiomyopathy is considered important because CABG can result in recovery of left ventricular (LV) function. However, the hypothesis that lack of improvement of LV function after CABG is associated with poorer patient outcome is untested. Methods and Results-Outcome was compared in patients with ischemic LV d...
متن کاملRelationship between myocardial viability and improvement in left ventricular function and heart failure symptoms after coronary artery bypass surgery.
BACKGROUND The evaluation of myocardial viability is an important preoperative parameter, predictive of improvement in regional and global left ventricular (LV) function after coronary artery bypass surgery (CABG). However, whether the presence of viability is also associated with relief of heart failure symptoms after revascularization is not always certain. The aims of the study were to defin...
متن کاملDipyridamole stress and rest gated 99mTc-sestamibi myocardial perfusion SPECT: left ventricular function indices and myocardial perfusion findings
Introduction: We investigated the difference in left ventricular ejection fraction (LVEF) and end-systolic volume(ESV) measured by gated myocardial perfusion SPECT (GSPECT) in the post-dipyridamole stress and rest periods, and compared the results with the perfusion patterns found in the conventional non-gated tomograms. Methods: 297 consecutive patients were studie...
متن کاملSurgery for hibernation.
I n the early 1980s Rahimtoola reviewed the results of coronary bypass surgery trials and identified patients with coronary artery disease and chronic left ventricular dysfunction that improved upon revascularisation. The results of medical treatment for ischaemic cardiomyopathy have been poor. Coronary artery bypass grafting provides superior long term survival, but may be associated with a hi...
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