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Background and Methods: In advanced chronic heart failure (HF) indices of left ventricular systolic function have a limited prognostic value. To determine whether in such patients right ventricular function provides better prognostic information, 132 sinus rhythm patients (age 54 +/- 9 years) with HF due to dilated cardiomyopathy (left ventricular ejection fraction 22 +/- 7%) were investigated by...
Background: In patients with dilated cardiomyopathy and heart failure (HF) the high-dose dobutamine (DOBU) test is useful to differentiate between ischemic and non-ischemic etiology, to identify candidates for revascularization and to assess the inotropic reserve. However, HF patients are at risk of ventricular arrhythmias (VA) and the arrhythmogenic effect of DOBU may limit the test. The present...
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