The influence of atrial fibrillation on prognosis in mild to moderate heart failure : the V-HeFT studies
1993
Background. Atrial fibrillation occurs commonly in heart failure; however, its importance in terins of prognosis is controversial. Methods and Results. We assessed the relation of atrial fibrillation on first Holter monitor to morbidity and mortality in mild to moderate heart failure in 632 patients in the Veterans Affairs Vasodilator-Heart Failure Trial (V-HeFT) I and 795 patients in V-HeFT II. Ninety-nine patients in atrial fibrillation and 533 patients in sinus rhythm were followed for a mean of 2.5 years (range, 6 months to 5.7 years) in V-HeFT I; 107 patients in atrial fibrillation and 688 patients in sinus rhythm in V-HeFT II were followed for a mean of 2.5 years (range, 6 months to 5.0 years)
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