Increasing attention is being given to patients with heart failure and ‘mid‐range’ left ventricular ejection fraction (LVEF, ≥40% and Click to show full abstract
Increasing attention is being given to patients with heart failure and ‘mid‐range’ left ventricular ejection fraction (LVEF, ≥40% and <50%) for whom there are no approved therapies that improve prognosis. We aim to assess for the first time the effects of cardiac contractility modulation (CCM) therapy in this patient population.
               
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