Inter-atrial shunt device therapy has shown mixed results in clinical trials, with clinical 'non-responders' typically showing features of more advanced heart failure. We aimed to analyse the ...

but I-PRESERVE excluded patients who had a prior documented ejection fraction <40%, which minimized the confounder that patients with systolic heart failure whose ejection fraction might have ...

Limited evidence exists on the prognostic role of continuing medical therapy in patients with heart failure (HF) and an ejection fraction (EF) that has improved over time. This study assessed rates of ...