More than 14 million Europeans suffer from heart failure (HF), of which more than 50 % have HF with preserved left ventricular (LV) ejection fraction (EF) (HFPEF, “diastolic heart failure”). HFPEF is the only cardiovascular disease with increasing prevalence and incidence, affecting 10-20% of the elderly and contributing substantially to hospitalizations of elderly HF patients. Currently, no medic ...