NPPA and coronary artery disorder: Compared to patients with HFpEF and a low MR-proANP, patients with HFpEF and a high MR-proANP were characterized by being older, with a higher frequency of males, a higher prevalence of known ischemic heart disease, a higher creatinine level and were to a higher extend treated with betablockers, diuretics and anti-platelet therapy.