ACE and heart failure: Heart failure treatment with angiotensin-converting enzyme inhibitors (ACEI) or angiotensin-receptor blocker (ARB), β-blockers, mineralocorticoid receptor antagonists (MRA) and glycosides were given to 95% (N = 52), 85% (N = 47), 65% (N = 36) and 62% (N = 34) of patients, respectively (Table 1).