“…Carvedilol (combined beta1,2 and alpha blocker) alone was used in five studies [11,12,14,15,21], carvedilol, labetalol (combined beta1,2 and alpha blocker), bisoprolol, metoprolol tartrate, and metoprolol succinate were used in one study [16], and carvedilol and metoprolol succinate were used in two studies [18,20]. Both cardioselective and noncardioselective beta blockers (not specified) were used in one study [13], and three studies did not specify the type of beta blockers used [10,17,19]. e primary outcomes were readmission (all cause and heart failure related) in nine studies [10-13, 15-17, 19, 20], mortality in seven studies [10,11,13,[15][16][17]19], LVEF improvement in six studies [12-14, 17, 18, 20], NYHA functional class in three studies [12,18,20], and major adverse cardiovascular events (MACEs) in four studies [16,18,20,21] as shown in Table 2.…”