IL33 and congestive heart failure: Compared with the CHF group, there was an increase in SBP, DBP, LVSP, and ± dp/dtmax but a decrease in LVEDP in the miR-487b mimic group and the si IL-33 group (P < 0.05 for all) and decline in SBP, DBP, LVSP, and ± dp/dtmax in the miR-487b inhibitor group but an increase in LVEDP (P < 0.05 for all).