NEAT1 and myocardial infarction: The echocardiographic and hemodynamic analyses (Figure 5A, 5B) indicated a reduction in LVIDD, LVIDs, LVEF, LVFS, LVEDP and +dP/dt in MI mice injected with sh-NEAT1, whereas myocardial injury was aggravated following treatment with sh-NEAT1 and AntagomiR-22-3p.