IL6R and myocardial infarction: The aims of the study were then to: (1) study possible associations between circulating IL-6 and IL-6R measured during acute STEMI and final infarct size, myocardial function, left ventricular (LV) remodelling and future cardiovascular events, (2) study the potential role of sustained IL-6 and IL-6R levels in the chronic post-MI patients with regard to future clinical events.