Fisiopatologia, prevenzione e gestione dell'obiezione microvascolare coronarica.

Although prompt primary percutaneous coronary intervention (PCI) reduces mortality in patients with ST-elevation myocardial infarction (STEMI), the burden of post-infarction heart failure remains considerable and is expected to increase. A major contributory factor is suboptimal myocardial reperfusion, which persists in up to 60% of cases even with timely revascularization. This is largely driven by microvascular obstruction and ischaemia-reperfusion injury, culminating in the no-reflow phenomenon, a critical prognostic factor associated with impaired infarct healing, adverse left ventricular remodelling, and increased risk of heart failure and death. No-reflow is a complex and heterogeneous