Introduction Acute myocardial infarction (AMI), a severe manifestation of acute coronary syndrome (ACS), remains a leading cause of global morbidity and mortality.1 Percutaneous coronary intervention (PCI) has become an effective treatment for AMI.2 Acute kidney injury (AKI) is a common complication in AMI patients, closely linked to mechanisms such as hemodynamic instability and contrast-induced nephrotoxicity.3 A meta-analysis revealed an AKI incidence of 15.8% in ACS patients, with AKI...