As a non-specific inflammatory marker, the elevation of hs-CRP reflects the presence of an inflammatory response in the body, which can increase the risk of MACE by promoting plaque instability and thrombosis.28,29 BNP, as a sensitive biomarker for heart failure, also has important value in the prognostic evaluation of AMI patients.30 This study found that elevated BNP levels are an independent risk factor for MACE during hospitalization after PCI. Here, NPPB is linked to heart failure.