NPPB and heart failure: In univariate Logistic binary regression analysis, age, Killip degree, diabetes, BNP, LVEF, Lactate, D–D dimer, creatinine, CK-MB, post-PCI SBP and DBP, atrial fibrillation, heart failure, culprit vessel of LM, and post-PCI CTFC were identified predictors for POCA occurrence.