NPPB and hydrops fetalis: The final analysis revealed that NYHA (OR = 9.232, 95%CI = 4.949–19.220), smoking (OR = 2.730, 95%CI = 1.224–6.261), RCA-occlusion (OR = 2.647, 95%CI = 1.094–6.328), LVEF (OR = 3.547, 95%CI = 0.997–12.222), and NT-proBNP (OR = 3.909, 95%CI = 1.735–8.886) were significantly associated with the risk of developing HF after PCI (Table 2 and S2 Table).