NPPB and atrial fibrillation: According to the inclusion criteria, 53 AF patients wereselected as atrial fibrillation group (Group AF), detection of C-reactive protein(CRP), homocysteine (Hcy), total bile acid (TBA), brainnatriuretic peptide (BNP), High-sensitivity cardiac troponin (Hs-cTn) and leftventricular ejection fraction (LVEF) were accomplished.