NPPB and aortic stenosis: AS = aortic stenosis; AVR = aortic valve replacement, BNP = B‐type natriuretic peptide; FU = follow‐up; GGT = Gamma‐glutamyl transferase; LDT = loop diuretic therapy; mPAWP = mean pulmonary artery wedge pressure; sPAP = systolic pulmonary artery pressure.