Is postoperative cognitive decline after cardiac surgery associated with plasma beta amyloid 1-42 levels? Alzforum, 21 Jan 2022 Požgain Z, Dulić G, Kondža G, Bogović S, Šerić I, Hil D, Trogrlić B, Bednjanić A, Perković-Kovačević M, Šahinović I.