Preoperative Transcranial Doppler Findings and Postoperative Delirium After Cardiac Surgery in Elderly Patients: A Prospective Observational Study. - Bergmann, Astrid; Ruzhyn, Yurii; Wiesemann, Jan; Hulde, Nikolai; Fliegenschmidt, Janis; Krannich, Alexander; von Dossow, Vera (Life (2075-1729), 2026)