Intraoperative suggestions to prevent postoperative delirium in patients undergoing transaortic valvular replacement: a randomized placebo-controlled trial.

"Declarations Conflict of interestAll authors declare that there is no conflict of interests. Ethical approvalThis study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of University B (Date: 9.12.2020/No. 20–2132-101). A Consort Checklist is included. Informed consentWritten informed consent was obtained from all individual participants included in the study. Conflict of interest All authors declare that there is no conflict of interests."

"Funding Open access funding provided by University of Innsbruck and Medical University of Innsbruck. The authors did not receive support from any organization for the submitted work. No funding was received to assist with the preparation of this manuscript. No funding was received for conducting this study. No funds, grants, or other support was received."

"This prospective double-blinded, randomized and placebo-controlled study was approved by the Ethical Committee of the University Hospital Regensburg (No.: 20–2132-101). The study was conducted in accordance with the consolidated standards of reporting trials (CONSORT) guidelines and the principles of Good Clinical Practice, and registered in the German study registration (DRKS, No: DRKS00024444). Study registration: DRKS: 00024444, start of registration: 4.02.202, final registration: 17.09.2021"