AUTHOR=Minghong Liu , Feng Qizhu , Chen Huichun , Li Ju , Shi Jun TITLE=Effects of different doses of remimazolam on the quality of sedation and cardiac function in elderly patients: a double-blind randomised controlled study JOURNAL=Frontiers in Cardiovascular Medicine VOLUME=11 YEAR=2025 URL=https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2024.1453608 DOI=10.3389/fcvm.2024.1453608 ISSN=2297-055X