AUTHOR=Wang Xiaohan , Yan Yanan , Liu Yurong , Xu Chun , Zhuang Jingwen , Wang Zhiping TITLE=Preoperative continuation vs. discontinuation of angiotensin-converting enzyme inhibitors/angiotensin II receptor blockers on early cognitive function in elderly patients undergoing noncardiac surgery: a randomized controlled trial JOURNAL=Frontiers in Aging Neuroscience VOLUME=17 YEAR=2025 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2025.1542628 DOI=10.3389/fnagi.2025.1542628 ISSN=1663-4365