BackgroundAnticholinergic drugs are commonly used as premedication in clinical practice. The effects of premedication of atropine, penehyclidine, and glycopyrrolate on postoperative delirium in older patients remain unclear.ObjectiveThe aim of this study was to observe the effects of premedication with atropine, penehyclidine, and glycopyrrolate on postoperative delirium (POD) in older patients u…
