Clinical TrialHighlightedHydrogen Gas Treatment Improves Postoperative Delirium and Cognitive Dysfunction in Elderly Noncardiac PatientsMHID-0848980PMID: 366757282022Journal of Personalized MedicineHua Lin, Jian Du, Zhigang Tian, Yonghao Yu, Yan Cui, Keliang XiePurpose: Postoperative delirium is a state of acute brain dysfunction characterized by fluctuating mental status that affects millions of patients each year. We used prophylactic inhalation of hydrogen gas in elderly patients undergoing elective surgery to compare their occurrence of postoperative delirium with that of controls. Methods: A total of 184 patients aged ≥65 years were enrolled and ran