340
Participants
Start Date
July 15, 2025
Primary Completion Date
January 1, 2027
Study Completion Date
July 1, 2027
surgery
Patients with preexisting cognitive impairment undergoing elective non-cardiac surgery under general anesthesia.
norma
Cognitively normal individuals who do not undergo surgery but complete the same cognitive assessments at baseline, 3 months, and 12 months for normative reference.
RECRUITING
Peking University Shenzhen Hospital, Shenzhen
Peking University Shenzhen Hospital
OTHER