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The Impact of Preoperative Depression on Postoperative Delirium in Elderly Chinese Patients: A Retrospective Multicenter Observational Study

NCT07744282

Not Yet RecruitingN/A

Sponsor: Chinese PLA General Hospital

Conditions: Cohort Studies

This study is a retrospective analysis of a large-scale multicentre prospective cohort study that investigates the impact of preoperative depression on the incidence of postoperative delirium among elderly Chinese patients undergoing non-cardiac major surgery.

Eligibility overview

Sex: ALL

Age: 65 Years to 100 Years

Healthy volunteers: No

Study type: OBSERVATIONAL

Eligibility criteria

Inclusion Criteria:

* 1\. Age ≥ 65 years, both genders 2. Elective non-cardiac major surgery 3. Completed preoperative depression assessment (PHQ-9) 4. Completed postoperative delirium assessment (3D-CAM)

Exclusion Criteria:

* 1\. History of neurological or psychiatric disorders or use of neuropsychiatric medications 2. Impaired cognitive function or inability to complete preoperative follow-up 3. Transferred to ICU postoperatively 4. Missing delirium outcome data