# Incidence of Postoperative Cognitive Decline in Patients With Preexisting Cognitive Impairment

> **NCT07135336** · — · RECRUITING · sponsor: **Peking University Shenzhen Hospital** · enrollment: 340 (estimated)

## Conditions studied

- Cognitive and Behavioral Impairment

## Interventions

- **PROCEDURE:** surgery
- **OTHER:** norma

## Key facts

- **NCT ID:** NCT07135336
- **Lead sponsor:** Peking University Shenzhen Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2025-07-15
- **Primary completion:** 2027-01-01
- **Final completion:** 2027-07-01
- **Target enrollment:** 340 (ESTIMATED)
- **Last updated:** 2025-08-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07135336

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07135336, "Incidence of Postoperative Cognitive Decline in Patients With Preexisting Cognitive Impairment". Retrieved via AI Analytics 2026-07-17 from https://api.ai-analytics.org/clinical/NCT07135336. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*