The relationship between intraoperative cerebral oxygen saturation and postoperative cognitive dysfunction patients with diabetes mellitus

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100052829

Enrollment

Unknown

Registered

2021-11-06

Start date

2022-01-01

Completion date

Unknown

Last updated

2022-08-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Postoperative cognitive dysfunction

Interventions

Desaturatioin group:No

Non-desaturation group:No

Eligibility

Sex/Gender

All

Age

65 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Aged >= 65 years; 2. Type 2 diabetes mellitus; 3. ASA II-IV; 4. Under elective abdominal surgery with general anesthesia; 5. The estimated surgery time is more than 2 hours; 6. Patients are agree to join in this research.

Exclusion criteria

Exclusion criteria: 1. Emergent surgery; 2. Poor hearing or vision impeding cognitive assessment; 3. Language barrier impeding cognitive assessment; 4. Sedation or intubation; 5. Patients with traumatic brain injury; 6. History of schizophrenia; 7. With cognitive dysfunction; 8. Participate in other research.

Design outcomes

Primary

Measure	Time frame
MoCA (Montreal Cognitive Assessment) score;Regional cerebral saturation;	—

Countries

China

Contacts

Public ContactLi Xiuhua

Tangshan Gongren Hospital

grylxh@163.com+86 13703250366

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026