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Study on the effect of ketamine on postoperative cognitive dysfunction in elderly patients with colorectal cancer

Study on the effect of ketamine on postoperative cognitive dysfunction in elderly patients with colorectal cancer

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500099803
Enrollment
Unknown
Registered
2025-03-28
Start date
2025-02-12
Completion date
Unknown
Last updated
2025-03-31

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

Conditions

Cognitive dysfunction (POCD)

Interventions

Sufentanil group:Maintenance of anesthesia during operation: sevoflurane + single injection of sufentanil.
Esketamine group:Maintenance of anesthesia: sevoflurane + single injection of sufentanil + low-dose pump injection of esketamine.

Sponsors

The Fourth Affiliated Hospital of China Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
65 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Age>=65 years old; 2.ASA grade I-III; 3.The patient agrees and signs a written informed consent. 4.Preoperative Mini-mental state examination (MMSE) score>=24 points.

Exclusion criteria

Exclusion criteria: 1.ASA grade >=?; 2.The infection was severe before operation (WBC > 100×10^9 or C-reactive protein >=100mg/L); 3.History of brain trauma; Patients who could not be extubated after operation and needed to be admitted to ICU for further treatment; 4.Patients are known to be allergic to esketamine , propofol, sufentanil , ephedrine and other active ingredients or excipients of intraoperative drugs; 5.Patients with contraindication for any of the following: serious risk of elevated blood pressure or intracranial pressure, high IOP or penetrating ocular trauma, and untreated or poorly treated hyperthyroidism; 6.Those who have not received basic education or are mentally disabled; 7.The patient has not signed a written informed consent or does not accept to be included in this study.

Design outcomes

Primary

MeasureTime frame
Mentalstate;Interleukin-6;

Countries

China

Contacts

Public ContactWang Yuanyuan

The Fourth Affiliated Hospital of China Medical University

wangyuanyuan@cmu.edu.cn+86 18900912987

Outcome results

None listed

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