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Effects of S-ketamine on postoperative delirium and pain in patients after breast surgery under general anesthesia

Effects of S-ketamine on postoperative delirium and pain in patients after breast surgery under general anesthesia

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300071055
Enrollment
Unknown
Registered
2023-05-04
Start date
2023-05-04
Completion date
Unknown
Last updated
2023-06-04

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

Conditions

postoperative delirium

Interventions

S-ketamine group:At the beginning of the operation, the patients were infused with ketamine 0.5 mg/kg · h continuously until the surgeon began to suture the skin.
Control Group:At the beginning of the operation, the patients were infused with the same volume of saline as S-ketamine Group continuously until the surgeon began to suture the skin.

Sponsors

The Second Affiliated Hospital of Shandong First Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 90 Years

Inclusion criteria

Inclusion criteria: 1. American Society of Anesthesiologists (ASA) physical status classification I–III. 2.Undergoing breast surgery. 3.Voluntary participation in the trial and signed informed consent.

Exclusion criteria

Exclusion criteria: 1.History of severe psychiatric disease. 2.History of glaucoma or hyperthyroidism. 3.History of severe hepatic (Child-Pugh grade C) or renal (requirement for renal replacement therapy) disorders. 4.Body mass index (BMI) ?35 kg/m². 5. Dementia history or baseline Mini-Mental State Examination (MMSE) score of 200/110 mm Hg). 9. Allergic to dexmedetomidine or S-ketamine. 10. Taking sedatives, antidepressants or glucocorticoids. 11. Alcohol or illicit drug misuse disorder. 12. Life expectancy of less than 2 months due to extensive tumor metastasis.

Design outcomes

Primary

MeasureTime frame
postoperative delirium;

Secondary

MeasureTime frame
postoperative pain;the subtype, severity and duration of POD;

Countries

China

Contacts

Public ContactLimin Zhou

The Second Affiliated Hospital of Shandong First Medical University

zlm94523@sina.com+86 17661211078

Outcome results

None listed

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