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Impact of two anesthesia maintenance methods on incidence of early delirium and duration of long-term survival in elderly patients after surgery for malignant tumor: a randomized controlled trial

Impact of two anesthesia maintenance methods on incidence of early delirium and duration of long-term survival in elderly patients after surgery for malignant tumor: a randomized controlled trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR-IPR-15006209
Enrollment
Unknown
Registered
2015-04-07
Start date
2015-04-01
Completion date
Unknown
Last updated
2022-03-14

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

Conditions

Malignant tumor

Interventions

Sevoflurane group:Anesthesia is maintained with inhalation of sevoflurane
Propofol group:Anesthesia is maintained with intravenous infusion of propofol

Sponsors

Peking University First Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
65 Years to 90 Years

Inclusion criteria

Inclusion criteria: Participants must meet all of the following criteria: 1. Aged >= 65 years and < 90 years; 2. Scheduled to undergo surgery for cancer, with an expected duration of 2 hours or more, under general anesthesia; 3. Diagnosed as primary cancer, do not receive radio- or chemotherapy before surgery; 4. Agree to participate, and give signed written informed consents.

Exclusion criteria

Exclusion criteria: Patients will be excluded if they meet any of the following criteria: 1. Refuse to participate in the study; 2. Previous history of schizophrenia, epilepsy, Parkinsonism, or myasthenia gravis; 3. Inability to communicate in the preoperative period because of coma, profound dementia, language barrier, or end-stage disease; 4. Critical illness (preoperative American Society of Anesthesiologists physical status classification >= IV), severe hepatic dysfunction (Child-Pugh class C), or severe renal dysfunction (undergoing dialysis before surgery); 5. Neurosurgery; 6. Other reasons that are considered unsuitable for study participation by the responsible surgeons or investigators (reasons must be recorded in the case report form).

Design outcomes

Primary

MeasureTime frame
The incidence of delirium during the first 7 days after surgery;Duration of overall survival after surgery;

Secondary

MeasureTime frame
Incidence of postoperative complications within 30 days after surgery;Recurrence-free survival after surgery;Cognitive function at 30 days after surgery;Event-free survival after surgery;The percentage of intensive care unit (ICU) admission after surgery;The proportion of ICU admission with endotracheal intubation after surgery;The length of stay in ICU after surgery;The length of stay in hospital after surgery;

Countries

China

Contacts

Public ContactWang DongXin

Peking University First Hospital

wangdongxin@hotmail.com+86 13910731903

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 25, 2026