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Effect of active intraoperative heat preservation on postoperative delirium in patients undergoing noncardiac general anesthesia surgery: a multicenter, prospective, randomized, controlled, double-blind study

Effect of active intraoperative heat preservation on postoperative delirium in patients undergoing noncardiac general anesthesia surgery: a multicenter, prospective, randomized, controlled, double-blind study

Status
Recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300074091
Enrollment
Unknown
Registered
2023-07-30
Start date
2023-08-01
Completion date
Unknown
Last updated
2023-07-30

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

Conditions

Postoperative delirium

Interventions

Positive warming group:Patients are heated with an insulated blanket at the beginning of anesthesia induction and the power is set to high (about 43°C) before being adjusted. All intravenous fluids we
Routine temperature management group:Preheating or heating of the thermal insulation device is not carried out before and during the operation, and the temperature of the operating room is maintained

Sponsors

Qingdao Municipal Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
40 Years to 90 Years

Inclusion criteria

Inclusion criteria: In patients aged > 40 years, ASA class I-III, undergoing noncardiac surgery under general anesthesia, surgery is expected to last 2 to 6 hours.

Exclusion criteria

Exclusion criteria: (1) Preoperative MMSE score< 24 points; (2) Abuse of drugs, psychotropic substances, and long-term use of steroids and hormonal drugs; (3) Preoperative hepatic encephalopathy grade III.-IV.; (4) Recent major surgery; (5) severe visual and hearing impairment; (6) Central nervous system infection, head injury, multiple sclerosis, neurodegenerative diseases other than AD (such as epilepsy, Parkinson's disease) or other serious neurological diseases; (7) Preoperative body temperature outside the normal range (36.0-37.3°C); (8) Patients with a body mass index of more than 30 kg/m²; (9) Have a history of chronic pain or taking any analgesics; (10) Those with a history of motion sickness or otolithiasis.

Design outcomes

Primary

MeasureTime frame
Postoperative delirium;—

Secondary

MeasureTime frame
Infection rate of incision 30 days after surgery;Length of hospital stay;Complications of cardiovascular and cerebrovascular system and pneumonia, atelectasis and pulmonary embolism;—

Countries

China

Contacts

Public ContactYanlin Bi

Qingdao Municipal Hospital

pndable2021@sina.com+86 186 6167 5610

Outcome results

None listed

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