Intraoperative hypothermia
Conditions
Interventions
Experimental group (Make the patient s temperature fluctuate at the basal body temperature ±0.5?):N/A
Control group (Anesthesiologist administers patient s temperature according to clinical needs):N/A
Sponsors
Peking University First Hospital
Eligibility
Sex/Gender
All
Age
65 Years to No maximum
Inclusion criteria
Inclusion criteria: a) Age = 65 years; b) Elective major surgery under general anesthesia (duration of surgery = 2h); c) Expected presence of more than 50% warmable surface skin; d) ASA classification = grade III.
Exclusion criteria
Exclusion criteria: a) Presence of preoperative psychiatric disorders (e.g., schizophrenia, depression, etc.); b) Inability to communicate due to coma, language impairment, or a Brief Mental Status Examination Scale (MMSE) score = 23; c) Preoperative fever (temperature >37.3°C); d) Anticipated intraoperative deliberate cooling; e) Patent with esophageal masses or incapably placed an esophageal temperature probe; f) Neurosurgery or cardiac surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Overall postoperative survival time; | — |
Secondary
| Measure | Time frame |
|---|---|
| Postoperative recurrence-free survival time;Postoperative event-free survival time;Postoperative cognitive function in surviving patients in the 2nd-2.5 years.;Postoperative quality of survival in surviving patients in the 2nd-2.5 years.; | — |
Countries
China
Contacts
Public ContactZhang Hong
Peking University First Hospital
Outcome results
None listed