Hypothermia Risk Prediction Combined With Active Insulation Management in Geriatric Surgery

Hypothermia Risk Prediction Combined With Active Insulation Management in the Burden of Disease Study in Geriatric Surgery: A Multicenter, Randomized, Controlled Study Based on 24 Hospitals in Southwest China

To evaluate the effectiveness and safety of hypothermia risk prediction combined with active warming management to reduce intraoperative hypothermia in elderly patients undergoing elective general anesthesia, improve the quality of anesthesia management, and enhance patients' awareness of the work of anesthesiologists.

Inclusion Criteria:

1. Age ≥ 60 years, male or female.
2. Elective general anesthesia for surgery.
3. Operative time ≥ 30 min.
4. Preoperative body temperature within the normal range.
5. Normal preoperative bleeding and clotting time.

Exclusion Criteria:

1. Mental illness.
2. High or low basal hypothermia with high or low metabolic disease (patients with central hyperthermia include those with cerebrovascular vascular disease, traumatic brain injury and brain surgery, epilepsy, central hyperthermia due to acute hydrocephalus; thermoregulatory abnormalities including malignant hyperthermia (MHS), neuroleptic malignant syndrome and those with definite evidence of diagnosed hypo- or hyperthyroidism and current abnormal thyroid function).
3. Impaired skin insulation barriers such as large skin burns.
4. Infectious fever.
5. Other causes of body temperature above 38.5 °C three days before surgery.
6. Other persons deemed unsuitable by the investigator to participate in the clinical trial.
7. Refusal to sign the informed consent form.