None
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria: (1) patients undergoing elective urological surgery in our hospital from April 2025 to April 2026 were selected as clinical trial subjects; (2) 30 min <= expected duration of surgery <= 4 h; (3) no gender restriction; (4) age 18-85 years old; (5) 18 kg/m^2 <= body mass index (BMI) <= 29 kg/m^2; (6) ASA classification ?-? Grade
Exclusion criteria
Exclusion criteria: (1) Presence of severe respiratory disease; (2) People with severe damage to target organs such as liver, kidney, heart and brain; (3) History of difficult airway disease; (4) Have used or are using medications that interfere with thermoregulation within 1 month; (5) Temperature is not in the normal range before induction of anaesthesia, i.e., higher than 37.5°C or lower than 36.0°C; (6) Nasopharyngeal lesions or a history of surgery (7) Thyroid function abnormalities (8) History of upper respiratory tract infection with cough or sputum within 2 weeks (9) Temperature probe falling off >= 2 times in a row or data loss >15% of the time window
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Consistency analysis of results with multiple measurements by Bland-Altman comparison;Surgical time; | — |
Secondary
| Measure | Time frame |
|---|---|
| Differences in temperature over time;Subgroup analyses of low, ambient, and high temperature ranges, age, and sex;Incidence of intraoperative hypothermia;Intraoperative haemorrhage;Volume of intraoperative irrigation fluid;Postoperative patient awakening time;Incidence of postoperative chills;Patient comfort (presence of sore throat, hoarseness, nosebleeds, etc.);Length of hospitalisation; | — |
Countries
China
Contacts
Hangzhou First People's Hospital