Abstract
Abstract Aim To investigate the incidence of peri-operative hypothermia (core temperature ≤ 36 ⁰C) in all elective surgical patients at a district hospital in NHS and compare the results to the previous study. To understand the contributing factors to hypothermia in the elective surgical patients. Methods Inadvertent perioperative hypothermia (IPH) is defined as a core body temperature <36.0°C. It is a common consequence of anaesthesia, which increases morbidity and potentially increases mortality. National Institute of Health and Care Excellence (NICE) Guideline 65 which summarises best practice for the prevention and treatment of hypothermia in adults undergoing surgery. Prospective analysis of 100 electively listed surgical patients at NMGH. We prospectively studied all the electively listed general surgery, breast, gynaecology, urology, orthopaedics patients from 1 July 2023 to 1 September 2023. Exclusion criteria – All emergency cases. Pre-operative temperature, pre-induction temperature, intra-operative, post-procedure, temperature in recovery and temperature post recovery were recorded. Temperature measurement was via tympanic or temporal thermometers. All statistical calculations were performed on the StatsDirect3 software. Results Preoperative 36.55, Pre-induction 36.55, Intra-operative 36.5, Postoperative is 36.5, Recovery 36.5 Post recovery is 36.6, Theatre temperature 19.5 Conclusion Statistically significant correlation was observed between the intraoperative temperature and the pre-induction temperature as well as the theatre ambient temperature (p < 0.0001). A theatre temperature of 18 °C has a predicted intraoperative temperature of 34.4 °C and a temperature of 19 °C has a predicted temperature of 36.3 °C. Median pre-induction temperature at NMGH is 36.5 °C and the predicted intraop temp is 36 °C. If the pre-induction temperature raises to 37.2 °C the predicted intraop temperature is 36.6 °C.
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