Effects of 10-min of pre-warming on inadvertent perioperative hypothermia in intraoperative warming patients: a randomized controlled trialEffects of 10-min of pre-warming on inadvertent perioperative hypothermia in intraoperative warming patients: a randomized controlled trial
- Other Titles
- Effects of 10-min of pre-warming on inadvertent perioperative hypothermia in intraoperative warming patients: a randomized controlled trial
- Authors
- 유재화; Ok Si Young; 김상호; 정지원; 박선영; 김문규; 조호범; You Gyu Wan
- Issue Date
- 2020
- Publisher
- 대한마취통증의학회
- Keywords
- Brief; Forced-air warming; Hypothermia; Preoperative period.
- Citation
- Anesthesia and Pain Medicine, v.15, no.3, pp 356 - 364
- Pages
- 9
- Journal Title
- Anesthesia and Pain Medicine
- Volume
- 15
- Number
- 3
- Start Page
- 356
- End Page
- 364
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/3468
- DOI
- 10.17085/apm.20027
- ISSN
- 1975-5171
2383-7977
- Abstract
- Background: This study aimed to evaluate the efficacy of 10-min pre-warming in preventing inadvertent perioperative hypothermia, which is defined as a reduction in body temperature to less than 36.0℃ during the perioperative period in intraoperative warming patients. Methods: In this prospective randomized study, 60 patients scheduled for elective surgery under general anesthesia lasting less than 120 min were divided into two groups: the 10-min pre-warming group (n = 30) and the control group (n = 30). Patients in the 10-min pre-warming group were pre-warmed for 10 min in the pre-anesthetic area using a forced-air warmer set at 47ºC. Intraoperatively, we warmed all patients with a forced-air warmer. Body temperature was measured using a tympanic membrane thermometer pre- or postoperatively and a nasopharyngeal temperature probe intraoperatively. Patients were evaluated on the shivering and thermal comfort scale in the pre-anesthetic area and post-anesthesia care unit. Results: The incidences of intraoperative hypothermia and postoperative hypothermia were similar in both groups (10.7% vs. 28.6%, P = 0.177; 10.7% vs. 10.7%, P = 1.000 respectively). Body temperature was higher in the 10-min pre-warming group (P = 0.003). Thermal comfort during the pre-warming period was higher in the 10-min pre-warming group (P < 0.001). However, postoperative thermal comfort and shivering grades of both groups were similar.Conclusions: Ten minutes of pre-warming has no additional effect on the prevention of inadvertent perioperative hypothermia in intraoperative warming patients.
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