• Shunsuke Tachibana, Yutaro Chida, and Michiaki Yamakage.
• Department of Anesthesiology, Sapporo Medical University, School of Medicine, Sapporo, South 1, West 16, Chuo-ku, Sapporo, Hokkaido, 060-8543, Japan. shunsuke.tachibana@gmail.com.
• JA Clin Rep. 2019 May 16; 5 (1): 32.

PurposeTemperature monitoring in the perioperative periods is important in order to avoid both hyperthermia and hypothermia. In our pilot study, we evaluated the usefulness of Bair Hugger™ temperature monitoring system (BHTMS), a forehead deep temperature monitoring system, in the neck and chest under general anesthesia.MethodsAfter approval from the Sapporo Medical University Research Ethics Board, 30 female patients scheduled for laparoscopic surgery were enrolled in this study. Patients were divided into three groups, depending on the attachment regions of BHTMS sensor. Temperatures obtained from the three regions and each esophageal temperature (TEso) were monitored and analyzed.ResultsA Bland-Altman plot showed that the mean bias between temperature obtained from the neck and TEso was + 0.05 °C above TEso (2SD ± 0.35 °C), and that between temperature obtained from the chest and TEso was - 0.55 °C above TEso (2SD ± 0.55 °C).ConclusionBy using the BHTMS sensor in the neck region, it is possible to monitor core body temperature seamlessly and with high reliability. These results may suggest that the use of BHTMS has high versatility in measuring perioperative core body temperature.Trial RegistrationThis study was approved by the Sapporo Medical University Research Ethics Board (2015: No. 262-149) and registered with UMIN Clinical Trial Registry ( UMIN000016802 Registered 15 March 2015).

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