title: [Bladder temperature versus tympanic temperature in patients undergoing abdominal aortic aneurysm surgery].
abstract: BACKGROUND
  Inaccurate measurements of body temperature might be associated with complications during the perioperative period. We conducted a retrospective cohort study to compare the bladder temperature and the tympanic membrane temperature in patients undergoing open repair of abdominal aortic aneurysm.
  
  
  METHODS
  Fifteen adult patients who had undergone general anesthesia with/without epidural anesthesia were included in the present cohort. The bladder and the tympanic temperatures were simultaneously recorded at 6 points during surgery. One-way repeated measures ANOVA and Bland-Altman analysis were performed to assess statistical significance. The two-tailed P values less than 0.05 were considered statistically significant.
  
  
  RESULTS
  No difference was found between the bladder and the tympanic temperatures before abdominal aortic cross-clamping. However, during and after cross-clamping, the bladder temperature values were likely to be lower compared with the tympanic values. The average temperature difference (+/- 2 SD) was 0.4 degrees C (+/- 1.1 degrees C) (95% CI: -1.21-0.78).
  
  
  CONCLUSIONS
  The tympanic membrane might be a reliable site for core body temperature measurement in abdominal aortic aneurysm surgery patients.
authors.affiliation: Department of Anesthesiology, National Cerebral and Cardiovascular Center, Suita 565-0873.
authors.forename: Yukihiko
authors.initials: Y
authors.lastname: Tomita
authors.forename: Masataka
authors.initials: M
authors.lastname: Kamei
authors.forename: Ken
authors.initials: K
authors.lastname: Kuwajima
authors.forename: Yuzuru
authors.initials: Y
authors.lastname: Inatomi
authors.forename: Takuma
authors.initials: T
authors.lastname: Maeda
authors.forename: Yoshihiko
authors.initials: Y
authors.lastname: Onishi
mesh_terms: D000328:Adult; D017544:Aortic Aneurysm, Abdominal / Q000601:surgery*; D001831:Body Temperature / Q000502:physiology*; D006801:Humans; D012189:Retrospective Studies; D014432:Tympanic Membrane / Q000502:physiology*; D001743:Urinary Bladder / Q000502:physiology*