Comparison of the Pattern of Changes in Salivary Cortisol by Degree of Burn and CAPS Score

화상 정도 및 CAPS 점수에 따른 타액 코티졸의 변화 양상 비교

  • Kim, Jin-Na (Department of Psychiatry, Hangang Sacred Heart Hospital, Hallym University College of Medicine) ;
  • Kim, Jee Wook (Department of Psychiatry, Hangang Sacred Heart Hospital, Hallym University College of Medicine) ;
  • Choi, Ihn-Geun (Department of Psychiatry, Hangang Sacred Heart Hospital, Hallym University College of Medicine) ;
  • Chun, Wook (Department of Surgery, Hangang Sacred Heart Hospital, Hallym University College of Medicine) ;
  • Seo, Cheong Hoon (Department of Rehabilitation, Hangang Sacred Heart Hospital, Hallym University College of Medicine) ;
  • Kim, Kyung Ja (Department of Nursing, Hangang Sacred Heart Hospital, Hallym University College of Medicine) ;
  • Lee, Boung Chul (Department of Psychiatry, Hangang Sacred Heart Hospital, Hallym University College of Medicine)
  • 김진나 (한림대학교 의과대학 한강성심병원 정신과학교실) ;
  • 김지욱 (한림대학교 의과대학 한강성심병원 정신과학교실) ;
  • 최인근 (한림대학교 의과대학 한강성심병원 정신과학교실) ;
  • 전욱 (한림대학교 의과대학 한강성심병원 외과학교실) ;
  • 서정훈 (한림대학교 의과대학 한강성심병원 재활의학과학교실) ;
  • 김경자 (한림대학교 의과대학 한강성심병원 간호과) ;
  • 이병철 (한림대학교 의과대학 한강성심병원 정신과학교실)
  • Received : 2012.08.09
  • Accepted : 2012.10.15
  • Published : 2012.10.30

Abstract

Objective : Cortisol, a product of hypothalamus-pituitary-adrenal axis (HPA axis), is one of our defensive mechanisms in response to stress. The level of cortisol in the saliva is a major biomarker of the stress response by HPA axis and shows diurnal variation. We measured salivary cortisol level and its diurnal variation to compare the pattern of changes by degree of burn and Clinician-Administered PTSD Scale (CAPS) score. Methods : We measured the salivary cortisol levels of 37 subjects hospitalized in the burn center at our facility from March to June 2012. Salivary cortisol levels were measured at 6 : 00 AM and at 7 : 00 PM. All subjects were tested for CAPS to evaluate the severity of posttraumatic stress disorder and the Hamilton Depression Rating Scale to evaluate and to control the coexisting depression. Results : Factorial ANOVA test revealed that there was a statistically significant difference in terms of the effect of the interaction between the degree of burn and the patient's CAPS score. Unlike the mild burn group, in the severe burn group, the patients who had a low CAPS score didn't show a normal diurnal variation and the patients who had a high CAPS score showed the normal diurnal variation. After a few months follow up, we found a greater degree of psychiatric complications in severe burn patients that had a lower cortisol stress response. Conclusion : We suppose that the disappearance of the stress response changes in salivary cortisol seen in the severe burn group may be caused by an impaired stress response. Through followed observation of the subjects, this disruption of cortisol response may cause psychiatric problems afterwards.

Keywords

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