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논문 기본 정보

자료유형
학술저널
저자정보
Lee Deokjong (Department of Psychiatry Yongin Severance Hospital Yonsei University College of Medicine Yongin Kor) Kim Woojin (Department of Preventive Medicine Yonsei University College of Medicine Seoul Korea.) Lee Jung Eun (Institute of Behavioral Science in Medicine Yonsei University College of Medicine Seoul Korea.) Lee Junghan (Institute of Behavioral Science in Medicine Yonsei University College of Medicine Seoul Korea.Depar) Lee Seung-Koo (Department of Radiology Yonsei University Medical College Seoul Korea.) Chang Sei-Jin (Department of Preventive Medicine and Institute of Occupational and Environmental Medicine Wonju Co) Jeung Da Yee (Department of Dental Hygiene Hanyang Women’s University Seoul Korea.) Hyun Dae-Sung (Health Insurance Research Institute National Health Insurance Service Wonju Korea.) Ryu Hye-Yoon (Department of Occupational and Environmental Medicine Wonju Severance Christian Hospital Wonju Kore) Kim Changsoo (Department of Preventive Medicine Yonsei University College of Medicine Seoul Korea.) Jung Young-Chul (Institute of Behavioral Science in Medicine Yonsei University College of Medicine Seoul Korea.Depar)
저널정보
대한의학회 Journal of Korean Medical Science Journal of Korean Medical Science Vol.36 No.50
발행연도
2021.12
수록면
1 - 10 (10page)
DOI
10.3346/jkms.2021.36.e335

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Background: Firefighters inevitably encounter emotionally and physically stressful situations at work. Even firefighters without diagnosed post-traumatic stress disorder receive clinical attention because the nature of the profession exposes them to repetitive trauma and high occupational stress. This study investigated gray matter abnormalities related to high occupational stress in firefighters using voxel-based morphometry (VBM) and surface-based morphometry (SBM). Methods: We assessed 115 subjects (112 males and 3 females) using magnetic resonance imaging and evaluated occupational stress by the Korean Occupational Stress Scale-26 (KOSS-26). Subjects were classified into highly or lowly stressed groups based on the median value of the KOSS-26. Results: In VBM analysis, we found that firefighters with high occupational stress had lower gray matter volume (GMV) in both sides of the insula, the left amygdala, the right medial prefrontal cortex (mPFC), and the anterior cingulate cortex than firefighters with low occupational stress. In SBM analysis based on regions of interest, the GMV of the bilateral insula and right mPFC were also lower in the highly stressed group. Within the highly stressed group, low GMV of the insula was significantly correlated with the length of service (left: r = ?0.347, P = 0.009; right: r = ?0.333, P = 0.012). Conclusion: Our findings suggest that regional GMV abnormalities are related to occupational stress. Regional gray matter abnormalities and related emotional dysregulation may contribute to firefighter susceptibility to burnout.

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