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Journal of the Korean Society of Traumatology 2005;18(1):17-25.
Chest Radiographic Parameters of Mediastinal Hemorrhage in Patients with Traumatic Aortic Injury Patients
Wook Jin Choi, M.D., Kyoung Soo Lim, M.D., Jae Ho Lee, M.D., Shin Ahn, M.D., and Won Kim, M.D.
Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
외상성 대동맥손상 환자에서 관찰한 종격동 출혈의 흉부방사선 소견
울산대학교 의과대학 서울아산병원 응급의학교실
Background: Traumatic rupture of the aorta is a life-threatening injury that must be diagnosed as rapidly as possible and treated immediately. The chest X-ray is a valuable tool for screening traumatic rupture of the aorta in blunt chest trauma. And various chest radiologic parameters are being used as diagnostic tools for aortic injury. The purpose of this study is to identify chest radiographic parameters that may assist in the detection of traumatic rupture of the aorta and to compare these findings with those of other reports. Methods: This study involved 30 adult patients with traumatic rupture of the aorta seen at the emergency department of the Asan Medical Center from 1997 to 2004. The control subjects were 30 healthy patients with neither lung nor cardiovascular disease. We retrospectively assessed over 14 parameters on chest X-rays. Results: In 11 of the 14 parameters, there were significant differences between the study group and the control group. There was no significant difference in the M/C ratio (mediastinumto-chest width ratio) between the two groups, and neither the left nor the right paraspinal interface was statistically significant (p value>0.05). Our study indicates that new criteria for the MC ratio and for the paraspinal interfaces are needed for screening traumatic aorta injury. The other radiographic parameters for traumatic rupture of the aorta need to be further assessed through a prospective study.
Key Words: Trauma; Aortic rupture; Radiography; Mediastinum; Hemorrhage


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