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Journal of the Korean Society of Traumatology 2005;18(2):81-86.
Primary Survey of Cardiac Troponin I Elevated Groups in Trauma Patients
You Dong Sohn, M.D., Kyoung Soo Lim, M.D., Ji Yun Ahn, M.D., Jung Kuen Park, M.D., Gyu Chong Cho, M.D., Bum Jin Oh, M.D., Won Kim, M.D.
Department of Emergency Medicine, College of Medicine, Ulsan University, Asan Medical Center, Seoul, Korea
외상 환자에서의 cardiac troponin I 상승군에서의 기초 조사
손유동·임경수·안지윤·박정근·조규종·오범진·김 원
울산대학교 의과대학 서울아산병원 응급의학교실
Abstract
Background: Cardiac troponin I (cTnI) is a sensitive cardiac marker of myocardial injury. In normal coronary angiogram, positive cTnI values may be detected in various events such as sepsis, stroke, trauma and so on. To investigate characteristics of cTnI positive group in trauma patients, we designed this study between cTnI positive group and cTnI negative group. Method: Trauma patients who visited emergency room within 24 hours after accidents were included. Patients who had renal failure, acute coronary syndrome, sepsis, spontaneous SAH were excluded. Retrospective study of 97 trauma patients was done. We investgated ISS (injury severity score), positive cTnI, EKG abnormality, shock class, ICU admission rate and mortality. R e s u l t: In comparing with non chest trauma group, chest trauma group, whose chest AIS (Abbreviated Injury Score) is more than 3 point, had significant values in ISS, positive cTnI, EKG abnormality, shock class and ICU admission rate. Also, in non chest trauma group, we found several patients whose cTnI level was positive. When non chest trauma group was divided into two subgroups, the mortality and shock class of positive cTnI group were higher than that of negative cTnI group. When all trauma patients were divided into two
groups, a positive cTnI group had higher values in ISS, shock class, ICU admission rate and mortality than that in a negative cTnI group. Conclusion: We found that cTnI were positive in patients of cardiac contusion but also in various trauma cases. In non chest trauma patients, we assumed that hypotension caused cTnI elevating. The cTnI could play a role in predicting prognosis in trauma patients.
Key Words: Cardiac troponin I (cTnI); Trauma; Cardiac contusion; Prognosis


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