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J Korean Soc Emerg Med > Volume 26(5); 2015 > Article
Journal of The Korean Society of Emergency Medicine 2015;26(5): 424-429.
응급의학과 전공의에 의한 복부 컴퓨터단층촬영 예비판독의 정확성 및 되먹임 영상교육
임우섭, 김종근, 안재윤
경북대학교 의학전문대학원 응급의학교실
Discrepancies of Emergency Medicine Residents’ Preliminary Interpretation of Abdominal CT and Feedback Image Education
Woo Sup Lim, Jong Kun Kim, Jae Yun Ahn
Department of Emergency Medicine, School of Medicine, Kyungpook National University, Daegu, Korea
Correspondence  Jong Kun Kim ,Tel: 053) 200-6400, Fax: 053) 428-2802, Email: kim7155@knu.ac.kr,
Received: June 17, 2015; Revised: June 8, 2015   Accepted: August 11, 2015.  Published online: October 30, 2015.
For the differential diagnosis of acute abdomen, abdominal computed tomography (CT) is commonly performed in the emergency department (ED). Rapid and accurate interpretation after CT is essential; however, final interpretation of the images by a board-certified radiologist for 24 hours a day is nearly impossible. Therefore, a preliminary interpretation is mainly made by emergency physicians in the ED, which may result in some discrepancy with the interpretations of board-certified radiologists. This study was conducted to determine the discrepancy rate of emergency medicine (EM) residents’preliminary interpretation and any reduction in discrepancy through feedback imaging education programs by attending radiologists.
This was a before-and-after study, including 540 cases of abdominal CT scans performed in the ED between November 1, 2014 and April 30, 2015. Residents first documented their preliminary interpretation of 300 cases for 3 months. Board-certified radiologists then provided feedback image education to EM residents for these cases for 1 month. After feedback education, preliminary interpretations of 240 cases were documented for 2 months. Discrepancy rates before and after feedback education were then analyzed.
Total and major discrepancy rates before feedback image education were 28% and 11.7%, respectively, which declined to 14.6% and 4.6%, respectively, after feedback image education (p<0.05).
Feedback image education was effective in reducing the discrepancy rate of the interpretation of abdominal CT scans by EM residents.
Key words: X-ray Computed tomography, Hospital emergency service, Feedback
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