Korean J Gastrointest Endosc > Volume 29(2); 2004 > Article
Korean Journal of Gastrointestinal Endoscopy 2004;29(2): 58-62.
캡슐내시경의 판독 시 숙련도에 따른 차이 분석
고려대학교 의과대학 내과학교실, 소화기연구소
Interpretation of Capsule Endoscopy: Expert versus Novice
Sung Woo Jung, M.D., Hoon Jai Chun, M.D., Bora Keum, M.D., Sung Chul Park, M.D.,Rok Son Choung, M.D., Yoon Tae Jeen, M.D., Hong Sik Lee, M.D., Yong Sik Kim, M.D.,Soon Ho Um, M.D., Sang Woo Lee, M.D., Jai Hyun Choi, M.D., Chang Duck Kim, M.D.,Ho Sang Ryu,
Department of Internal Medicine, Institute of Digestive Disease and Nutrition, Korea University College of Medicine, Seoul, Korea

Capsule endoscopy (CE) is a new method enabling noninvasive diagnosis of small bowel diseases. There have been few studies examining the possibility of interobserver variation according to proficiency. We evaluated the interobserver variability between expert and novice for reviewing CE images.
Among patients who were taken CE from June 2003 to July 2003, twenty patients were randomly selected. Captured images were assessed by an expert and a novice separately. The expert has experience of more than 150 CE interpretation and the novice only had experience in performing EGD and colonoscopy. The novice had trained on interpretation of the CE with 5 cases before this study. Interobserver agreement was evaluated using kappa coefficient.
CE findings were divided into normal/ abnormal groups. Abnormal groups were classified into small focal, large focal, multiple diffuse, structural deformity groups. Compared with the expert, the novice missed 2 cases (Meckel's diverticulum and angiodysplasia). There was no disagreement in other cases.
There is 90% (18/20) interobserver agreement between the expert and the novice for the interpetation of findings CE (k=0.737). Normal findings and diffuse large lesions tended to have higher concordance, whereas small focal lesion and structural deformities were more likely to be a source of disagreement. (Korean J Gastrointest Endosc 2004;29:58⁣62)
Key Words: Capsule endoscopy, Interobserver variation, Experience
주요어: 캡슐내시경, 관찰자 간 차이, 숙련도
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