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Korean J Helicobacter  Up Gastrointest Res > Volume 18(1); 2018 > Article
The Korean Journal of Helicobacter  and Upper Gastrointestinal Research 2018;18(1):13-16.
DOI: https://doi.org/10.7704/kjhugr.2018.18.1.13    Published online March 10, 2018.
Observation Time for Complete Endoscopy in Gastric Cancer Screening
Jae Myung Park
Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea. parkjerry@catholic.ac.kr
위암을 놓치지 않기 위한 적절한 내시경 관찰시간
가톨릭대학교 의과대학 서울성모병원 내과학교실
Correspondence:  Jae Myung Park, Tel: +82-2-2258-6022, Fax: +82-2-2258-2089, 
Email: parkjerry@catholic.ac.kr
Received: 6 January 2018   • Revised: 31 January 2018   • Accepted: 31 January 2018
Esophagogastroduodenoscopy (EGD) has been used in gastric cancer screening in Korea. Complete EGD requires quality control. Few quality indicator studies of EGD have been conducted despite its frequent use for identifying upper gastrointestinal (GI) malignancy. In addition, limited evidence exists showing that longer examination time increases the detection rate of upper GI neoplasia. A few studies have reported on the outcome measures of quality indicators in EGD. These studies suggested that long endoscopic examination time increases the detection rate of neoplasms or high-risk lesions in the upper GI tract. A recent Korean study evaluated the association between examination time and the detection rate of neoplasms in EGD. In this study, we showed that endoscopists with prolonged observation time had a higher detection rate of upper GI neoplasms. Extending the examination time will allow for more careful examination by the endoscopists enabling the detection of more subtle lesions. Further studies are needed to establish the appropriate endoscopic observation time as a quality indicator in Korea.
Key Words: Endoscopy; Quality indicators; Stomach neoplasms

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