Clin Endosc.  2016 Jul;49(4):312-317. 10.5946/ce.2016.084.

How to Improve the Quality of Screening Endoscopy in Korea: National Endoscopy Quality Improvement Program

  • 1Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.


In Korea, gastric cancer screening, either esophagogastroduodenoscopy or upper gastrointestinal series (UGIS), is performed biennially for adults aged 40 years or older. Screening endoscopy has been shown to be associated with localized cancer detection and better than UGIS. However, the diagnostic sensitivity of detecting cancer is not satisfactory. The National Endoscopy Quality Improvement (QI) program was initiated in 2009 to enhance the quality of medical institutions and improve the effectiveness of the National Cancer Screening Program (NCSP). The Korean Society of Gastrointestinal Endoscopy developed quality standards through a broad systematic review of other endoscopic quality guidelines and discussions with experts. The standards comprise five domains: qualifications of endoscopists, endoscopic unit facilities and equipment, endoscopic procedure, endoscopy outcomes, and endoscopic reprocessing. After 5 years of the QI program, feedback surveys showed that the perception of QI and endoscopic practice improved substantially in all domains of quality, but the quality standards need to be revised. How to avoid missing cancer in endoscopic procedures in daily practice was reviewed, which can be applied to the mass screening endoscopy. To improve the quality and effectiveness of NCSP, key performance indicators, acceptable quality standards, regular audit, and appropriate reimbursement are necessary.


Endoscopy; Mass screening; Stomach neoplasms; Quality

MeSH Terms

Early Detection of Cancer
Endoscopy, Digestive System
Endoscopy, Gastrointestinal
Mass Screening*
Quality Improvement*
Stomach Neoplasms
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