Korean J Gastroenterol.
2022 Feb;79(2):55-60. 10.4166/kjg.2022.015.
Chicago Classification ver. 4.0: An Overview of Esophageal Motility Disorders on High-resolution Manometry
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- 1Division of Gastroenterology, Department of Internal Medicine, Soonchunhyang University Seoul Hospital, Seoul, Korea
- KMID: 2526791
- DOI: http://doi.org/10.4166/kjg.2022.015
Abstract
- This review introduces the updated Chicago Classification ver. 4.0 for esophageal motility disorders using metrics from high-resolution manometry (HRM). The Chicago Classification ver. 4.0 was developed by 52 diverse international experts using validated methodologies over 2 years. Key updates in Chicago Classification ver. 4.0 include: 1) a more rigorous and expansive HRM protocol that incorporates supine and upright test positions as well as provocative testing, 2) a refined definition of esophagogastric junction outflow obstruction, and 3) emphasis on supportive testing with barium esophagogram with tablet and/or functional lumen imaging probe.
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