{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,18]],"date-time":"2026-06-18T14:48:08Z","timestamp":1781794088279,"version":"3.54.5"},"reference-count":26,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2021,8,24]],"date-time":"2021-08-24T00:00:00Z","timestamp":1629763200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Gastro and Hepatol"],"published-print":{"date-parts":[[2022,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background and Aim<\/jats:title><jats:p>The proper visibility of mucosa during esophagogastroduodenoscopy (EGD) is crucial for the detection of early upper gastrointestinal tract lesions. In contrast to colonoscopy, no validated scoring system for the assessment of upper gastrointestinal mucosal cleanliness has been developed so far. The aim of the study was to create and validate standardized grading system (POLPREP) to assess the mucosal cleanliness during EGD.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>To assess the visibility of mucosa during EGD, 4\u2010point scale was developed (0\u20133). Twelve operators assessed 18 images of esophagus, stomach, and duodenum twice (in 2\u00a0weeks interval). In validation round, the images and endoscopy reports of 443 EGDs performed in six centers were assessed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The inter\u2010observer accordance of POLPREP was 0.8 (intra\u2010class correlation coefficient; 0.79 consultants, 0.85 trainees). The intra\u2010observer repeatability was 0.64 (Fleiss kappa value; 0.64 consultants, 0.64 trainees). The lesions detection rate was significantly higher in clean (scores 2 and 3; 19.7%) than in \u201cunclean\u201d segments (score 1; 7.7%, <jats:italic>P<\/jats:italic>\u00a0=\u00a00.049). Score 3 was associated with over three\u2010fold higher lesion detection than score 1 (odds ratio 3.2, 95% confidence interval 1.1\u20139; <jats:italic>P<\/jats:italic>\u00a0=\u00a00.03).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The proposed POLPREP scale allows for unified assessment of upper gastrointestinal tract mucosal cleanliness. The higher cleanliness scores are related with greater upper gastrointestinal pathologies detection.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jgh.15662","type":"journal-article","created":{"date-parts":[[2021,8,16]],"date-time":"2021-08-16T09:40:03Z","timestamp":1629106803000},"page":"164-168","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":28,"title":["Scoring system assessing mucosal visibility of upper gastrointestinal tract: The POLPREP scale"],"prefix":"10.1111","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5369-8161","authenticated-orcid":false,"given":"Marcin","family":"Roma\u0144czyk","sequence":"first","affiliation":[{"name":"Department of Gastroenterology and Hepatology, School of Medicine in Katowice Medical University of Silesia  Katowice Poland"},{"name":"Endotherapy H\u2010T. Medical Center  Tychy Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bartosz","family":"Ostrowski","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Hepatology, School of Medicine in Katowice Medical University of Silesia  Katowice Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katarzyna","family":"Koz\u0142owska\u2010Petriczko","sequence":"additional","affiliation":[{"name":"Endoscopy Unit SONOMED Medical Center  Szczecin Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katarzyna M.","family":"Pawlak","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology, Endoscopy Unit Hospital of the Ministry of Interior and Administration  Szczecin Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Krzysztof","family":"Kurek","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Internal Medicine Medical University of Bia\u0142ystok  Bia\u0142ystok Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hubert","family":"Zatorski","sequence":"additional","affiliation":[{"name":"Department of Digestive Tract Diseases Medical University of \u0141\u00f3d\u017a  \u0141\u00f3d\u017a Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mateusz","family":"Koziej","sequence":"additional","affiliation":[{"name":"Department of Anatomy Jagiellonian University Medical College  Krak\u00f3w Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomasz","family":"Roma\u0144czyk","sequence":"additional","affiliation":[{"name":"Endotherapy H\u2010T. 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