{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,8]],"date-time":"2026-02-08T23:11:58Z","timestamp":1770592318555,"version":"3.49.0"},"reference-count":17,"publisher":"BMJ","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Gut"],"published-print":{"date-parts":[[1996,8]]},"abstract":"<jats:p>BACKGROUND: A non-invasive marker is needed to identify patients with significant gastrointestinal injury due to non-steroidal anti-inflammatory drugs. Gastrointestinal permeability to sucrose has been suggested as such a test. AIMS: To assess the utility of sucrose permeability as a marker of gastroduodenal mucosal injury after single and multiple doses of aspirin, to identify the site of increased sucrose permeability, to explore the relation between sucrose permeability and endoscopic findings, and to evaluate whether Helicobacter pylori infection influenced gastroduodenal sucrose permeability. METHODS: After a fasting urine was obtained, 500 ml of a solution containing 100 g of sucrose was ingested. Urine was collected for five hours and assayed for sucrose by high performance liquid chromatography. Sucrose permeability was also assessed 20 minutes after ingestion of 650 mg of aspirin and eight to 12 hours after a 72 hour course of 650 mg aspirin four times a day. The site of increased permeability was identified after pyloric occlusion with a double balloon tube. RESULTS: Thirty seven healthy volunteers participated. Sucrose permeability (mean (SEM)) increased after both single (195.2 (27) mg and multiple (196.4 (31) mg) doses of aspirin compared with baseline (53.7 (10) mg; p &lt; 0.0005). Balloon pyloric occlusion confirmed that the site of increased sucrose permeability was the stomach. The effect of aspirin on sucrose permeability was similar in those with and without H pylori infection. CONCLUSION: These results confirm the use of sucrose permeability as a marker of aspirin induced gastroduodenal mucosal injury and identify the stomach as the major site of increased permeability. H pylori infection does not seem to change gastric mucosal sucrose permeability either at baseline or after ingestion of aspirin.<\/jats:p>","DOI":"10.1136\/gut.39.2.159","type":"journal-article","created":{"date-parts":[[2007,9,18]],"date-time":"2007-09-18T17:41:31Z","timestamp":1190137291000},"page":"159-163","source":"Crossref","is-referenced-by-count":36,"title":["Effects of aspirin and Helicobacter pylori on the gastroduodenal mucosal permeability to sucrose."],"prefix":"10.1136","volume":"39","author":[{"given":"A A","family":"Rabassa","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R","family":"Goodgame","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"F M","family":"Sutton","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C N","family":"Ou","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C","family":"Rognerud","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D Y","family":"Graham","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[1996,8,1]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"647","DOI":"10.1016\/S0016-5085(89)80061-7","article-title":"Toward an epidemiology of gastropathy associated with nonsteroidal antiinflammatory drug use","volume":"96","author":"Fries, J.F.; Miller, SR, Spitz; PW, Williams; CA, Hubert; HB, Bloch; D.A.","year":"1989","unstructured":"Fries JF, Miller SR, Spitz PW, Williams CA, Hubert HB, Bloch DA. 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