{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,19]],"date-time":"2026-04-19T07:42:36Z","timestamp":1776584556052,"version":"3.51.2"},"reference-count":17,"publisher":"Oxford University Press (OUP)","issue":"1","license":[{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,1,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background and Aims<\/jats:title>\n                  <jats:p>Radiological imaging is crucial for diagnosing and monitoring patients with inflammatory bowel diseases (IBD). With increasing awareness of radiation risks, imaging doses should be \u201cas low as reasonably achievable,\u201d with a risk level that one should try to stay underneath 75 mSv. However, real-world data on cumulative exposure are limited. We retrospectively analyzed the radiation exposure of patients with IBD in a Belgian tertiary referral center.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>Radiation exposure examinations were reviewed using the electronic health records. Annual (AED) and cumulative effective dose (CED) were calculated. A sub-analysis of patients diagnosed after January 1, 2007 was performed, as detailed radiation doses were maintained prospectively from that date onwards.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>In total, 4333 IBD patients (2753 Crohn\u2019s disease [CD], 1512 ulcerative colitis [UC]) were included. The median (Interquartile range [IQR]) AED was 0.47 (0.02-1.67) mSv\/year, and higher in CD than in UC (0.59 [0.05-1.79] vs 0.28 [0.01-1.44] mSv\/year, P\u2005=\u2005.855). CED\u2005\u2265\u200575 mSv was reached in 5.5% of patients after a median [IQR] of 24 [13-34] years of follow-up. Sub-analysis of 1754 patients diagnosed from 2007 showed a median (IQR) AED of 0.74 (0.02-2.76) mSv\/year, again higher for CD than UC (1.16 [0.02-3.42] vs 0.29 [0.01-2.28] mSv\/year, P\u2005=\u2005.189). Here, 3.3% reached a CED\u2005\u2265\u200575 mSv after a median (IQR) of 9 [6-12] years of follow-up. The most common reasons for radiation exposure were comorbidities like malignancy.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>Up to 5.5% of IBD patients reached a CED\u2005\u2265\u200575 mSv. While most imaging decisions were deemed appropriate, caution against excessive radiation remains crucial.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ecco-jcc\/jjaf001","type":"journal-article","created":{"date-parts":[[2025,1,6]],"date-time":"2025-01-06T19:03:03Z","timestamp":1736190183000},"source":"Crossref","is-referenced-by-count":2,"title":["Radiation exposure in patients with inflammatory bowel disease"],"prefix":"10.1093","volume":"19","author":[{"given":"Thibaud","family":"Jorissen","sequence":"first","affiliation":[{"name":"Department of Internal Medicine, University Hospitals Leuven , Leuven ,","place":["Belgium"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4893-7682","authenticated-orcid":false,"given":"Liselotte","family":"Fierens","sequence":"additional","affiliation":[{"name":"Translational Research in Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism, KU Leuven , Leuven 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Leuven ,","place":["Belgium"]},{"name":"Department of Gastroenterology and Hepatology, University Hospitals Leuven , Leuven ,","place":["Belgium"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9942-3019","authenticated-orcid":false,"given":"S\u00e9verine","family":"Vermeire","sequence":"additional","affiliation":[{"name":"Translational Research in Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism, KU Leuven , Leuven ,","place":["Belgium"]},{"name":"Department of Gastroenterology and Hepatology, University Hospitals Leuven , Leuven ,","place":["Belgium"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dirk","family":"Vanbeckevoort","sequence":"additional","affiliation":[{"name":"Department of Radiology, University Hospitals Leuven , Leuven 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