{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T23:11:18Z","timestamp":1787008278356,"version":"build-2736575974"},"reference-count":51,"publisher":"SAGE Publications","issue":"7","license":[{"start":{"date-parts":[[2021,7,1]],"date-time":"2021-07-01T00:00:00Z","timestamp":1625097600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Thyroid\u00ae"],"published-print":{"date-parts":[[2021,7]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Iodine-induced hyperthyroidism (IIH) was a common issue in the early twentieth century after introduction of iodine supplementation in dietary salt. Currently, IIH is mostly encountered in Western countries as a consequence of radiographic procedures involving the administration of iodinated contrast media (ICM). However, little is known about the magnitude and clinical relevance of this issue. To assess the incidence of hyperthyroidism after ICM exposure, we performed a systematic review and meta-analysis of the literature.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>MEDLINE, Embase, and the Cochrane Library were systematically searched for studies published between 1946 and May 2018. Studies were considered eligible if they investigated the association between hyperthyroidism and iodinated contrast. Data on study design, baseline characteristics, and outcomes were extracted independently by two reviewers.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>Thirty out of 1493 retrieved studies were included in the analysis. The time endpoint to assess thyroid hormone levels after ICM exposure varied between 1 and 541 days among studies, with most studies having a time endpoint between 7 and 56 days. The overall estimated prevalence of overt hyperthyroidism after ICM exposure was extremely low (0.1% [confidence interval, CI 0\u20130.6%]), and did not change after adjustments for baseline thyroid function status (0.3% in euthyroid patients at baseline [CI 0\u20131.7%]). There were no cases with overt hyperthyroidism at 7 days after ICM exposure, and the incidence was very low at 30 days (0.2% [CI 0\u20130.8%]).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>The incidence of IIH after ICM administration during radiographic procedures is extremely low.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1089\/thy.2020.0459","type":"journal-article","created":{"date-parts":[[2020,12,17]],"date-time":"2020-12-17T00:22:11Z","timestamp":1608164531000},"page":"1020-1029","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":33,"title":["Prevalence of Iodine-Induced Hyperthyroidism After Administration of Iodinated Contrast During Radiographic Procedures: A Systematic Review and Meta-Analysis of the Literature"],"prefix":"10.1177","volume":"31","author":[{"given":"Sandrina","family":"Bervini","sequence":"first","affiliation":[{"name":"Department of Internal Medicine, Hospital Center, Biel, Switzerland."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sven","family":"Trelle","sequence":"additional","affiliation":[{"name":"Clinical Trial Unit (CTU), University of Bern, Bern, Switzerland."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Kopp","sequence":"additional","affiliation":[{"name":"Division of Endocrinology, Diabetology and Metabolism, University Hospital of Lausanne and University of Lausanne, Lausanne, Switzerland."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christoph","family":"Stettler","sequence":"additional","affiliation":[{"name":"Department of Diabetes, Endocrinology, Nutritional Medicine and Metabolism (UDEM), Inselspital, Bern University Hospital, Bern, Switzerland."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roman","family":"Trepp","sequence":"additional","affiliation":[{"name":"Department of Diabetes, Endocrinology, Nutritional Medicine and Metabolism (UDEM), Inselspital, Bern University Hospital, Bern, Switzerland."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2021,7,8]]},"reference":[{"key":"e_1_3_4_2_2","doi-asserted-by":"publisher","DOI":"10.1210\/jc.2014-3292"},{"key":"e_1_3_4_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0021-9258(19)52781-8"},{"key":"e_1_3_4_4_2","doi-asserted-by":"publisher","DOI":"10.1089\/thy.1998.8.83"},{"key":"e_1_3_4_5_2","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM197301112880216"},{"key":"e_1_3_4_6_2","doi-asserted-by":"publisher","DOI":"10.1089\/105072501300176453"},{"key":"e_1_3_4_7_2","doi-asserted-by":"publisher","DOI":"10.1007\/s10406-005-0113-x"},{"key":"e_1_3_4_8_2","doi-asserted-by":"publisher","DOI":"10.1038\/nrendo.2013.251"},{"key":"e_1_3_4_9_2","doi-asserted-by":"publisher","DOI":"10.1111\/cen.12376"},{"key":"e_1_3_4_10_2","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.b2535"},{"key":"e_1_3_4_11_2","first-page":"177","volume-title":"Laird N 1986 Meta-analysis in clinical trials","author":"DerSimonian R","unstructured":"DerSimonian R, Laird N 1986 Meta-analysis in clinical trials. 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