{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,10]],"date-time":"2026-04-10T20:39:42Z","timestamp":1775853582859,"version":"3.50.1"},"reference-count":34,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2024,12,30]],"date-time":"2024-12-30T00:00:00Z","timestamp":1735516800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003669","name":"Korea Centers for Disease Control and Prevention","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003669","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Euro J of Neurology"],"published-print":{"date-parts":[[2025,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Acute transverse myelitis (ATM) has been reported as a potential association between COVID\u201019 vaccination. In this study, we aimed to investigate the association between the COVID\u201019 vaccination and ATM.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A self\u2010controlled case series study was performed using a large database that combine the COVID\u201019 vaccine registry and the national claims database. The COVID\u201019 vaccination data included information on individuals aged 18 and above who received COVID\u201019 vaccination from February 26, 2021, to August 31, 2022. The claims database covered the entire Korean population for the period between January 1, 2002 to August 31, 2022. Patients who develop ATM within 1\u201342\u2009days following COVID\u201019 vaccination were included. The observation period was 270\u2009days after the first dose of the COVID\u201019 vaccine. The incidence rate ratio (IRR) and 95% confidence interval (CI) were estimated using a conditional Poisson regression model.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 159 ATM patients were included. Among them, 82 (51.6%) were male, and mean age was 55.4 (\u00b117.4) years. The IRR was 2.41 (95% CI: 1.76\u20133.30) for the ATM risk within 1\u201342\u2009days after COVID\u201019 vaccination. The IRR by vaccine product was 3.31 (95% CI: 1.81\u20136.05) for ChAdOx1\u2010S; 1.99 (95% CI: 1.30\u20133.03) for BNT162b2; 2.57 (95% CI: 1.14\u20135.97) for mRNA\u20101273; and 3.33 (95% CI: 0.30\u201336.44) for Ad26.COV2.S.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>These findings indicated an increased risk of ATM following COVID\u201019 vaccination within 42\u2009days. An association with the risk of ATM was found both for viral vector and mRNA vaccines.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ene.70020","type":"journal-article","created":{"date-parts":[[2024,12,30]],"date-time":"2024-12-30T09:26:22Z","timestamp":1735550782000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["The association between acute transverse myelitis and <scp>COVID<\/scp>\u201019 vaccination in Korea: Self\u2010controlled case series study"],"prefix":"10.1111","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3242-5682","authenticated-orcid":false,"given":"Eunsun","family":"Lim","sequence":"first","affiliation":[{"name":"Department of Health Convergence, College of Science and Industry Convergence Ewha Womans University  Seoul Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoo Hwan","family":"Kim","sequence":"additional","affiliation":[{"name":"Department 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