{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T04:04:12Z","timestamp":1773029052630,"version":"3.50.1"},"reference-count":32,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2025,10,20]],"date-time":"2025-10-20T00:00:00Z","timestamp":1760918400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2025,10,20]],"date-time":"2025-10-20T00:00:00Z","timestamp":1760918400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100020771","name":"Natural Science Foundation for Young Scientists of Shanxi Province","doi-asserted-by":"publisher","award":["82202150"],"award-info":[{"award-number":["82202150"]}],"id":[{"id":"10.13039\/501100020771","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Magnetic Resonance Imaging"],"published-print":{"date-parts":[[2026,4]]},"abstract":"ABSTRACT<\/jats:title>\n \n Background<\/jats:title>\n \n Myocardial involvement is a major manifestation of exertional heatstroke (\n EHS<\/jats:styled-content>\n ), yet its short\u2010term clinical outcome remains unclear.\n <\/jats:p>\n <\/jats:sec>\n \n Purpose<\/jats:title>\n \n To assess serial cardiac left ventricular structural and functional changes using baseline and 3\u2010month cardiac\n MRI<\/jats:styled-content>\n .\n <\/jats:p>\n <\/jats:sec>\n \n Study Type<\/jats:title>\n Prospective.<\/jats:p>\n <\/jats:sec>\n \n Population<\/jats:title>\n A total of 41 participants (median age, 21\u2009years; IQR, 20\u201323\u2009years) hospitalized for EHS and 27 age\u2010, sex\u2010, and training\u2010matched healthy controls (HCs).<\/jats:p>\n <\/jats:sec>\n \n Field Strength\/Sequence<\/jats:title>\n Fast imaging employing steady\u2010state acquisition (cine imaging), saturation methods using adaptive recovery times (native T1, extracellular volume [ECV]), phase\u2010sensitive inversion\u2010recovery gradient recalled echo (late gadolinium enhancement [LGE]), and multi\u2010echo fast spin echo (T2) sequences at 3.0\u2009T.<\/jats:p>\n <\/jats:sec>\n \n Assessment<\/jats:title>\n Longitudinal comparisons were performed within the EHS group (baseline vs. 3\u2010month follow\u2010up), and cross\u2010sectional comparisons were performed between patients and HCs. Cardiac symptoms (chest pain, dyspnea, palpitations, and syncope) at follow\u2010up were recorded using standardized questionnaires.<\/jats:p>\n <\/jats:sec>\n \n Statistical Tests<\/jats:title>\n \n Paired sample\n t<\/jats:italic>\n \u2010test, independent sample\n t<\/jats:italic>\n \u2010test, analysis of variance, Kendall's\n \u03c4<\/jats:italic>\n \u2010b. A\n p<\/jats:italic>\n value <\u20090.05 was considered significant.\n <\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n \n Significant improvements were observed in native\n T1<\/jats:styled-content>\n (1492\u2009\u00b1\u200952\u2009ms vs. 1521\u2009\u00b1\u200957\u2009ms),\n ECV<\/jats:styled-content>\n (23.4%\u2009\u00b1\u20091.7% vs. 24.3%\u2009\u00b1\u20091.8%),\n T2<\/jats:styled-content>\n (45.9\u2009\u00b1\u20092.2\u2009ms vs. 47.3\u2009\u00b1\u20092.3\u2009ms), and\n 2D<\/jats:styled-content>\n global longitudinal strain (\u221216.7%\u2009\u00b1\u20091.6% vs. \u221215.8%\u2009\u00b1\u20091.1%) at 3\u2009months follow\u2010up compared to baseline parameters in the\n EHS<\/jats:styled-content>\n cohort. However, native\n T1<\/jats:styled-content>\n (1492\u2009\u00b1\u200952\u2009ms vs. 1456\u2009\u00b1\u200926\u2009ms) and\n ECV<\/jats:styled-content>\n (23.4%\u2009\u00b1\u20091.7% vs. 20.6%\u2009\u00b1\u20091.6%) at follow\u2010up were significantly higher in\n EHS<\/jats:styled-content>\n than in\n HCs<\/jats:styled-content>\n . At 3\u2010month follow\u2010up, native\n T1<\/jats:styled-content>\n ,\n ECV<\/jats:styled-content>\n , and\n LGE<\/jats:styled-content>\n presence were associated with cardiac symptoms (Kendall's\n \u03c4<\/jats:italic>\n \u2010b\u2009=\u2009\u22120.430, \u22120.447, and \u22120.398, respectively).\n <\/jats:p>\n <\/jats:sec>\n \n Data Conclusion<\/jats:title>\n This study demonstrated persistently elevated native T1 and ECV at 3 months following EHS, despite partial improvement. Those with residual abnormalities should not be cleared for unrestricted training.<\/jats:p>\n <\/jats:sec>\n \n Evidence Level<\/jats:title>\n 2.<\/jats:p>\n <\/jats:sec>\n \n Technical Efficacy<\/jats:title>\n Stage 2.<\/jats:p>\n <\/jats:sec>","DOI":"10.1002\/jmri.70157","type":"journal-article","created":{"date-parts":[[2025,10,21]],"date-time":"2025-10-21T04:30:43Z","timestamp":1761021043000},"page":"1155-1164","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Cardiac Involvement After Exertional Heatstroke: Short\u2010Term Cardiac\n MRI<\/scp>\n Follow\u2010Up Study"],"prefix":"10.1002","volume":"63","author":[{"given":"Jun","family":"Zhang","sequence":"first","affiliation":[{"name":"Department of Radiology, Jinling Hospital, Affiliated Hospital of Medical School Nanjing University Nanjing Jiangsu 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