{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,5]],"date-time":"2026-09-05T09:45:40Z","timestamp":1788601540817,"version":"build-2803163510"},"reference-count":107,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2022,7,15]],"date-time":"2022-07-15T00:00:00Z","timestamp":1657843200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Myopericarditis is a rare complication of influenza infection. The presentation may range from mild and frequently unrecognized, to fulminant and potentially complicated by cardiogenic and\/or obstructive shock (tamponade), which is associated with high mortality. We performed a review of literature on all influenza pericarditis and myopericarditis cases according to PRISMA guidelines using the PubMed search engine of the Medline database. Seventy-five cases of influenza myopericarditis and isolated pericarditis were identified from 1951 to 2021. Influenza A was reported twice as often as influenza B; however, influenza type did not correlate with outcome. Men and elderly patients were more likely to have isolated pericarditis, while women and younger patients were more likely to have myopericarditis. All included patients had pericardial effusion, while 36% had tamponade. Tamponade was more common in those with isolated pericarditis (41.2%) than myopericarditis (13.8%). Cardiogenic shock was more common in patients with myopericarditis (64%), with an overall mortality rate of 14.7%. Nearly 88% of the recovered patients remained without long-term complications reported. Conclusion: Influenza A appears a more common cause of pericarditis and myopericarditis. Isolated pericarditis was more commonly associated with tamponade but without reported deaths, whereas myopericarditis was more commonly associated with cardiogenic shock and death (19%).<\/jats:p>","DOI":"10.3390\/jcm11144123","type":"journal-article","created":{"date-parts":[[2022,7,17]],"date-time":"2022-07-17T22:57:06Z","timestamp":1658098626000},"page":"4123","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":43,"title":["Influenza Myopericarditis and Pericarditis: A Literature Review"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9692-8772","authenticated-orcid":false,"given":"Milan","family":"Radovanovic","sequence":"first","affiliation":[{"name":"Mayo Clinic Alix School of Medicine, Rochester, MN 55905, USA"},{"name":"Department of Hospital Medicine, Mayo Clinic Health System, Eau Claire, WI 54703, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marija","family":"Petrovic","sequence":"additional","affiliation":[{"name":"Icahn School of Medicine at Mount Sinai, New York City, NY 10029, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michel K.","family":"Barsoum","sequence":"additional","affiliation":[{"name":"Mayo Clinic Alix School of Medicine, Rochester, MN 55905, USA"},{"name":"Department of Cardiology, Mayo Clinic Health System, Eau Claire, WI 54703, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Charles W.","family":"Nordstrom","sequence":"additional","affiliation":[{"name":"Mayo Clinic Alix School of Medicine, Rochester, MN 55905, USA"},{"name":"Department of Hospital Medicine, Mayo Clinic Health System, Eau Claire, WI 54703, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0469-2847","authenticated-orcid":false,"given":"Andrew D.","family":"Calvin","sequence":"additional","affiliation":[{"name":"Mayo Clinic Alix School of Medicine, Rochester, MN 55905, USA"},{"name":"Department of Cardiology, Mayo Clinic Health System, Eau Claire, WI 54703, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5312-8812","authenticated-orcid":false,"given":"Igor","family":"Dumic","sequence":"additional","affiliation":[{"name":"Mayo Clinic Alix School of Medicine, Rochester, MN 55905, USA"},{"name":"Department of Hospital Medicine, Mayo Clinic Health System, Eau Claire, WI 54703, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3790-3951","authenticated-orcid":false,"given":"Dorde","family":"Jevtic","sequence":"additional","affiliation":[{"name":"Icahn School of Medicine at Mount Sinai, New York City, NY 10029, USA"},{"name":"Department of Internal Medicine, Elmhurst Hospital Center, Elmhurst, NY 11373, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richard D.","family":"Hanna","sequence":"additional","affiliation":[{"name":"Mayo Clinic Alix School of Medicine, Rochester, MN 55905, USA"},{"name":"Department of Cardiology, Mayo Clinic Health System, Eau Claire, WI 54703, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,7,15]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"163","DOI":"10.1016\/j.tcm.2020.12.007","article-title":"Viral myocarditis: 1917\u20132020: From the Influenza A to the COVID-19 pandemics","volume":"31","author":"Rezkalla","year":"2021","journal-title":"Trends Cardiovasc. 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