{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T11:26:34Z","timestamp":1785583594282,"version":"3.56.0"},"reference-count":43,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"20","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["JAHA"],"published-print":{"date-parts":[[2023,10,17]]},"abstract":"<jats:sec sec-type=\"background\" xml:lang=\"en\">\n            <jats:title>Background<\/jats:title>\n            <jats:p xml:lang=\"en\">Acute pericarditis (AP) is considered a cardiovascular complication in patients with COVID\u201019. We aimed to ass\u2010ess the incidence, associated complications, and clinical impact of AP on hospitalized patients with COVID\u201019.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec xml:lang=\"en\">\n            <jats:title>Methods and Results<\/jats:title>\n            <jats:p xml:lang=\"en\">\n              In this retrospective cohort study,\n              <jats:italic>International Classification of Diseases, Tenthth Revision, Clinical Modification<\/jats:italic>\n              (\n              <jats:italic>ICD\u201010<\/jats:italic>\n              ) codes were used to identify patients with COVID\u201019 with or without AP in the National Inpatient Sample 2020 database. We compared outcomes between AP and non\u2010AP groups before and after propensity\u2010score matching for patient and hospital demographics and relevant comorbidities. A total of 211\u2009619 patients with a primary diagnosis of COVID\u201019 were identified, including 983 (0.46%) patients who had a secondary diagnosis of AP. Before matching, patients with COVID\u201019 with AP were younger (59.93\u00b119.24\u2009years old versus 64.29\u00b116.82\u2009years old) and more likely to have anemia (40.5% versus 19.9%), cancer (6.7% versus 3.6%), and chronic kidney disease (29.3% versus 19.6%) (all\n              <jats:italic>P<\/jats:italic>\n              &lt;0.05). After matching, patients with COVID\u201019 with AP (n=980), when compared with the matched non\u2010AP group (n=2936), had higher rates of mortality (21.3% versus 11.1%,\n              <jats:italic>P<\/jats:italic>\n              &lt;0.001), cardiac arrest (5.0% versus 2.6%,\n              <jats:italic>P<\/jats:italic>\n              &lt;0.001), cardiogenic shock (4.2% versus 0.5%,\n              <jats:italic>P<\/jats:italic>\n              &lt;0.001), ventricular arrhythmia (4.7% versus 1.9%,\n              <jats:italic>P<\/jats:italic>\n              &lt;0.001), acute kidney injury (38.3% versus 28.9%,\n              <jats:italic>P<\/jats:italic>\n              &lt;0.001), acute congestive heart failure (14.3% versus 4.8%,\n              <jats:italic>P<\/jats:italic>\n              &lt;0.001), and longer length of stay (7.00\u00b110.00\u2009days versus 5.00\u00b17.00\u2009days,\n              <jats:italic>P<\/jats:italic>\n              &lt;0.001) and higher total charges ($75066.5\u00b1$130831.3 versus $44824.0\u00b1$63660.5,\n              <jats:italic>P<\/jats:italic>\n              &lt;0.001).\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec xml:lang=\"en\">\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p xml:lang=\"en\">In hospitalized patients with COVID\u201019, AP is a rare but severe in\u2010hospital complication and is associated with worse in\u2010hospital outcomes.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1161\/jaha.122.028970","type":"journal-article","created":{"date-parts":[[2023,10,10]],"date-time":"2023-10-10T10:42:17Z","timestamp":1696934537000},"update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":12,"title":["Incidence and Impact of Acute Pericarditis in Hospitalized Patients With COVID\u201019"],"prefix":"10.1161","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2272-9102","authenticated-orcid":false,"given":"Pengyang","family":"Li","sequence":"first","affiliation":[{"name":"Division of Cardiology, Pauley Heart Center Virginia Commonwealth University Richmond VA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2970-4832","authenticated-orcid":false,"given":"Ao","family":"Shi","sequence":"additional","affiliation":[{"name":"Faculty of Medicine St. George University of London London United Kingdom"},{"name":"University of Nicosia Medical School University of Nicosia Cyprus"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-2791-5233","authenticated-orcid":false,"given":"Xiaojia","family":"Lu","sequence":"additional","affiliation":[{"name":"Department of Cardiology The First Affiliated Hospital of Shantou University Medical College Shantou Guangdong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chenlin","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Cardiology The First Affiliated Hospital of Shantou University Medical College Shantou Guangdong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2186-7709","authenticated-orcid":false,"given":"Peng","family":"Cai","sequence":"additional","affiliation":[{"name":"Department of Mathematical Sciences Worcester Polytechnic Institute Worcester MA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1138-6757","authenticated-orcid":false,"given":"Catherine","family":"Teng","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine University of Texas San Antonio San Antonio TX 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