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Myocarditis and Pericarditis After COVID-19 mRNA Vaccination: Practical Considerations for Care Providers.
Luk, Adriana; Clarke, Brian; Dahdah, Nagib; Ducharme, Anique; Krahn, Andrew; McCrindle, Brian; Mizzi, Trent; Naus, Monika; Udell, Jacob A; Virani, Sean; Zieroth, Shelley; McDonald, Michael.
  • Luk A; Division of Cardiology, Peter Munk Cardiac Centre, University Health Network, Toronto, Ontario, Canada; Division of Cardiology, Mount Sinai Hospital, Sinai Health System, Toronto, Ontario, Canada.
  • Clarke B; Libin Cardiovascular Institute, Foothills Medical Centre, Calgary, Alberta, Canada.
  • Dahdah N; Division of Pediatric Cardiology, Department of Pediatrics, CHU Sainte Justine, University of Montreal, Montreal, Quebec, Canada.
  • Ducharme A; Institut de Cardiologie de Montréal, Université de Montréal, Montréal, Québec, Canada.
  • Krahn A; Center for Cardiovascular Innovation, Division of Cardiology, University of British Columbia, Vancouver, British Columbia, Canada.
  • McCrindle B; The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada.
  • Mizzi T; Division of Pediatric Emergency Medicine, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada.
  • Naus M; Communicable Diseases and Immunization Service, British Columbia Centre for Disease Control, Vancouver, British Columbia, Canada; School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada.
  • Udell JA; Division of Cardiology, Women's College Hospital and Peter Munk Cardiac Centre, University Health Network, Toronto, Ontario, Canada.
  • Virani S; Center for Cardiovascular Innovation, Division of Cardiology, University of British Columbia, Vancouver, British Columbia, Canada.
  • Zieroth S; University of Manitoba, Winnipeg, Manitoba, Canada.
  • McDonald M; Division of Cardiology, Peter Munk Cardiac Centre, University Health Network, Toronto, Ontario, Canada. Electronic address: michael.mcdonald@uhn.ca.
Can J Cardiol ; 37(10): 1629-1634, 2021 10.
Article in English | MEDLINE | ID: covidwho-1406216
ABSTRACT
The mRNA vaccines against COVID-19 infection have been effective in reducing the number of symptomatic cases worldwide. With widespread uptake, case series of vaccine-related myocarditis/pericarditis have been reported, particularly in adolescents and young adults. Men tend to be affected with greater frequency, and symptom onset is usually within 1 week after vaccination. Clinical course appears to be mild in most cases. On the basis of the available evidence, we highlight a clinical framework to guide providers on how to assess, investigate, diagnose, and report suspected and confirmed cases. In any patient with highly suggestive symptoms temporally related to COVID-19 mRNA vaccination, standardized workup includes serum troponin measurement and polymerase chain reaction testing for COVID-19 infection, routine additional lab work, and a 12-lead electrocardiogram. Echocardiography is recommended as the imaging modality of choice for patients with unexplained troponin elevation and/or pathologic electrocardiogram changes. Cardiovascular specialist consultation and hospitalization should be considered on the basis of the results of standard investigations. Treatment is largely supportive, and myocarditis/pericarditis that is diagnosed according to defined clinical criteria should be reported to public health authorities in every jurisdiction. Finally, we recommend COVID-19 vaccination in all individuals in accordance with the Health Canada and National Advisory Committee on Immunization guidelines. In patients with suspected myocarditis/pericarditis after the first dose of an mRNA vaccine, deferral of a second dose is recommended until additional reports become available.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pericarditis / Risk Management / COVID-19 Vaccines / COVID-19 / MRNA Vaccines / Myocarditis Type of study: Diagnostic study / Observational study / Prognostic study Topics: Vaccines Limits: Adult / Female / Humans / Male / Young adult Country/Region as subject: North America Language: English Journal: Can J Cardiol Journal subject: Cardiology Year: 2021 Document Type: Article Affiliation country: J.cjca.2021.08.001

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pericarditis / Risk Management / COVID-19 Vaccines / COVID-19 / MRNA Vaccines / Myocarditis Type of study: Diagnostic study / Observational study / Prognostic study Topics: Vaccines Limits: Adult / Female / Humans / Male / Young adult Country/Region as subject: North America Language: English Journal: Can J Cardiol Journal subject: Cardiology Year: 2021 Document Type: Article Affiliation country: J.cjca.2021.08.001