Severe COVID-19 increases risk of future cardiovascular events Coronavirus Disease COVID HeartDisease Cardiology CIDJournal Pfizer
By Dr. Priyom Bose, Ph.D.Aug 24 2022Reviewed by Benedette Cuffari, M.Sc. To date, the severe acute respiratory syndrome coronavirus 2 , which is the virus responsible for the coronavirus disease 2019 , has infected over 603 million individuals and claimed more than 6.4 million lives worldwide.
Background Even though multisystem inflammatory syndrome is the most common PASC syndrome in adults and children, a wide range of other symptoms, including sleep difficulties, persistent fatigue, type 1 diabetes, and neurological disorders, have been reported. The incidence of these symptoms varies from one person to another based on their demographic and clinical characteristics.
Study findings A retrospective cohort study was performed using nationwide health insurance claims data of adults from the United States Health Verity Real-Time Insights and Evidence database. Increased COVID-19 severity was found to enhance the risk of developing subsequent CVEs among individuals without a cardiac history in previous years.
Related StoriesIn younger adults, the incidence of cardiovascular sequelae was lower as compared to older adults. Aside from CVEs, other severe outcomes, such as thrombotic events and cerebrovascular accidents, were observed in patients who recovered from severe COVID-19. However, such observations were less likely in COVID-19 patients who required only outpatient care.
The findings of the present study are consistent with previous research that has reported a higher incidence of myocarditis and pericarditis in patients who recovered from severe SARS-CoV-2 infection. Nevertheless, it was observed that elevated cardiovascular risk after acute infection may not be exclusive to COVID-19.
Another mechanism related to the development of CVEs following recovery from COVID-19 is an autoimmune response to cardiac antigens that causes delayed damage to cardiac tissues. Anti-heart antibodies also correlated with cardiovascular manifestation and COVID-19.
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