Long COVID-19 Cardiac Complications Are Associated With Autoimmunity to Cardiac Self-Antigens Sufficient to Cause Cardiac Dysfunction

The study investigates the role of autoimmunity in cardiac complications associated with long COVID-19. Researchers identified autoantibodies targeting cardiac self-antigens in patients with long COVID-19, suggesting an autoimmune response. These autoantibodies were found to induce cardiac dysfunction in animal models, indicating a potential mechanism for long-term cardiac issues post-COVID-19. The findings highlight the importance of monitoring and managing cardiac health in individuals recovering from COVID-19.