4.2 Article

MPO-ANCA-positive Microscopic Polyangiitis Following COVID-19 Infection

Journal

INTERNAL MEDICINE
Volume 61, Issue 4, Pages 567-570

Publisher

JAPAN SOC INTERNAL MEDICINE
DOI: 10.2169/internalmedicine.8615-21

Keywords

vasculitis; MPO-ANCA; COVID-19; SARS-CoV-2; rapidly progressive glomerulonephritis

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Antineutrophil cytoplasmic antibody-associated vasculitis (AAV) is a systemic disease that can occur after COVID-19 infection. The immune response triggered by the infection may lead to more severe symptoms, highlighting the importance of vaccination and education on standard precautions.
Antineutrophil cytoplasmic antibody-associated vasculitis (AAV) is a systemic disease that causes vasculitis in various organs. Although the cause of the onset is unknown, infection has been reported to be a causative factor. The subsequent cytokine storm triggered by the immune response against SARS-CoV-2 infection has been reported to lead to symptoms being more severe. We herein report our experience with the onset of AAV following COVID-19 infection. We also report the course of anti-SARS-CoV-2 serum antibody titers following induction therapy, which suggests that vaccination and education concerning standard precautions arc necessary in patients who require immunosuppressive therapy, even after COVID-19 infection.

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