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  • Title: Meningococcal pericarditis caused by the MenW:cc11 strain in an older adult.
    Author: Moerman G, Verleyen D, Rogiers P, Hoste J, Mattheus W, Floré K.
    Journal: Acta Clin Belg; 2023 Jun; 78(3):254-256. PubMed ID: 35904255.
    Abstract:
    INTRODUCTION: Invasive meningococcal disease (IMD) caused by Neisseria meningitidis is a disease with a high mortality and morbidity rate. Serogroup W meningococci (MenW) used to be associated with sporadic disease worldwide. In recent years, a surge in MenW incidence is being observed. REPORT: An older adult presenting with acute onset shortness of breath, chest pain and fever, was diagnosed with pericarditis with meningococcemia due to MenW:ST11 strain. MenW infections are reported to have a higher case fatality rate and atypical clinical presentations: MenW has been identified in patients presenting with pneumonia, gastro-intestinal symptoms, arthritis, and pericarditis. DISCUSSION: In Belgium, the National Reference Laboratory is also noticing an increase in serogroup Wmeningococcal disease. Recent epidemiological data for Belgium is reported in the article. MenW infections are reported to have a higher case fatality rate and atypical clinical presentations: MenW has been identified in patients presenting with pneumonia, gastro-intestinal symptoms, arthritis, and pericarditis. CONCLUSION: When factors for poor prognosis are present in patients with pericarditi clinicians should be vigilant and search for the underlying aetiology .
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