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  • Title: [Churg-Strauss syndrome].
    Author: Cottin V, Cordier JF.
    Journal: Rev Pneumol Clin; 2003 Feb; 59(1):17-24. PubMed ID: 12717322.
    Abstract:
    Churg-Strauss syndrome is a vasculitis associated with asthma and eosinophilia. Respiratory involvement is marked by generally severe and often steroid-dependent late-onset asthma associated with allergic rhinitis and sometimes nasal polyposis and recurrent sinusitis. Asthma generally precedes the systemic vasculitis by a few years. General signs, eosinophilic gastroenteritis, peripheral multiplex neuropathy, cutaneous vasculitis, nephropathy, or arthromyalgia, predominate. Cardiac involvement is often silent but of severe prognosis. The chest X-ray usually shows irregularly delimited and sometimes labile infiltrates. Perinuclear antineutrophil cytoplasmic autoantibodies (ANCA) are found in two-thirds of the patients and strongly suggest the diagnosis. Clinically, the diagnosis is established by the presence of asthma, peripheral eosinophilia > 1.5 G/L, and systemic vasculitis involving at least two extra-pulmonary organs. Histological confirmation is usually necessary (nerve and muscle biopsy), showing small-vessel eosinophilic vasculitis, tissue infiltration with eosinophils, and eosinophilic granulomas. Treatment includes corticosteroids, which should be associated with immunosuppressive agents (cyclophosphamide) in severe cases.
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