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  • Title: The viral aetiology of croup and recurrent croup.
    Author: Wall SR, Wat D, Spiller OB, Gelder CM, Kotecha S, Doull IJ.
    Journal: Arch Dis Child; 2009 May; 94(5):359-60. PubMed ID: 18801765.
    Abstract:
    BACKGROUND: Historically croup was subdivided into classic "viral" croup with associated viral upper respiratory tract infections, and recurrent or spasmodic croup where asthma and allergies were thought more important. METHODS: All children admitted to the University Hospital of Wales with croup in 2003 were eligible. Baseline demographics including croup score were recorded and per-nasal swabs taken for virus detection by RT-PCR. Recurrent croup was defined as at least one other admission for croup in the preceding or following 3 years. RESULTS: Sixty (29.4%) children entered the study, and a viral pathogen was detected in 41 (68%). There was no significant difference in the rate of virus detection between those with single episode croup and recurrent croup. CONCLUSIONS: The aetiologies of viral and recurrent croup appear similar.
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