BRANHAMELLA CATARRHALIS: SIGNIFICANCE IN PULMONARY INFECTIONS AND BACTERIOLOGICAL FEATURES

J. J. Christensen, O. Gadeberg, B. Bruun

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    Abstrakt

    A three‐month survey revealed 29 patients at our hospital with symptoms of acute pulmonary infection, from whom Branhamella cartarrhalis was isolated from lower respiratory tract specimens, in 18 cases in pure culture. Approximately 2% of all respiratory tract specimens examined during the period yielded growth of B. catarrhalis. All except one patient suffered from chronic pulmonary disease, notably chronic bronchitis. A phenotypic comparison was made between 55 strains of B. catarrhalis, of which 50 were recent isolates from lower respiratory tract specimens, and 23 Neisseria strains representing Neisseria meningitidis, Neisseria gonorrhoeae, Neisseria cinerea, Neisseria flavescens, Neisseria mucosa, Neisseria pharyngis, and Neisseria lactamica. The morphology of B. catarrhalis colonies is very characteristic, and when the diagnosis is suspected, testing for the ability to hydrolyze tributyrin may confirm it within hours. Ability to produce deoxyribonuclease is another property which differentiates B. catarrhalis from the Neisseria species. Otherwise, the combination of nitrate reduction and failure to produce acid from glucose, maltose, and sucrose establishes the diagnosis. 1986 Acta Pathologica, Microbiologica et Immunologica Scandinavica

    OriginalsprogEngelsk
    Sider (fra-til)89-95
    Antal sider7
    TidsskriftActa Pathologica Microbiologica Scandinavica Series B: Microbiology
    Vol/bind94 B
    Udgave nummer1-6
    DOI
    StatusUdgivet - sep. 1986

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