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Cerebrospinal fluid findings in mycoplasma pneumoniae infections with neurological complications

E Maida, W Kristoferitsch

    Acta Neurologica Scandinavica
    |May 1, 1982
    PubMed

    Insights

    Cerebrospinal fluid analysis in patients with Mycoplasma pneumoniae infections reveals distinct immune responses in various neurological complications. Elevated IgM and IgG in CSF, exceeding serum levels, suggest localized immune activation in the central nervous system.

    Area of Science:

    • Neurology
    • Infectious Diseases
    • Immunology

    Background:

    • Mycoplasma pneumoniae is a common pathogen causing respiratory infections.
    • Neurological complications associated with Mycoplasma pneumoniae infections are diverse.
    • Cerebrospinal fluid (CSF) analysis is crucial for diagnosing central nervous system involvement.

    Purpose of the Study:

    • To investigate cerebrospinal fluid (CSF) findings in patients with Mycoplasma pneumoniae infections and various neurological complications.
    • To characterize the immune response in the CSF related to different neurological syndromes.

    Main Methods:

    • Retrospective analysis of CSF profiles from 16 patients with Mycoplasma pneumoniae infection and neurological complications.
    • Assessment of cell counts, immunoglobulin (IgM, IgG) levels, and complement factors in CSF and serum.

    Main Results:

    • Acute meningitis showed a predominantly mononuclear cell reaction with an early IgM to IgG switch.
    • Cranial nerve neuritis and radiculitis presented with decreased complement factors, followed by elevated IgM and cell counts.
    • Guillain-Barré syndrome cases exhibited no IgM but increased IgG levels.
    • CSF IgM and IgG levels consistently exceeded serum levels across all patient groups.

    Conclusions:

    • CSF immune profiles vary significantly depending on the specific neurological complication of Mycoplasma pneumoniae infection.
    • Elevated CSF immunoglobulins suggest localized immune activation within the central nervous system.
    • Pathogenetic mechanisms may differ based on the host's immune status and the stage of infection.

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