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Related Experiment Videos

Gram-negative bacillary meningitis.

R J Mangi, R Quintiliani, V T Andriole

    The American Journal of Medicine
    |December 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    Gram-negative bacillary meningitis is a serious hospital-acquired infection. Escherichia coli and Klebsiella species are common causes, particularly in neonates and older patients, respectively, with a high mortality rate.

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    Area of Science:

    • Infectious Diseases
    • Neurology
    • Hospital Epidemiology

    Background:

    • Gram-negative bacillary meningitis (GNBM) represents a significant challenge in hospital settings.
    • It is particularly prevalent in neonatal and neurosurgical patient populations.
    • Understanding the epidemiology and causative agents is crucial for effective management.

    Purpose of the Study:

    • To retrospectively analyze cases of unusual Gram-negative bacillary meningitis.
    • To determine the incidence, common pathogens, and mortality associated with GNBM.
    • To identify risk factors and modes of acquisition for GNBM.

    Main Methods:

    • Retrospective analysis of all GNBM cases over a five-year period at a university hospital.
    • Categorization of cases by patient age, neurosurgical status, and neonatal status.

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  • Identification and analysis of bacterial isolates, focusing on Escherichia coli and Klebsiella species.

    • Main Results:

    • GNBM accounted for 4.2% of all bacterial meningitis cases, 69% of neurosurgical cases, and 42% of neonatal cases.
    • Overall mortality rate was 40.3%.
    • Escherichia coli was the most common isolate in patients <1 year, while Klebsiella species predominated in patients >1 year.

    Conclusions:

    • GNBM is a significant nosocomial infection, especially in vulnerable patient groups.
    • Early suspicion and diagnosis are vital for patients developing CNS infections in hospitals.
    • Targeted antimicrobial strategies based on common pathogens like E. coli and Klebsiella are essential.