Role of cerebrospinal fluid IL-8 as a marker for differentiation between acute bacterial and aseptic meningitis

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Updated: Apr 27, 2026

A Choroid Plexus Epithelial Cell-based Model of the Human Blood-Cerebrospinal Fluid Barrier to Study Bacterial Infection from the Basolateral Side
09:58

A Choroid Plexus Epithelial Cell-based Model of the Human Blood-Cerebrospinal Fluid Barrier to Study Bacterial Infection from the Basolateral Side

Published on: May 6, 2016

13.7K

Amal Tohamy Abdelmoez, Doaa Zakaria Zaky, Amany M Maher

    Journal of the Egyptian Society of Parasitology
    |June 26, 2014
    PubMed

    Insights

    Distinguishing bacterial meningitis from aseptic meningitis is crucial. Cerebrospinal fluid IL-8 shows promise as a biomarker for early diagnosis, helping to reduce unnecessary antibiotic use.

    Area of Science:

    • Neurology
    • Infectious Diseases
    • Biomarker Discovery

    Background:

    • Accurate differentiation between bacterial meningitis and aseptic meningitis is essential in emergency settings.
    • Unnecessary antibiotic administration and prolonged hospital stays are common challenges in managing meningitis.

    Purpose of the Study:

    • To evaluate the diagnostic utility of cerebrospinal fluid (CSF) Interleukin-8 (IL-8) in distinguishing acute bacterial meningitis (ABM) from aseptic meningitis (AM).

    Main Methods:

    • A cohort of 80 hospitalized patients with suspected meningitis underwent CSF IL-8 concentration analysis.
    • Statistical analysis was performed to determine the correlation between IL-8 levels and meningitis type.

    Main Results:

    • CSF IL-8 levels were significantly higher in patients with ABM compared to those with AM (p < 0.05).
    • A CSF IL-8 cut-off value of 3.6 ng/ml demonstrated a sensitivity of 82.5% and a specificity of 85.0% for diagnosing bacterial meningitis.

    Conclusions:

    • CSF IL-8 is a valuable biomarker for differentiating ABM from AM.
    • Utilizing CSF IL-8 levels can aid in the early and accurate diagnosis of bacterial meningitis, potentially optimizing treatment strategies.

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