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Related Experiment Videos

Bacterial meningitis presenting with normal cerebrospinal fluid.

D B Polk1, R W Steele

  • 1Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock.

The Pediatric Infectious Disease Journal
|November 1, 1987
PubMed
Summary

Bacterial meningitis can present with normal initial cerebrospinal fluid tests. Physicians must rely on clinical judgment for empiric antibiotic therapy in pediatric meningitis cases when initial tests are inconclusive.

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Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Clinical Microbiology

Background:

  • Bacterial meningitis is a serious infection in children.
  • Diagnosis can be challenging when initial cerebrospinal fluid (CSF) analysis appears normal.
  • Early empiric antibiotic therapy is crucial for favorable outcomes.

Purpose of the Study:

  • To identify clinical or laboratory findings associated with bacterial meningitis in pediatric patients presenting with normal initial CSF analysis (excluding culture and antigen detection).
  • To evaluate the utility of routine laboratory parameters in guiding management decisions for these specific cases.

Main Methods:

  • Retrospective review of pediatric meningitis cases over a 5-year period (January 1980 - December 1985) at a large children's hospital.
  • Inclusion criteria: bacterial meningitis with normal initial CSF findings apart from culture or antigen detection.

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  • Analysis of clinical presentation and laboratory parameters (CBC, ESR, CRP) for 7 identified patients.

    • Main Results:

    • Seven out of 261 pediatric meningitis patients (2.7%) met the study criteria.
    • Patients ranged in age from 3 weeks to 18 months.
    • CSF antigen detection assays were negative in all but one case (pneumococcal meningitis).
    • Routine laboratory parameters did not significantly influence management decisions.

    Conclusions:

    • No unique indicators for bacterial meningitis were identified in cases with normal initial CSF parameters.
    • Clinical judgment remains paramount for initiating empiric antimicrobial therapy in pediatric meningitis when CSF analysis is initially unrevealing.
    • The study highlights the diagnostic challenges and reliance on clinical acumen in specific pediatric meningitis presentations.