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Antimicrobial therapy and case fatality in meningococcal disease
A Halstensen1, S E Vollset, B Haneberg
1Medical Department B, University of Bergen, Norway.
Scandinavian Journal of Infectious Diseases
|January 1, 1987
Summary
Initial antimicrobial treatment for meningococcal disease impacts case fatality rate (CFR). While chloramphenicol showed promise, its benefit was marginal after adjusting for patient severity, suggesting further research is needed.
Area of Science:
- Infectious Diseases
- Clinical Microbiology
- Pharmacology
Background:
- Meningococcal disease remains a significant cause of morbidity and mortality worldwide.
- Optimal initial antimicrobial therapy for meningococcal disease is crucial for improving patient outcomes.
- Previous studies have suggested varying efficacy of different antimicrobial regimens.
Purpose of the Study:
- To evaluate the impact of initial antimicrobial treatments, specifically chloramphenicol and benzylpenicillin dosing, on the case fatality rate (CFR) in patients with meningococcal disease.
- To determine if the observed differences in CFR are statistically significant after accounting for disease severity.
Main Methods:
- A retrospective analysis of 112 consecutive patients diagnosed with meningococcal disease.
- Comparison of CFR between patients receiving chloramphenicol versus those not receiving it.
- Assessment of the influence of benzylpenicillin dosage on CFR.
- Statistical adjustment for disease severity at hospital admission.
Main Results:
- The overall case fatality rate (CFR) was 9.8%.
- Patients initially treated with chloramphenicol had a lower CFR (5%) compared to those without (26%; p = 0.004).
- After adjusting for disease severity, the difference in CFR favoring chloramphenicol became non-significant (p = 0.58).
- Higher doses of benzylpenicillin were associated with a higher CFR, but this difference was not statistically significant (p = 0.22).
Conclusions:
- Initial treatment with chloramphenicol may be associated with a lower CFR in meningococcal disease, but this effect is diminished when adjusted for disease severity.
- Benzylpenicillin dosage may influence outcomes, though not significantly in this study.
- Further extensive research is warranted to definitively establish the roles of benzylpenicillin doses and chloramphenicol in managing meningococcal disease.