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Published on: April 18, 2019
Antimicrobial agents in the treatment of bacterial meningitis
Scott W Sinner1, Allan R Tunkel
1Division of Infectious Diseases, Drexel University College of Medicine, 245 North 15th Street, Mail Stop 487, Philadelphia, PA 19102-1101, USA.
Abstract:
The use of antimicrobial agents in the treatment of acute bacterial meningitis has undergone significant changes in recent years. There is a wealth of in vitro and animal model data that support the use of the specific antimicrobial agents in the treatment of bacterial meningitis, although not all regimens have been evaluated in clinical trials. Recent investigations have focused on expanding the potential antimicrobial formulary to manage patients with bacterial meningitis effectively in this era of increasing antimicrobial resistance. Despite these advances, the morbidity and mortality of acute bacterial meningitis remain unacceptably high. The use of adjunctive dexamethasone has been shown to improve morbidity and mortality in patients with bacterial meningitis, although concerns have been raised that dexamethasone may reduce penetration of certain antimicrobial agents into cerebrospinal fluid.
Insights
Effective treatment for bacterial meningitis requires careful selection of antimicrobial agents, especially with rising resistance. Adjunctive dexamethasone may improve outcomes but can impact antimicrobial penetration into cerebrospinal fluid.
Area of Science:
- Infectious Diseases
- Pharmacology
- Neurology
Background:
- Acute bacterial meningitis treatment has evolved significantly.
- Increasing antimicrobial resistance necessitates expanded treatment options.
- High morbidity and mortality rates persist despite advances.
Purpose of the Study:
- To review current antimicrobial strategies for bacterial meningitis.
- To explore new antimicrobial agents in light of resistance.
- To evaluate the role and potential impact of adjunctive dexamethasone.
Main Methods:
- Review of in vitro and animal model data.
- Analysis of clinical trial data on antimicrobial regimens.
- Assessment of studies on adjunctive dexamethasone in meningitis.
Main Results:
- Extensive data support specific antimicrobial agents for meningitis.
- Clinical trial evaluations are not available for all regimens.
- Dexamethasone improves outcomes but may reduce antimicrobial cerebrospinal fluid penetration.
Conclusions:
- Optimizing antimicrobial selection is crucial for bacterial meningitis.
- Emerging resistance requires continuous development of new agents.
- Balancing dexamethasone's benefits with potential antimicrobial interference is key.
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