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Acute Bacterial Meningitis: Challenges to Better Antibiotic Therapy

Colin Kietzman1, Elaine Tuomanen1

  • 1Department of Infectious Diseases , St. Jude Children's Research Hospital , 262 Danny Thomas Place , Memphis , Tennessee 38105 , United States.

ACS Infectious Diseases
|July 4, 2019
PubMed

Insights

Treating bacterial meningitis requires antibiotics that penetrate the blood-brain barrier and overcome bacterial resistance or tolerance. Lytic debris also necessitates managing inflammation to prevent neuronal damage.

Area of Science:

  • Infectious Diseases
  • Neuroscience
  • Pharmacology

Background:

  • Bacterial meningitis is a critical medical emergency demanding effective antibiotic treatment.
  • Optimal patient outcomes are hindered by several challenges in treating this condition.

Purpose of the Study:

  • To outline the multifaceted challenges in achieving successful therapeutic outcomes for bacterial meningitis.
  • To highlight the unique pharmacokinetic and pharmacodynamic considerations for antibiotic treatment in the central nervous system.

Main Methods:

  • Review of existing literature on bacterial meningitis treatment.
  • Analysis of antibiotic penetration across the blood-brain barrier.
  • Examination of bacterial resistance and tolerance mechanisms in cerebrospinal fluid.
  • Evaluation of inflammatory responses to antibiotic-induced bacterial lysis.

Main Results:

  • Antibiotics must effectively cross the blood-brain barrier to reach therapeutic concentrations.
  • Bacterial tolerance, due to slow growth in cerebrospinal fluid, complicates eradication.
  • Bacterial lysis releases inflammatory debris, potentially causing neuronal damage.

Conclusions:

  • Bacterial meningitis treatment necessitates overcoming challenges related to drug delivery, antimicrobial resistance/tolerance, and inflammation.
  • Adjunctive therapies may be required to mitigate damage from inflammatory byproducts of bacteriolytic treatments.
  • These challenges exemplify the site-specific complexities in antimicrobial therapy.
Keywords:
adjunctive therapyautolysisneuronal deathpneumococcustolerance

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