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Related Experiment Videos

[Diffusion of ceftriaxone into the human brain].

G Dorche1, F Lucht, A M Bertrand

  • 1Services de Bactériologie, Hôpital Bellevue, CHRU Saint-Etienne, France.

Pathologie-Biologie
|June 1, 1990
PubMed
Summary

Ceftriaxone penetrates the brain at low levels but may be sufficient to treat cerebral abscesses. Further studies are warranted for this antibiotic in brain infections.

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Area of Science:

  • Pharmacokinetics
  • Neuroscience
  • Infectious Diseases

Context:

  • Cerebral tumors often necessitate neurosurgery, increasing infection risk.
  • Cerebral abscesses require effective antibiotic penetration for successful treatment.
  • Limited data exists on ceftriaxone brain penetration in neurosurgical patients.

Purpose:

  • To quantify ceftriaxone penetration into human brain tissue.
  • To assess the potential therapeutic efficacy of ceftriaxone against common cerebral pathogens.

Summary:

  • Seventeen patients received 2g of ceftriaxone intravenously before neurosurgery.
  • Cerebrospinal fluid and non-tumoral brain tissue ceftriaxone levels were measured.
  • Mean brain tissue concentration was 1.63 mcg/g, with a brain-to-serum ratio of approximately 2%.

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Impact:

  • Achieved brain concentrations suggest potential efficacy against >75% of bacteria found in cerebral abscesses.
  • Results support further clinical trials of ceftriaxone for treating bacterial brain infections.
  • Ceftriaxone may be considered as part of combination therapy for complex or resistant cerebral infections.