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Related Experiment Videos

[Tonsil diffusion of cefixime in children].

P Bégué1, N Garabedian, B Quinet

  • 1Service de Consultation et de Pathologie Infectieuse de l'Enfant, Paris.

Pathologie-Biologie
|May 1, 1989
PubMed
Summary
This summary is machine-generated.

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Cefixime, a broad-spectrum antibiotic, showed variable penetration into children's tonsils. Detectable levels were inconsistent, suggesting potential diffusion challenges in tonsil tissue.

Area of Science:

  • Pharmacology
  • Microbiology
  • Pediatrics

Context:

  • Cefixime is a third-generation cephalosporin antibiotic with broad-spectrum activity, particularly against beta-lactamase-producing bacteria.
  • Tonsillitis is a common pediatric condition often treated with antibiotics.

Purpose:

  • To evaluate the penetration and concentration of cefixime in human tonsil tissue following oral administration in children.
  • To assess the variability of cefixime levels in tonsils and correlate with plasma concentrations.

Summary:

  • Cefixime levels were measured in the tonsils of 21 children undergoing tonsillectomy after receiving cefixime.
  • Mean plasma levels were 0.84 µg/mL after the second dose and 1.24 µg/mL during the third dose.
  • Tonsil concentrations ranged from 0.53 to 0.74 µg/g, with cefixime undetectable in 6 children and only one tonsil in 11 others.

Related Experiment Videos

  • Detectable tonsil penetration averaged approximately 1 µg/g, but was irregular, potentially due to tonsil fibrosis hindering diffusion.

    • Impact:

    • Findings suggest that cefixime's penetration into tonsil tissue can be variable and potentially limited by tissue characteristics.
    • This variability may impact the efficacy of cefixime in treating tonsillar infections, especially in cases with fibrotic tissue.
    • Further research may be needed to optimize antibiotic selection and dosing for tonsillar infections.