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Related Experiment Videos

[Tonsillar diffusion of cefixime in children].

P Bégué1, N Garabédian, B Quinet

  • 1Service de Consultation et de Pathologie infectieuse de l'Enfant, Hôpital Trousseau, Paris.

Presse Medicale (Paris, France : 1983)
|October 11, 1989
PubMed
Summary

Cefixime tissue penetration into children's tonsils was variable, with detectable levels averaging around 1 microgram/g. This irregular diffusion may be influenced by tonsillar fibrosis, impacting antibiotic efficacy.

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Area of Science:

  • Pharmacology
  • Microbiology
  • Otolaryngology

Context:

  • Pediatric tonsillectomy procedures provide an opportunity to study antibiotic tissue penetration.
  • Cefixime is a third-generation cephalosporin antibiotic commonly used for bacterial infections.

Purpose:

  • To quantify cefixime concentrations in human tonsil tissue following oral administration.
  • To assess the variability and factors influencing cefixime penetration into tonsils.

Summary:

  • Cefixime levels were measured in tonsils of children undergoing tonsillectomy after a specific dosing regimen.
  • Detectable cefixime concentrations in tonsil tissue averaged approximately 1 microgram/g.
  • Antibiotic detection was inconsistent, with absence in one or both tonsils in a significant number of children.
  • Tonsillar fibrosis was identified as a potential factor limiting cefixime diffusion.

Impact:

  • Provides crucial data on the pharmacokinetic profile of cefixime in a relevant human tissue.
  • Highlights the challenges in achieving consistent therapeutic antibiotic levels in tonsillar tissue.
  • Informs clinical decisions regarding the use of cefixime for tonsillar infections and the potential need for alternative treatments.

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