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Related Experiment Videos

[Corneal abscess: therapeutic attitude based on microbiological testing]

B Briat1, T Hoang-Xuan

  • 1Service d'Ophtalmologie, CHU Bichat-Claude Bernard, Paris.

Journal Francais D'Ophtalmologie
|January 1, 1996
PubMed
Summary

Prompt Gram stain analysis of bacterial corneal ulcers significantly shortens healing time. Early identification of infectious agents via Gram stain improves outcomes for bacterial keratitis treatment.

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Area of Science:

  • Ophthalmology
  • Microbiology
  • Infectious Diseases

Context:

  • Bacterial corneal ulcers pose a significant threat to ocular integrity.
  • Effective management requires adherence to established treatment protocols.
  • Prompt and accurate diagnosis is crucial for successful outcomes.

Purpose:

  • To evaluate the efficacy of initial antibiotic treatment guided by Gram stain results in bacterial corneal ulcers.
  • To compare healing times in bacterial keratitis based on Gram stain findings.

Summary:

  • A prospective study analyzed 15 bacterial corneal ulcers.
  • Treatment was initiated based on Gram stain results: vancomycin for Gram-positive cocci, gentamicin/ticarcillin for Gram-negative rods.
  • When no bacteria were identified on Gram stain, a combination of all three antibiotics was used.

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Impact:

  • Gram stain and culture results were concordant in all cases.
  • Mean healing time was significantly shorter (13 days) when an infectious agent was identified on Gram stain compared to when it was not (23 days).
  • This strategy enhances the prognosis of bacterial corneal ulcers, highlighting the importance of microbiologist collaboration.