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Related Experiment Videos

[Perioperative conjunctival flora]

J Herde1, M Tost, D Wilhelms

  • 1Klinik und Poliklinik für Augenheilkunde, Medizinische Fakultät, Martin-Luther-Universität Halle-Wittenberg.

Klinische Monatsblatter Fur Augenheilkunde
|July 1, 1996
PubMed
Summary
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Preoperative conjunctival cultures are crucial for preventing eye infections after surgery. While the bacterial flora fluctuates, identifying pathogens like Staphylococcus epidermidis aids in timely treatment.

Area of Science:

  • Ophthalmology
  • Microbiology
  • Surgical Infection Prevention

Context:

  • The conjunctival flora plays a critical role in preventing post-intraocular operation infections.
  • Understanding perioperative bacterial presence is essential despite negative pre-operative cultures.

Purpose:

  • To prospectively investigate the perioperative bacterial status of the conjunctiva in patients undergoing intraocular surgery.
  • To assess the correlation between lysozyme concentration and positive conjunctival cultures.

Summary:

  • A prospective study of 105 patients revealed 18.4% positive conjunctival cultures, predominantly Staphylococcus epidermidis.
  • Positive cultures increased from admission (12.4%) to the morning of surgery (31.7%), then decreased postoperatively.
  • No statistical correlation was found between lacrimal lysozyme concentration and positive cultures.

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Impact:

  • Highlights the importance of preoperative conjunctival diagnostics for preventing postoperative endophthalmitis.
  • Informs rapid, specific antibiotic therapy decisions in cases of endophthalmitis.
  • Emphasizes the transient and fluctuating nature of conjunctival flora.