MRSA Research Today is a free monthly online journal that collates and summarizes the latest research about MRSA, including details on methicillin-resistant staphylococcus aureus, hospitals, infection, antibiotic resistance, superbugs.

Infectious scleritis after pars plana vitrectomy because of methicillin-resistant Staphylococcus aureus resistant to fourth-generation fluoroquinolones.

Feiz V, Redline DE

Department of Ophthalmology and Vision Science, University of California, Davis Medical Center, Sacramento, CA 95817, USA. vfeiz@ucdavis.edu

PURPOSE: To describe a case of infectious scleritis caused by methicillin-resistant Staphylococcus aureus (MRSA) after pars plana vitrectomy despite treatment with topical fourth-generation fluoroquinolones. METHODS: Single interventional case report. RESULTS: A 72-year-old man presented with scleral thinning and subconjunctival abscess 1 month after pars plana vitrectomy. Microbiological studies including cultures and antibiotic sensitivity were performed. Culture of the scleral abscess showed growth of MRSA resistant to fourth-generation fluoroquinolones and sensitive to vancomycin and erythromycin. Treatment with a combination of topical vancomycin and systemic erythromycin for 6 weeks resolved the infectious scleritis. CONCLUSIONS: MRSA can be a cause of infectious scleritis after ocular surgery without a clear source despite surgical prophylaxis with topical fourth-generation fluoroquinolones.

Published 25 January 2007 in Cornea, 26(2): 238-40.
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