Methicillin-ResistantStaphylococcus aureusInfectious Keratitis Following Refractive Surgery

Purpose To elucidate risk factors, clinical course, visual outcomes, and treatment of culture-proven methicillin-resistantStaphylococcus aureus(MRSA) infectious keratitis following refractive surgery. Design Interventional case series. Methods Multicenter chart review of 13 cases of MRSA keratitis f...

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Bibliographic Details
Published in:American journal of ophthalmology 2007-04, Vol.143 (4), p.629
Main Authors: Solomon, Renée, Donnenfeld, Eric D, Perry, Henry D, Rubinfeld, Roy S, Ehrenhaus, Michael, Wittpenn, John R, Solomon, Kerry D, Manche, Edward E, Moshirfar, Majid, Matzkin, Dennis C, Mozayeni, Reza M, Maloney, Robert K
Format: Article
Language:English
Subjects:
Antibiotics
Gram-positive bacteria
Lasers
Medical personnel
Medical treatment
Nosocomial infections
Patients
Staphylococcus infections
Surgery
Workers
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Summary:Purpose To elucidate risk factors, clinical course, visual outcomes, and treatment of culture-proven methicillin-resistantStaphylococcus aureus(MRSA) infectious keratitis following refractive surgery. Design Interventional case series. Methods Multicenter chart review of 13 cases of MRSA keratitis following refractive surgery and literature review. Results Thirteen eyes of 12 patients, nine of whom were either healthcare workers or exposed to a hospital surgical setting, developed MRSA keratitis following refractive surgery. All patients presented with a decrease in visual acuity and complaints of pain or irritation in the affected eye. Common signs on slit-lamp biomicroscopy were corneal epithelial defects, focal infiltrates with surrounding edema, conjunctival injection, purulent discharge, and hypopyon. All patients were diagnosed with infectious keratitis on presentation and treated with two antibiotics. All eyes were culture-positive for MRSA. Conclusions According to a computerized MEDLINE literature search, this is the first case series of MRSA infectious keratitis following refractive surgery, the first reports of MRSA keratitis after refractive surgery in patients with no known exposure to a healthcare facility, the first report of MRSA keratitis after a laser in situ keratomileusis (LASIK) enhancement, and the first reports of MRSA keratitis after prophylaxis with fourth-generation fluoroquinolones. MRSA keratitis is a serious and increasing complication following refractive surgery. Patients with exposure to a healthcare environment should be considered at additional risk for developing MRSA keratitis. However, in addition, surgeons should now be vigilant for community-acquired MRSA. Prompt identification with culturing and appropriate treatment of MRSA keratitis after refractive surgery is important to improve visual rehabilitation.
ISSN:0002-9394
1879-1891
DOI:10.1016/j.ajo.2006.12.029