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Ophthalmology. 1989 Dec;96(12):1722-6.

Rural endophthalmitis.

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Department of Ophthalmology, University of Iowa Hospitals and Clinics, Iowa City 52242.


The antibiotic regimens recommended for empiric use in posttraumatic endophthalmitis are based on data collected from medical centers in large metropolitan areas. In rural areas, trauma resulting in endophthalmitis frequently involves injuries with perforating objects that are contaminated with organic matter. These rural cases therefore may not be comparable with endophthalmitis occurring after nonrural injuries. A 10-year retrospective analysis was performed to investigate the incidence of rural endophthalmitis as well as determine the type of causative organisms. Endophthalmitis developed in 24 (30%) of 80 patients with rural penetrating trauma, compared with 23 (11%) of 204 patients with nonrural penetrating trauma. Of 24 patients, Bacillus spp were isolated in 11 (46%), followed by gram-negative rods in 7, Staphylococcus epidermidis in 6, and streptococcal species in 5. In 10 (42%) of these 24 patients with rural trauma, more than one organism was isolated. Bacillus spp were involved in six (60%) of ten of these mixed infections. Based on these findings, the authors suggest an intravitreal regimen of gentamicin along with either vancomycin or clindamycin for the empiric therapy of rural endophthalmitis.

[Indexed for MEDLINE]

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