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  • Title: Capnocytophaga keratitis.
    Author: Alexandrakis G, Palma LA, Miller D, Alfonso EC.
    Journal: Ophthalmology; 2000 Aug; 107(8):1503-6. PubMed ID: 10919898.
    Abstract:
    PURPOSE: To review the clinical course, treatment, and visual outcomes of keratitis caused by the gram negative rod CAPNOCYTOPHAGA: DESIGN: Retrospective, noncomparative case series. PARTICIPANTS: Ten patients with culture-proven unilateral CAPNOCYTOPHAGA: keratitis examined at the Bascom Palmer Eye Institute between January 1, 1989, and December 31, 1998. INTERVENTION: All patients underwent standard diagnostic microbiologic evaluation, and topical antimicrobial therapy was instituted. A penetrating keratoplasty or enucleation was performed in some patients. MAIN OUTCOME MEASURES: The changes in visual acuity and clinical response to antimicrobial therapy. RESULTS: Predisposing factors were present in all patients. Cultures identified CAPNOCYTOPHAGA: species at a mean of 7.5 days. Initial topical treatment consisted of an aminoglycoside and vancomycin in four patients, a quinolone or aminoglycoside alone in two patients each, and ofloxacin with vancomycin or tobramycin with ceftazidime in one patient each. After the microbiologic identification of CAPNOCYTOPHAGA:, treatment in four patients was changed to intensive, topical clindamycin. Five of the 10 eyes were medically cured (3 of these eyes underwent penetrating keratoplasty for corneal scarring), and 5 eyes required enucleation. The indications for enucleation included persistent infection with development of endophthalmitis or blind, painful eye. Five of the 10 eyes achieved 20/80 or better final visual acuity. Four of these five eyes were treated with topical clindamycin. CONCLUSIONS: Important factors in achieving a good visual outcome in CAPNOCYTOPHAGA: keratitis include early microbiologic identification and intensive therapy with topical clindamycin. CAPNOCYTOPHAGA: should be included in the differential diagnosis of bacterial keratitis in patients with suggestive predisposing factors or with protracted keratitis unresponsive to treatment.
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