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Garg, P. et al.

Keratomycosis: clinical and microbiologic experience with dematiaceous fungi.

OBJECTIVE: To assess the significance of dematiaceous fungi in the causation of keratomycosis. DESIGN: Retrospective, noncomparative case series. PARTICIPANTS: Eighty-eight cases of dematiaceous fungal keratitis seen at the L. V. Prasad Eye Institute, Hyderabad, India from January 1991 through December 1996. INTERVENTION: Only culture-proven cases were analyzed. MAIN OUTCOME MEASURES: Predisposing factors, clinical characteristics, microbiology, treatment methods, and outcome. RESULTS: Of 557 cases of fungal keratitis seen during the study period, dematiaceous fungi were the etiologic agents in 88 (15.7%), after Fusarium in 210 (37.6%) and Aspergillus species in 170 cases (30.4%), respectively. Trauma was the most common predisposing factor (47.7%). Fifty-three eyes (61.3%) had the classical clinical picture of yellow-white, dry raised infiltrate with feathery hyphate edges at initial examination. The characteristic macroscopic pigmentation was seen in only 24 eyes (27.27%). Septate branching fungal filaments were identified in 78 smears (88.63%) on light microscopy, of which 5 (5.7%) also showed the presence of bacteria. Curvularia species dominated the spectrum (22.7%). Treatment was started in 48 eyes with topical antifungal agents, whereas 37 received both oral and topical antifungal agents. Outcome data were available for 68 cases. Forty-nine (72%) responded to medical therapy, whereas 13 eyes required therapeutic penetrating keratoplasty and 6 eyes had to be eviscerated. CONCLUSIONS: This is the largest series of keratitis caused by dematiaceous fungi reported to date. It clearly brings out the clinical importance of this group of corneal infections.[1]

References

Keratomycosis: clinical and microbiologic experience with dematiaceous fungi. Garg, P., Gopinathan, U., Choudhary, K., Rao, G.N. Ophthalmology (2000) [Pubmed]

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