Clinical Profile and Treatment Outcomes of Patients With Acremonium Species Positive Keratitis Managed in a Tertiary Eye Care Center

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PURPOSE: To report the clinical profile and treatment outcomes of patients with culture-positive Acremonium keratitis. METHODS: This is a retrospective observational study. Medical records of all patients treated in a tertiary eye hospital for culture positive infective keratitis from March 2016 to February 2021 were screened, of which those positive for Acremonium species on fungal culture were reviewed. Demographic details, clinical presentation, clinical course, treatment given, total follow-up duration, time taken for ulcer to heal, scar size, and final visual acuity in the last follow-up were recorded. RESULTS: Fifty three cases of fungal keratitis caused by Acremonium species were identified, 22 females and 31 males, with average age of 46.39±18.64 years. The mean duration of symptoms being 54.47±50 days. Only five patients had a history of trauma with vegetative matter. Clinical presentation of patients showed a large number of variations, with 2 patients presenting as peripheral ulcerative keratitis and 1 with epithelial plaque. The mean visual acuity of patients at presentation was 2.43±0.46 logMAR units. Thirty-three of 53 patients presented with perforated corneal ulcer and underwent penetrating keratoplasty; 20 patients were medically managed on topical voriconazole 1%, natamycin 5%, and oral voriconazole. The mean duration of healing of epithelial defect was 95±60.62 days (range 60-165 days). CONCLUSION: Acremonium keratitis has a long and indolent course. A prolonged combination therapy of natamycin and voriconazole seems to be effective in the management. A delay in the diagnosis of Acremonium keratitis often leads to clinical worsening requiring keratoplasty.

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