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Fungal Profile and Susceptibility Pattern in Cases of Keratomycosis
Article de En | IMSEAR | ID: sea-171291
The present study was undertaken to find out various fungi causing keratomycosis and to determine the antifungal susceptibility profile of these isolates. One hundred corneal scrapings from patients with corneal ulcers were subjected to KOH wet mount preparation. Thirty samples which were positive for fungal elements on direct microscopic examination were cultured on Sabouraud's dextrose agar medium(SDA).The isolates were identified and were subjected to drug susceptibility tests for ketoconazole and fluconazole by tube dilution method. Incidence of fungal corneal ulcers was maximum in the age group of 20-49 years (56.67%). Agriculturists constituted the largest group (53.33%), history of trauma was present in 90% of the patients. Aspergillus species were the commonest isolates (70%) followed by candida (20%), alternaria (6.70%) and penicillium (3.30%). MIC of ketoconazole varied from 0.5mg/ml to 10 mg/ml. MIC of fluconazole varied from 0.5 - 10 mg/ml and 19 isolates of fungi did not show any sensitivity to fluconazole upto concentration of 10 mg/ml which was the upper limit of the test system. As agricultural activity and related ocular trauma were principal causes of mycotic keratitis, KOH wet mount preparation is an essential tool in the diagnosis of these infections. It is a very simple and sensitive method. Susceptibility pattern to antifungal drugs was determined to optimize therapeutic response in eye infections.
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Texte intégral: 1 Indice: IMSEAR Type d'étude: Prognostic_studies langue: En Année: 2006 Type: Article
Texte intégral: 1 Indice: IMSEAR Type d'étude: Prognostic_studies langue: En Année: 2006 Type: Article