Bacterial Contamination of In-Use Ocular Medications
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2017, Vol 17, Issue 2
Abstract
Forty in-use ocular medications from 34 patients were collected from out-patients at Dr. Agarwal’s Eye Hospital, Salem. The present study was carried out by culturing the bottle caps, the cover, nosil and a drop produced by simple inversion by standard methods. The bacterial isolates which were considered significant growth in culture media and positive for direct microscopic findings were taken for the study. These isolates were identified by standard biochemical tests. Commonly Gram positive organism were significantly (71.95%) to be isolated from all medication sites than Gram negative organism (28.04%). Gram positive organism include Staphylococcus saprophyticus, Staphylococcus epidermidis, Staphylococcus aureus, Micrococcus luteus, Streptococcus pneumoniae, non haemolytic Streptococci, Corynebacterium and Bacillus sps. Gram negative organisms include Aeromonasspp, Serratia liquefaciens and Salmonella spp. The overall contamination rate of in-use medications / nosil contains 48 (30%) isolates, cover contains 53 (33%) isolates and cap contains 60 (37%) isolates. The results of this study indicated that ocular medication cap showed highest rate of contamination when compared to the other two. The cycle of contamination of in-use ocular medication may represent an important risk factor for bacterial keratitis in patients with ocular surface diseases.
Authors and Affiliations
Sangeetha J*, Arvind prasanth D1
Keywords
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- DOI 10.9790/3008-12040596100
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