Shobana, CS (2016) Prevalence and antimicrobial susceptibility pattern of staphylococci and streptococci causing ocular infections from a tertiary eye care hospital, South India. Biomedical Research, 27 (3). pp. 780-786. ISSN 0970-938X

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Abstract

Gram positive cocci viz., streptococci and staphylococci are found to be more predominant among
ocular infections. Treatment of bacterial eye infections may engross empirical therapy with topical
ophthalmic broad spectrum antibiotic formulations which is a prevailing practice among
ophthalmologists. Ocular samples were collected from patients attending a tertiary eye care hospital,
Coimbatore, south India from a total of 1802 ocular samples viz., Gram positive cocci (n=329), other
bacteria & actinomycetes (n=561) and fungi (n=716), were isolated. Out of 329 Gram positive cocci, a
total of 200 isolates viz., Streptococcus pneumoniae (n=76), coagulase negative staphylococci (CoNs)
(n=49), Staphylococcus aureus (n=40), S. viridans (n=33) and S. pyogenes (n=2). The results revealed
that the patients belonging to the age group between 60-80 years were most affected and male
preponderance was observed. The isolates were subjected to antibiogram analysis with 15 different
antibiotics according to the Clinical and Laboratory Standards Institute (CLSI) guidelines. Antibiotic
viz., ampicillin, ofloxacin, gatifloxacin, levofloxacin, cefotaxime, cefazolin, piperacillin and vancomycin
were found to effective against Gram positive cocci ocular infections.

Item Type: Article
Uncontrolled Keywords: Eye, Infections, Staphylococcus, Streptococcus, Antibiotic susceptibility
Divisions: PSG College of Arts and Science > Department of Microbiology
Depositing User: Mr Team Mosys
Date Deposited: 12 Apr 2023 04:33
Last Modified: 12 Apr 2023 04:33
URI: http://ir.psgcas.ac.in/id/eprint/1878

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