PRE AND POST OPERATIVE CONJUNCTIVAL BACTERIAL FLORA AND THEIR ANTIBIOGRAM PATTERN IN OPHTHALMIC SURGERY CASESSTEPHEN JOSEPH AND K. FAT HIMATHU ZUHARA
Cojunctival specimens of total 101 patients undergoing surgery were cultured pre operatively and post operatively. Eighty-three potential pathogenic bacterial isolates obtained from pre surgery smears and predominant organisms were Staphylococcus epidermidis (49.4%), Staphylococcus aureus (26.5%), Pseudomonas sp. (13.3%) and V.-hemolytic Streptococci (10.8%). Out of the 38 post surgery isolates, important organisms were Staphylococcus aureus (34.3%), 3-hemolytic Streptococci (28.9%), Staphylococcus epidermidis (18.4%) and Pseudomonas sp. (18.4%). Both pre and post operative cultures were positive in 25% of patients. Antibiotic sensitivity studies revealed ciprofloxacin and gentamycin as the drug of choice against ocular bacterial pathogens. Multiple drug resistance was a common character among post surgery isolates.
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