A cross-sectional study to evaluate the conjunctival bacterial flora in patients undergoing cataract surgery
Abstract
To evaluate the conjunctival bacterial flora and its antibiotic susceptibility pattern in the eyes of patients undergoing cataract surgery.
A cross-sectional study was jointly conducted in the Department of Ophthalmology and Microbiology on 60 patients undergoing cataract surgery at Santosh Medical College and Hospital, Ghaziabad. Sample from volunteers’ eyes was collected and processed in the microbiological laboratory of Santosh Hospital, and when there was bacterial growth, cultures for isolation and identification were made and antibiotic susceptibility tests were carried out.
Growth was positive in 49 patients (82%), whereas no growth was found in 11 patients (18%).
Coagulase-negative Staphylococcus is the most common conjunctival bacterial flora in patients undergoing cataract surgery. Newer fluoroquinolones such as gatifloxacin and moxifloxacin are highly effective against normal conjunctival flora and hence act as an effective tool for presurgical prophylaxis.
These studies should be periodically conducted to understand the dynamic nature of bacterial flora as well as demographic differences in resistance patterns.
How strong is the evidence?
Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 60 participants or records.
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