Prevalence of Pseudomonas aeruginosa in Clinical Samples and its sensitivity to Citrus Extract
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Ibadan Biomedical Communications Group
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The prevalence of selected pathogens in four hundred and ninety eight
samples of ear, wound swabs and urine samples submitted to the
Microbiological Laboratory of Wesley Guild Hospital, Ilesa, Nigeria was
investigated. In ear infections, Pseudomonas aeruginosa predominated
(50%), followed by Staphylococcus aureus (30%) and others (20%). In
wound swabs, S. aureus predominated (46.3%), P. aeruginosa(16%). Other
bacteria isolated included Klebsiella spp, Proteus spp and Escherichia
coli accounting for 18%. In urine, S. aureus and E. coli were more
frequently isolated with 49% and 23% respectfully. The antibiogram
studies showed that P. aeruginosa, was highly sensitive to Ciprotab,
Perflotab and Gentamycin except Pseudomonas isolates from wounds which
were resistant to Gentamycin. The isolates were resistant to
Streptomycin, Ampicillin and Cotrimoxazole (septrin). Citrus juice
– C. aurantifolia (Lime) and C. limon (Lemon) on P. aeruginosa
gave positive results with lethal effects on the test organisms with
zones of inhibition ranging from 7mm-22mm in diameter around the
colonies.
Keywords
antibiogram, citrus extract, prevalence, Pseudomonas aeruginosa
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