Multiple Antibiotic Resistance among Bacteria Isolated from Hospital Environment
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Abstract
The present study aimed at studying the antibiotics profiles and drug resistance pattern of clinical isolates before and after plasmid curing to find out whether the resistance to multiple antimicrobials was plasmid borne. Staphylococcus aureus and Escherichia coli had 26.1% and 12.6% incidence of occurrence respectively while lowest incidence of occurrence was observed with Streptococcus sp (4.5%). Staphylococcus aureus was resistant to streptomycin (44.8%), erythromycin (5.2%), tetracycline (17.2%), gentamycin (15.5%) and cloxacillin (10.3%) while Klebsiella aerogenes were resistant to amoxicillin (86.9%), amoxicillin-clavulanic acid (73.9%), and gentamicin (39.1%). All isolated E. coli and Proteus mirabilis were resistant to amoxicillin-clavulanic acid while resistance to amoxicillin was 71.4% and 2.2% respectively. Klebsiella aerogenes was cured of its resistance to nalidixic acid, gentamycin and tetracycline but still retained it resistance to augumetin (17.7%) and amoxicillin (35.0%). All resistant isolated tested against nalidixic acid and gentamycin was observed to be sensitive after plasmid curing while Pseudomonas aeruginosa and E. coli was observed to be cured of of tetrecycline resistance (66.7%).
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