Journal of Applied Sciences and Environmental Management

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Characterization and Evaluation of Antibiotic Susceptibility Pattern of Coagulase Negative Staphylococci Isolated from Common Clinical Specimens in a Central Hospital in Delta State, Nigeria

DJ Jemikalajah


The emergence of coagulase negative Stapylococci as major pathogens  reflects the increased use of implants in hospitals. Fifty-four coagulase-negative staphylococci were isolated from a total of 242 clinical specimens
at the Central Hospital, Kwale. All isolates were identified by standard  bacteriological methods. Antibiotic sensitivity test was performed on all coagulase- negative staphylococci (CoNS) isolates using the modified Kirby-Bauer method with 10 different antibiotics. Staphylococcus epidermidis was the commonest species (83.3%), while Staphylococcus saprophyticus was 16.7%, mainly from urine samples. Highest sensitivity was found with ofloxacin  (81.5%), followed by ciprofloxacin (77.8%) and, highest resistance occurred with cotrimoxazole to which no isolate was sensitive.

Keywords: Characterization, Antibiotics, Coagulase- negative –Staphylococci
AJOL African Journals Online