ANTIBIOTICS SUSCEPTIBILITY PATTERN OF COAGULASE NEGATIVE STAPHYLOCOCCI ISOLATES FROM ORTHOPAEDIC PATIENTS
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International Educational Applied Scientific Research Journal 1 (3): 4-7 (December 2016)

A total number of 74 coagulase negative Staphylococci were isolated from orthopaedic patients in Ahmadu Bello University Teaching Hospital, Zaria, Nigeria. They were further characterized into various Staphylococci species using API STAPH identification kit: Staph xylosus (31.1%), Staph lentus (10.8%), Staph hominis (10.8%), Staph cohnii cohnii (5.4%), Staph epidermidis (4.1%) others were Staph cohnii ureal., Staph hyicus, Staph lugdunensis (2.7% each) Staph caprae , Staph capitis, Staph haemolyticus, Staph scuiri, Staph chromogenes and Staph warneri (1.4% each). Microcossus spp was 8.2% while 13.5% isolates were undetermined. Kirby Baurer disk method was used for the antibiotics susceptibility test, the result showed gentamicin and ciprofloxacin to be most active (96.6%), followed by vancomycin (93.1) and pefloxacin (87.9). The isolates were resistant to ampicillin (96.6), amoxicillin clavulanic acid (65.5%), clindamycin 41.4%). The aim of this study is to classify the coagulase negative Staphylococci isolates into species and to determine their antibiotic susceptibility.
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