Abstract
The study was designed to determine common bacterial aetiology of community and hospitalacquired urinary tract infection and their antibiotic sensitivity pattern. Reports of urine culture and sensitivity were retrospectively studied from September 2007 to September 2008 in the laboratory of Medical Microbiology and Parasitology Department of Aminu Kano Teaching Hospital, Kano. Results were analysed using SPSS 11.0 statistical software while p- values <0.05 were considered significant. A total of 3500 urine samples were processed .The overall prevalence of urinary tract infection was 26.0% (n=910); communityacquired urinary tract infection was 14.9%(n=520) and hospital-acquired urinary tract infection was 11.1%(n=390). p<.05. Escherichia coli predominated across the two groups (community- acquired =70.0%, hospital- acquired =25.6%) followed by Klebsiella species ( communityacquired =25.4%, hospital acquired =15.2%), Proteus mirabilis( community- acquired =4.0%, 17.9%). Staphylococcus aureus(community-acquired =1.9%, hospital- acquired =6.0%). The least was Pseudomonas aeruginosa(communityacquired=0.0%, hospital-acquired =6.2%). Most isolates were resistant to Cotrimoxazole, Tetracyclines, Ampicillin, Erythromycin, Nalidixic acid and Chloramphenicol while Ciprofloxacin, Ceftriaxone and Ceftazidime showed very high activity against most of the isolates. Floroquinolones and third generation cephalosporins should be recommended choice of first line drugs for treatment of urinary tract infection where susceptibility testing is unavailable. 3 , of microorganisms in communityacquired (CA) versus hospitalacquired (HA) UTIs was as follows , E.coli ( CA=19.9%, HA =11.5%), Klebsiella species (CA=12.8%, HA=8.9%), S.aureus (CA=4.7%, HA=2.7%), Streptococcus fecalis (CA=1.4%, HA=4.3%), Pseudomonas aeruginosa (CA=1.7%, HA=3.7%), Proteus mirabilis (CA=1.7%, HA=3.0%), Salmonella species(CA=2.4%, HA=0.0%). A similar study was carried out in India 4
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