A survey of asymptomatic urinary tract infection in the Kumasi Community

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Asymptomatic UTI is an important health problem in the Kumasi community. Among the objectives of the study were to identify the organisms involved in community UTI, their proportion and distribution, to determine the characteristics of these organisms and also to estimate the importance of recurrent UTI in the community Subjects were males and females from the community of the age of 15 up to 50 and above years who did not show symptoms of UTI With the aid of a questionnaire relevant information such as previous UTI treatment and recurrent antibiotic usage were collected A total of 1531 mid-stream urine samples were collected for processing in the Komfo Anokye Teaching Hospital microbiology laboratory. Antibiotic sensitivity testing was carried out using the Kirby-Bauer method. Prevalence rates as occurring in males and females were 3.9% and 11 .7% respectively. There was a highly significant difference (p 0.0001) in infection rates between the males and females. Among the various subject groups, females at University of Science and Technology (UST) had the highest prevalence rate of 26.0%. There was significant association (P=0.05) between infection rates and the age groups. The most predominant bacterial uropathogens were staphylococus aureus (26.8%), Escherichia coli (19.3%) and Kiebsiella species (12.4%). Others were Proteus species (11 .7%), Coliforms (11 .7%), Pseudomonas species (5.5%), Staphlococus (3.4%), Streptococcus species (1.3%), Serratia species (0.7%) and Enterobacter species (0.7%). High susceptibility rates were exhibited by urine isolates towards nalidixic acid, nortloxacin and cefuroxime. However, susceptibility by these organisms towards ampocllin, cotrimoxazole and tetracycline was low. A considerable number (149) of people had previous history of UTI, of which 20 (13.4%) still carried the infection. Among sexually active young women, the prevalence of asymptomatic UTI is high. Also the level of recurrent UTI in the community is high, thus, there is the need for the proper investigation of UTI and effective treatment rendered to avoid future complications.
A thesis submitted to the Board of Postgraduate Studies, Kwame Nkrumah University of Science and Technology, Kumasi, in partial fulfilment of the requirement for the award of Master of Science, 2000