Risk of Asymptomatic Bacteriuria among People with Sickle Cell Disease in Accra, Ghana

Asymptomatic bacteriuria (ASB) is benign except in certain medical conditions such as pregnancy and immunosuppression. In Ghana, there are hardly any studies on urinary infections among sickle cell disease (SCD) patients, and the few studies carried out in Africa focused on pediatric SCD populations. The current study aimed to investigate the risk of ASB among SCD patients at a tertiary hospital in Ghana. This was a cross-sectional study involving 110 SCD patients and 110 age and sex matched healthy controls. Urine specimens were collected from all the study subjects and analyzed by standard microbiological methods. Demographic information were also collected from the study subjects. The overall ASB prevalence was significantly higher among SCD patients (17.2%) than among the control group (8.2%), and the relative risk was 2.11 (p = 0.0431; CI = 1.00–4.45). Being female was as a predictor of ASB among the SCD patients (OR = 14.76; CI = 11.23–18.29; p = 0.0103). The most common organism isolated from the study participants was coagulase negative Staphylococcus species (4.1%), followed by Escherichia coli (2.7%); etiology of ASB in the SCD patients was more diverse compared to healthy people. All the E. coli isolates were susceptible to amikacin, sparfloxacin and norfloxacin but resistant to ampicillin.

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