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Is a second urine specimen necessary for the diagnosis of asymptomatic bacteriuria?
S E Geerlings1, E C Brouwer, W Gaastra
1Department of Internal Medicine, Division of Infectious Diseases and AIDS, University Hospital Utrecht, Utrecht, The Netherlands.
Abstract:
By use of pulse-field gel electrophoresis, we evaluated the molecular identity of 32 Escherichia coli isolates obtained in 2 consecutive urine cultures from 16 patients as part of a large study of asymptomatic bacteriuria in diabetic women and found different E. coli isolates in 7 of 16 patients, meaning that nearly half (44%) of the patients who had been previously classified as having asymptomatic bacteriuria were reinfected with a different strain.