Abstract
The prevalence of urinary antibody-coated bacteria (ACB), suggesting renal bacteriuria, was studied in three groups of patients: inpatients whose physicians suspected urinary tract infections, asymptomatic outpatients with neurogenic bladders but without urethral catheters, and asymptomatic inpatients with indwelling urethral catheters. The prevalence of ACB was 67% of inpatients with positive cultures without catheters, 94% of patients with neurogenic bladders, and 36% of patients with urethral catheters. These results suggest a high prevalence of upper urinary tract involvement in patients with positive urine cultures, even if asymptomatic.
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