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J Pediatr. 1999 Dec;135(6):698-702.

Effect of cranberry juice on bacteriuria in children with neurogenic bladder receiving intermittent catheterization.

Author information

1
University of Virginia, Department of Pediatrics and Emergency Medicine, Charlottesville 22906-0014, USA.

Abstract

OBJECTIVE:

To determine the effect of cranberry prophylaxis on rates of bacteriuria and symptomatic urinary tract infection in children with neurogenic bladder receiving clean intermittent catheterization.

DESIGN:

Double-blind, placebo-controlled, crossover study of 15 children receiving cranberry concentrate or placebo concentrate for 6 months (3 months receiving one concentrate, followed by 3 months of the other). Weekly home visits were made. During each visit, a sample of bladder urine was obtained by intermittent catheterization. Signs and symptoms of urinary tract infection and all medications were recorded, and juice containers were counted.

RESULTS:

During consumption of cranberry concentrate, the frequency of bacteriuria remained high. Cultures of 75% (114 of 151) of the 151 samples obtained during consumption of placebo were positive for a pathogen (>/=10(4) colony-forming units/mL) compared with 75% (120 of 160) of the 160 samples obtained during consumption of cranberry concentrate. Escherichia coli remained the most common pathogen during placebo and cranberry periods. Three symptomatic infections each occurred during the placebo and cranberry periods. No significant difference was observed in the acidification of urine in the placebo group versus the cranberry group (median, 5.5 and 6.0, respectively).

CONCLUSION:

The frequency of bacteriuria in patients with neurogenic bladder receiving intermittent catheterization is 70%; cranberry concentrate had no effect on bacteriuria in this population.

PMID:
10586171
[Indexed for MEDLINE]

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