| Autor: |
Linsenmeyer, Todd A., Harrison, Barbara H., Oakley, Anne, Kirshblum, Steven, Stock, Jeffrey A., Millis, Scott R. |
| Zdroj: |
The Journal of Spinal Cord Medicine; January 2004, Vol. 27 Issue: 1 p29-34, 6p |
| Abstrakt: |
AbstractObjective:To determine the effectiveness of cranberry supplement at preventing urinary tract infections (UTis) in persans with spinal cord injury (SCI).Design:A prospective, double–blinded, placebo–controlled, crossover study.Participants:21 individuals with neuragenie bladders secondary to SCI. Main Outcome Measures: Favorable or unfavorable response of cranberry supplement vs placebo on urinary bacterial counts and white blood cell (WBC) counts and the combination of bacterial and WBC counts.Methods:lndividuals with neuragenie bladders due to SCI were recruited and randomly assigned to standardized 400–mg cranberry tablets or placebo 3 times a day for 4 weeks. After 4 weeks and an additional 1–week “washout period,” participants were crossed over to the other group. Participants were seen weekly, during which a urine analysis was obtained. UTI was defined as significant bacterial or yeast colony counts in the urine and elevated WBC counts (WBC count 2: 1 0 perhigh power field) in centrifuged urine. Participa nts with symptomatic infections were treated with appropriate antibiotics for 7 days and restarted on the cranberry tablet/ placebo after a 7–day washaut period. Urinary pH between the cranberry and placebo groups was compared weekly. Data were analyzed using the Ezzet and Whitehead’s random effect approach.Results:There was no statistically significant treatment (favorable) effect for cranberry supplement beyond placebo when evaluating the 2 treatment groups for bacterial count, WBC count, or WBC and bacterial counts in combination. Urinary pH did not differ between the placebo and cranberry groups.Conclusion:Cranberry tablets were not found to be effective at changing urinary pH or reducing bacterial counts, urinary WBC counts, or UTis in individuals with neuragenie bladders. Further Long–term studies evaluating specific types of bladder management and UTis will help to determine whether there is any role for the use of cranberries in individuals with neuragenie bladders. |
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