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KMID : 1218220100020010025
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Korean Journal of Pediatric Urology
2010 Volume.2 No. 1 p.25 ~ p.28
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Does Breastfeeding Protect Infants from Simple Urinary Tract Infection?
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Baek Min-Ki
Jeong Seong-Jin
Choi Hwang
Kim Tae-Beom
Park Kwan-Jin
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Abstract
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Purpose: We evaluated whether breastfeeding has a protective effect against simple urinary tract infection (UTI) in infants.
Materials and Methods: Sixty-seven cases presenting with simple UTI were matched with 68 age- and sex-matched controls who had an acute illness that was not an infectious disease. We performed a retrospective review of all infant medical records and administered a parental telephone questionnaire regarding whether the infant was breastfed, the duration of breastfeeding, and the extent of breastfeeding. Extent was classified as exclusively breastfed, mostly breastfed (less than one bottle of formula per day), and mostly formula-fed (with some breast milk supplementation).
Results: Breastfed infants comprised 86.6% and 85.3% of cases and controls, respectively. Breastfeeding duration was not significantly different between groups. When the data were analyzed according to the extent of breastfeeding at the time of the hospital visit, the proportions of exclusively breastfed, mostly breastfed, and mostly formula-fed infants were 23.9%, 37.3% and 44.8% of cases and 29.4%, 39.7% and 50.0% of controls (p=0.30, 0.46, and 0.33, respectively).
Conclusions: Although there was a trend toward a lower rate of simple UTI in breastfed infants, our study did not support a direct protective effect of breastfeeding against UTI.
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KEYWORD
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Breastfeeding, Urinary tract infection, Infant
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