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The effect of vitamin A on renal damage following acute pyelonephritis in children.

Author(s): Ayazi P, Moshiri SA, Mahyar A, Moradi M

Affiliation(s): Department of Pediatric Infectious Diseases, Clinical Research Center, Qazvin Children Hospital, Qazvin University of Medical Sciences, Qazvin, Iran. parviz_ayazi@yahoo.com

Publication date & source: 2011-03, Eur J Pediatr., 170(3):347-50. Epub 2010 Sep 18.

Publication type: Randomized Controlled Trial; Research Support, Non-U.S. Gov't

Animal studies suggest that administration of vitamin A to rats with experimental urinary tract infection decreases the frequency of renal scars (Kavukcu et al., BJU Int 83(9):1055-1059, 1999). The aim of this study was to determine the effect of vitamin A on the rate of permanent renal damage in children with acute pyelonephritis. Fifty children, median age of 24 months (range 2-144), with first-time pyelonephritis verified by an uptake defect on acute dimercaptosuccinic acid (DMSA) scan were included in the study and randomly allocated to the case or control groups. All were given intravenous ceftriaxone for 10 days followed by oral cephalexin for 3 months. Cases in addition were given a single intramuscular dose of vitamin A, 25,000 U for infants below 1 year of age and 50,000 U for older children. At the repeat DMSA scan after 3 months, five of 25 cases (20%) and 17 of 25 controls (68%) had abnormal findings (p = 0.001). In conclusion, administration of vitamin A was associated with a significantly lower rate of permanent renal damage.

Page last updated: 2011-12-09

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