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The Swedish reflux trial: Review of a randomized, controlled trial in children with dilating vesicoureteral reflux.

Journal article
Authors Per Brandström
Ulf Jodal
Ulla Sillén
Sverker Hansson
Published in Journal of pediatric urology
ISSN 1873-4898
Publication year 2011
Published at Institute of Clinical Sciences, Department of Pediatrics
Language en
Links dx.doi.org/10.1016/j.jpurol.2011.05...
Subject categories Pediatrics, Urology and andrology, Pediatric surgery

Abstract

OBJECTIVES: To evaluate prophylaxis and endoscopic injection for children with dilating vesicoureteral reflux (VUR) compared to surveillance, regarding urinary tract infection (UTI) recurrence, new renal damage, VUR outcome, and impact of lower urinary tract (LUT) dysfunction on these outcomes. PATIENTS AND METHODS: 203 children (128 girls and 75 boys), aged 1 to <2 years, with VUR grade III or IV were randomized to antibiotic prophylaxis (n = 69), endoscopic injection (n = 66) or surveillance (n = 68). Voiding cystourethrography, dimercaptosuccinic acid scintigraphy and optional LUT function assessment were performed before randomization and after 2 years. RESULTS: There were 67 febrile UTIs in 42 girls and 8 in 7 boys (p = 0.0001). In girls, recurrence rate was 19% on prophylaxis, 23% with endoscopic treatment and 57% on surveillance (p = 0.0002). In boys, there was no difference between treatment groups. New damage was seen in 13 girls: 8 on surveillance, 5 in the endoscopic group and none on prophylaxis (p = 0.0155), and in 2 boys. In 13 children with no or non-dilating VUR after 1 injection, dilating VUR reappeared at the 2-year follow up. LUT dysfunction at follow up was associated with persistence of VUR. CONCLUSION: In girls, prophylaxis reduced the rate of UTI recurrence and new renal damage, and endoscopic injection the rate of UTI recurrence. Boys did not benefit from active treatment.

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