Vesico-ureteral reflux associated to detrusor instability

J. E. Batista Miranda, R. Regalado Pareja, J. M. Garat Barredo, J. Caffaratti, P. Arañó Bertran, A. Gelabert Mas

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3 Citations (Scopus)

Abstract

Objective: The aim of this study was to determine the urodynamic characteristics of patients with vesico-ureteral reflux (VUR) and detrusor instability (DI) followed by medical treatment. Patients and methods: The urodynamic and cystographic findings in a group of 24 patients between 4 and 18 years of age (mean 7.6 years) with a simultaneous diagnosis of VUR and DI were reviewed. All of them presented with recurrent urinary tract infections. Twenty were female of whom eight also had enuresis and daytime symptoms. Mean follow-up was 40 months (range 18-97 months). VUR was diagnosed by voiding cystourethrogram and classified according to the grades proposed by the 'International reflux study on children'. Results: All but 6 patients had at least a 15% reduction in ago-adjusted capacity. No relationship was observed between the severity of VUR (measured as the addition of reflux grades in both units of each patient) and reduction in bladder capacity or compliance. Seven patients had upper tract damage (either scars or a decrease in size or function on the renogram). Upper tract damage was significantly more frequent in patients with bilateral reflux (regardless of the type of DI). Patients with unilateral reflux and sustained instability had significantly less upper tract damage. Results of treatment are reported separately. Conclusions: In these patients, the severity of VUR did not seem to have an impact on bladder capacity or compliance. The risk factors for upper tract damage in this series differ from those found by other authors.
Original languageEnglish
Pages (from-to)245-250
JournalAnales Espanoles de Pediatria
Volume47
Issue number3
Publication statusPublished - 1 Sep 1997

Keywords

  • Children
  • Detrusor instability
  • Upper urinary tract damage
  • Urodynamics
  • Vesico-ureteral reflux

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