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Medline ® Abstract for Reference 50

of 'Etiology and clinical features of bladder dysfunction in children'

50
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Influence of voiding dysfunction on the outcome of endoscopic treatment for vesicoureteral reflux.
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Capozza N, Lais A, Matarazzo E, Nappo S, Patricolo M, Caione P
SO
J Urol. 2002;168(4 Pt 2):1695.
 
PURPOSE: Some patients with vesicoureteral reflux also experience voiding dysfunction. Dextranomer/hyaluronic acid copolymer (Deflux, Q-MED AB, Uppsala, Sweden) is an effective endoscopic treatment for vesicoureteral reflux. In an open label study we investigated the effect of voiding dysfunction on the efficacy of endoscopic treatment with dextranomer/hyaluronic acid copolymer in patients with vesicoureteral reflux.
MATERIALS AND METHODS: A total of 320 children 3 to 11 years old with grade II to IV vesicoureteral reflux confirmed by voiding cystourethrography underwent endoscopic treatment with dextranomer/hyaluronic acid copolymer. Of the patients 50 were re-treated with dextranomer/hyaluronic acid copolymer because of persistent reflux (grade II or greater). The first implantation technique was recorded on videotape. Voiding cystourethrography and micturition details were recorded at the 3 to 6-month followup visit and compared with baseline measurements.
RESULTS: At baseline 13 patients had known voiding dysfunction and 18 were misdiagnosed as not having voiding dysfunction. Of the 50 patients who required re-treatment, the initial implant was correctly positioned in 45 according to the videotape. Endoscopic observation at the time of re-treatment revealed no evidence of the implant in 15 patients. The implant was displaced in 27 patients and remained correctly positioned in 3. A total of 27 patients had voiding dysfunction, the majority of whom had urgency and frequency incontinence, had not received any anticholinergic therapy and had a displaced implant.
CONCLUSIONS: Uncontrolled voiding dysfunction contributed to endoscopic treatment failure with dextranomer/hyaluronic acid copolymer in our series. Therefore, we suggest that patients with voiding dysfunction be treated at least 6 months before endoscopic therapy with anticholinergics and/or micturition rehabilitation.
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Department of Pediatric Urology, Ospedale Bambino Gesú, Rome, Italy.
PMID