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  • Title: Durability of a single successful endoscopic polytetrafluoroethylene injection for primary vesicoureteral reflux: 14-year followup results.
    Author: Yücel S, Tarcan T, Simşek F.
    Journal: J Urol; 2007 Jul; 178(1):265-8; discussion 268. PubMed ID: 17499781.
    Abstract:
    PURPOSE: We reviewed our 14-year experience with successful single endoscopic subureteral polytetrafluoroethylene injection for the treatment of primary vesicoureteral reflux in children. MATERIALS AND METHODS: We retrospectively reviewed the charts of 42 patients with primary vesicoureteral reflux who were treated with a single successful subureteral polytetrafluoroethylene injection between 1989 and 1993 and followed with routine 1, 3 and 10-year voiding cystourethrography. RESULTS: The study included 30 girls and 12 boys 2 to 14 years old (median age 6 years). Four patients were lost to followup. Of the 38 remaining patients 28 had unilateral and 10 had bilateral primary vesicoureteral reflux. Endoscopic treatment with subureteral polytetrafluoroethylene injection was performed in 48 ureters. Followup ranged from 10 to 14 years (mean 12.5+/-2.1). Voiding cystourethrography in 38 patients and 48 ureters revealed that 35 ureters (73%) remained free of reflux, whereas reflux recurred in 13 (27%) at a median of 2 years. Of these 13 ureters recurring reflux was grade I to II in 5 and grade III to V in 8. Reflux recurred in 11 of 24 ureters with grade IV to V reflux. Of the 13 recurrences 10 presented as febrile urinary tract infections and only 3 grade I recurrences were detected on voiding cystourethrography alone. No untoward effects were seen in any of these patients with injection of polytetrafluoroethylene. CONCLUSIONS: Long-term followup may be warranted after a single successful endoscopic injection for vesicoureteral reflux, particularly high grade reflux. However, followup voiding cystourethrography is unnecessary in patients presenting with febrile urinary tract infection.
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