title: Symptomatic bilateral delayed partial ureteral obstruction after bilateral endoscopic correction of vesicoureteral reflux with dextranomer/hyaluronic acid polymer.
abstract: Endoscopic correction of vesicoureteral reflux using dextranomer/hyaluronic acid copolymer (Deflux) is a widely used technique. Complications are uncommon, and ureteral obstruction occurs particularly infrequently. We present a case of delayed symptomatic partial bilateral ureteral obstruction after bilateral high-volume (>1.0 mL) Deflux injections that required surgical repair 16 months after injection (Clavien classification IIIb.) Bilateral delayed obstruction after endoscopic correction of vesicoureteral reflux has not been previously reported. Previous reports of immediate and delayed ureteral obstruction after Deflux injection are reviewed.
authors.affiliation: Division of Urologic Surgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710, USA.
authors.forename: Unwanaobong
authors.initials: U
authors.lastname: Nseyo
authors.forename: John G
authors.initials: JG
authors.lastname: Mancini
authors.forename: John S
authors.initials: JS
authors.lastname: Wiener
mesh_terms: D003911:Dextrans / Q000009:adverse effects*; D005260:Female; D006801:Humans; D006820:Hyaluronic Acid / Q000009:adverse effects*; D007223:Infant; D013997:Time Factors; D014517:Ureteral Obstruction / Q000209:etiology* / Q000601:surgery; D018666:Ureteroscopy; D014718:Vesico-Ureteral Reflux / Q000628:therapy*
chemical_list: D003911:Dextrans; C487487:dextranomer-hyaluronic acid copolymer; D006820:Hyaluronic Acid