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  • Title: High-grade vesicoureteral reflux in infants: Our experience with endoscopic subureteric injections.
    Author: Al Hindi S, Mubarak M, Al Aradi H.
    Journal: Urologia; 2022 Feb; 89(1):120-125. PubMed ID: 33063631.
    Abstract:
    BACKGROUND: Vesicoureteral reflux (VUR) is the most common urological anomaly in pediatric patients. Management options for VUR vary from continuous antibiotic prophylaxis (CAP) to surgery via either endoscopic subureteric injection of a bulking agent or open anti-reflux surgery. In this study, we assess the efficacy of subureteric injections of Dextranomer/Hyaluronic acid Copolymer (Deflux) in managing primary VUR in infant patients with high-grade VUR. METHODS: From 2010 to 2015, children less than 1-year-old with primary high-grade VUR were observed prospectively following the administration of endoscopic subureteric injections of Dextranomer/Hyaluronic Acid Copolymer (Deflux). The diagnosis of VUR was based on MCUG, and all patients underwent a holistic clinical, laboratory, and radiological assessment before and after the intervention. Complete success was defined as the resolution of VUR on follow up 1 year post-operatively. RESULTS: A total of 30 infants (50 renal units) with high-grade VUR (grades IV and V) were included in the study. The mean age at surgery was 6.3 ± 2.5 months. Most of the patients presented with a urinary tract infection (90%). Complete symptomatic relief was achieved in 27 patients (90%) at the first post-operative follow-up. Forty-four renal units received one injection, while six required a second injection as they did not meet our treatment success criteria. No patients required a third injection or referral for open surgery. CONCLUSION: Endoscopic injection of Dextranomer/Hyaluronic acid Copolymer (Deflux) at the vesicoureteral junction is an effective minimally invasive intervention to treat high grades VUR (IV-V) infants.
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