MP44-15 HIGH PRESSURE ENDOSCOPIC BALLOON DILATATION FOR TREATMENT OF URETEROVESICAL JUNCTION OBSTRUCTION IN CHILDREN

Abstract

You have accessJournal of UrologyPediatric Urology II (MP44)1 Sep 2021MP44-15 HIGH PRESSURE ENDOSCOPIC BALLOON DILATATION FOR TREATMENT OF URETEROVESICAL JUNCTION OBSTRUCTION IN CHILDREN Sergei Zorkin, and Dmitry Shakhnovskiy Sergei ZorkinSergei Zorkin More articles by this author , and Dmitry ShakhnovskiyDmitry Shakhnovskiy More articles by this author View All Author Informationhttps://doi.org/10.1097/JU.0000000000002065.15AboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookLinked InTwitterEmail Abstract INTRODUCTION AND OBJECTIVE: Currently open ureteral reimplantation is considered to be the gold standard treatment for ureterovesical junction (UVJ) obstruction. The aim of this study was to assess long term effectiveness of high pressure endoscopic balloon dilatation for treatment of UVJ obstruction in children. METHODS: From 2015 to 2018 a total of 32 children with a median age of 10 months were treated with high-pressure balloon dilatation. Initial results were evaluated using ultrasonography (US), voiding cystourethrogram and MAG-3 renogram 6 months following the procedure. Then all patients were followed up with US examination annually for 3 years. Positive outcome we considered to be a decrease in pelvic and distal ureteral diameter and an improvement of drainage according to renogram. RESULTS: We observed no intraoperative complications. US pelvic diameter was decreased after balloon dilatation (delta, mm: -10,4±7,1. p<0.0001). MAG-3 renogram showed nonobstructive curve in all patients at 6 months follow up. Washout percentage showed an increase (delta, %: 25,3±13,5. p<0.0001). We observed also an increase in differential renal function after balloon dilatation (delta, %.: 4,3±1,5. p<0.0001). During a follow up period we found results of balloon dilatation to be stable according ultrasound pelvic and distal ureter diameter. CONCLUSIONS: Results of this study confirm that balloon dilatation proved its effectiveness for cases of UVJ obstruction, but further studies with bigger patient sample are needed to confirm long term positive results. Source of Funding: None © 2021 by American Urological Association Education and Research, Inc.FiguresReferencesRelatedDetails Volume 206Issue Supplement 3September 2021Page: e798-e798 Advertisement Copyright & Permissions© 2021 by American Urological Association Education and Research, Inc.MetricsAuthor Information Sergei Zorkin More articles by this author Dmitry Shakhnovskiy More articles by this author Expand All Advertisement Loading ...