ESPU Congress 2018 - Abstract Book

175 11–14 APRIL, 2018, HELSINKI, FINLAND cases developed long-term re-stenosis (12,2 %) that were successfully treated with a new EBD in 8. Endoscopic management of POM failed in 10 cases (12.7 %) that required ureteral reimplantation. Five were early failures (4 intraoperative technical problems and 1 double-J stent migration with severe re-stenosis), and 5 long-term (4 persistent VUR and 1 re-stenosis recurrence). CONCLUSIONS EBD has shown to be an effective treatment of POM with few complications and good outcomes at long-term follow up. Main complication was secondary VUR that could also be treated endoscopi- cally with a high success rate. In our opinion, EBD may be considered first-line treatment in POM. 11:29–11:32 S23-5 (PP) ENDOUROLOGICAL TREATMENT OF SECONDARY OBSTRUCTIVE MEGAURETER Laura BURGOS LUCENA, Alberto PARENTE HERNÁNDEZ, Rubén ORTIZ RODRÍGUEZ, Beatriz FERNÁNDEZ BAUTISTA and Jose María ANGULO MADERO Hospital Gregorio Marañón, Paediatric Urology, Madrid, SPAIN PURPOSE To present our experience and long-term results of endoscopic balloon dilatation of secondary stenosis after vesicoureteral reimplantation. MATERIAL AND METHODS Retrospective study of the patients with ureterovesical strictures after reimplantation surgery treated by high pressure balloon dilatation. Clinical data, renal function, surgical records, dilatation tech- nique, postsurgery complications and ultrasonographic and isotopic data (pre and post dilatation) were evaluated. RESULTS Five patients were treated in our department: 4 of them had a Cohen procedure, 1 had a Politano- Leadbetter surgery and 2 of them had ureteral tapering. In all the patients, ultrasound studies presented progressive ureterohydronephrosis. Diuretic renogram was obstructive with T ½ > 20 minutes that was unilateral in 4 patients and bilateral in the patient with the Politano-Leadbetter procedure. Three patients presented lumbar pain and febrile urinary tract infection. Endoscopic treatment was started performing a retrograde pyelography after Cohen catheterization. High pres- sure balloon dilatation (2.7 Fr) with a nominal profile of 6–9 mm was used in all cases. Median operative time was 30 (19–75) minutes and hospital stay was 24 hours in all patients except in the one with bilateral stenosis and febrile urinary tract infection (72 hrs). No intra or postoperative complications occurred. Postoperative renogram and ultrasound showed a significant improvement in elimination curves and dilatation (p<0.05) after a median follow-up of 5 years (2–8). CONCLUSIONS Endoscopic dilatation of strictures secondary to ureterovesical reimplantation is technically feasible and allows good long-term results. Given its low complication rate, it should be considered as the initial treatment of these patients.