Abstract
No report has been published regarding the recommended surgical treatment in patients presenting with symptomatic primary asymmetrical vesicoureteral reflux (VUR): high grade on one side and low grade on the contralateral side. The aim of this study was to evaluate the effectiveness and outcome of combined Lich-Gregoir extravesical reimplantation and subureteric Deflux® injection, of high grade and low grade VUR respectively. Non-inferiority to bilateral cross-trigonal reimplantation was investigated in terms of surgical complications, number of post-operative fUTIs and need for re-intervention. A monocentric retrospective study was undertaken of all consecutive children with primary asymmetrical VUR on MCUG treated over an 18-year period (2004-2022). Surgery was indicated following an episode of febrile urinary tract infection despite appropriate non-operative management. Demographic and clinical such as length of hospital stay for pain management, use of urinary Foley catheter and complications were analyzed. A total of 80 children met the study criteria: 40 patients underwent bilateral cross-trigonal re-implantation (Group 1) and 40 patients the combined Lich-Gregoir extra vesical reimplantation and Deflux® sub ureteric injection (Group 2). Complication and success rates were comparable in the two groups. The median hospital stay was significantly shorter for Group 2, with 50% of patients who were discharged on day 1. Moreover, the data showed a significant lesser need in number and length of bladder catheter and ureteral stents in Group 2. The technique proposed overcome the inconveniences of the other procedures that are commonly used in bilateral RVU: difficulty in retrograde catheterization or ureteroscopy after bilateral cross-trigonal reimplantation, the risk of transient bladder dysfunction after bilateral extravesical reimplantation and the low rate of success for high grade reflux of the sub ureteric Deflux® injection. The main limitation of the study lies in its retrospective nature and in the relatively short median follow-up. The combined Lich-Gregoir extra-vesical ureteral reimplantation and sub-ureteric Deflux® injection for the treatment of primary asymmetrical VUR is an effective alternative to the gold standard cross-trigonal ureteral reimplantation. Moreover, the position of the ureteric orifice is not modified in the eventuality of endourological procedures into adulthood.
Published Version
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