Endoscopic correction is the most commonly used minimally invasive method of surgical treatment of vesicoureteral reflux in children. The present study retrospectively evaluated the effectiveness of endoscopic treatment of reflux and identified factors affecting the result. Endoscopic correction of vesicoureteral reflux was performed in 715 patients (223 boys and 492 girls) aged from 2 months to 16 years (50.4 ± 40.5 months). Unilateral reflux was in 367 children (51.3 %), bilateral – in 348 (48.7 %). The total number of operated ureters was 1063, of them boys – 341 (32.1 %), girls – 722 (67.9 %). In 62 ureters (5.8 %) was complete duplication. Reflux nephropathy was detected in 249 children (23.4 %). Repeated correction was performed in 174 patients (227 ureters), 22 children (28 ureters) were injected thrice. The efficiency of the primary correction in terms of resolution of reflux was 53.2 %, re-introduction – 57.7 %, the third – 53.6 %. In 17 ureters (1.6 %) in the absence of reflux, obstruction with the development of ureterohydronephrosis was revealed. In 31 children (36 ureters, 3.4 %) in the long term after successful endoscopic treatment recurrent vesicoureteral reflux was detected. The overall efficiency of endoscopic correction was 61.9 %. Statistical analysis identified a number of factors affecting the effectiveness of endoscopic correction. It was shown that such factors as male sex, age under 36 months, high degree of reflux, presence of nephropathy or complete ureteral duplication were significantly associated with the negative result of endoscopic treatment of vesicoureteral reflux.
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