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"Watering Can" Ureterocele Puncture Technique Leads to Decreased Rates of De Novo Vesicoureteral Reflux and Subsequent Surgery With Durable Results.

Urology 2017 October
OBJECTIVE: To assess the outcomes of "watering can" ureterocele puncture (WCP), a technique previously associated with decreased incidence of de novo vesicoureteral reflux (VUR), as a durable option for management of ureteroceles and to determine the need for subsequent surgery for VUR following watering can puncture.

MATERIALS AND METHODS: We retrospectively reviewed records of 55 consecutive endoscopic ureterocele procedures performed at our institution from 1999 to 2015. The WCP was performed using a holmium laser fiber to make 10-20 puncture holes through the ureterocele. Follow-up data were collected on infection, de novo VUR in the affected renal moiety and the need for further treatment and surgery.

RESULTS: Of 55 patients who underwent endoscopic ureterocele management, 34 underwent WCP and 21 patients underwent either incision or puncture. Median follow-up was 3.4 and 2.8 years in the incision and puncture groups, respectively. Both groups had similar rates of ureterocele decompression (88% vs 90%; P >.05) and improvement in hydronephrosis (82% vs 81%; P >.05). The WCP group had a significantly decreased rate of de novo VUR (32% vs 67%; P <.05) and of subsequent surgery due to de novo VUR (38% vs 71%; P <.05). The average grade of de novo VUR was lower in the WCP group (1.4 vs 2.8; P <.05).

CONCLUSION: Our study shows that the endoscopic WCP successfully decompresses the obstructing ureterocele and results in a decreased incidence of de novo VUR and ultimately in fewer invasive procedures for the patient. This update demonstrates the durable outcomes of this novel technique.

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