Stopped: funding was terminated
Assessment of the backwards flow of urine from the bladder into the ureter (retrograde urine reflux) after placement of the RELIEF® Ureteral Stent using imaging of the bladder after filling it with contrast and assigning a urinary reflux grade. Randomized controlled trial for evaluation of the stent placement and the adequacy of short term drainage (defined as the presence of the stent in the ureter and the lack of surgical or standard of care double J stent to treat symptoms associated with the stent itself on the stented side during the first 48 hours).
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Retrograde urine reflux
Timeframe: At time of stent placement - Day 0, and through study completion - an average of 12 weeks post-operatively