Abstract
Introduction and objectivesLower urinary tract fistulas have been traditionally treated conservatively with a bladder catheter in order to allow the closure of the fistulous tract. When this approach fails, it is posible to place a renoatmospheric stent in order to avoid aggressive interventions such as surgery. Materials and methodsThree patients with refractory lower urinary tract fistulas received a renoatmospheric stent: retrograde endoscopic straight tip catheter passage creating a bypass from the kidney to the exterior through the urethra, isolating the urinary tract from contact with urine to allow closure of the fistulous tract. ResultsAll fistulas where closed without aditional complications. ConclusionsPatients with refractory lower urinary tract fistulas can be treated with a endoscopic renoatmospheric stent, which is safe, reproducible and effective, avoiding the need for more complex interventions.
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