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The double wire technique: an improved method for treating challenging ureteroileal anastomotic strictures and occlusions

Departments of ¹ Urology and ² Radiology, Royal Hampshire County Hospital, Winchester, Hampshire, UK

Correspondence: Nikesh Thiruchelvam, Department of Urology, Royal Hampshire County Hospital, Romsey Road, Winchester, Hampshire SO22 5DG, UK

Up to 10% of patients who undergo ileal conduit urinary diversion may go on to develop ureteroileal anastomotic stenosis (UIAS); this can lead to recurrent urinary tract infections and deterioration in renal function. Classical management has been open revision of the anastomosis. We describe a novel technique that allows balloon dilatation and ureteral stent placement in a retrograde fashion. All patients in this study had undergone radical cystectomy and ileal conduit formation with Wallace type end-to-end refluxing uretero-intestinal anastomosis. After initial retrograde loopogram, a 6F MPA-1 catheter and an 0.035 inch extra stiff guide was passed to the distal ostium. Subsequently, a customised 8F bright tip MPA-1 guiding catheter was advanced over the guide wire which allowed effective splinting of the equipment to facilitate greater control of a second catheter and guide wire combination to access the stenotic or occluded anastomosis. Results show that a total of ten anastomoses were treated; nine anastomoses were successfully treated with a primary retrograde approach with no intra or post-procedural complications. After a mean follow-up of 19 months (5–33 months), as assessed by ascending loopograms, all anastomoses remained open. In conclusion, morbidity of open surgery has resulted in the popularization of endourological techniques in treating anastomotic stenoses. However, key to these endourological techniques is access to the anastomosis; typically, this has been via a percutaneously placed nephrostomy. The ideal route to the anastomosis is via a retrograde approach; we have illustrated a safe and successful novel technique that utilized two guidewires and a guiding catheter, allowing retrograde ureteral access.

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