alexa Use of Memokath 051 metallic stent in the management of ureteral strictures: a single-center experience.


Medical & Surgical Urology

Author(s): Papadopoulos GI, Middela S, Srirangam SJ, Szczesniak CA, Rao PN

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Abstract INTRODUCTION: Memokath 051 represents a nickel-titanium stent that has been used to treat patients with incurable ureteral strictures. In the current study we present our experience in using this technique. MATERIALS AND METHODS: Between 2003 and 2008, 19 metallic stents were placed in 13 patients. All of them had been previously treated by using JJ stents or dilatation. The etiology was benign in 10, while in 3 patients malignancy was involved. The mean age was 60.7 years. Mean stricture length was 3.2 cm while the median stent length was 6 cm. No severe complications were noticed postoperatively. Mean follow-up was 14.3 months. RESULTS: Six patients (46\%) experienced a satisfactory result after first insertion. Stent migration was observed in 6 patients and in 3 it was replaced successfully. One patient was offered a simple nephrectomy due to a poorly functioning kidney. Eventually, 10 of 13 patients (77\%) had a successful outcome after the final stent insertion. CONCLUSION: Memokath stents suggest a possible alternative in treating chronic/recurrent ureteral strictures. Their most important disadvantage seems to be migration. Their role in endourological practice remains to be validated. Copyright 2010 S. Karger AG, Basel. This article was published in Urol Int and referenced in Medical & Surgical Urology

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