RMS 难治性输尿管狭窄RMS 难治性输尿管狭窄.pdf

World J Urol DOI 10.1007/s00345-008-0245-4 ORIGINAL ARTICLE Initial clinical experience with full-length metal ureteral stents for obstructive ureteral stenosis Udo Nagele · Markus A. Kuczyk · Marcus Horstmann · Jörg Hennenlotter · Karl-Dietrich Sievert · David Schilling · Ute Walcher · Arnulf Stenzl · Aristotelis G. Anastasiadis Received: 11 October 2007 / Accepted: 13 February 2008 © Springer-Verlag 2008 Abstract ciated with inadequate stent length and should increase Objectives Long-term ureteral stenting is used to ensure patient comfort and stent durability. urinary drainage if a reconstructive approach or a release of an extrinsic obstruction is not possible. In this contribution, Keywords Ureteral obstruction · Endourology · Metal stent a long-term experience with a new full-length, metal indwelling stent is presented. Methods Fourteen patients with ureteral obstruction Introduction received full metal indwelling stents in 18 collecting sys- tems (benign disease in 5 and malignant disease in 13). The aim of long-term ureteral stenting in the case of Stent placement was performed cystoscopically under Xuo- obstruction of the upper urinary tract is to ensure urinary roscopic guidance. Follow-up was done every 3 months drainage from the kidney to the bladder, if a reconstructive with ultrasonographic examination, creatinine levels, and a approach cannot be achieved due to patient status or if a visual analog pain score. release of an extrinsic obstruction is not possible by medi- Results Eight stents were removed, whereas eight are still cal or interventional treatm