Removal of retrievable self-expandable urethral stents: experience in 58 stents

European Radiology
Ji Hoon ShinKyu-Bo Sung

Abstract

The purpose of this study was to retrospectively evaluate the safety and efficacy of removing retrievable self-expandable urethral stents using a retrieval hook wire. Under fluoroscopic guidance, the removal of 58 polyurethane or PTFE (polytetrafluoroethylene)-covered stents was attempted in 33 patients using a retrieval hook wire. Indications for removal were elective removal (n = 21), stent migration (n = 19), formation of tissue hyperplasia around or inside of the stent (n = 14), stent deformity (n = 3), and severe pain (n = 1). The mean time the stents remained in place was 64.8 +/- 42.9 days (range, 1-177 days). Fifty-six (97%) of the 58 stents were successfully removed using the retrieval hook wire despite the following difficulties; hook wire disconnection (n = 2), untied drawstrings (n = 3), and polyurethane membrane disruption/separation (n = 4). The removal procedure using a retrieval hook wire failed in two stents (3%) which had migrated into the urinary bladder. One of the two stents with migration into the urinary bladder was removed using a snare through the cystostomy route. The overall complication rate was 14% (seven hematuria cases and one urethral tear case), and all were minor and spontaneously resolved with...Continue Reading

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Citations

Apr 17, 2007·Cardiovascular and Interventional Radiology·Verónica CrisóstomoJesús Usón-Gargallo
Nov 22, 2007·AJR. American Journal of Roentgenology·Eugene K ChoiChoung-Soo Kim
Oct 29, 2010·Journal of Vascular and Interventional Radiology : JVIR·Yong-Dong LiGyungyub Gong
Mar 1, 2007·Journal of Vascular and Interventional Radiology : JVIR·Eugene K ChoiJae-Wook Kim
Dec 1, 2010·Liver Transplantation : Official Publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society·Jinoo KimHyun-Ki Yoon
Jun 11, 2014·Journal of Vascular and Interventional Radiology : JVIR·Jung-Hoon ParkJihong Park
Jul 16, 2016·Cardiovascular and Interventional Radiology·Jung-Hoon ParkHo-Young Song
Aug 26, 2016·Veterinary Surgery : VS·Jan M TrelaJorge E Nieto

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