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Japanese

Clinical Characteristics of the Double-J Ureteral Stent Placement in Patients with Upper Urinary Tract Obstruction Kazuya Omoto 1,2 , Naruaki Takano 1 , Tatsuo Konomoto 1 , Noriyuki Kuroda 1 Keyword: 尿管ステント , 悪性腫瘍 , 尿管閉塞 pp.697-701
Published Date 2000/8/20
DOI https://doi.org/10.11477/mf.1413903043
  • Abstract
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The cause of stent failure and the complications after stentplacement for hydronephrosis were investigated in 51patients with 63 ureteral obstruction kidneys in which thedouble-J ureteral stents were placed.Forty nine kidneysout of 63(78%) improved hydronephrosis after stentplacement, but no improvemeut was seen in the remainingkidneys (22%). It was suggested that the stent failurewas caused by stent luminal occlusion induced by mucosa,blood clots and tumor which entered into the lumen throughthe side holes of stent, The rate of stent failure was higherwith malignant ureteral obstructions than benign ureteralobstructions.


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電子版ISSN 1882-1332 印刷版ISSN 0385-2393 医学書院

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