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Title: ダブルJステントの閉塞に関する検討
Other Titles: Management of Internal Ureteral Stent (Double J-Stent) Occlusion
Authors: 松村, 善昭  KAKEN_name
大森, 千尋  KAKEN_name
辰巳, 佳弘  KAKEN_name
伊丹, 祥隆  KAKEN_name
井上, 剛志  KAKEN_name
三馬, 省二  KAKEN_name
影林, 賴明  KAKEN_name
Author's alias: MATSUMURA, Yoshiaki
OHMORI, Chihiro
TATSUMI, Yoshihiro
ITAMI, Yoshitaka
INOUE, Takeshi
SAMMA, Shoji
Keywords: Occlusionon of ureteral stent
Double J-stent
Issue Date: 31-Jul-2022
Publisher: 泌尿器科紀要刊行会
Journal title: 泌尿器科紀要
Volume: 68
Issue: 7
Start page: 233
End page: 237
Abstract: Occlusion of internal ureteral stents commonly called double-J (DJ) stent leads to renal dysfunction, urinary tract infection, and difficulty in replacing the stent. We investigated the cause of stent occlusion and whether DJ stent occlusion persisted with change in the type of stent. The internal ureteral stent, Bird® Inlay™ Optima or Boston Scientific® Tria™, was inserted in 43 ureters of 33 patients who underwent replacement more than three times between September 2017 and June 2020. We defined stent occlusion as follows: a guide wire could not be passed through a stent during the replacement. In the first occlusion, the type of stent was changed. In the second occlusion, the stent placement interval was shortened from 12-13 weeks to 6-8 weeks. The presence of urinary stone and insertion of a urethral catheter had a high risk of DJ stent occlusion. Stent occlusion was observed in 20 of the 43 ureters. After the type of stent in 20 ureters with stent occlusion was changed, there were no DJ stent occlusions in 16 of the 20 ureters. Nevertheless, in 4 of the 20 ureters, even if we changed the type, DJ stent occlusion was still present; hence, the replacement interval was shortened. Therefore, changing the type of stent may be a recommended intervention for DJ stent occlusion.
Rights: 許諾条件により本文は2023/08/01に公開
DOI: 10.14989/ActaUrolJap_68_7_233
PubMed ID: 35924706
Appears in Collections:Vol.68 No.7

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