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Percutaneous antegrade removal of foreign bodies in the urinary tract: a 20-year, single-center experience

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Abstract
Background: While removing urinary tract foreign bodies is mostly performed through retrograde cystoscopy, antegrade
removal using interventional procedures is reported less frequently.
Purpose: To evaluate the safety and effectiveness of percutaneous antegrade removal of urinary tract foreign bodies.
Material and Methods: A total of 14 consecutive patients (age range 9?80 years) who percutaneous antegrade
removal of urinary tract foreign bodies between January 2001 and March 2020 were reviewed. Detailed removal
procedures and complications were reviewed retrospectively.
Results: Types of foreign bodies were sheared percutaneous nephrostomy (PCN) catheters (n¼5), sheared double J
stents (n¼3), migrated ureteral catheters (n¼3), embolization coils (n¼2), and a 0.018-inch guide wire (n¼1). The
mean and median indwelling times (range 0?306 days) of the foreign bodies were 58.3 and 1.5 days, respectively.
Computed tomography (CT) scans were conducted in six patients, and the extent and nature of the foreign bodies
were well-visualized on CT scans. The removal access was new PCN access (n¼8), the tract missing PCN catheter
(n¼3), pre-existing PCN access (n¼2), and percutaneous dissection (n¼1). The removal success rate was 92.9%
(13/14) with either a simple (n¼8) or modified (n¼4; combination of a snare and guide wire is used) snare technique or
a direct forceps grasp (n¼1). The mean procedure time for successful cases was 14.2 min (range 7?25 min). Procedurerelated
hematoma with (n¼2) or without (n¼1) renal pelvis injury occurred in three patients, which were all selflimited
within one week.
Conclusion: Percutaneous antegrade removal is safe and effective for urinary tract foreign bodies.
Author(s)
김종우박정훈신지훈장은비조영철Alrashidi IbrahimHailiang LiLin Zheng
Issued Date
2021
Type
Article
Keyword
Presentation Abstracts
DOI
10.1055/s-0041-1740860
URI
https://oak.ulsan.ac.kr/handle/2021.oak/8314
https://ulsan-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=TN_cdi_thieme_journals_10_1055_s_0041_1740860&context=PC&vid=ULSAN&lang=ko_KR&search_scope=default_scope&adaptor=primo_central_multiple_fe&tab=default_tab&query=any,contains,Percutaneous%20antegrade%20removal%20of%20foreign%20bodies%20in%20the%20urinary%20tract:%20a%2020-year,%20single-center%20experience&sortby=rank
Publisher
ACTA RADIOLOGICA
Location
스웨덴
Language
한국어
ISSN
0284-1851
Citation Volume
62
Citation Number
8
Citation Start Page
1097
Citation End Page
1103
Appears in Collections:
Medicine > Medicine
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