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Recanalization of refractory benign biliary stricture using magnetic compression anastomosis

 Sung Ill Jang  ;  Kwangwon Rhee  ;  Haewon Kim  ;  Yong Hoon Kim  ;  Jieun Yun  ;  Kwang-Hun Lee  ;  Seungmin Bang  ;  Jae Bok Chung  ;  Dong Ki Lee 
 Endoscopy, Vol.46(1) : 70-74, 2014 
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BACKGROUND AND STUDY AIMS: Endoscopic or percutaneous treatments are preferentially attempted for benign biliary stricture (BBS). However, these methods are not feasible if a guide wire cannot be passed through the stricture. This study evaluated the usefulness and technical requirements of magnetic compression anastomosis (MCA) in refractory BBS. PATIENTS AND METHODS: MCA was performed in patients with BBS that had not been resolved with conventional treatments. One magnet was delivered through the percutaneous transhepatic biliary drainage tract and the other magnet was advanced through three different routes. After magnet approximation and recanalization, an internal drainage catheter was placed for 6 months and then removed. RESULTS: Seven patients underwent MCA, and recanalization was successfully achieved in five. MCA failure in two cases was attributed to long stenotic segments and parallel alignment of the axes of the magnets. The mean follow-up period after recanalization was 485.2 days. Five patients with successful recanalization showed no MCA-related complications or restenosis. CONCLUSIONS: MCA represents an alternative nonsurgical method of BBS recanalization that cannot be treated with conventional methods.
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1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실)
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실)
Yonsei Authors
방승민(Bang, Seungmin) ORCID logo https://orcid.org/0000-0001-5209-8351
이광원(Rhee, Kwang Won)
이광훈(Lee, Kwang Hun)
이동기(Lee, Dong Ki) ORCID logo https://orcid.org/0000-0002-0048-9112
장성일(Jang, Sung Ill) ORCID logo https://orcid.org/0000-0003-4937-6167
정재복(Chung, Jae Bock)
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