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Short- and long-term outcomes of a novel transpapillary dilation technique using a diathermic dilator for severe benign bile duct stricture

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Title: Short- and long-term outcomes of a novel transpapillary dilation technique using a diathermic dilator for severe benign bile duct stricture
Authors: Kato, Shin Browse this author
Kuwatani, Masaki Browse this author →KAKEN DB
Kawakubo, Kazumichi Browse this author →KAKEN DB
Sugiura, Ryo Browse this author
Hirata, Koji Browse this author
Nakajima, Masahito Browse this author
Hirata, Hajime Browse this author
Kawakami, Hiroshi Browse this author →KAKEN DB
Sakamoto, Naoya Browse this author →KAKEN DB
Keywords: benign biliary stricture
cystotome
diathermic dilation
electrocautery dilation
long-term outcome
Issue Date: 6-Jul-2019
Publisher: John Wiley & Sons
Journal Title: Digestive endoscopy
Volume: 31
Issue: 4
Start Page: 448
End Page: 452
Publisher DOI: 10.1111/den.13418
PMID: 30965388
Abstract: Endoscopic dilation for severe benign biliary stricture using mechanical dilation devices is occasionally ineffective. Hence, diathermic dilation has recently been gaining attention as a salvage procedure. We evaluated the short- and long-term outcomes of diathermic dilation for severe benign biliary stricture that could not be dilated using conventional mechanical dilation. Thirteen consecutive cases with severe benign biliary stricture that underwent diathermic dilation using 6-Fr electrocautery dilator were enrolled. Short- and long-term outcomes were analyzed. Diathermic dilation was successful in 13 cases (100%), whereas stent was successfully placed in 12 cases (92.3%). Adverse events occurred in two cases (15.4%): mild hemobilia and cholangitis. Recurrence of bile duct stricture was observed in five out of 12 cases (41. 7%) in the 1115-day median follow-up period. Finally, eight cases achieved stent-free state (61.5%) and have remained stent-free without any episode of cholangitis and abnormal liver function test. Diathermic dilation using 6-Fr electrocautery dilator is a promising salvage procedure for severe benign biliary stricture when the conventional dilation technique has been ineffective.
Rights: This is the peer reviewed version of the following article: Digestive Endoscopy: 31(4): 448-452, which has been published in final form at https://doi.org/10.1111/den.13418. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Type: article (author version)
URI: http://hdl.handle.net/2115/78811
Appears in Collections:医学院・医学研究院 (Graduate School of Medicine / Faculty of Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 桒谷 将城

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