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Needle knife sphincterotomy for an impacted ampullary stone with difficult selective biliary cannulation

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Title: Needle knife sphincterotomy for an impacted ampullary stone with difficult selective biliary cannulation
Authors: Kawakami, Hiroshi Browse this author
Kuwatani, Masaki Browse this author
Onodera, Manabu Browse this author
Haba, Shin Browse this author
Asaka, Masahiro Browse this author
Keywords: common bile duct stone
needle knife sphincterotomy
precut
selective common bile duct cannulation
wire-guided cannulation
Issue Date: Jun-2010
Publisher: Wiley-Blackwell
Journal Title: Digestive Endoscopy
Volume: 22
Issue: Supplement s1
Start Page: S107
End Page: S110
Publisher DOI: 10.1111/j.1443-1661.2010.00956.x
PMID: 20590756
Abstract: Endoscopic treatment is highly effective for extracting common bile duct (CBD) stones and is the most common therapeutic method for CBD stones. For patients with CBD stones, the treatment goal is to completely clear the biliary duct. In general, the successful extraction rate using a basket and/or balloon catheter is as high as 90%. However, stones that are resistant to conventional endoscopic treatment procedures can be both challenging and time consuming to treat; and successful treatment can require a combination of techniques, including mechanical lithotripsy or extracorporeal shock wave lithotripsy. We performed needle knife sphincterotomy and attempted to remove a CBD stone using biopsy forceps and alligator grasping forceps without a lithotripter in a patient with a large impacted stone at the ampulla of Vater. After attempting several techniques, the stone was successfully removed with balloon extraction.
Rights: The definitive version is available at www.blackwell-synergy.com
Type: article (author version)
URI: http://hdl.handle.net/2115/46757
Appears in Collections:北海道大学病院 (Hokkaido University Hospital) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 河上 洋

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