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KMID : 1188320150090060800
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Gut and Liver
2015 Volume.9 No. 6 p.800 ~ p.804
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Clinical Features and Outcomes of Endoscopic Treatment for Stones in Stemware-Shaped Common Bile Ducts: A Multicenter Data Analysis
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Han Jee-Young
Lee Don-Haeng
Jeong Seok
Choi Hyun-Jong
Moon Jong-Ho
Han Joung-Ho
Kwon Chang-Il
Lee Tae-Hoon
Hyun Jong-Jin
Hwang Jae-Chul
Koh Dong-Hee
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Abstract
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Background/Aims:Various anatomical features of the biliary tree affect ability to remove difficult common bile duct (CBD) stones. In this study, we evaluated the clinical characteristics and outcomes of the endoscopic treatment of stones in stemware-shaped CBDs.
Methods:Thirty-four patients with a stone and a stemware-shaped CBD who were treated at different tertiary referral centers from January 2008 to December 2012 were studied retrospectively. When stone removal failed, percutaneous or direct peroral cholangioscopic lithotripsy, endoscopic retrograde biliary drainage, or surgery was performed as a second-line procedure.
Results:The overall success rate of the first-line procedure was 41.2%. Five of the 34 patients (14.7%) experienced procedure-related complications. No procedure-related mortality occurred. Mechanical lithotripsy was required to completely remove stones in 13 patients (38.2%). Conversion to a second-line procedure was required in 20 patients (58.8%). Mechanical lithotripsy was needed in 75% and 66.7% of those with a stone size of <1 cm or ≥1 cm, respectively. Stone recurrence occurred in two patients (9.1%) after 6 months and 27 months, respectively.
Conclusions:The endoscopic treatment of stones in a stemware-shaped CBD is challenging. The careful assessment of difficult CBD stones is required before endoscopic procedures.
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KEYWORD
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Common bile duct, Choledocholithiasis, Mechanical lithotripsy, Cholangiopancreatography, endoscopic retrograde
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