The Usefulness of the Alpha-Retroflex Position in Biliary Cannulation on Single-Balloon Enteroscopy-Assisted Endoscopic Retrograde Cholangiopancreatography in Patients with Roux-en-Y Gastrectomy: A Retrospective Study.

Hiroo Imazu,Rota Osawa,Koji Yamada,Toshimi Takahashi,Muneo Kawamura,Shuzo Nomura,Suguru Hamana,Noriyuki Kuniyoshi,Mariko Fujisawa,Kei Saito,Hirofumi Kogure

Gastroenterology research and practice（2023）

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摘要

This was the first study of a cannulation strategy that included the A-position in addition to the S- and J-positions. The study showed that the A-position is feasible and safe in BE-ERCP in patients with Roux-en-Y gastrectomy.

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关键词

biliary cannulation,alpha-retroflex,single-balloon,enteroscopy-assisted,roux-en-y

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