Identification of retrograde peristalsis determines the afferent limb during double-balloon ERCP: the tidal wave sign

Endoscopy 2019; 51(06): E141-E142
DOI: 10.1055/a-0866-9226

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Tetsuya Iwasaki

Department of Gastroenterology and Hepatology, National Hospital Organization Osaka National Hospital, Osaka, Japan

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Tomofumi Akasaka

Department of Gastroenterology and Hepatology, National Hospital Organization Osaka National Hospital, Osaka, Japan

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Yuko Sakakibara

Department of Gastroenterology and Hepatology, National Hospital Organization Osaka National Hospital, Osaka, Japan

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Shoichi Nakazuru

Department of Gastroenterology and Hepatology, National Hospital Organization Osaka National Hospital, Osaka, Japan

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Hisashi Ishida

Department of Gastroenterology and Hepatology, National Hospital Organization Osaka National Hospital, Osaka, Japan

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Eiji Mita

Department of Gastroenterology and Hepatology, National Hospital Organization Osaka National Hospital, Osaka, Japan

References
1 Shimatani M, Matsushita M, Takaoka M. et al. Effective ‘short’ double-balloon enteroscope for diagnostic and therapeutic ERCP in patients with altered gastrointestinal anatomy: a large case series. Endoscopy 2009; 41: 849-854
2 Yano T, Hatanaka H, Yamamoto H. et al. Intraluminal injection of indigo carmine facilitates identification of the afferent limb during double-balloon ERCP. Endoscopy 2012; 44: E340-E341
3 Fukuba N, Moriyama I, Ishihara S. et al. Carbon dioxide enterography: a useful method for double-balloon enteroscopy-assisted ERCP. Endoscopy 2014; 46: E587-E588