Author

Yousuke Nakai 1

1 Department Of Gastroenterology, Graduate School Of Medicine, The University Of Tokyo, Tokyo, Japan

“SHORT” SINGLE-BALLOON VERSUS DOUBLE-BALLOON ENDOSCOPE FOR PANCREATICOBILIARY INTERVENTIONS IN PATIENTS WITH SURGICALLY ALTERED ANATOMY

Yousuke Nakai, Atsuo Yamada, Hiroyuki Isayama, Naminatsu Takahara, Rie Uchino, Tsuyoshi Hamada, Koji Miyabayashi, Dai Mohri, Natsuyo Yamamoto, Kenji Hirano, Minoru Tada

A 19-GAUGE HISTOLOGY NEEDLE VERSUS A 19-GAUGE STANDARD NEEDLE IN SINGLE-PASS OF EUS-FNA FOR SOLID LESIONS: A MULTI-CENTER RANDOMIZED CROSSOVER TRIAL

Takuji Iwashita, Yousuke Nakai, Tsuyoshi Mukai, Saburo Matsubara, Osamu Togawa, Hiroyuki Isayama, Ichiro Yasuda

A MULTICENTER RANDOMIZED TRIAL OF ENDOSCOPIC PAPILLARY LARGE BALLOON DILATION ALONE VERSUS ENDOSCOPIC SPHINCTEROTOMY FOR REMOVAL OF BILE DUCT STONES: MARVELOUS TRIAL

Yousuke Nakai, Shuhei Kawahata, Tsuyoshi Mukai, Shinpei Doi, Takuji Iwashita, Tesshin Ban, Yukiko Ito, Hiroshi Kawakami, Tsuyoshi Hayashi, Naoki Sasahira, Kensuke Kubota, Osamu Togawa, Hironari Kato, Yoshinobu Okabe, Saburo Matsubara, Hiroshi Yagioka, Tomotaka Saito, Hiroyuki Isayama

A MULTICENTER RETROSPECTIVE STUDY OF COMPARISON WITH STEP-UP TREATMENT AFTER EUS-GUIDED TRANSMURAL DRAINAGE FOR WALLED-OFF NECROSIS: WONDERFUL STUDY GROUP

Tomotaka Saito, Masahiro Tsujimae, Atsuhiro Masuda, Shunsuke Omoto, Mamoru Takenaka, Tatsuya Sato, Tsuyoshi Hamada, Shinya Uemura, Takuji Iwashita, Shogo Ota, Hideyuki Shiomi, Keito Nakagawa, Saburo Matsubara, Sho Takahashi, Toshio Fujisawa, Kensaku Yoshida, Aknori Maruta, Mitsuru Okuno, Keisuke Iwata, Nobuhiko Hayashi;;

A PROSPECTIVE MULTICENTER STUDY OF A FULLY-COVERED METAL STENT IN PATIENTS WITH DISTAL MALIGNANT BILIARY OBSTRUCTION: WATCH-2 STUDY.

Yousuke Nakai

A PROSPECTIVE MULTICENTER STUDY OF A FULLY-COVERED METAL STENT IN PATIENTS WITH DISTAL MALIGNANT BILIARY OBSTRUCTION: WATCH-2 STUDY.

Yousuke Nakai, Shomei Ryozawa, Hiroyuki Isayama, Ichiro Yasuda, Hitoshi Mochizuki, Hirotoshi Iwano, Hiroyuki Maguchi, Mitsuhiro Kida, Tsuyoshi Mukai, Osamu Hasebe, Yoshinori Igarashi, Keiji Hanada, Atsushi Irisawa, Kei Ito

A PROSPECTIVE STUDY OF TEMPORARY PLACEMENT OF A FULLY-COVERED METAL STENT FOR REFRACTORY BENIGN BILIARY STRICTURE

Tatsuya Sato, Hirofumi Kogure, Yousuke Nakai, Akiyuki Inokuma, Yukari Suzuki, Hiroki Oyama, Sachiko Kanai, Tatsunori Suzuki, Tomoka Nakamura, Kazunaga Ishigaki, Ryunosuke Hakuta, Kei Saito, Tomotaka Saito, Naminatsu Takahara, Tsuyoshi Hamada, Suguru Mizuno, Atsuo Yamada, Minoru Tada, Hiroyuki Isayama, Kazuhiko Koike

A RETROSPECTIVE COMPARATIVE STUDY OF SLOW PULL VS. SUCTION TECHNIQUE IN ENDOSCOPIC ULTRASOUND-GUIDED FINE-NEEDLE ASPIRATION OF PANCREATIC SOLID LESIONS

Hiroyuki Isayama, Natsuyo Yamamoto, Tsuyoshi Hamada, Naminatsu Takahara, Rie Uchino, Suguru Mizuno, Koji Miyabayashi, Keisuke Yamamoto, Dai Mohri, Kazumichi Kawakubo, Yousuke Nakai, Kenji Hirano, Minoru Tada

ANTIREFLUX METAL STENT VS. CONVENTIONAL COVERED METAL STENT FOR NONRESECTABLE DISTAL MALIGNANT BILIARY OBSTRUCTION: A MULTICENTER RANDOMIZED CONTROLLED TRIAL

Tsuyoshi Hamada, Hiroyuki Isayama, Yousuke Nakai, Takuji Iwashita, Yukiko Ito, Tsuyoshi Mukai, Hiroshi Yagioka, Tomotaka Saito, Osamu Togawa, Shomei Ryozawa, Kenji Hirano, Suguru Mizuno, Natsuyo Yamamoto, Hirofumi Kogure, Ichiro Yasuda, Kazuhiko Koike

BILIARY DRAINAGE FOR MALIGNANT BILIARY OBSTRUCTION CAUSED BY METASTATIC GASTRIC CANCER.

Naminatsu Takahara, Hiroyuki Isayama, Hironori Ishigami, Tsuyoshi Hamada, Koji Miyabayashi, Dai Mohri, Yousuke Nakai, Natsuyo Yamamoto, Kenji Hirano, Minoru Tada

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