IRISAWA ATSUSHI

Department of Gastroenterology, Professor

Endoscopic ultrasound-guided coil deployment with sclerotherapy for isolated gastric varices: Case series of feasibility, safety, and long-term follow-up., Irisawa Atsushi;Shibukawa Goro;Hoshi Koki;Yamabe Akane;Sato Ai;Maki Takumi;Yoshida Yoshitsugu;Yamamoto Shogo;Obara Katsutoshi, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 32(7), 1100-1104, Nov. 2020

[EUS-guided vascular therapy:current situation and future perspective]., Irisawa Atsushi;Nagashima Kazunori;Iijima Makoto, Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology, 117(12), 1053-1061, 2020

Recent innovations in therapeutic endoscopy for pancreatobiliary diseases., Irisawa Atsushi;Miyoshi Hironao;Itoi Takao;Ryozawa Shomei;Kida Mitsuhiro;Inui Kazuo, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 32(3), 309-315, Mar. 2020

[EUS-guided treatment for gastric varices]., Irisawa Atsushi, Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology, 115(12), 1057-1062

Collateral vessels around the esophageal wall in patients with portal hypertension: comparison of EUS imaging and microscopic findings at autopsy., Irisawa Atsushi;Shibukawa Goro;Obara Katsutoshi;Saito Ayako;Takagi Tadayuki;Shishido Hideo;Odajima Hajime;Abe Masafumi;Sugino Takashi;Suzuki Toshimitsu;Kasukawa Reiji;Sato Yukio, Gastrointestinal endoscopy, 56(2), 249-253, Aug. 2002

Role of para-esophageal collateral veins in patients with portal hypertension based on the results of endoscopic ultrasonography and liver scintigraphy analysis., Irisawa Atsushi;Obara Katsutoshi;Bhutani Manoop S;Saito Ayako;Shishido Hideo;Shibukawa Goro;Takagi Tadayuki;Yamamoto Go;Seino Osamu;Shishido Fumio;Kasukawa Reiji;Sato Yukio, Journal of gastroenterology and hepatology, 18(3), 309-314, Mar. 2003

[Interventional endoscopic ultrasonography for pancreatic tumor: EUS-guided fine needle aspiration biopsy and injection]., Irisawa Atsushi;Hikichi Takuto;Yamao Kenji;Bhutani Manoop S;Obara Katsutoshi;Takenoshita Seiichi;Sato Yukio, Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology, 100(3), 280-291, Mar. 2003

Variceal recurrence after endoscopic sclerotherapy associated with the perforating veins in lower esophagus independently., Shibukawa Goro;Irisawa Atsushi;Saito Ayako;Takahashi Atsushi;Sato Hiroshi;Takagi Tadayuki;Yamamoto Go;Hikichi Takuto;Oyama Hitoshi;Sato Naoto;Sugino Takashi;Suzuki Toshimitsu;Obara Katsutoshi;Sato Yukio, Hepato-gastroenterology, 51(57), 744-747

Endosonographic features of solitary gastric amyloidosis., Shibukawa Goro;Irisawa Atsushi;Takagi Tadayuki;Hikichi Takuto;Yamamoto Go;Wakatsuki Takeru;Takahashi Yuta;Ogura Go;Hojyo Hiroshi;Obara Katsutoshi;Sato Yukio, Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine, 23(5), 719-722, May 2004

Quantitative analysis of endosonographic parenchymal echogenicity in patients with chronic pancreatitis., Irisawa Atsushi;Mishra Girish;Hernandez Lyndon V;Bhutani Manoop S, Journal of gastroenterology and hepatology, 19(10), 1199-1205, Oct. 2004

Endoscopic ultrasound in the diagnosis, staging, and management of gastrointestinal and adjacent malignancies., Tamerisa Radha;Irisawa Atsushi;Bhutani Manoop S, The Medical clinics of North America, 89(1), 139-58, viii, Jan. 2005

[Case report on intra-tumor injection therapy of dendritic cells in advanced gastric cancer]., Kanazawa Masashi;Yoshihara Kazue;Abe Hiroyuki;Iwadate Manabu;Watanabe Kumiko;Suzuki Satoshi;Endoh Yoshiyuki;Ohki Shinnji;Takita Ken-ichi;Sekikawa Kouji;Takenoshita Seiichi;Takagi Tadayuki;Irisawa Atsushi;Sato Yukio;Ogata Takashi;Ohto Hitoshi, Gan to kagaku ryoho. Cancer & chemotherapy, 31(11), 1773-1776, Oct. 2004

Hepatocellular carcinoma associated with Wilson's disease., Iwadate Haruyo;Ohira Hiromasa;Suzuki Tomohiro;Abe Kazumichi;Yokokawa Junko;Takiguchi Junko;Rai Tsuyoshi;Orikasa Hiroshi;Irisawa Atsushi;Obara Katsutoshi;Kasukawa Reiji;Sato Yukio, Internal medicine (Tokyo, Japan), 43(11), 1042-1045, Nov. 2004

Predicting esophageal varices by real-time ultrasonography in patients with disorders of hemostasis., Irisawa Atsushi, Haematologica, 90(2), 149, Feb. 2005

Effectiveness of intragastric immunization with protein and oligodeoxynucleotides containing a CpG motif for inducing a gastrointestinal mucosal immune response in mice., Hikichi Takuto;Kobayashi Hiroko;Oyama Hitoshi;Yamamoto Go;Watanabe Hiroshi;Irisawa Atsushi;Obara Katsutoshi;Sato Yukio, Fukushima journal of medical science, 51(1), 19-31, Jun. 2005

Comparative study of diagnostic value of cytologic sampling by endoscopic ultrasonography-guided fine-needle aspiration and that by endoscopic retrograde pancreatography for the management of pancreatic mass without biliary stricture., Wakatsuki Takeru;Irisawa Atsushi;Bhutani Manoop S;Hikichi Takuto;Shibukawa Goro;Takagi Tadayuki;Yamamoto Go;Takahashi Yuta;Yamada Yukie;Watanabe Kazuo;Obara Katsutoshi;Suzuki Toshimitsu;Sato Yukio, Journal of gastroenterology and hepatology, 20(11), 1707-1711, Nov. 2005

[Two case reports on intra-tumor injection therapy of dendritic cells]., Kanazawa Masashi;Yoshihara Kazue;Abel Hiroyuki;Suzuki Satoshi;Endoh Yoshiyuki;Onogi Hitoshi;Ohki Shinji;Takita Ken-ichi;Sekikawa Kouji;Takenoshita Seiichi;Takagi Tadayuki;Irisawa Atsushi;Satoh Yukio;Ogata Takashi;Ohto Hitoshi, Gan to kagaku ryoho. Cancer & chemotherapy, 32(11), 1571-1573, Oct. 2005

[Influence of cytochrome P450 2C19 genetic polymorphism on H. pylori eradication therapy]., Hikichi Takuto;Irisawa Atsushi;Abe Chikako;Obara Katsutoshi;Sato Yukio, Nihon rinsho. Japanese journal of clinical medicine, 63 Suppl 11, 569-572, Nov. 2005

Usefulness of endoscopic ultrasound to diagnose the severity of chronic pancreatitis., Irisawa Atsushi;Katakura Kyoko;Ohira Hiromasa;Sato Ai;Bhutani Manoop S;Hernandez Lyndon V;Koizumi Masaru, Journal of gastroenterology, 42 Suppl 17, 90-94, Jan. 2007

Intraductal sonography of biliary varices associated with extrahepatic portal vein obstruction., Rai Tsuyoshi;Irisawa Atsushi;Takagi Tadayuki;Shibukawa Goro;Wakatsuki Takeru;Imamura Hidemichi;Takahashi Yuta;Sato Ai;Sato Masaki;Hikichi Takuto;Obara Katsutoshi;Ohira Hiromasa, Journal of clinical ultrasound : JCU, 35(9), 527-530

Endosonographic diagnosis and follow-up of phlegmonous gastritis., Kan-no Yukiko;Irisawa Atsushi;Takagi Tadayuki;Shibukawa Goro;Wakatsuki Takeru;Suzuki Eiji;Iwadate Haruyo;Sasajima Tomomi;Imamura Hidemichi;Takahashi Yuta;Hikichi Takuto;Ohira Hiromasa, Journal of clinical ultrasound : JCU, 35(9), 524-526

Gastric antral vascular ectasia (GAVE) associated with systemic sclerosis: relapse after endoscopic treatment by argon plasma coagulation., Shibukawa Goro;Irisawa Atsushi;Sakamoto Natsumi;Takagi Tadayuki;Wakatsuki Takeru;Imamura Hidemichi;Takahashi Yuta;Sato Ai;Sato Masaki;Hikichi Takuto;Obara Katsutoshi;Ohira Hiromasa, Internal medicine (Tokyo, Japan), 46(6), 279-283, 2007

Expression of human glucocorticoid receptor beta of peripheral blood mononuclear cells in patients with severe autoimmune hepatitis., Rai Tsuyoshi;Monoe Kyoko;Kanno Yukiko;Saito Hironobu;Takahashi Atsushi;Irisawa Atsushi;Ohira Hiromasa, Fukushima journal of medical science, 52(2), 65-70, Dec. 2006

Clinicolaboratory characteristics of Japanese patients with primary biliary cirrhosis-autoimmune hepatitis overlap., Saito Hironobu;Rai Tsuyoshi;Takahashi Atsushi;Kanno Yukiko;Monoe Kyoko;Irisawa Atsushi;Ohira Hiromasa, Fukushima journal of medical science, 52(2), 71-77, Dec. 2006

Possible association of cytotoxic T lymphocyte antigen-4 genetic polymorphism with liver damage of primary biliary cirrhosis in Japan., Kanno Yukiko;Rai Tsuyoshi;Monoe Kyoko;Saito Hironobu;Takahashi Atsushi;Irisawa Atsushi;Ohira Hiromasa, Fukushima journal of medical science, 52(2), 79-85, Dec. 2006

Effect of isosorbide dinitrate on gastric blood flow in rats with liver cirrhosis determined by analyzing gastric blood flow, portal vein pressure and blood gas., Takiguchi Fujio;Irisawa Atsushi;Saito Ayako;Sakamoto Hiroaki;Obara Katsutoshi;Kasukawa Reiji;Ohira Hiromasa, Fukushima journal of medical science, 52(2), 111-124, Dec. 2006

Case of an elderly man with associated Henoch-Schönlein purpura during treatment of acute pancreatitis., Sato Shuzo;Irisawa Atsushi;Shio Kiori;Takagi Tadayuki;Ohira Hiromasa, Fukushima journal of medical science, 52(2), 135-142, Dec. 2006

A case of rapidly expanding and increasing focal nodular hyperplasia., Sato Ai;Rai Tsuyoshi;Takahashi Atsushi;Saito Hironobu;Takagi Tadayuki;Shibukawa Goro;Wakatsuk Takeru;Takahashi Yuta;Irisawa Atsushi;Ise Kazuya;Watanabe Kazuo;Gotoh Mitsukazu;Ohira Hiromasa, Fukushima journal of medical science, 52(2), 149-155, Dec. 2006

Two cases of primary biliary cirrhosis complicated by acute leukemia., Saito Hironobu;Monoe Kyoko;Kanno Yukiko;Takahashi Atsushi;Rai Tsuyoshi;Irisawa Atsushi;Ohira Hiromasa, Internal medicine (Tokyo, Japan), 46(9), 561-563, 2007

Autoimmune hepatitis complicated by late-onset systemic lupus erythematosus., Takahashi Atsushi;Rai Tsuyoshi;Onizawa Michio;Monoe Kyoko;Kanno Yukiko;Saito Hironobu;Abe Kazumichi;Yokokawa Junko;Irisawa Atsushi;Ohira Hiromasa, Hepatology research : the official journal of the Japan Society of Hepatology, 37(9), 771-774, Sep. 2007

Balloon-catheter-assisted complete endoscopic snare resection for choledochocele by using double-channel duodenoscope (with videos)., Itoi Takao;Gotoda Takuji;Yasuda Ichiro;Katanuma Akio;Ryozawa Shomei;Irisawa Atsushi;Moriyasu Fuminori, Gastrointestinal endoscopy, 66(3), 622-625, Sep. 2007

Endoscopic ultrasound-guided fine-needle injection of immature dendritic cells into advanced pancreatic cancer refractory to gemcitabine: a pilot study., Irisawa Atsushi;Takagi Tadayuki;Kanazawa Masashi;Ogata Takashi;Sato Yukio;Takenoshita Sei-ichi;Ohto Hitoshi;Ohira Hiromasa, Pancreas, 35(2), 189-190, Aug. 2007

A case of transgastric gallbladder puncture as a complication during endoscopic ultrasound-guided drainage of a pancreatic pseudocyst., Hikichi Takuto;Irisawa Atsushi;Takagi Tadayuki;Shibukawa Goro;Wakatsuki Takeru;Imamura Hidemichi;Takahashi Yuta;Sato Ai;Sato Masaki;Oyama Hitoshi;Sato Naoto;Yamamoto Go;Mokonuma Tatsuyuki;Obara Katsutoshi;Ohira Hiromasa, Fukushima journal of medical science, 53(1), 11-18, Jun. 2007

Two cases of pancreatic abscess associated with penetration to the gastrointestinal tract during treatment using endoscopic ultrasound-guided drainage., Imamura Hidemichi;Irisawa Atsushi;Takagi Tadayuki;Shibukawa Goro;Wakatsuki Takeru;Takahashi Yuta;Sato Ai;Sato Masaki;Hikichi Takuto;Obara Katsutoshi;Ohira Hiromasa, Fukushima journal of medical science, 53(1), 39-49, Jun. 2007

A case of esophageal small cell carcinoma associated with hypercalcemia causing severe acute pancreatitis., Kanno Kaori;Hikichi Takuto;Saito Keietsu;Watanabe Kenya;Takagi Tadayuki;Shibukawa Goro;Wakatsuki Takeru;Imamura Hidemichi;Takahashi Yuta;Sato Ai;Sato Masaki;Irisawa Atsushi;Obara Katsutoshi;Ohira Hiromasa, Fukushima journal of medical science, 53(1), 51-60, Jun. 2007

Gastric bronchogenic cyst diagnosed by endosonographically guided fine needle aspiration biopsy., Sato Masaki;Irisawa Atsushi;Bhutani Manoop S;Schnadig Vicki;Takagi Tadayuki;Shibukawa Goro;Wakatsuki Takeru;Imamura Hidemichi;Takahashi Yuta;Sato Ai;Hikichi Takuto;Obara Katsutoshi;Hashimoto Yuko;Watanabe Kazuo;Ohira Hiromasa, Journal of clinical ultrasound : JCU, 36(4), 237-239, May 2008

Case of clear-cell hepatocellular carcinoma that developed in the normal liver of a middle-aged woman., Takahashi Atsushi;Saito Hironobu;Kanno Yukiko;Abe Kazumichi;Yokokawa Junko;Irisawa Atsushi;Kenjo Akira;Saito Takuro;Gotoh Mitsukazu;Ohira Hiromasa, World journal of gastroenterology, 14(1), 129-131, 07 Jan. 2008

[Verification of CTL assay and DTH used in monitoring of peptide-pulsed dendritic cell therapy]., Iwadate Manabu;Kanazawa Masashi;Satou Yu;Monma Tomoyuki;Sassa Motoki;Suzuki Satoshi;Endoh Yoshiyuki;Nakamura Izumi;Ohki Shinji;Sekikawa Kouji;Takenoshita Seiichi;Takagi Tadayuki;Irisawa Atsushi;Oohira Hiromasa;Ogata Takashi;Ohto Hitoshi, Gan to kagaku ryoho. Cancer & chemotherapy, 34(12), 1920-1922, Nov. 2007

Primary biliary cirrhosis complicated by polymyositis and pulmonary hypertension., Honma Fumiko;Shio Kiori;Monoe Kyoko;Kanno Yukiko;Takahashi Atsushi;Yokokawa Junko;Kobayashi Hiroko;Watanabe Hiroshi;Irisawa Atsushi;Ohira Hiromasa, Internal medicine (Tokyo, Japan), 47(7), 667-669, 2008

Breakthrough of immune self-tolerance to calreticulin induced by CpG-oligodeoxynucleotides as adjuvant., Abe Kazumichi;Ohira Hiromasa;Kobayashi Hiroko;Saito Hironobu;Takahashi Atsushi;Rai Tsuyoshi;Kanno Yukiko;Monoe Kyoko;Watanabe Hiroshi;Irisawa Atsushi;Sato Yukio, Fukushima journal of medical science, 53(2), 95-108, Dec. 2007

Primary adenocarcinoma of the minor duodenal papilla., Wakatsuki Takeru;Irisawa Atsushi;Takagi Tadayuki;Koyama Yoshihisa;Hoshi Sayuri;Takenoshita Seiichi;Abe Masafumi;Ohira Hiromasa, Yonsei medical journal, 49(2), 333-336, 30 Apr. 2008

Development of autoimmune hepatitis type 1 after pulsed methylprednisolone therapy for multiple sclerosis: a case report., Takahashi Atsushi;Kanno Yukiko;Takahashi Yuta;Sakamoto Natsumi;Monoe Kyoko;Saito Hironobu;Abe Kazumichi;Yokokawa Junko;Irisawa Atsushi;Ohira Hiromasa, World journal of gastroenterology, 14(35), 5474-5477, 21 Sep. 2008

Basic technique of FNA., Irisawa Atsushi;Hikichi Takuto;Bhutani Manoop S;Ohira Hiromasa, Gastrointestinal endoscopy, 69(2 Suppl), S125-S129, Feb. 2009

Curved linear array EUS technique in the pancreas and biliary tree: focusing on the stations., Irisawa Atsushi;Yamao Kenji, Gastrointestinal endoscopy, 69(2 Suppl), S84-S89, Feb. 2009

Interventional endoscopic ultrasonography., Yamao Kenji;Bhatia Vikram;Mizuno Nobumasa;Sawaki Akira;Shimizu Yasuhiro;Irisawa Atsushi, Journal of gastroenterology and hepatology, 24(4), 509-519, Apr. 2009

Endoscopic ultrasound-guided fine-needle aspiration of solid pancreatic masses with rapid on-site cytological evaluation by endosonographers without attendance of cytopathologists., Hikichi Takuto;Irisawa Atsushi;Bhutani Manoop S;Takagi Tadayuki;Shibukawa Goro;Yamamoto Go;Wakatsuki Takeru;Imamura Hidemichi;Takahashi Yuta;Sato Ai;Sato Masaki;Ikeda Tsunehiko;Hashimoto Yuko;Tasaki Kazuhiro;Watanabe Kazuo;Ohira Hiromasa;Obara Katsutoshi, Journal of gastroenterology, 44(4), 322-328, 2009

Pancreatic lipoma diagnosed using EUS-FNA. A case report., Suzuki Rei;Irisawa Atsushi;Hikichi Takuto;Shibukawa Goro;Takagi Tadayuki;Wakatsuki Takeru;Imamura Hidemichi;Takahashi Yuta;Sato Ai;Sato Masaki;Ikeda Tsunehiko;Tasaki Kazuhiro;Obara Katsutoshi;Ohira Hiromasa, JOP : Journal of the pancreas, 10(2), 200-203, 09 Mar. 2009

[Xanthogranulomatous cholecystitis associated with a suspicious colonic fistula and its spontaneous resolution]., Saito Ayako;Takano Makoto;Gunji Naohiko;Watanabe Kenya;Ishihata Ryoichi;Utsumi Yasufumi;Igari Hiroyuki;Irisawa Atsushi;Ohira Hiromasa, Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology, 106(5), 691-697, May 2009

Pancreatobiliary drainage using the EUS-FNA technique: EUS-BD and EUS-PD., Irisawa Atsushi;Hikichi Takuto;Shibukawa Goro;Takagi Tadayuki;Wakatsuki Takeru;Takahashi Yuta;Imamura Hidemichi;Sato Ai;Sato Masaki;Ikeda Tsunehiko;Suzuki Rei;Obara Katsutoshi;Ohira Hiromasa, Journal of hepato-biliary-pancreatic surgery, 16(5), 598-604, 2009

Interventional endoscopic ultrasonography: applications for cancer related treatment., Irisawa Atsushi;Hikichi Takuto;Shibukawa Goro;Takagi Tadayuki;Imamura Hidemichi;Ohira Hiromasa, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 21 Suppl 1, S57-S60, Jul. 2009

Early diagnosis of small pancreatic cancer: role of endoscopic ultrasonography., Irisawa Atsushi;Sato Ai;Sato Masaki;Ikeda Tsunehiko;Suzuki Rei;Ohira Hiromasa, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 21 Suppl 1, S92-S96, Jul. 2009

Japanese clinical guidelines for autoimmune pancreatitis., Okazaki Kazuichi;Kawa Shigeyuki;Kamisawa Terumi;Ito Tetsuhide;Inui Kazuo;Irie Hiroyuki;Irisawa Atsushi;Kubo Keishi;Notohara Kenji;Hasebe Osamu;Fujinaga Yasunari;Ohara Hirotaka;Tanaka Shigeki;Nishino Takayoshi;Nishimori Isao;Nishiyama Toshimasa;Suda Koichi;Shiratori Keiko;Shimosegawa Toru;Tanaka Masao, Pancreas, 38(8), 849-866, Nov. 2009

Cyst-like extension of hepatic subcapsular bleeding caused by ruptured hepatocellular carcinoma into the bursa omentalis., Takahashi Atsushi;Saito Hironobu;Takahashi Yuta;Sato Ai;Takagi Tadayuki;Irisawa Atsushi;Sakuma Fumitaka;Kuroda Masahito;Tsuchiya Takao;Ohira Hiromasa, Hepatology research : the official journal of the Japan Society of Hepatology, 39(10), 1010-1014, Oct. 2009

Two Cases of Retroperitoneal Liposarcoma Diagnosed Using Endoscopic Ultrasound-Guided Fine-Needle Aspiration (EUS-FNA)., Takahashi Yuta;Irisawa Atsushi;Bhutani Manoop S;Hikichi Takuto;Takagi Tadayuki;Shibukawa Goro;Wakatsuki Takeru;Imamura Hidemichi;Sato Ai;Sato Masaki;Ikeda Tsunehiko;Suzuki Rei;Obara Katsutoshi;Hashimoto Yuko;Watanabe Kazuo;Ohira Hiromasa, Diagnostic and therapeutic endoscopy, 2009, 673194, 2009

Analysis of prognostic factors in patients with gastric varices after endoscopic treatment., Wakatsuki Takeru;Obara Katsutoshi;Irisawa Atsushi;Sakamoto Hiroaki;Kuwana Toshimitu;Takiguchi Fujio;Saito Ayako;Shishido Hideo;Hikichi Takuto;Oyama Hitoshi;Shibukawa Goro;Takagi Tadayuki;Yamamoto Go;Imamura Hidemichi;Takahashi Yuta;Sato Ai;Sato Masaki;Kasukawa Reiji;Ohira Hiromasa, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 21(4), 232-238, Oct. 2009

[Transesophageal endoscopic ultrasonography guided-fine needle aspiration for the diagnosis of sarcoidosis]., Saito Kazue;Tanino Yoshinori;Inokoshi Yayoi;Sato Suguru;Oshima Kengo;Ishii Taeko;Nakagawa Naoko;Fukuhar Atsuro;Kanazawa Kenya;Saito Junpei;Ishida Takashi;Hikichi Takuto;Irisawa Atsushi;Ohira Hiromasa;Munakata Mitsuru, Nihon Kokyuki Gakkai zasshi = the journal of the Japanese Respiratory Society, 47(11), 996-1001, Nov. 2009

Cronkhite-Canada syndrome associated with myelodysplastic syndrome., Suzuki Rei;Irisawa Atsushi;Hikichi Takuto;Takahashi Yuta;Kobayashi Hiroko;Kumakawa Hiromi;Ohira Hiromasa, World journal of gastroenterology, 15(46), 5871-5874, 14 Dec. 2009

Synthetic oligodeoxynucleotides induce gastritis in mice., Yamamoto Go;Kobayashi Hiroko;Hikichi Takuto;Irisawa Atsushi;Obara Katsutoshi;Ohira Hiromasa, Fukushima journal of medical science, 55(1), 23-31, Jun. 2009

Hemorrhagic duodenal varices treated successfully with endoscopic injection sclerotherapy using cyanoacrylate and ethanolamine-oleate: a case report., Suzuki Rei;Irisawa Atsushi;Hikichi Takuto;Shibukawa Goro;Takagi Tadayuki;Wakatsuki Takeru;Imamura Hidemichi;Takahashi Yuta;Sato Ai;Sato Masaki;Ikeda Tsunehiko;Tasaki Kazuhiro;Obara Katsutoshi;Ohira Hiromasa, Surgical laparoscopy, endoscopy & percutaneous techniques, 19(6), e233-e236, Dec. 2009

Complete response of anaplastic pancreatic carcinoma to paclitaxel treatment selected by chemosensitivity testing., Wakatsuki Takeru;Irisawa Atsushi;Imamura Hidemichi;Terashima Masanori;Shibukawa Goro;Takagi Tadayuki;Takahashi Yuta;Sato Ai;Sato Masaki;Ikeda Tsunehiko;Suzuki Rei;Hikichi Takuto;Obara Katsutoshi;Ohira Hiromasa, International journal of clinical oncology, 15(3), 310-313, Jun. 2010

[Alcohol and pancreatic disorders: discussion]., Shimosegawa Tooru;Naruse Satoru;Maruyama Katsuya;Kume Kiyoshi;Irisawa Atsushi, Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine, 99(1), 102-119, 10 Jan. 2010

[Usefulness of ursodeoxycholic acid in a case of hepatic sarciodosis]., Saito Ayako;Takano Makoto;Kaise Shunji;Utsumi Yasufumi;Gunji Naohiko;Ishihata Ryoichi;Irisawa Atsushi;Ohira Hiromasa, Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology, 107(4), 632-638, Apr. 2010

Feasibility of interventional endoscopic ultrasound using forward-viewing and curved linear-array echoendoscope: a literature review., Irisawa Atsushi;Imaizumi Hiroshi;Hikichi Takuto;Takagi Tadayuki;Ohira Hiromasa, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 22 Suppl 1, S128-S131, Jul. 2010

Clinical features of liver dysfunction in collagen diseases., Takahashi Atsushi;Abe Kazumichi;Yokokawa Junko;Iwadate Haruyo;Kobayashi Hiroko;Watanabe Hiroshi;Irisawa Atsushi;Ohira Hiromasa, Hepatology research : the official journal of the Japan Society of Hepatology, 40(11), 1092-1097, Nov. 2010

ATP assay-guided chemosensitivity testing for gemcitabine with biopsy specimens obtained from unresectable pancreatic cancer using endoscopic ultrasonography-guided fine-needle aspiration., Wakatsuki Takeru;Irisawa Atsushi;Terashima Masanori;Shibukawa Goro;Takagi Tadayuki;Imamura Hidemichi;Takahashi Yuta;Sato Ai;Sato Masaki;Ikeda Tsunehiko;Suzuki Rei;Hikichi Takuto;Obara Katsutoshi;Ohira Hiromasa, International journal of clinical oncology, 16(4), 387-394, Aug. 2011

An electronic radial scanning echoendoscope is superior to a mechanical radial scanning echoendoscope in ultrasound image quality for gastrointestinal tract and pancreaticobiliary lesions., Hikichi Takuto;Irisawa Atsushi;Takagi Tadayuki;Shibukawa Goro;Wakatsuki Takeru;Imamura Hidemichi;Takahashi Yuta;Sato Ai;Sato Masaki;Ikeda Tsunehiko;Suzuki Rei;Watanabe Ko;Nakamura Jun;Ohira Hiromasa;Obara Katsutoshi, Fukushima journal of medical science, 56(2), 99-106, Dec. 2010

Current role of radial and curved-linear arrayed EUS scopes for diagnosis of pancreatic abnormalities in Japan., Irisawa Atsushi, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 23 Suppl 1, 9-11, May 2011

Current status of diagnostic endoscopic ultrasonography in the evaluation of pancreatic mass lesions., Itoi Takao;Sofuni Atsushi;Itokawa Fumihide;Irisawa Atsushi;Khor Christopher J L;Rerknimitr Rungsun, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 23 Suppl 1, 17-21, May 2011

Prospective randomized comparative study of hemodynamic changes between ultrathin transnasal and conventional transoral esophagogastroduodenoscopy in percutaneous endoscopic gastrostomy placement with modified introducer method under sedation., Suzuki Rei;Hikichi Takuto;Sato Masaki;Takagi Tadayuki;Ikeda Tsunehiko;Watanabe Ko;Nakamura Jun;Irisawa Atsushi;Obara Katsutoshi;Ohira Hiromasa, Fukushima journal of medical science, 57(1), 28-32, 2011

Endoscopic pancreatic duct stents reduce the incidence of post-endoscopic retrograde cholangiopancreatography pancreatitis in high-risk patients., Sofuni Atsushi;Maguchi Hiroyuki;Mukai Tsuyoshi;Kawakami Hiroshi;Irisawa Atsushi;Kubota Kensuke;Okaniwa Shinji;Kikuyama Masataka;Kutsumi Hiromu;Hanada Keiji;Ueki Toshiharu;Itoi Takao, Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association, 9(10), 851-8; quiz e110, Oct. 2011

Results of a Japanese multicenter, randomized trial of endoscopic stenting for non-resectable pancreatic head cancer (JM-test): Covered Wallstent versus DoubleLayer stent., Isayama Hiroyuki;Yasuda Ichiro;Ryozawa Shomei;Maguchi Hiroyuki;Igarashi Yoshinori;Matsuyama Yutaka;Katanuma Akio;Hasebe Osamu;Irisawa Atsushi;Itoi Takao;Mukai Hidekazu;Arisaka Yoshifumi;Okushima Kazumu;Uno Koji;Kida Mitsuhiro;Tamada Kiichi, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 23(4), 310-315, Oct. 2011

Ultrathin endoscope-guided trangastric nasocystic irrigation tube placement to manage paracolic gutter extension of pancreatic necrosis., Suzuki Rei;Irisawa Atsushi;Bhutani Manoop S;Takagi Tadayuki;Ikeda Tsunehiko;Hikichi Takuto;Shibukawa Goro;Sato Masaki;Watanabe Koh;Nakamura Jun;Obara Katsutoshi;Ohira Hiromasa, Gastrointestinal endoscopy, 76(2), 457-459, Aug. 2012

Phase I trial of preoperative intratumoral injection of immature dendritic cells and OK-432 for resectable pancreatic cancer patients., Endo Hisahito;Saito Takuro;Kenjo Akira;Hoshino Mika;Terashima Masanori;Sato Tetsu;Anazawa Takayuki;Kimura Takashi;Tsuchiya Takao;Irisawa Atsushi;Ohira Hiromasa;Hikichi Takuto;Takagi Tadayuki;Gotoh Mitsukazu, Journal of hepato-biliary-pancreatic sciences, 19(4), 465-475, Jul. 2012

A multicenter, prospective, randomized study of selective bile duct cannulation performed by multiple endoscopists: the BIDMEN study., Kawakami Hiroshi;Maguchi Hiroyuki;Mukai Tsuyoshi;Hayashi Tsuyoshi;Sasaki Tamito;Isayama Hiroyuki;Nakai Yousuke;Yasuda Ichiro;Irisawa Atsushi;Niido Teitetsu;Okabe Yoshinobu;Ryozawa Shomei;Itoi Takao;Hanada Keiji;Kikuyama Masataka;Arisaka Yoshifumi;Kikuchi Shogo; , Gastrointestinal endoscopy, 75(2), 362-72, 372.e1, Feb. 2012

Utility of peppermint oil for endoscopic diagnosis of gastric tumors., Hikichi Takuto;Irisawa Atsushi;Sato Masaki;Watanabe Ko;Nakamura Jun;Takagi Tadayuki;Ikeda Tsunehiko;Suzuki Rei;Ohira Hiromasa;Obara Katsutoshi, Fukushima journal of medical science, 57(2), 60-65, 2011

Comparison of partially covered nitinol stents with partially covered stainless stents as a historical control in a multicenter study of distal malignant biliary obstruction: the WATCH study., Isayama Hiroyuki;Mukai Tsuyoshi;Itoi Takao;Maetani Iruru;Nakai Yousuke;Kawakami Hiroshi;Yasuda Ichiro;Maguchi Hiroyuki;Ryozawa Shomei;Hanada Keiji;Hasebe Osamu;Ito Kei;Kawamoto Hirofumi;Mochizuki Hitoshi;Igarashi Yoshinori;Irisawa Atsushi;Sasaki Tamito;Togawa Osamu;Hara Taro;Kamada Hideki;Toda Nobuo;Kogure Hirofumi, Gastrointestinal endoscopy, 76(1), 84-92, Jul. 2012

The 2011 Great East Japan earthquake: a report of a regional hospital in Fukushima Prefecture coping with the Fukushima nuclear disaster., Irisawa Atsushi, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 24 Suppl 1, 3-7, May 2012

Clinical evaluation of dendritic cells vaccination for advanced cancer patients at Fukushima Medical University., Nakamura Izumi;Kanazawa Masashi;Sato Yu;Irisawa Atsushi;Takagi Tadayuki;Ogata Takashi;Kashimura Shogo;Kenjo Akira;Suzuki Hiroyuki;Shibata Masahiko;Shimura Tatsuo;Ohira Hiromasa;Goto Mitsukazu;Takenoshita Seiichi;Ohto Hitoshi, Fukushima journal of medical science, 58(1), 40-48, 2012

Acute inflammation occurring in gastric aberrant pancreas followed up by endoscopic ultrasonography., Watanabe Ko;Irisawa Atsushi;Hikichi Takuto;Takagi Tadayuki;Shibukawa Goro;Sato Masaki;Obara Katsutoshi;Ohira Hiromasa, World journal of gastrointestinal endoscopy, 4(7), 331-334, 16 Jul. 2012

Prospective evaluation of the optimal number of 25-gauge needle passes for endoscopic ultrasound-guided fine-needle aspiration biopsy of solid pancreatic lesions in the absence of an onsite cytopathologist., Suzuki Rei;Irisawa Atsushi;Bhutani Manoop S;Hikichi Takuto;Takagi Tadayuki;Sato Ai;Sato Masaki;Ikeda Tsunehiko;Watanabe Ko;Nakamura Jun;Tasaki Kazuhiro;Obara Katsutoshi;Ohira Hiromasa, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 24(6), 452-456, Nov. 2012

Impact of anticancer treatment on recurrent obstruction in covered metallic stents for malignant biliary obstruction., Nakai Yousuke;Isayama Hiroyuki;Mukai Tsuyoshi;Itoi Takao;Maetani Iruru;Kawakami Hiroshi;Yasuda Ichiro;Maguchi Hiroyuki;Ryozawa Shomei;Hanada Keiji;Hasebe Osamu;Ito Kei;Kawamoto Hiorofumi;Mochizuki Hitoshi;Igarashi Yoshinori;Irisawa Atsushi;Sasaki Tamito;Togawa Osamu;Hara Taro;Kamada Hideki;Toda Nobuo;Hamada Tsuyoshi;Kogure Hirofumi, Journal of gastroenterology, 48(11), 1293-1299, Nov. 2013

Wire-guided biliary cannulation technique does not reduce the risk of post-ERCP pancreatitis: multicenter randomized controlled trial., Kobayashi Go;Fujita Naotaka;Imaizumi Kazuomi;Irisawa Atsushi;Suzuki Masaki;Murakami Akihiko;Oana Shuhei;Makino Naohiko;Komatsuda Tomoya;Yoneyama Kazuo, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 25(3), 295-302, May 2013

Endoscopic ultrasound-guided oncologic therapy for pancreatic cancer., Suzuki Rei;Irisawa Atsushi;Bhutani Manoop S, Diagnostic and therapeutic endoscopy, 2013, 157581, 2013

[Interventional EUS for pancreatic pseudocyst and walled-off necrosis]., Irisawa Atsushi;Shibukawa Goro;Hikichi Takuto;Takagi Tadayuki;Imamura Hidemichi;Takahashi Yuta;Sato Ai;Sato Masaki;Ikeda Tsunehiko;Suzuki Rei;Abe Yoko;Nikaido Akiko;Yamabe Akane;Ohira Hiromasa;Obara Katsutoshi, Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology, 110(4), 575-584, Apr. 2013

Otaru consensus on biliary stenting for unresectable distal malignant biliary obstruction., Irisawa Atsushi;Katanuma Akio;Itoi Takao, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 25 Suppl 2, 52-57, May 2013

Diagnostic yield of endoscopic retrograde cholangiopancreatography-based cytology for distinguishing malignant and benign intraductal papillary mucinous neoplasm: systematic review and meta-analysis., Suzuki Rei;Thosani Nirav;Annangi Srinadh;Komarraju Aparna;Irisawa Atsushi;Ohira Hiromasa;Obara Katsutoshi;Fleming Jason B;Guha Sushovan;Bhutani Manoop S, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 26(4), 586-593, Jul. 2014

An automated spring-loaded needle for endoscopic ultrasound-guided abdominal paracentesis in cancer patients., Suzuki Rei;Irisawa Atsushi;Bhutani Manoop S;Hikichi Takuto;Takagi Tadayuki;Shibukawa Goro;Sato Ai;Sato Masaki;Ikeda Tsunehiko;Watanabe Ko;Nakamura Jun;Annangi Srinadh;Tasaki Kazuhiro;Obara Katsutoshi;Ohira Hiromasa, World journal of gastrointestinal endoscopy, 6(2), 55-59, 16 Feb. 2014

Amendment of the Japanese Consensus Guidelines for Autoimmune Pancreatitis, 2013 II. Extrapancreatic lesions, differential diagnosis., Kawa Shigeyuki;Okazaki Kazuichi;Kamisawa Terumi;Kubo Keishi;Ohara Hirotaka;Hasebe Osamu;Fujinaga Yasunari;Irisawa Atsushi;Notohara Kenji;Ito Tetsuhide;Inui Kazuo;Irie Hiroyuki;Nishino Takayoshi;Nishimori Isao;Tanaka Shigeki;Nishiyama Toshimasa;Suda Koichi;Shiratori Keiko;Tanaka Masao;Shimosegawa Tooru; , Journal of gastroenterology, 49(5), 765-784, May 2014

Endoscopic ultrasound-guided fine needle aspiration for smooth benign appearing esophageal stricture due to metastatic breast cancer., Suzuki Rei;Singh Harvinder;Ramireddy Srinivas;Ross William A;Irisawa Atsushi;Bhutani Manoop S, Endoscopic ultrasound, 2(1), 35-37, Jan. 2013

Endoscopic ultrasound-assisted direct peritoneal visualization with a small-caliber scope: A proof of concept study in a swine model., Suzuki Rei;Bhutani Manoop S;Shin Dongsuk;Irisawa Atsushi;Fleming Jason B;Richards-Kortum Rebecca;Ohira Hiromasa, Endoscopic ultrasound, 3(4), 226-231, Oct. 2014

Echo-endoscopic analysis of variceal hemodynamics in patient with isolated gastric varices., Imamura HIdemichi;Irisawa Atsushi;Shibukawa Goro;Takagi Tadayuki;Hikichi Takuto;Obara Katsutoshi;Ohira Hiromasa, Endoscopic ultrasound, 3(4), 238-244, Oct. 2014

Endoscopic nasogallbladder tube or stent placement in acute cholecystitis: a preliminary prospective randomized trial in Japan (with videos)., Itoi Takao;Kawakami Hiroshi;Katanuma Akio;Irisawa Atsushi;Sofuni Atsushi;Itokawa Fumihide;Tsuchiya Takayoshi;Tanaka Reina;Umeda Junko;Ryozawa Shomei;Doi Shinpei;Sakamoto Naoya;Yasuda Ichiro, Gastrointestinal endoscopy, 81(1), 111-118, Jan. 2015

Diagnostic efficacy of a brand-new endoscopic ultrasound processor for early-stage chronic pancreatitis., Shibukawa Goro;Irisawa Atsushi, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 27 Suppl 1, 75, Apr. 2015

Potential application of interventional endoscopic ultrasonography for the treatment of esophageal and gastric varices., Hikichi Takuto;Obara Katsutoshi;Nakamura Shin-ichi;Irisawa Atsushi;Ohira Hiromasa, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 27 Suppl 1, 17-22, Apr. 2015

Guidelines for sedation in gastroenterological endoscopy., Obara Katsutoshi;Haruma Ken;Irisawa Atsushi;Kaise Mitsuru;Gotoda Takuji;Sugiyama Masanori;Tanabe Satoshi;Horiuchi Akira;Fujita Naotaka;Ozaki Makoto;Yoshida Masahiro;Matsui Toshiyuki;Ichinose Masao;Kaminishi Michio, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 27(4), 435-449, May 2015

Intraductal ultrasonographic anatomy of biliary varices in patients with portal hypertension., Takagi Tadayuki;Irisawa Atsushi;Shibukawa Goro;Hikichi Takuto;Obara Katsutoshi;Ohira Hiromasa, Endoscopic ultrasound, 4(1), 44-51

[EUS-guided fine-needle aspiration biopsy (EUS-FNA) for pancreatic tumor]., Irisawa Atsushi;Shibukawa Goro, Nihon rinsho. Japanese journal of clinical medicine, 73 Suppl 3, 88-92, Mar. 2015

Multiple pancreatic metastases from malignant melanoma: Conclusive diagnosis with endoscopic ultrasound-guided fine needle aspiration., Jana Tanima;Caraway Nancy P;Irisawa Atsushi;Bhutani Manoop S, Endoscopic ultrasound, 4(2), 145-148

Idiopathic granulomatous gastritis diagnosed with endoscopic ultrasound-guided fine-needle aspiration: report of a case., Imbe Koh;Irisawa Atsushi;Shibukawa Goro;Abe Yoko;Saito Akiko;Hoshi Koki;Yamabe Akane;Igarashi Ryo, Endoscopy international open, 2(4), E259-E261, Dec. 2014

Usefulness of endoscopic ultrasound-guided fine-needle aspiration with a forward-viewing and curved linear-array echoendoscope for small gastrointestinal subepithelial lesions., Yamabe Akane;Irisawa Atsushi;Bhutani Manoop S;Shibukawa Goro;Abe Yoko;Saito Akiko;Imbe Koh;Hoshi Koki;Igarashi Ryo, Endoscopy international open, 3(2), E161-E164, Apr. 2015

Pancreatic cancer: early detection, diagnosis, and screening., Suzuki Rei;Ohira Hiromasa;Irisawa Atsushi;Bhutani Manoop S, Clinical journal of gastroenterology, 5(5), 322-326, Oct. 2012

Clinical effects of eosinophilic esophagitis observed using endoscopic ultrasound., Yamabe Akane;Irisawa Atsushi;Shibukawa Goro;Abe Yoko;Saito Akiko;Imbe Koh;Hoshi Koki;Igarashi Ryo, Clinical journal of gastroenterology, 7(4), 305-309, Aug. 2014

Japanese Clinical Guidelines for Endoscopic Treatment of Pancreatolithiasis., Inui Kazuo;Igarashi Yoshinori;Irisawa Atsushi;Ohara Hirotaka;Tazuma Susumu;Hirooka Yoshiki;Fujita Naotaka;Miyakawa Hiroyuki;Sata Naohiro;Shimosegawa Tooru;Tanaka Masao;Shiratori Keiko;Sugiyama Masanori;Takeyama Yoshifumi, Pancreas, 44(7), 1053-1064, Oct. 2015

Multicenter, prospective, crossover trial comparing the door-knocking method with the conventional method for EUS-FNA of solid pancreatic masses (with videos)., Mukai Shuntaro;Itoi Takao;Ashida Reiko;Tsuchiya Takayoshi;Ikeuchi Nobuhito;Kamada Kentaro;Tanaka Reina;Umeda Junko;Tonozuka Ryosuke;Fukutake Nobuyasu;Hoshi Koki;Moriyasu Fuminori;Gotoda Takuji;Irisawa Atsushi, Gastrointestinal endoscopy, 83(6), 1210-1217, Jun. 2016

JSUM ultrasound elastography practice guidelines: pancreas., Hirooka Yoshiki;Kuwahara Takamichi;Irisawa Atsushi;Itokawa Fumihide;Uchida Hiroki;Sasahira Naoki;Kawada Natsuko;Itoh Yuya;Shiina Tsuyoshi, Journal of medical ultrasonics (2001), 42(2), 151-174, Apr. 2015

Erratum to: JSUM ultrasound elastography practice guidelines: pancreas., Hirooka Yoshiki;Kuwahara Takamichi;Irisawa Atsushi;Itokawa Fumihide;Uchida Hiroki;Sasahira Naoki;Kawada Natsuko;Itoh Yuya;Shiina Tsuyoshi, Journal of medical ultrasonics (2001), 42(2), 175, Apr. 2015

An experimental study to assess the best maneuver when using a reverse side-bevel histology needle for EUS-guided fine-needle biopsy., Yamabe Akane;Irisawa Atsushi;Shibukawa Goro;Hoshi Koki;Fujisawa Mariko;Igarashi Ryo;Abe Yoko;Imbe Koh, Endoscopy international open, 4(1), E56-E61, Jan. 2016

The role of endoscopic ultrasound in pancreatic cancer screening., Bhutani Manoop S;Koduru Pramoda;Joshi Virendra;Saxena Payal;Suzuki Rei;Irisawa Atsushi;Yamao Kenji, Endoscopic ultrasound, 5(1), 8-16

Agenesis of the Gallbladder in Monozygotic Twin Sisters., Hoshi Koki;Irisawa Atsushi;Shibukawa Goro;Yamabe Akane;Fujisawa Mariko;Igarashi Ryo;Sato Ai;Maki Takumi, Case reports in gastrointestinal medicine, 2016, 1053138, 2016

Asian consensus statements on endoscopic management of walled-off necrosis. Part 2: Endoscopic management., Isayama Hiroyuki;Nakai Yousuke;Rerknimitr Rungsun;Khor Christopher;Lau James;Wang Hsiu-Po;Seo Dong Wan;Ratanachu-Ek Thawee;Lakhtakia Sundeep;Ang Tiing Leong;Ryozawa Shomei;Hayashi Tsuyoshi;Kawakami Hiroshi;Yamamoto Natusyo;Iwashita Takuji;Itokawa Fumihide;Kuwatani Masaki;Kitano Masayuki;Hanada Keiji;Kogure Hirofumi;Hamada Tsuyoshi;Ponnudurai Ryan;Moon Jong Ho;Itoi Takao;Yasuda Ichiro;Irisawa Atsushi;Maetani Iruru, Journal of gastroenterology and hepatology, 31(9), 1555-1565, Sep. 2016

Asian consensus statements on endoscopic management of walled-off necrosis Part 1: Epidemiology, diagnosis, and treatment., Isayama Hiroyuki;Nakai Yousuke;Rerknimitr Rungsun;Khor Christopher;Lau James;Wang Hsiu-Po;Seo Dong Wan;Ratanachu-Ek Thawee;Lakhtakia Sundeep;Ang Tiing Leong;Ryozawa Shomei;Hayashi Tsuyoshi;Kawakami Hiroshi;Yamamoto Natusyo;Iwashita Takuji;Itokawa Fumihide;Kuwatani Masaki;Kitano Masayuki;Hanada Keiji;Kogure Hirofumi;Hamada Tsuyoshi;Ponnudurai Ryan;Moon Jong Ho;Itoi Takao;Yasuda Ichiro;Irisawa Atsushi;Maetani Iruru, Journal of gastroenterology and hepatology, 31(9), 1546-1554, Sep. 2016

[The forefront of therapeutic interventional EUS for pancreatobiliary disease]., Irisawa Atsushi;Shibukawa Goro;Hoshi Koki;Yamabe Akane;Fujisawa Mariko;Igarashi Ryo;Sato Ai;Ikeda Tsunehiko;Maki Takumi, Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology, 113(4), 614-624, Apr. 2016

Diagnosis of autoimmune pancreatitis by EUS-guided FNA using a 22-gauge needle: a prospective multicenter study., Kanno Atsushi;Masamune Atsushi;Fujishima Fumiyoshi;Iwashita Takuji;Kodama Yuzo;Katanuma Akio;Ohara Hirotaka;Kitano Masayuki;Inoue Hiroyuki;Itoi Takao;Mizuno Nobumasa;Miyakawa Hiroyuki;Mikata Rintaro;Irisawa Atsushi;Sato Satoko;Notohara Kenji;Shimosegawa Tooru, Gastrointestinal endoscopy, 84(5), 797-804.e1, Nov. 2016

A case of autoimmune pancreatitis effectively treated with an immunosuppressant (azathioprine)., Yamabe Akane;Irisawa Atsushi;Notohara Kenji;Shibukawa Goro;Fujisawa Mariko;Sato Ai;Yoshida Yoshitsugu;Arakawa Noriyuki;Ikeda Tsunehiko;Igarashi Ryo;Maki Takumi;Yamamoto Shogo, Clinical journal of gastroenterology, 9(5), 324-328, Oct. 2016

Efforts to improve the diagnostic accuracy of endoscopic ultrasound-guided fine-needle aspiration for pancreatic tumors., Yamabe Akane;Irisawa Atsushi;Bhutani Manoop S;Shibukawa Goro;Fujisawa Mariko;Sato Ai;Yoshida Yoshitsugu;Arakawa Noriyuki;Ikeda Tsunehiko;Igarashi Ryo;Maki Takumi;Yamamoto Shogo, Endoscopic ultrasound, 5(4), 225-232

Eosinophilic esophageal myositis diagnosed by endoscopic ultrasound-guided fine-needle aspiration biopsy: a case report., Igarashi Ryo;Irisawa Atsushi;Shibukawa Goro;Yamabe Akane;Fujisawa Mariko;Sato Ai;Maki Takumi;Arakawa Noriyuki;Yoshida Yoshitsugu;Yamamoto Shogo;Ikeda Tsunehiko, Clinical journal of gastroenterology, 9(5), 285-288, Oct. 2016

Idiopathic perforation of acalculous gallbladder after insertion of a transpapillary pancreatic stent., Katagiri Tomoko;Irisawa Atsushi;Wakabayashi Hiroto;Tsunoda Takuya;Tomoda Hiroyuki;Saito Ryo;Kinuta Shunji, Endoscopy international open, 4(8), E838-E840, Aug. 2016

Rare condition of needle tract seeding after EUS-guided FNA for intraductal papillary mucinous carcinoma., Yamabe Akane;Irisawa Atsushi;Shibukawa Goro;Hoshi Koki;Fujisawa Mariko;Igarashi Ryo;Sato Ai;Maki Takumi;Hojo Hiroshi, Endoscopy international open, 4(7), E756-E758, Jul. 2016

Validation of a realistic, simple, and inexpensive EUS-FNA training model using isolated porcine stomach., Hoshi Koki;Irisawa Atsushi;Shibukawa Goro;Yamabe Akane;Fujisawa Mariko;Igarashi Ryo;Yoshida Yoshitsugu;Abe Yoko;Imbe Koh, Endoscopy international open, 4(9), E1004-E1008, Sep. 2016

Application of a silver coating on plastic biliary stents to prevent biofilm formation: an experimental study using electron microscopy., Yamabe Akane;Irisawa Atsushi;Wada Ikuo;Shibukawa Goro;Fujisawa Mariko;Sato Ai;Igarashi Ryo;Maki Takumi;Hoshi Koki, Endoscopy international open, 4(10), E1090-E1095, Oct. 2016

Nationwide epidemiological survey of early chronic pancreatitis in Japan., Masamune Atsushi;Kikuta Kazuhiro;Nabeshima Tatsuhide;Nakano Eriko;Hirota Morihisa;Kanno Atsushi;Kume Kiyoshi;Hamada Shin;Ito Tetsuhide;Fujita Motokazu;Irisawa Atsushi;Nakashima Masanori;Hanada Keiji;Eguchi Takaaki;Kato Ryusuke;Inatomi Osamu;Shirane Akio;Takeyama Yoshifumi;Tsuji Ichiro;Shimosegawa Tooru; , Journal of gastroenterology, 52(8), 992-1000, Aug. 2017

Current status of interventional endoscopic ultrasound., Ryozawa Shomei;Fujita Naotaka;Irisawa Atsushi;Hirooka Yoshiki;Mine Tetsuya, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 29(5), 559-566, Jul. 2017

Early diagnosis of chronic pancreatitis: understanding the factors associated with the development of chronic pancreatitis., Yamabe Akane;Irisawa Atsushi;Shibukawa Goro;Sato Ai;Fujisawa Mariko;Arakawa Noriyuki;Yoshida Yoshitsugu;Abe Yoko;Igarashi Ryo;Maki Takumi;Yamamoto Shogo, Fukushima journal of medical science, 63(1), 1-7, 28 Apr. 2017

Inflammatory Bile Duct Obstruction during the Healing Stage of Severe Acute Pancreatitis., Yamabe Akane;Irisawa Atsushi;Shibukawa Goro;Sato Ai;Fujisawa Mariko;Arakawa Noriyuki;Yoshida Yoshitsugu;Igarashi Ryo;Maki Takumi;Yamamoto Shogo;Ikeda Tsunehiko;Abe Yoko;Hoshi Koki, Internal medicine (Tokyo, Japan), 56(9), 1037-1040, 2017

Early Gastric Cancer Associated with a Gastric Lipoma., Sato Ai;Irisawa Atsushi;Shibukawa Goro;Yamabe Akane;Fujisawa Mariko;Arakawa Noriyuki;Yoshida Yoshitsugu, ACG case reports journal, 4, e78, 2017

Significance of normal appearance on endoscopic ultrasonography in the diagnosis of early chronic pancreatitis., Sato Ai;Irisawa Atsushi;Bhutani Manoop S;Shibukawa Goro;Yamabe Akane;Fujisawa Mariko;Igarashi Ryo;Arakawa Noriyuki;Yoshida Yoshitsugu;Abe Yoko;Maki Takumi;Hoshi Koki;Ohira Hiromasa, Endoscopic ultrasound, 7(2), 110-118

An animal experimental study to assess the core tissue acquisition ability of endoscopic ultrasound-guided histology needles., Mukai Shuntaro;Itoi Takao;Katanuma Akio;Irisawa Atsushi, Endoscopic ultrasound, 7(4), 263-269

[Diagnosis for chronic pancreatitis]., Irisawa Atsushi;Sato Ai;Yamabe Akane, Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology, 114(12), 2097-2107

A Prospective Multicenter Study of a Fully Covered Metal Stent in Patients with Distal Malignant Biliary Obstruction: WATCH-2 Study., Kogure Hirofumi;Ryozawa Shomei;Maetani Iruru;Nakai Yousuke;Kawakami Hiroshi;Yasuda Ichiro;Mochizuki Hitoshi;Iwano Hirotoshi;Maguchi Hiroyuki;Kida Mitsuhiro;Kubota Kensuke;Mukai Tsuyoshi;Hasebe Osamu;Igarashi Yoshinori;Hanada Keiji;Irisawa Atsushi;Ito Kei;Itoi Takao;Isayama Hiroyuki, Digestive diseases and sciences, 63(9), 2466-2473, 2018

Peptic Ulcers in Fukushima Prefecture Related to the Great East Japan Earthquake, Tsunami and Nuclear Accident., Hikichi Takuto;Sato Masaki;Watanabe Ko;Nakamura Jun;Kikuchi Hitomi;Ejiri Yutaka;Ishihata Ryoichi;Irisawa Atsushi;Takahashi Yuta;Saito Hironobu;Takagi Tadayuki;Suzuki Rei;Sugimoto Mitsuru;Konno Naoki;Waragai Yuichi;Asama Hiroyuki;Takasumi Mika;Sato Yuki;Ohira Hiromasa;Obara Katsutoshi, Internal medicine (Tokyo, Japan), 57(7), 915-921, 01 Apr. 2018

Case Report of a Small Gastric Neuroendocrine Tumor in a Deep Layer of Submucosa With Diagnosis by Endoscopic Ultrasound-Guided Fine-Needle Aspiration and Treatment With Laparoscopic and Endoscopic Cooperative Surgery., Igarashi Ryo;Irisawa Atsushi;Shibukawa Goro;Soeta Nobutoshi;Sato Ai;Yamabe Akane;Fujisawa Mariko;Arakawa Noriyuki;Yoshida Yoshitsugu;Ikeda Tsunehiko;Abe Yoko;Maki Takumi;Yamamoto Shogo;Oshibe Ikuro;Saito Takuro;Hojo Hiroshi, Clinical medicine insights. Case reports, 11, 1179547617749226, 2018

Clinical course of type 1 autoimmune pancreatitis patients without steroid treatment: a Japanese multicenter study of 97 patients., Kubota Kensuke;Kamisawa Terumi;Hirano Kenji;Hirooka Yoshiki;Uchida Kazushige;Ikeura Tsukasa;Shiomi Hideyuki;Ohara Hirotaka;Shimizu Kyoko;Arakura Norikazu;Kanno Atsushi;Sakagami Junichi;Itoi Takao;Ito Tetsuhide;Ueki Toshiharu;Nishino Takayoshi;Inui Kazuo;Mizuno Nobumasa;Yoshida Hitoshi;Sugiyama Masanori;Iwasaki Eisuke;Irisawa Atsushi;Okazaki Kazuichi;Kawa Shigeyuki;Shimosegawa Toru;Takeyama Yoshifumi;Chiba Tsutomu, Journal of hepato-biliary-pancreatic sciences, 25(4), 223-230, Apr. 2018

International consensus statements on early chronic Pancreatitis. Recommendations from the working group for the international consensus guidelines for chronic pancreatitis in collaboration with The International Association of Pancreatology, American Pancreatic Association, Japan Pancreas Society, PancreasFest Working Group and European Pancreatic Club., Whitcomb David C;Shimosegawa Tooru;Chari Suresh T;Forsmark Christopher E;Frulloni Luca;Garg Pramod;Hegyi Peter;Hirooka Yoshiki;Irisawa Atsushi;Ishikawa Takuya;Isaji Shuiji;Lerch Markus M;Levy Philippe;Masamune Atsushi;Wilcox Charles M;Windsor John;Yadav Dhiraj;Sheel Andrea;Neoptolemos John P; , Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.], 18(5), 516-527, Jul. 2018

Simultaneous Gastric Metastasis From Renal Cell Carcinoma: A Case Report and Literature Review., Arakawa Noriyuki;Irisawa Atsushi;Shibukawa Goro;Sato Ai;Abe Yoko;Yamabe Akane;Takasakia Yusuke;Yoshida Yoshitsugu;Maki Takumi;Igarashi Ryo;Yamamoto Shogo;Ikeda Tsunehiko;Hojo Hiroshi, Clinical medicine insights. Case reports, 11, 1179547618775095, 2018

A Case of Obstructive Jaundice Caused by Metastasis of Ovarian Cancer to the Duodenal Major Papilla., Takasaki Yusuke;Irisawa Atsushi;Shibukawa Goro;Sato Ai;Abe Yoko;Yamabe Akane;Arakawa Noriyuki;Maki Takumi;Yoshida Yoshitsugu;Igarashi Ryo;Yamamoto Shogo;Ikeda Tsunehiko;Soeta Nobutoshi;Saito Takuro;Hojo Hiroshi, Clinical medicine insights. Case reports, 11, 1179547618791571, 2018

Endoscopic Mucosal Resection Performed Underwater for Nonampullary Duodenal Epithelial Tumor: Evaluation of Feasibility and Safety., Shibukawa Goro;Irisawa Atsushi;Sato Ai;Abe Yoko;Yamabe Akane;Arakawa Noriyuki;Takasaki Yusuke;Maki Takumi;Yoshida Yoshitsugu;Igarashi Ryo;Yamamoto Shogo;Ikeda Tsunehiko;Hojo Hiroshi, Gastroenterology research and practice, 2018, 7490961, 2018

Prospective multicenter study of primary EUS-guided choledochoduodenostomy using a covered metal stent., Nakai Yousuke;Isayama Hiroyuki;Kawakami Hiroshi;Ishiwatari Hirotoshi;Kitano Masayuki;Ito Yukiko;Yasuda Ichiro;Kato Hironari;Matsubara Saburo;Irisawa Atsushi;Itoi Takao, Endoscopic ultrasound, 8(2), 111-117

A multi-institution consensus on how to perform EUS-guided biliary drainage for malignant biliary obstruction., Guo Jintao;Giovannini Marc;Sahai Anand V;Saftoiu Adrian;Dietrich Christoph F;Santo Erwin;Fusaroli Pietro;Siddiqui Ali A;Bhutani Manoop S;Bun Teoh Anthony Yuen;Irisawa Atsushi;Arturo Arias Brenda Lucia;Achanta Chalapathi Rao;Jenssen Christian;Seo Dong-Wan;Adler Douglas G;Kalaitzakis Evangelos;Artifon Everson;Itokawa Fumihide;Poley Jan Werner;Mishra Girish;Ho Khek Yu;Wang Hsiu-Po;Okasha Hussein Hassan;Lachter Jesse;Vila Juan J;Iglesias-Garcia Julio;Yamao Kenji;Yasuda Kenjiro;Kubota Kensuke;Palazzo Laurent;Sabbagh Luis Carlos;Sharma Malay;Kida Mitsuhiro;El-Nady Mohamed;Nguyen Nam Q;Vilmann Peter;Garg Pramod Kumar;Rai Praveer;Mukai Shuntaro;Carrara Silvia;Parupudi Sreeram;Sridhar Subbaramiah;Lakhtakia Sundeep;Rana Surinder S;Ogura Takeshi;Baron Todd H;Dhir Vinay;Sun Siyu, Endoscopic ultrasound, 7(6), 356-365

Risk Factors for Pancreatic Stone Formation in Type 1 Autoimmune Pancreatitis: A Long-term Japanese Multicenter Analysis of 624 Patients., Ito Tetsuya;Kawa Shigeyuki;Matsumoto Akihiro;Kubota Kensuke;Kamisawa Terumi;Okazaki Kazuichi;Hirano Kenji;Hirooka Yoshiki;Uchida Kazushige;Masuda Atsuhiro;Ohara Hirotaka;Shimizu Kyoko;Arakura Norikazu;Masamune Atsushi;Kanno Atsushi;Sakagami Junichi;Itoi Takao;Ito Tetsuhide;Ueki Toshiharu;Nishino Takayoshi;Inui Kazuo;Mizuno Nobumasa;Yoshida Hitoshi;Sugiyama Masanori;Iwasaki Eisuke;Irisawa Atsushi;Shimosegawa Tooru;Chiba Tsutomu, Pancreas, 48(1), 49-54, 2019

Hematemesis due to Drug Allergy to Oral Prednisolone in a Patient with Ulcerative Colitis., Arisaka Takahiro;Kanazawa Mimari;Tominaga Keiichi;Takahashi Fumiaki;Takenaka Kazuhiro;Sugaya Takeshi;Arisaka Osamu;Irisawa Atsushi;Hiraishi Hideyuki, Internal medicine (Tokyo, Japan), 58(8), 1093-1096, 15 Apr. 2019

Long-term outcomes after therapeutic endoscopic retrograde cholangiopancreatography using balloon-assisted enteroscopy for anastomotic stenosis of choledochojejunostomy/pancreaticojejunostomy., Sano Itsuki;Katanuma Akio;Kuwatani Masaki;Kawakami Hiroshi;Kato Hironari;Itoi Takao;Ono Michihiro;Irisawa Atsushi;Okabe Yoshinobu;Iwashita Takuji;Yasuda Ichiro;Ryozawa Shomei;Kaino Seiji;Sakamoto Naoya, Journal of gastroenterology and hepatology, 34(3), 612-619, Mar. 2019

Safety and Efficacy of Nonanesthesiologist-Administrated Propofol during Endoscopic Submucosal Dissection of Gastric Epithelial Tumors., Abe Keiichiro;Tominaga Keiichi;Kanamori Akira;Suzuki Tsunehiro;Kino Hitoshi;Nakano Masakazu;Sugaya Takeshi;Tsuchida Kouhei;Majima Yuichi;Murohisa Toshimitsu;Iijima Makoto;Goda Kenichi;Irisawa Atsushi, Gastroenterology research and practice, 2019, 5937426, 2019

Retroperitoneal Hematoma: Rupture of Aneurysm in the Arc of Bühler Caused by Median Arcuate Ligament Syndrome., Abe Keiichiro;Iijima Makoto;Tominaga Keiichi;Masuyama Satoshi;Izawa Naoya;Majima Yuichi;Irisawa Atsushi, Clinical medicine insights. Case reports, 12, 1179547619828716, 2019

New endoscopic ultrasonography criteria for malignant lymphadenopathy based on inter-rater agreement., Takasaki Yusuke;Irisawa Atsushi;Shibukawa Goro;Sato Ai;Abe Yoko;Yamabe Akane;Arakawa Noriyuki;Maki Takumi;Yoshida Yoshitsugu;Igarashi Ryo;Yamamoto Shogo;Ikeda Tsunehiko, PloS one, 14(2), e0212427, 2019

Relationship between endoscopic mucosal healing and histologic inflammation during remission maintenance phase in ulcerative colitis: a retrospective study., Kanazawa Mimari;Takahashi Fumiaki;Tominaga Keiichi;Abe Keiichiro;Izawa Naoya;Fukushi Koh;Nagashima Kazunori;Kanamori Akira;Takenaka Kazuhiro;Sugaya Takeshi;Iijima Makoto;Takada Atsuko;Imai Yasuo;Hiraishi Hideyuki;Irisawa Atsushi, Endoscopy international open, 7(4), E568-E575, Apr. 2019

Clinical practice guidelines for safe performance of endoscopic ultrasound/ultrasonography-guided biliary drainage: 2018., Isayama Hiroyuki;Nakai Yousuke;Itoi Takao;Yasuda Ichiro;Kawakami Hiroshi;Ryozawa Shomei;Kitano Masayuki;Irisawa Atsushi;Katanuma Akio;Hara Kazuo;Iwashita Takuji;Fujita Naotaka;Yamao Kenji;Yoshida Masahiro;Inui Kazuo, Journal of hepato-biliary-pancreatic sciences, 26(7), 249-269, Jul. 2019

A rare case of pulmonary lepidic metastasis in patient with branch-type intraductal papillary mucinous carcinoma of the pancreas., Sakuma Fumi;Tsuchida Kohei;Minaguchi Takahito;Nagashima Kazunori;Izawa Naoya;Jinnai Hidehito;Sugaya Takeshi;Tominaga Keiichi;Goda Kenichi;Iijima Makoto;Machida Hiromi;Kuroda Hajime;Irisawa Atsushi, Clinical journal of gastroenterology, 12(6), 621-625, Dec. 2019

Safety and efficacy of endoscopic ultrasound-guided fine needle aspiration for pancreatic masses: A prospective multicenter study., Yoshinaga Shigetaka;Itoi Takao;Yamao Kenji;Yasuda Ichiro;Irisawa Atsushi;Imaoka Hiroshi;Tsuchiya Takayoshi;Doi Shinpei;Yamabe Akane;Murakami Yoshitaka;Ishikawa Hideki;Saito Yutaka, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 32(1), 114-126, Jan. 2020

Prospective study of early chronic pancreatitis diagnosed based on the Japanese diagnostic criteria., Masamune Atsushi;Nabeshima Tatsuhide;Kikuta Kazuhiro;Hamada Shin;Nakano Eriko;Kume Kiyoshi;Kanno Atsushi;Sato Ai;Tachibana Yuichi;Inatomi Osamu;Yamamoto Satoshi;Ikeura Tsukasa;Futagami Seiji;Taguchi Masashi;Hanada Keiji;Shimizu Kyoko;Kageoka Masanobu;Saito Tomotaka;Eguchi Takaaki;Kubota Kensuke;Takenaka Mamoru;Mima Atsushi;Irisawa Atsushi;Ito Tetsuhide;Andoh Akira;Inui Kazuo;Takeyama Yoshifumi;Yamaue Hiroki;Okazaki Kazuichi;Shimosegawa Tooru, Journal of gastroenterology, 54(10), 928-935, Oct. 2019

An international, multi-institution survey of the use of EUS in the diagnosis of pancreatic cystic lesions., Ge Nan;Brugge William R;Saxena Payal;Sahai Anand;Adler Douglas G;Giovannini Marc;Pausawasdi Nonthalee;Santo Erwin;Mishra Girish;Tam William;Kida Mitsuhiro;de la Mora-Levy Jose G;Sharma Malay;Umar Muhammad;Katanuma Akio;Lee Linda;Garg Pramod Kumar;Eloubeidi Mohamad Ali;Yu Ho Khek;Raijman Isaac;Arturo Arias Brenda Lucia;Bhutani Manoop;Carrara Silvia;Rai Praveer;Mukai Shuntaro;Palazzo Laurent;Dietrich Christoph F;Nguyen Nam Q;El-Nady Mohamed;Poley Jan Werner;Guaraldi Simone;Kalaitzakis Evangelos;Sabbagh Luis Carlos;Lariño-Noia Jose;Gress Frank G;Lee Yuk-Tong;Rana Surinder S;Fusaroli Pietro;Hocke Michael;Dhir Vinay;Lakhtakia Sundeep;Ratanachu-Ek Thawee;Chalapathi Rao A S;Vilmann Peter;Okasha Hussein Hassan;Irisawa Atsushi;Ponnudurai Ryan;Leong Ang Tiing;Artifon Everson;Iglesias-Garcia Julio;Saftoiu Adrian;Larghi Alberto;Robles-Medranda Carlos;Sun Siyu, Endoscopic ultrasound, 8(6), 418-427

Japan Esophageal Society classification for predicting the invasion depth of superficial esophageal squamous cell carcinoma: Should it be modified now?, Goda Kenichi;Irisawa Atsushi, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 32(1), 37-38, Jan. 2020

Multiple esophageal ulcers due to tofacitinib 10 mg twice daily for ulcerative colitis., Tominaga Keiichi;Kanazawa Mimari;Takenaka Kazuhiro;Tanaka Takanao;Sugaya Takeshi;Fukushi Koh;Takagi Yuka;Nagashima Kazunori;Abe Keiichiro;Izawa Naoya;Tsuchida Kohei;Iijima Makoto;Goda Kenichi;Yamagishi Hidetsugu;Irisawa Atsushi, Clinical journal of gastroenterology, 13(3), 340-343, Jun. 2020

Does the Use of Low Osmolality Contrast Medium Reduce the Frequency of Post-Endoscopic Retrograde Cholangiopancreatography Pancreatitis: A Comparative Study between Use of Low and High Osmolality Contrast Media., Nagashima Kazunori;Ijima Masashi;Kimura Kouichirou;Kurihara Eishin;Tominaga Keiichi;Fukushi Koh;Kanamori Akira;Otake Yosuke;Irisawa Atsushi, Digestion, 102(2), 283-288, 2021

Endoscopic score vs blood cell indices for determining timing of immunomodulator withdrawal in quiescent ulcerative colitis., Takenaka Kazuhiro;Tominaga Keiichi;Kanazawa Mimari;Fukushi Koh;Tanaka Takanao;Kanamori Akira;Sugaya Takeshi;Tsuchida Kouhei;Iijima Makoto;Goda Kenichi;Irisawa Atsushi, Scientific reports, 9(1), 17751, 2019

The Feasibility and Histological Diagnostic Accuracy of Novel Menghini Needle (EUS Sonopsy CY™) for Endoscopic Ultrasound-Guided Fine-Needle Aspiration Biopsy of Solid Pancreatic Masses: A Prospective Crossover Study Comparing Standard Biopsy Needles., Igarashi Ryo;Irisawa Atsushi;Bhutani Manoop S;Cazacu Irina M;Shibukawa Goro;Sato Ai;Yamabe Akane;Maki Takumi;Yoshida Yoshitsugu;Yamamoto Shogo;Ikeda Tsunehiko;Hojo Hiroshi, Gastroenterology research and practice, 2019, 5810653, 2019

Validity of Endoscopic Ultrasound Findings of Chronic Pancreatitis: Evaluation from the Viewpoint of Disease Risk Factors., Yamabe Akane;Irisawa Atsushi;Bhutani Manoop S;Sato Ai;Maki Takumi;Takasaki Yusuke;Yoshida Yoshitsugu;Yamamoto Shogo;Shibukawa Goro, Digestion, 102(2), 289-297, 2021

International consensus statements for endoscopic management of distal biliary stricture., Nakai Yousuke;Isayama Hiroyuki;Wang Hsiu-Po;Rerknimitr Rungsun;Khor Christopher;Yasuda Ichiro;Kogure Hirofumi;Moon Jong Ho;Lau James;Lakhtakia Sundeep;Ratanachu-Ek Thawee;Seo Dong Wan;Lee Dong Ki;Makmun Dadang;Dy Frederick;Liao Wei-Chih;Draganov Peter V;Almadi Majid;Irisawa Atsushi;Katanuma Akio;Kitano Masayuki;Ryozawa Shomei;Fujisawa Toshio;Wallace Michael B;Itoi Takao;Devereaux Benedict, Journal of gastroenterology and hepatology, 35(6), 967-979, Jun. 2020

Severe acute pancreatitis with inflammation extending to the scrotum., Fukushi Koh;Tominaga Keiichi;Takenaka Kazuhiro;Takahashi Fumiaki;Tsuchida Kouhei;Murohisa Toshimitsu;Iijima Makoto;Irisawa Atsushi, Clinical case reports, 7(12), 2592-2593, Dec. 2019

A Case of Bilateral Acute Inferior Limb Ischemia in a Patient With Ulcerative Colitis., Kanazawa Mimari;Sugaya Takeshi;Takahashi Fumiaki;Takenaka Kazuhiro;Tsuchida Kouhei;Tominaga Keiichi;Majima Yuichi;Iijima Makoto;Goda Kenichi;Irisawa Atsushi, Clinical medicine insights. Case reports, 13, 1179547620912734, 2020

Endoscopic narrow-band imaging for the diagnostic workup of intraductal papillary mucinous neoplasm with duodenal fistula., Yamamiya Akira;Irisawa Atsushi;Tsuchida Kohei;Izawa Naoya;Tominaga Keiichi;Goda Kenichi, Polish archives of internal medicine, 130(6), 544-545, 2020

Duodenal Stenosis Due to Carcinoma of the Lower Bile Duct: A Case Report., Maki Takumi;Irisawa Atsushi;Notohara Kenji;Shibukawa Goro;Sato Ai;Yamabe Akane;Yoshida Yoshitsugu;Yamamoto Shogo;Soeta Nobutoshi;Saito Takuro, Clinical medicine insights. Case reports, 13, 1179547620919453, 2020

International consensus guidelines on the role of diagnostic endoscopic ultrasound in the management of chronic pancreatitis. Recommendations from the working group for the international consensus guidelines for chronic pancreatitis in collaboration with the International Association of Pancreatology, the American Pancreatic Association, the Japan Pancreas Society, and European Pancreatic Club., Mel Wilcox C;Gress Thomas;Boermeester Marja;Masamune Atsushi;Lévy Philippe;Itoi Takao;Varadarajulu Shyam;Irisawa Atsushi;Levy Michael;Kitano Masayuki;Garg Pramod;Isaji Shuiji;Shimosegawa Tooru;Sheel Andrea R G;Whitcomb David C;Neoptolemos John P; , Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.], 20(5), 822-827, Jul. 2020

Prediction of the progression of walled-off necrosis in patients with acute pancreatitis on whole pancreatic perfusion CT., Yamamiya Akira;Kitamura Katsuya;Yoshida Hitoshi;Ishii Yu;Mitsui Yuta;Irisawa Atsushi, Journal of hepato-biliary-pancreatic sciences, 27(10), 739-746, Oct. 2020

Multiple colorectal xanthomas in an asymptomatic patient., Tominaga Keiichi;Masuyama Hironori;Kanazawa Mimari;Irisawa Atsushi, Polish archives of internal medicine, 130(10), 901-902, 2020

Ceftriaxone-associated Pseudolithiasis in the Gallbladder and Bile Duct of an Elderly Patient., Yamabe Akane;Irisawa Atsushi;Wakabayashi Hiroto;Tsunoda Takuya;Tominaga Keiichi, Internal medicine (Tokyo, Japan), 59(21), 2725-2728, 01 Nov. 2020

Endoscopic ultrasound-guided angiotherapy in bleeding gastrointestinal stromal tumors with coil deployment and cyanoacrylate injection., Romero-Castro Rafael;Jimenez-Garcia Victoria Alejandra;Irisawa Atsushi;Hergueta-Delgado Pedro;Garrido-Serrano Antonio;Aparcero-Lopez Reyes;Caunedo-Alvarez Angel, Endoscopy, 53(4), E124-E125, Apr. 2021

Huge Amoebic Liver Abscess in the Left Lobe Treated by Oral Administration of Metronidazole., Inaba Yasunori;Izawa Naoya;Ishikawa Mutsumi;Yamamiya Akira;Hoshi Koki;Arisaka Takahiro;Majima Yuichi;Tominaga Keiichi;Iijima Makoto;Goda Kenichi;Irisawa Atsushi, Internal medicine (Tokyo, Japan), 59(23), 3023-3026, 01 Dec. 2020

International consensus guidelines on interventional endoscopy in chronic pancreatitis. Recommendations from the working group for the international consensus guidelines for chronic pancreatitis in collaboration with the International Association of Pancreatology, the American Pancreatic Association, the Japan Pancreas Society, and European Pancreatic Club., Kitano Masayuki;Gress Thomas M;Garg Pramod K;Itoi Takao;Irisawa Atsushi;Isayama Hiroyuki;Kanno Atsushi;Takase Kei;Levy Michael;Yasuda Ichiro;Lévy Phillipe;Isaji Shuiji;Fernandez-Del Castillo Carlos;Drewes Asbjørn M;Sheel Andrea R G;Neoptolemos John P;Shimosegawa Tooru;Boermeester Marja;Wilcox C Mel;Whitcomb David C, Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.], 20(6), 1045-1055, Sep. 2020

An international, multi-institution survey on performing EUS-FNA and fine needle biopsy., Guo Jintao;Sahai Anand V;Teoh Anthony;Arcidiacono Paolo Giorgio;Larghi Alberto;Saftoiu Adrian;Siddiqui Ali A;Arturo Arias Brenda Lucia;Jenssen Christian;Adler Douglas G;Lakhtakia Sundeep;Seo Dong-Wan;Itokawa Fumihide;Giovannini Marc;Mishra Girish;Sabbagh Luis;Irisawa Atsushi;Iglesias-Garcia Julio;Poley Jan Werner;Vila Juan J;Jesse Lachter;Kubota Kensuke;Kalaitzakis Evangelos;Kida Mitsuhiro;El-Nady Mohamed;Mukai Sh Untaro;Ogura Takeshi;Fusaroli Pietro;Vilmann Peter;Rai Praveer;Nguyen Nam Q;Ponnudurai Ryan;Achanta Chalapathi Rao;Baron Todd H;Yasuda Ichiro;Wang Hsiu-Po;Hu Jinlong;Duan Bowen;Bhutani Manoop S;Sun Siyu, Endoscopic ultrasound, 9(5), 319-328

Gastric Dieulafoy's lesion with subepithelial lesion-like morphology., Tanaka Takanao;Sugaya Takeshi;Tominaga Keiichi;Kanazawa Mimari;Suzuki Tsunehiro;Ishikawa Mutsumi;Yamamiya Akira;Arisaka Takahiro;Majima Yuichi;Iijima Makoto;Goda Kenichi;Irisawa Atsushi, Clinical journal of gastroenterology, 14(1), 71-75, Feb. 2021

Guidelines for sedation in gastroenterological endoscopy (second edition)., Gotoda Takuji;Akamatsu Takuji;Abe Seiichiro;Shimatani Masaaki;Nakai Yousuke;Hatta Waku;Hosoe Naoki;Miura Yoshimasa;Miyahara Ryoji;Yamaguchi Daisuke;Yoshida Naohisa;Kawaguchi Yosuke;Fukuda Shinsaku;Isomoto Hajime;Irisawa Atsushi;Iwao Yasushi;Uraoka Toshio;Yokota Miyuki;Nakayama Takeo;Fujimoto Kazuma;Inoue Haruhiro, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 33(1), 21-53, Jan. 2021

A Case of Lung Abscess Caused by Double Immunosuppressive Therapy to Treat Ulcerative Colitis., Tominaga Keiichi;Kanazawa Mimari;Tanaka Takanao;Kojimahara Shunsuke;Sugaya Takeshi;Watanabe Shoko;Yamamiya Akira;Majima Yuichi;Iijima Makoto;Goda Kenichi;Irisawa Atsushi, Medicina (Kaunas, Lithuania), 56(11), 07 Nov. 2020

Interobserver Reliability of Endoscopic Ultrasonography: Literature Review., Yamamiya Akira;Irisawa Atsushi;Kashima Ken;Kunogi Yasuhito;Nagashima Kazunori;Minaguchi Takahito;Izawa Naoya;Yamabe Akane;Hoshi Koki;Tominaga Keiichi;Iijima Makoto;Goda Kenichi, Diagnostics (Basel, Switzerland), 10(11), 15 Nov. 2020

The Role of Endoscopic Ultrasound for Esophageal Varices., Nagashima Kazunori;Irisawa Atsushi;Tominaga Keiichi;Kashima Ken;Kunogi Yasuhito;Minaguchi Takahito;Izawa Naoya;Yamamiya Akira;Yamabe Akane;Hoshi Koki;Goda Kenichi;Iijima Makoto, Diagnostics (Basel, Switzerland), 10(12), 25 Nov. 2020

Adverse events of endoscopic ultrasound-guided fine-needle aspiration for histologic diagnosis in Japanese tertiary centers: Multicenter retrospective study., Kanno Atsushi;Yasuda Ichiro;Irisawa Atsushi;Hara Kazuo;Ashida Reiko;Iwashita Takuji;Takenaka Mamoru;Katanuma Akio;Takikawa Tetsuya;Kubota Kensuke;Kato Hironari;Nakai Yousuke;Ryozawa Shomei;Kitano Masayuki;Isayama Hiroyuki;Kamada Hideki;Okabe Yoshinobu;Hanada Keiji;Ohtsubo Koushiro;Doi Shinpei;Hisai Hiroyuki;Shibukawa Goro;Imazu Hiroo;Masamune Atsushi; , Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 07 Dec. 2020

Feasibility and Safety of Transjugular Liver Biopsy for Japanese Patients with Chronic Liver Diseases., Iijima Makoto;Arisaka Takahiro;Yamamiya Akira;Tominaga Keiichi;Nagashima Kazunori;Kanamori Akira;Masuyama Satoshi;Majima Yuichi;Goda Kenichi;Ishida Kazuyuki;Irisawa Atsushi, Diagnostics (Basel, Switzerland), 11(1), 16 Jan. 2021

An international study of interobserver variability of "string sign" of pancreatic cysts among experienced endosonographers., Hakim Seifeldin;Coronel Emmanuel;González Graciela M Nogueras;Ge Philip S;Chari Suresh T;Thosani Nirav;Ramireddy Srinivas;Badillo Ricardo;DaVee Tomas;Catalano Marc F;Sealock Robert J;Parupudi Sreeram;Hernandez Lyndon V;Joshi Virendra;Irisawa Atsushi;Rana Surinder;Lakhtakia Sundeep;Vilmann Peter;Saftoiu Adrian;Sun Siyu;Giovannini Marc;Katz Matthew H;Kim Michael P;Bhutani Manoop S, Endoscopic ultrasound, 10(1), 39-50

Thiopurines: Recent Topics and Their Role in the Treatment of Inflammatory Bowel Diseases., Tominaga Keiichi;Sugaya Takeshi;Tanaka Takanao;Kanazawa Mimari;Iijima Makoto;Irisawa Atsushi, Frontiers in pharmacology, 11, 582291, 2020

Multiple cystic lesions around the bile duct., Kunogi Yasuhito;Izawa Naoya;Tominaga Keiichi;Irisawa Atsushi, Polish archives of internal medicine, 131(4), 387-388, 2021

Development of biliary stent applying the antibacterial activity of silver: A literature review., Yamabe Akane;Irisawa Atsushi;Kunogi Yasuhito;Kashima Ken;Nagashima Kazunori;Minaguchi Takahito;Yamamiya Akira;Izawa Naoya;Takimoto Yoichi;Hoshi Koki;Nonaka Lisa;Masuda Michiaki;Tominaga Keiichi;Goda Kenichi;Iijima Makoto, Bio-medical materials and engineering, 32(2), 63-71, 2021

Modified double-guidewire technique using a unique double-lumen sphincterotome for difficult biliary cannulation., Shiomi Hideyuki;Kutsumi Hiromu;Ryozawa Shomei;Irisawa Atsushi;Kodama Yuzo, VideoGIE : an official video journal of the American Society for Gastrointestinal Endoscopy, 6(3), 124-128, Mar. 2021

Factors Affecting Technical Difficulty in Balloon Enteroscopy-Assisted Endoscopic Retrograde Cholangiopancreatography in Patients with Surgically Altered Anatomy., Izawa Naoya;Tsuchida Kohei;Tominaga Keiichi;Fukushi Koh;Sakuma Fumi;Kashima Ken;Kunogi Yasuhito;Kanazawa Mimari;Tanaka Takanao;Nagashima Kazunori;Minaguchi Takahito;Iwasaki Mari;Yamamiya Akira;Jinnai Hidehito;Yamabe Akane;Hoshi Koki;Sugaya Takeshi;Iijima Makoto;Goda Kenichi;Irisawa Atsushi, Journal of clinical medicine, 10(5), 06 Mar. 2021

Interobserver Reliability of the Endoscopic Ultrasound Criteria for the Diagnosis of Early Chronic Pancreatitis: Comparison between the 2009 and 2019 Japanese Diagnostic Criteria., Yamamiya Akira;Irisawa Atsushi;Tominaga Keiichi;Tsuchida Kohei;Sugaya Takeshi;Tsunemi Misako;Hoshi Koki;Jinnai Hidehito;Yamabe Akane;Izawa Naoya;Iwasaki Mari;Takimoto Yoichi;Kanamori Akira;Nagashima Kazunori;Minaguchi Takahito;Kashima Ken;Kunogi Yasuhito;Sato Ai;Goda Kenichi;Iijima Makoto;Haruyama Yasuo, Diagnostics (Basel, Switzerland), 11(3), 03 Mar. 2021

Refractory Immune Checkpoint Inhibitor-Induced Colitis Improved by Tacrolimus: A Case Report., Kunogi Yasuhito;Tominaga Keiichi;Abe Keiichiro;Kanazawa Mimari;Tanaka Takanao;Watanabe Shoko;Kondo Masayuki;Kanamori Akira;Iijima Makoto;Goda Kenichi;Nozawa Yumi;Ishida Kazuyuki;Irisawa Atsushi, Healthcare (Basel, Switzerland), 9(4), 05 Apr. 2021

The Japanese Medical Science Federation COVID-19 Expert Opinion English Version., Nangaku Masaomi;Kadowaki Takashi;Yotsuyanagi Hiroshi;Ohmagari Norio;Egi Moritoki;Sasaki Junichi;Sakamoto Tetsuya;Hasegawa Yoshinori;Ogura Takashi;Chiba Shigeru;Node Koichi;Suzuki Ryo;Yamaguchi Yasuhiro;Murashima Atsuko;Ikeda Norihiko;Morishita Eriko;Yuzawa Kenji;Moriuchi Hiroyuki;Hayakawa Satoshi;Nishi Daisuke;Irisawa Atsushi;Miyamoto Toshiaki;Suzuki Hidetaka;Sone Hirohito;Fujino Yuuji, JMA journal, 4(2), 148-162, 15 Apr. 2021

Association of long-term endoscopic biliary stent placement with choledocholithiasis: a literature review., Hoshi Koki;Irisawa Atsushi;Tominaga Keiichi;Goda Kenichi;Iijima Makoto, Clinical journal of gastroenterology, 07 Jun. 2021

Advances in therapeutic interventional endoscopic ultrasound., Irisawa Atsushi, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 34 Suppl 2, 124-128, 2022

The impact of endoscopic sphincterotomy incision size on common bile duct stone recurrence: A propensity score matching analysis., Takimoto Yoichi;Irisawa Atsushi;Hoshi Koki;Yamamiya Akira;Nagashima Kazunori;Minaguchi Takahito;Yamabe Akane;Izawa Naoya;Haruyama Yasuo;Tominaga Keiichi, Journal of hepato-biliary-pancreatic sciences, 26 Nov. 2021

Whole circumferential endoscopic submucosal dissection of superficial adenocarcinoma in long-segment Barrett's esophagus: A case report., Abe Keiichiro;Goda Kenichi;Kanamori Akira;Suzuki Tsunehiro;Yamamiya Akira;Takimoto Yoichi;Arisaka Takahiro;Hoshi Koki;Sugaya Takeshi;Majima Yuichi;Tominaga Keiichi;Iijima Makoto;Hirooka Shinichi;Yamagishi Hidetsugu;Irisawa Atsushi, World journal of gastrointestinal surgery, 13(10), 1285-1292, 27 Oct. 2021

Analysis of Endoscopic Evaluation Reliability for Ulcerative Colitis in Histological Remission., Kanazawa Mimari;Tominaga Keiichi;Yamamiya Akira;Tanaka Takanao;Watanabe Shoko;Sugaya Takeshi;Abe Keiichiro;Kanamori Akira;Arisaka Takahiro;Hoshi Koki;Iijima Makoto;Goda Kenichi;Haruyama Yasuo;Irisawa Atsushi, Healthcare (Basel, Switzerland), 9(11), 20 Oct. 2021

Efficacy and factors affecting procedure results of short-type single-balloon enteroscopy-assisted ERCP for altered anatomy: a multicenter cohort in Japan., Tanisaka Yuki;Ryozawa Shomei;Itoi Takao;Yamauchi Hiroshi;Katanuma Akio;Okabe Yoshinobu;Irisawa Atsushi;Nakahara Kazunari;Iwasaki Eisuke;Ishii Kentaro;Kin Toshifumi;Terabe Hiroya;Izawa Naoya;Morita Ryo;Minami Kazuhiro;Araki Ryuichiro;Fujita Akashi;Ogawa Tomoya;Mizuide Masafumi;Kida Mitsuhiro, Gastrointestinal endoscopy, 95(2), 310-318.e1, Feb. 2022

Recent Advances in Endosonography-Elastography: Literature Review., Yamamiya Akira;Irisawa Atsushi;Hoshi Koki;Yamabe Akane;Izawa Naoya;Nagashima Kazunori;Minaguchi Takahito;Yamaura Masamichi;Yoshida Yoshitsugu;Kashima Ken;Kunogi Yasuhito;Sakuma Fumi;Tominaga Keiichi;Iijima Makoto;Goda Kenichi, Journal of clinical medicine, 10(16), 23 Aug. 2021

A Prospective Multicenter Randomized Feasibility Trial of Double-guidewire Techniques for Difficult Biliary Cannulation Comparing a New Double-guidewire-supported Sphincterotome (MagicTome) to a Conventional Device., Ogawa Tomoya;Ryozawa Shomei;Irisawa Atsushi;Masuda Atsuhiro;Tanisaka Yuki;Fujita Akashi;Mizuide Masafumi;Yamabe Akane;Shibukawa Goro;Sakai Arata;Shiomi Hideyuki;Yoshinaka Hayato;Okabe Yoshihiro;Arisaka Yoshifumi;Kutsumi Hiromu, Internal medicine (Tokyo, Japan), 61(3), 291-301, 01 Feb. 2022

Pilot Study of Acupuncture's Antispasmodic Effect on Upper Gastrointestinal Tract during Endoscopic Submucosal Dissection for Early Gastric Cancer: Controlled Clinical Trial., Suzuki Masao;Ishizaki Naoto;Kayo Takumi;Furuta Taiga;Igarashi Ryo;Maki Takumi;Hoshi Koki;Yamabe Akane;Fujisawa Mariko;Funakubo Akira;Mitsuma Tadamichi;Irisawa Atsushi;Shibukawa Goro, Journal of clinical medicine, 10(14), 09 Jul. 2021

A Case of Crohn's Disease with Cardiac Tamponade Caused by Tuberculous Pericarditis: Assessment of a Rare Phenomenon., Tominaga Keiichi;Tanaka Takanao;Kanazawa Mimari;Watanabe Shoko;Nemoto Rena;Abe Keiichiro;Kanamori Akira;Yamamiya Akira;Goda Kenichi;Kushima Yoshitomo;Chibana Kazuyuki;Masawa Taito;Fukuda Tomohiro;Hibi Toshifumi;Irisawa Atsushi, Healthcare (Basel, Switzerland), 9(6), 09 Jun. 2021

An international study of interobserver variability of "string sign" of pancreatic cysts among experienced endosonographers., Hakim Seifeldin;Coronel Emmanuel;González Graciela M Nogueras;Ge Philip S;Chari Suresh T;Thosani Nirav;Ramireddy Srinivas;Badillo Ricardo;DaVee Tomas;Catalano Marc F;Sealock Robert J;Parupudi Sreeram;Hernandez Lyndon V;Joshi Virendra;Irisawa Atsushi;Rana Surinder;Lakhtakia Sundeep;Vilmann Peter;Saftoiu Adrian;Sun Siyu;Giovannini Marc;Katz Matthew H;Kim Michael P;Bhutani Manoop S, Endoscopic ultrasound, 10(1), 39-50

Adverse events of endoscopic ultrasound-guided fine-needle aspiration for histologic diagnosis in Japanese tertiary centers: Multicenter retrospective study., Kanno Atsushi;Yasuda Ichiro;Irisawa Atsushi;Hara Kazuo;Ashida Reiko;Iwashita Takuji;Takenaka Mamoru;Katanuma Akio;Takikawa Tetsuya;Kubota Kensuke;Kato Hironari;Nakai Yousuke;Ryozawa Shomei;Kitano Masayuki;Isayama Hiroyuki;Kamada Hideki;Okabe Yoshinobu;Hanada Keiji;Ohtsubo Koushiro;Doi Shinpei;Hisai Hiroyuki;Shibukawa Goro;Imazu Hiroo;Masamune Atsushi; , Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 33(7), 1146-1157, Nov. 2021

Clinical Questions and Answers on Gastrointestinal Endoscopy during the Novel Coronavirus Disease 2019 pandemic., Furuta Takahisa;Irisawa Atsushi;Matsumoto Takayuki;Kawai Takashi;Inaba Tomoki;Kanno Atsushi;Katanuma Akio;Kawahara Yoshiro;Matsuda Koji;Mizukami Kazuhiro;Otsuka Takao;Yasuda Ichiro;Fujishiro Mitsuhiro;Tanaka Shinji;Fujimoto Kazuma;Fukuda Shinsaku;Iishi Hiroyasu;Igarashi Yoshinori;Inui Kazuo;Ueki Toshiharu;Ogata Haruhiko;Kato Mototsugu;Shiotani Akiko;Higuchi Kazuhide;Fujita Naotaka;Murakami Kazunari;Yamamoto Hironori;Ito Tohru;Okazaki Kazuichi;Kitagawa Yuko;Mine Tetsuya;Tajiri Hisao;Inoue Haruhiro, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 32(5), 651-657, Jul. 2020

Gastrointestinal endoscopy in the era of the acute pandemic of coronavirus disease 2019: Recommendations by Japan Gastroenterological Endoscopy Society (Issued on April 9th, 2020)., Irisawa Atsushi;Furuta Takahisa;Matsumoto Takayuki;Kawai Takashi;Inaba Tomoki;Kanno Atsushi;Katanuma Akio;Kawahara Yoshiro;Matsuda Koji;Mizukami Kazuhiro;Otsuka Takao;Yasuda Ichiro;Tanaka Shinji;Fujimoto Kazuma;Fukuda Shinsaku;Iishi Hiroyasu;Igarashi Yoshinori;Inui Kazuo;Ueki Toshiharu;Ogata Haruhiko;Kato Mototsugu;Shiotani Akiko;Higuchi Kazuhide;Fujita Naotaka;Murakami Kazunari;Yamamoto Hironori;Ito Tohru;Okazaki Kazuichi;Kitagawa Yuko;Mine Tetsuya;Tajiri Hisao;Inoue Haruhiro, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 32(5), 648-650, Jul. 2020

An international, multi-institution survey on performing EUS-FNA and fine needle biopsy., Guo Jintao;Sahai Anand V;Teoh Anthony;Arcidiacono Paolo Giorgio;Larghi Alberto;Saftoiu Adrian;Siddiqui Ali A;Arturo Arias Brenda Lucia;Jenssen Christian;Adler Douglas G;Lakhtakia Sundeep;Seo Dong-Wan;Itokawa Fumihide;Giovannini Marc;Mishra Girish;Sabbagh Luis;Irisawa Atsushi;Iglesias-Garcia Julio;Poley Jan Werner;Vila Juan J;Jesse Lachter;Kubota Kensuke;Kalaitzakis Evangelos;Kida Mitsuhiro;El-Nady Mohamed;Mukai Sh Untaro;Ogura Takeshi;Fusaroli Pietro;Vilmann Peter;Rai Praveer;Nguyen Nam Q;Ponnudurai Ryan;Achanta Chalapathi Rao;Baron Todd H;Yasuda Ichiro;Wang Hsiu-Po;Hu Jinlong;Duan Bowen;Bhutani Manoop S;Sun Siyu, Endoscopic ultrasound, 9(5), 319-328

Measuring optimal ultrasound speed using endoscopic ultrasound in patients with chronic pancreatitis, including early stage., Minaguchi Takahito;Yamamiya Akira;Tominaga Keiichi;Kashima Ken;Kunogi Yasuhito;Sakuma Fumi;Fukushi Koh;Nagashima Kazunori;Izawa Naoya;Yamabe Akane;Hoshi Koki;Iijima Makoto;Goda Kenichi;Haruyama Yasuo;Irisawa Atsushi, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 34(6), 1214-1221, 06 Apr. 2022

Amendment of the Japanese consensus guidelines for autoimmune pancreatitis, 2020., Okazaki Kazuichi;Kawa Shigeyuki;Kamisawa Terumi;Ikeura Tsukasa;Itoi Takao;Ito Tetsuhide;Inui Kazuo;Irisawa Atsushi;Uchida Kazushige;Ohara Hirotaka;Kubota Kensuke;Kodama Yuzo;Shimizu Kyoko;Tonozuka Ryosuke;Nakazawa Takahiro;Nishino Takayoshi;Notohara Kenji;Fujinaga Yasunari;Masamune Atsushi;Yamamoto Hiroshi;Watanabe Takayuki;Nishiyama Toshimasa;Kawano Mitsuhiro;Shiratori Keiko;Shimosegawa Tooru;Takeyama Yoshifumi; , Journal of gastroenterology, 57(4), 225-245, 22 Feb. 2022

Hemorrhagic Colitis Caused by Everolimus in a Patient with Nonfunctional Pancreatic Neuroendocrine Neoplasms: A Case Report., Arakawa Noriyuki;Irisawa Atsushi;Ishida Kazuyuki;Tsunoda Takuya;Yamaguchi Yoshiko;Yamabe Akane;Eizuka Makoto;Tokioka Shunzo;Wakabayashi Hiroto, Medicina (Kaunas, Lithuania), 58(3), 10 Mar. 2022

The Risk Factors for Progression to Chronic Pancreatitis in Patients with Past-History of Acute Pancreatitis: A Retrospective Analysis Based on Mechanistic Definition., Yamamiya Akira;Tominaga Keiichi;Hoshi Koki;Nagashima Kazunori;Minaguchi Takahito;Haruyama Yasuo;Irisawa Atsushi, Journal of clinical medicine, 11(8), 15 Apr. 2022

Direct large flow of venous gas into right atrium and ventricle during endoscopic biliary treatment., Hoshi Koki;Tominaga Keiichi;Izawa Naoya;Yamamiya Akira;Nagashima Kazunori;Minaguchi Takahito;Irisawa Atsushi, Endoscopy, 54(S 02), E877-E878, 24 Jun. 2022

Making Hematochezia of Unknown Origin Known: A Retrospective Analysis., Tanaka Takanao;Tominaga Keiichi;Yamamiya Akira;Sugaya Takeshi;Kanazawa Mimari;Kondo Masayuki;Abe Keiichiro;Kanamori Akira;Iijima Makoto;Goda Kenichi;Haruyama Yasuo;Irisawa Atsushi, Digestion, 103(6), 404-410, 13 Jul. 2022

The Risk of Bleeding in Small/Straight Esophageal Varices with Red Color Sign on Endoscopy: A Retrospective Analysis from the Natural Course., Nagashima Kazunori;Irisawa Atsushi;Kashima Ken;Sakuma Fumi;Minaguchi Takahito;Yamamiya Akira;Yamabe Akane;Hoshi Koki;Tominaga Keiichi;Iijima Makoto;Goda Kenichi, Healthcare (Basel, Switzerland), 10(7), 26 Jun. 2022

Size reduction of gastric fundic gland polyposis by de-escalation of acid-suppressive therapy., Kanamori Akira;Tominaga Keiichi;Masuyama Hironori;Ishikawa Mutsumi;Masuyama Satoshi;Kondo Masayuki;Kanazawa Mimari;Tanaka Takanao;Yamaura Masamichi;Abe Keiichiro;Watanabe Shoko;Yamamiya Akira;Abe Yoko;Goda Kenichi;Irisawa Atsushi, DEN open, 3(1), e135, 05 Jun. 2022

A case of obstructive jaundice caused by metastasis of breast cancer to the intra/extrahepatic bile duct., Suzuki Yuka;Hoshi Koki;Tominaga Keiichi;Inaba Yasunori;Yoshinaga Tomonori;Kojimahara Shunsuke;Maki Ryuichi;Nemoto Rena;Tetsuka Yugo;Kawata Yosuke;Yamamiya Akira;Sugaya Takeshi;Iso Yukihiro;Takada-Owada Atsuko;Ishida Kazuyuki;Goda Kenichi;Irisawa Atsushi, DEN open, 3(1), e144, 20 Jun. 2022

Anatomic and hemodynamic findings during endoscopic ultrasound-guided angiography of gastric varices: a note of caution for endoscopic ultrasound-guided therapy., Romero-Castro Rafael;Jimenez-Garcia Victoria Alejandra;Irisawa Atsushi;Carmona-Soria Isabel;Caunedo-Alvarez Angel;Teoh Anthony Yuen Bun;Giovannini Marc, Endoscopy, 54(S 02), E966-E967, 29 Jul. 2022

Alpha-Fetoprotein-Producing Gastric Cancer With Delayed Diagnosis Caused by COVID-19: A Case Report., Masuyama Satoshi;Kanazawa Mimari;Tominaga Keiichi;Ishida Kazuyuki;Irisawa Atsushi, Cureus, 14(7), e27392, 28 Jul. 2022

Diagnosing chronic pancreatitis by endoscopic ultrasound assessing the association between ultrasound and pathological findings: A narrative review., Yamamiya Akira;Irisawa Atsushi;Abe Yoko;Arisaka Takahiro;Ohnishi Toshihiko;Hoshi Koki;Suzuki Tsunehiro;Nagashima Kazunori;Kashima Ken;Kunogi Yasuhito;Sakuma Fumi;Fukushi Koh;Ishikawa Manabu;Mizuguchi Nasuka;Yamaguchi Shintaro;Tominaga Keiichi;Goda Kenichi, DEN open, 3(1), e164, 15 Sep. 2022

Usefulness of Adding Maspin Staining to p53 Staining for EUS-FNA Specimens of Pancreatic Ductal Adenocarcinoma., Fukushi Koh;Yamamiya Akira;Tominaga Keiichi;Abe Yoko;Hoshi Koki;Nagashima Kazunori;Kashima Ken;Kunogi Yasuhito;Sakuma Fumi;Yamagishi Hidetsugu;Ishida Kazuyuki;Haruyama Yasuo;Irisawa Atsushi, Journal of clinical medicine, 11(20), 16 Oct. 2022

Advanced Endoscopy for Benign Esophageal Disease: A Review Focused on Non-Erosive Reflux Disease and Eosinophilic Esophagitis., Goda Kenichi;Abe Keiichiro;Kanamori Akira;Kondo Masayuki;Kojimahara Shunsuke;Kanazawa Mimari;Tanaka Takanao;Nagashima Kazunori;Suzuki Tsunehiro;Yamamiya Akira;Hoshi Koki;Tominaga Keiichi;Majima Yuichi;Iijima Makoto;Irisawa Atsushi, Healthcare (Basel, Switzerland), 10(11), 31 Oct. 2022

Neuroendocrine tumor of the ampulla of Vater treated with endoscopic papillectomy: A case report., Hamada Koichi;Irisawa Atsushi;Horikawa Yoshinori;Shiwa Yoshiki;Techigawara Kae;Ishikawa Masafumi;Nagahashi Takayuki;Fukushima Daizo;Nishino Noriyuki;Sakuma Hideo;Honda Michitaka, DEN open, 3(1), e191, 27 Nov. 2022

A new method to identify the afferent limb in balloon enteroscopy-assisted ERCP: Retention of gel mixed with contrast medium under fluoroscopy., Fukushi Koh;Hoshi Koki;Abe Yoko;Yamamiya Akira;Nagashima Kazunori;Irisawa Atsushi, Endoscopy, 55(S 01), E290-E291, 02 Dec. 2022

Natural History of Small Gastric Subepithelial Lesions Less than 20 mm: A Multicenter Retrospective Observational Study (NUTSHELL20 Study)., Abe Keiichiro;Tominaga Keiichi;Yamamiya Akira;Inaba Yasunori;Kanamori Akira;Kondo Masayuki;Suzuki Tsunehiro;Watanabe Hidetaka;Kawano Masaki;Sato Takashi;Yoshitake Naoto;Ohwada Tsuneo;Konno Maki;Hanatsuka Kazunobu;Masuyama Hironori;Goda Kenichi;Haruyama Yasuo;Irisawa Atsushi; , Digestion, 104(3), 174-186, 05 Dec. 2022

Salvage Endoscopic Submucosal Dissection for Local Recurrence of Superficial Esophageal Squamous Cell Cancer after Photodynamic Therapy., Kanamori Akira;Goda Kenichi;Nakamura Tetsuya;Yamagishi Hidetsugu;Ohwada Atsuko;Abe Keiichiro;Suzuki Tsunehiro;Kondo Masayuki;Tanaka Takanao;Yamamiya Akira;Takimoto Yoichi;Hoshi Koki;Arisaka Takahiro;Sugaya Takeshi;Tominaga Keiichi;Majima Yuichi;Iijima Makoto;Irisawa Atsushi, Internal medicine (Tokyo, Japan), 61(14), 2149-2153, 28 Dec. 2021

Duodenum: Endoscopic diagnosis of superficial non-ampullary duodenal epithelial tumors., Goda Kenichi, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 34 Suppl 2, 68-72, 11 Jan. 2022

Effects of pemafibrate on primary biliary cholangitis with dyslipidemia., Yamaguchi Mayumi;Asano Takeharu;Arisaka Takahiro;Mashima Hirosato;Irisawa Atsushi;Tamano Masaya, Hepatology research : the official journal of the Japan Society of Hepatology, 52(6), 522-531, 05 Feb. 2022

Clinical Differences in c-Myc Expression in Early-Stage Gastric Neoplasia: A Retrospective Study Based on the WHO Classification., Arakawa Noriyuki;Irisawa Atsushi;Ishida Kazuyuki;Tsunoda Takuya;Yamaguchi Yoshiko;Shibukawa Goro;Eizuka Makoto;Tokioka Shunzo;Wakabayashi Hiroto, Journal of clinical medicine, 11(3), 21 Jan. 2022

A Case of Stevens-Johnson Syndrome Complicated with Multimatrix System Mesalamine in Ulcerative Colitis., Kanazawa Mimari;Tominaga Keiichi;Kanamori Akira;Tanaka Takanao;Masuyama Satoshi;Watanabe Shoko;Abe Keiichiro;Yamamiya Akira;Goda Kenichi;Irisawa Atsushi, Medicina (Kaunas, Lithuania), 58(2), 11 Feb. 2022

Curative resection with endoscopic submucosal dissection of early gastric cancer in Helicobacter pylori-negative Ménétrier's disease: A case report., Fukushi Koh;Goda Kenichi;Kino Hitoshi;Kondo Masayuki;Kanazawa Mimari;Kashima Ken;Kanamori Akira;Abe Keiichiro;Suzuki Tsunehiro;Tominaga Keiichi;Yamagishi Hidetsugu;Irisawa Atsushi, World journal of gastroenterology, 28(5), 594-601, 07 Feb. 2022

The impact of endoscopic sphincterotomy incision size on common bile duct stone recurrence: A propensity score matching analysis., Takimoto Yoichi;Irisawa Atsushi;Hoshi Koki;Yamamiya Akira;Nagashima Kazunori;Minaguchi Takahito;Yamabe Akane;Izawa Naoya;Haruyama Yasuo;Tominaga Keiichi, Journal of hepato-biliary-pancreatic sciences, 29(12), 1274-1282, 07 Dec. 2021

Hereditary Diffuse Gastric Cancer Treated by Prophylactic Total Gastrectomy., Inaba Yasunori;Goda Kenichi;Kondo Masayuki;Abe Keiichiro;Kanamori Akira;Suzuki Tsunehiro;Tominaga Keiichi;Nakagawa Masatoshi;Morita Shinji;Kojima Kazuyuki;Ishida Kazuyuki;Irisawa Atsushi, Internal medicine (Tokyo, Japan), 63(2), 235-239, 24 May 2023

Treatment of endoscopic ultrasound-guided coil deployment for isolated gastric varices using 0.035-inch hydrocoil: Experience of three cases., Nagashima Kazunori;Kashima Ken;Kunogi Yasuhito;Sakuma Fumi;Fukushi Koh;Yamamiya Akira;Abe Yoko;Tominaga Keiichi;Iijima Makoto;Goda Kenichi;Romero-Castro Rafael;Irisawa Atsushi, DEN open, 4(1), e252, 15 Jun. 2023

Endoscopic ultrasound-guided portal pressure gradient measurement: improving safety and overcoming technical difficulties., Romero-Castro Rafael;Carmona-Soria Isabel;Jiménez-García Victoria Alejandra;Fernández-Álvarez Paula;Caunedo-Álvarez Ángel;Giovannini Marc;Irisawa Atsushi, Endoscopy, 55(S 01), E878-E880, 13 Jul. 2023

A case of malignant ascites of neuroendocrine carcinoma of the gallbladder diagnosed by endoscopic ultrasound-guided fine-needle aspiration., Ishikawa Mihoko;Ishida Kazuyuki;Machida Hiromi;Kato Hikaru;Ishizaki Satomi;Nagai Tamiko;Matsuyama Kinichi;Nozawa Yumi;Takada-Owada Atsuko;Kaneko Yuko;Sakuma Fumi;Irisawa Atsushi, Diagnostic cytopathology, 51(10), 658-661, 28 Jul. 2023

Investigating COVID-19 Pandemic Effects on Acute Pancreatitis Development-From the Perspective of Alcohol Sales (Consumption) in a Japanese Regional Hospital., Sakuma Fumi;Yamamiya Akira;Abe Yoko;Nagashima Kazunori;Minaguchi Takahito;Kashima Ken;Kunogi Yasuhito;Fukushi Koh;Inaba Yasunori;Sugaya Takeshi;Tominaga Keiichi;Goda Kenichi;Irisawa Atsushi, Healthcare (Basel, Switzerland), 11(20), 19 Oct. 2023

Postprocedure serum amylase or lipase levels predict postendoscopic retrograde cholangiopancreatography pancreatitis: Meta-analysis of diagnostic test accuracy studies and utility assessment., Hirota Morihisa;Itoi Takao;Morizane Toshio;Koiwai Akinobu;Yasuda Ichiro;Ryozawa Shomei;Mukai Shuntaro;Ikeura Tsukasa;Irisawa Atsushi;Iwasaki Eisuke;Katanuma Akio;Kitamura Katsuya;Takenaka Mamoru;Ito Tetsuhide;Masamune Atsushi;Mayumi Toshihiko;Takeyama Yoshifumi, Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society, 03 Nov. 2023

Delayed Perforation after Endoscopic Detachable Snare Ligation for Colonic Diverticular Hemorrhage., Nagahashi Takayuki;Hamada Koichi;Horikawa Yoshinori;Shiwa Yoshiki;Techigawara Kae;Fukushima Daizo;Nishino Noriyuki;Todate Yukitoshi;Irisawa Atsushi, Internal medicine (Tokyo, Japan), 62(21), 3137-3142, 22 Mar. 2023

A case in which the tip of a plastic stent placed to prevent recurrence of walled-off necrosis penetrated the bile duct and formed a stent-stone complex., Sakuma Fumi;Irisawa Atsushi;Noguchi Satoaki;Abe Yoko;Hoshi Koki;Yamamiya Akira;Nagashima Kazunori;Kashima Ken;Kunogi Yasuhito;Fukushi Koh;Inaba Kohei;Oike Ken;Furuki Saori;Tominaga Keiichi;Goda Kenichi, DEN open, 3(1), e220, 28 Mar. 2023

Usefulness of cytological diagnosis in pancreatic endoscopic ultrasound-guided fine needle aspiration or biopsy: Comparison with histological diagnosis and relationship with puncture route and sample acquisition method., Nagai Tamiko;Ishida Kazuyuki;Machida Hiromi;Takada-Owada Atsuko;Onozaki Masato;Noda Shuhei;Nozawa Yumi;Takaoka Mina;Sakuma Fumi;Aoki Taku;Irisawa Atsushi, Diagnostic cytopathology, 51(8), 467-474, 20 Apr. 2023

Guide Wire Selection (Straight vs. Angled) in Endoscopic Retrograde Cholangiopancreatography Using a Normal Contrast Catheter Performed by a Trainee: A Single-Center Prospective Randomized Controlled Cross-Over Study., Maki Takumi;Irisawa Atsushi;Yamamiya Akira;Tominaga Keiichi;Abe Yoko;Imbe Koh;Hoshi Koki;Yamabe Akane;Igarashi Ryo;Nakajima Yuki;Sato Kentaro;Shibukawa Goro, Journal of clinical medicine, 12(8), 17 Apr. 2023

Proposal and Validation of New Diagnostic Criteria for Diagnostic Weights of Endoultrasonographic Findings for Early Chronic Pancreatitis., Kashima Ken;Yamamiya Akira;Abe Yoko;Nagashima Kazunori;Minaguchi Takahito;Kunogi Yasuhito;Sakuma Fumi;Fukushi Koh;Inaba Yasunori;Sugaya Takeshi;Tominaga Keiichi;Goda Kenichi;Irisawa Atsushi, Journal of clinical medicine, 12(16), 16 Aug. 2023

N2 Lymph Node Metastasis Is a Useful Predictor of Recurrence in Patients With Stage III Rectal Cancer Undergoing Adjuvant Chemotherapy Using Tegafur-uracil/leucovorin., Miyashita Shotaro;Shimizu Takayuki;Ishizuka Mitsuru;Niki Maiko;Nishi Yusuke;Shibuya Norisuke;Hachiya Hiroyuki;Matsumoto Takatsugu;Sakuraoka Yuhki;Shiraki Takayuki;Mori Shozo;Iso Yukihiro;Irisawa Atsushi;Aoki Taku, Anticancer research, 43(5), 2219-2225, May 2023

Influence of the no-touch isolation technique on oncologic outcomes for patients with colon cancer undergoing curative surgery: A systematic review and meta-analysis., Ishizuka Mitsuru;Shibuya Norisuke;Hachiya Hiroyuki;Nishi Yusuke;Fujita Junki;Ihara Keisuke;Nakamura Takatoshi;Irisawa Atsushi, Surgical oncology, 50, 101972, 12 Jul. 2023

ERCP using balloon-assisted endoscopes versus EUS-guided treatment for common bile duct stones in Roux-en-Y gastrectomy., Sato Tatsuya;Nakai Yousuke;Kogure Hirofumi;Mitsuyama Toshiyuki;Shimatani Masaaki;Uemura Shinya;Iwashita Takuji;Tanisaka Yuki;Ryozawa Shomei;Tsuchiya Takayoshi;Itoi Takao;Kin Toshifumi;Katanuma Akio;Kashima Ken;Irisawa Atsushi;Kayashima Atsuto;Iwasaki Eisuke;Yoshida Akihiro;Takenaka Mamoru;Himei Hitomi;Kato Hironari;Masuda Atsuhiro;Shiomi Hideyuki;Kawakubo Kazumichi;Kuwatani Masaki;Otsuka Takeshi;Matsubara Saburo;Nishioka Nobu;Ogura Takeshi;Tamura Takaaki;Kitano Masayuki;Hayashi Nobuhiko;Yasuda Ichiro;Fujishiro Mitsuhiro, Gastrointestinal endoscopy, 99(2), 193-203.e5, 13 Sep. 2023

Contrast enhanced EUS using microbabble for early chronic pancreatitis., 科学研究費助成事業(福島県立医科大学, 福島県立医科大学), Atsushi IRISAWA, 01 Apr. 2009 - 31 Mar. 2013

Basic study of antibacterial biliary stent with silver containing and MPC polymer coating, 科学研究費助成事業(獨協医科大学, 獨協医科大学, 獨協医科大学, 獨協医科大学, 獨協医科大学, 獨協医科大学), 01 Apr. 2022 - 31 Mar. 2025