Angiosarcoma Involving Solid Organs and the Gastrointestinal Tract with Life-Threatening Bleeding

by Chiaki Maeyashiki, Naoyoshi Nagata, Naomi Uemura
Published 2012-12-01

High-Dose Barium Impaction Therapy Is Useful for the Initial Hemostasis and for Preventing the Recurrence of Colonic Diverticular Bleeding Unresponsive to Endoscopic Clipping

by Ryota Niikura, Naoyoshi Nagata, Kazuyoshi Yamano, Takuro Shimbo, Naomi Uemura
Published 2013-01-01

External validation of the NOBLADS score, a risk scoring system for severe acute lower gastrointestinal bleeding.

by Tomonori Aoki, Atsuo Yamada, Naoyoshi Nagata, Ryota Niikura, Yoshihiro Hirata, Kazuhiko Koike
Published 2018-01-01

Risk of Reflux-Related Symptoms and Reflux Esophagitis after <i>Helicobacter pylori</i> Eradication Treatment in the Japanese Population

by Mitsushige Sugimoto, Masaki Murata, Eri Iwata, Naoyoshi Nagata, Takao Itoi, Takashi Kawai
Published 2021-04-01

Endoscopic Reflux Esophagitis and Reflux-Related Symptoms after <i>Helicobacter pylori</i> Eradication Therapy: Meta-Analysis

by Mitsushige Sugimoto, Masaki Murata, Hitomi Mizuno, Eri Iwata, Naoyoshi Nagata, Takao Itoi, Takashi Kawai
Published 2020-09-01

Traditional but not HIV-related factors are associated with nonalcoholic fatty liver disease in Asian patients with HIV-1 infection.

by Takeshi Nishijima, Hiroyuki Gatanaga, Takuro Shimbo, Hirokazu Komatsu, Yuichi Nozaki, Naoyoshi Nagata, Yoshimi Kikuchi, Mikio Yanase, Shinichi Oka
Published 2014-01-01

Factors associated with esophageal candidiasis and its endoscopic severity in the era of antiretroviral therapy.

by So Nishimura, Naoyoshi Nagata, Takuro Shimbo, Naoki Asayama, Junichi Akiyama, Norio Ohmagari, Hirohisa Yazaki, Shinichi Oka, Naomi Uemura
Published 2013-01-01

Risk Factors for Intestinal Invasive Amebiasis in Japan, 2003–2009

by Naoyoshi Nagata, Takuro Shimbo, Junichi Akiyama, Ryo Nakashima, So Nishimura, Tomoyuki Yada, Koji Watanabe, Shinichi Oka, Naomi Uemura
Published 2012-05-01

Impact of INR monitoring, reversal agent use, heparin bridging, and anticoagulant interruption on rebleeding and thromboembolism in acute gastrointestinal bleeding.

by Naoyoshi Nagata, Toshiyuki Sakurai, Shiori Moriyasu, Takuro Shimbo, Hidetaka Okubo, Kazuhiro Watanabe, Chizu Yokoi, Mikio Yanase, Junichi Akiyama, Naomi Uemura
Published 2017-01-01

PCR detection of human herpesviruses in colonic mucosa of individuals with inflammatory bowel disease: Comparison with individuals with immunocompetency and HIV infection.

by Takayuki Shimada, Naoyoshi Nagata, Koki Okahara, Akane Joya, Tsunefusa Hayashida, Shinichi Oka, Toshiyuki Sakurai, Junichi Akiyama, Naomi Uemura, Hiroyuki Gatanaga
Published 2017-01-01

Colonic cytomegalovirus detection by mucosal PCR and antiviral therapy in ulcerative colitis.

by Koki Okahara, Naoyoshi Nagata, Takayuki Shimada, Akane Joya, Tsunefusa Hayashida, Hiroyuki Gatanaga, Shinichi Oka, Toshiyuki Sakurai, Naomi Uemura, Junichi Akiyama
Published 2017-01-01

Predictive clinical factors in the diagnosis of gastrointestinal Kaposi's sarcoma and its endoscopic severity.

by Naoyoshi Nagata, Takuro Shimbo, Hirohisa Yazaki, Naoki Asayama, Junichi Akiyama, Katsuji Teruya, Toru Igari, Norio Ohmagari, Shinichi Oka, Naomi Uemura
Published 2012-01-01

Alcohol and smoking affect risk of uncomplicated colonic diverticulosis in Japan.

by Naoyoshi Nagata, Ryota Niikura, Takuro Shimbo, Yoshihiro Kishida, Katsunori Sekine, Shohei Tanaka, Tomonori Aoki, Kazuhiro Watanabe, Junichi Akiyama, Mikio Yanase, Toshiyuki Itoh, Masashi Mizokami, Naomi Uemura
Published 2013-01-01

Increased risk of non-AIDS-defining cancers in Asian HIV-infected patients: a long-term cohort study

by Naoyoshi Nagata, Takeshi Nishijima, Ryota Niikura, Tetsuji Yokoyama, Yumi Matsushita, Koji Watanabe, Katsuji Teruya, Yoshimi Kikuchi, Junichi Akiyama, Mikio Yanase, Naomi Uemura, Shinichi Oka, Hiroyuki Gatanaga
Published 2018-11-01

Next endoscopic approach for acute lower gastrointestinal bleeding without an identified source on colonoscopy: upper or capsule endoscopy?

by Tomonori Aoki, Naoyoshi Nagata, Atsuo Yamada, Takuro Shimbo, Yuuki Matsushita, Akira Shimomura, Sakurako Kobayashi, Shiori Moriyasu, Ryota Niikura, Toshiyuki Sakurai, Yoshihiro Hirata, Junichi Akiyama, Naomi Uemura, Kazuhiko Koike
Published 2019-02-01

Prevalence of Anal Human Papillomavirus Infection and Risk Factors among HIV-positive Patients in Tokyo, Japan.

by Naoyoshi Nagata, Kazuhiro Watanabe, Takeshi Nishijima, Kenichi Tadokoro, Koji Watanabe, Takuro Shimbo, Ryota Niikura, Katsunori Sekine, Junichi Akiyama, Katsuji Teruya, Hiroyuki Gatanaga, Yoshimi Kikuchi, Naomi Uemura, Shinichi Oka
Published 2015-01-01

Acute Middle Gastrointestinal Bleeding Risk Associated with NSAIDs, Antithrombotic Drugs, and PPIs: A Multicenter Case-Control Study.

by Naoyoshi Nagata, Ryota Niikura, Atsuo Yamada, Toshiyuki Sakurai, Takuro Shimbo, Yuka Kobayashi, Makoto Okamoto, Yuzo Mitsuno, Keiji Ogura, Yoshihiro Hirata, Kazuma Fujimoto, Junichi Akiyama, Naomi Uemura, Kazuhiko Koike
Published 2016-01-01

Adverse Events during Bowel Preparation and Colonoscopy in Patients with Acute Lower Gastrointestinal Bleeding Compared with Elective Non-Gastrointestinal Bleeding.

by Ryota Niikura, Naoyoshi Nagata, Takuro Shimbo, Toshiyuki Sakurai, Tomonori Aoki, Shiori Moriyasu, Katsunori Sekine, Hidetaka Okubo, Kazuhiro Watanabe, Chizu Yokoi, Atsuo Yamada, Yoshihiro Hirata, Kazuhiko Koike, Junichi Akiyama, Naomi Uemura
Published 2015-01-01

Novel method for evaluating the indication for endoscopic papillectomy in patients with ampullary adenocarcinoma

by Kenjiro Yamamoto, Takao Itoi, Naoyoshi Nagata, Atsushi Sofuni, Takayoshi Tsuchiya, Kentaro Ishii, Reina Tanaka, Ryosuke Tonozuka, Mitsuyoshi Honjo, Shuntaro Mukai, Yasutsugu Asai, Yukitoshi Matsunami, Hiroshi Yamaguchi, Jun Matsubayashi, Eri Joyama, Yuichi Nagakawa
Published 2021-01-01

Effect of body mass index and intra-abdominal fat measured by computed tomography on the risk of bowel symptoms.

by Naoyoshi Nagata, Kayo Sakamoto, Tomohiro Arai, Ryota Niikura, Takuro Shimbo, Masafumi Shinozaki, Noriko Ihana, Katsunori Sekine, Hidetaka Okubo, Kazuhiro Watanabe, Toshiyuki Sakurai, Chizu Yokoi, Mikio Yanase, Junichi Akiyama, Naomi Uemura, Mitsuhiko Noda
Published 2015-01-01