Zobrazeno 1 - 10
of 205
pro vyhledávání: '"HIROYA UEYAMA"'
Autor:
Tomoyo Iwano, Tsutomu Takeda, Shotaro Oki, Yasuko Uemura, Momoko Yamamoto, Ryota Uchida, Hisanori Utsunomiya, Daiki Abe, Nobuyuki Suzuki, Atsushi Ikeda, Yoichi Akazawa, Kumiko Ueda, Hiroya Ueyama, Mariko Hojo, Akihito Nagahara
Publikováno v:
Case Reports in Gastroenterology, Vol 18, Iss 1, Pp 386-394 (2024)
Introduction: In recent years, the frequency of idiopathic peptic ulcers (IPUs) has increased. However, the clinicopathological characteristics of IPU have not been fully elucidated and treatment methods for recurrent and refractory cases have not ye
Externí odkaz:
https://doaj.org/article/6cae3afd903c42f29e68af6b43a7b457
Autor:
Eiji Kamba, Takashi Murakami, Naoki Tsugawa, Kei Nomura, Keiichi Haga, Yoichi Akazawa, Hirofumi Fukushima, Hiroya Ueyama, Kenshi Matsumoto, Tomoyoshi Shibuya, Takeshi Terai, Takashi Yao, Akihito Nagahara
Publikováno v:
Endoscopy International Open, Vol 12, Iss 06, Pp E781-E787 (2024)
Real-time visualization of red blood cell flow inside subepithelial microvessels is performed with magnifying endoscopy. However, microvascular blood flow velocity in the colorectum has not been investigated. Here, we aimed to evaluate the blood flow
Externí odkaz:
https://doaj.org/article/f67c26cd3c6647e0bdd91f27d8d77006
Autor:
Masaaki Kobayashi, Junko Fujisaki, Ken Namikawa, Shu Hoteya, Akiko Sasaki, Kotaro Shibagaki, Kenshi Yao, Seiichiro Abe, Ichiro Oda, Hiroya Ueyama, Hajime Isomoto, Masanori Ito, Mitsushige Sugimoto, Takashi Kawai, Masaaki Kodama, Kazunari Murakami, Kyoichi Adachi, Nobuyuki Matsuhashi, Ken Ohata, Toshikazu Ushijima, Mototsugu Kato, Shin'ichi Miyamoto, Daisuke Yoshimura, Takashi Yao, Kazuyoshi Yagi, Moriya Iwaizumi, Naomi Uemura
Publikováno v:
DEN Open, Vol 4, Iss 1, Pp n/a-n/a (2024)
Abstract Objectives Gastric cancer can be diagnosed even in patients long after Helicobacter pylori eradication. Most cases involve intramucosal lesions; however, some are invasive and require surgery. To clarify appropriate long‐term surveillance
Externí odkaz:
https://doaj.org/article/730c3f48bbe844c5ad935deca6cac5d8
Autor:
Hiroya Ueyama, Toshiaki Hirasawa, Tomonori Yano, Hisashi Doyama, Hajime Isomoto, Kazuyoshi Yagi, Takashi7 Kawai, Kenshi Yao
Publikováno v:
DEN Open, Vol 4, Iss 1, Pp n/a-n/a (2024)
Abstract The Japan Gastroenterological Endoscopy Society (JGES) held four serial symposia between 2021 and 2022 on state‐of‐the‐art issues related to advanced diagnostic endoscopy of the upper gastrointestinal tract. This review summarizes the
Externí odkaz:
https://doaj.org/article/aea500bab1b94ba19efc309a2258caf2
Publikováno v:
Clinical Endoscopy, Vol 56, Iss 4, Pp 460-469 (2023)
Background/Aims Diagnosis of Helicobacter pylori-naïve gastric cancer (HPNGC) is becoming increasingly important. This study aimed to explore the quality indicators for HPNGC detection. Methods We conducted a cross-sectional, nationwide, web-based s
Externí odkaz:
https://doaj.org/article/356f7ae344304ce5ba6e36b4c31e9413
Autor:
Tsutomu Takeda, Daiki Abe, Daisuke Asaoka, Tomoyo Iwano, Momoko Yamamoto, Ryota Uchida, Hisanori Utsunomiya, Shotaro Oki, Nobuyuki Suzuki, Atsushi Ikeda, Yoichi Akazawa, Kumiko Ueda, Hiroya Ueyama, Mariko Hojo, Shuko Nojiri, Akihito Nagahara
Publikováno v:
Diagnostics, Vol 14, Iss 5, p 508 (2024)
Linked color imaging (LCI) for image-enhanced endoscopy (IEE) highlights mucosal color differences. We investigated risk factors associated with mucosal redness of the duodenal bulb using LCI. Consecutive patients were retrospectively selected after
Externí odkaz:
https://doaj.org/article/896ac4534d534663866081cebe04e498
Autor:
Yuya Yamashiro, Yuka Yanai, Tsutomu Takeda, Takuo Hayashi, Yoichi Akazawa, Noboru Yatagai, Hiroya Ueyama, Hidetaka Eguchi, Akihito Nagahara, Takashi Yao, Tsuyoshi Saito
Publikováno v:
JGH Open, Vol 6, Iss 8, Pp 531-538 (2022)
Abstract Background and Aim Juvenile polyposis (JP) is a rare disease known to be associated with mutations either in SMAD4/BMPR1A. JP is known to often develop into malignant tumors, with a reported probability of 9–50%. However, the mechanisms of
Externí odkaz:
https://doaj.org/article/ccabd013082e425a9556b3f86d7fffb7
Autor:
Eiji Kamba, Takashi Murakami, Hiroya Ueyama, Tomoyoshi Shibuya, Mariko Hojo, Ken Yamaji, Akihito Nagahara
Publikováno v:
Medicina, Vol 59, Iss 10, p 1888 (2023)
Anisakiasis is caused by consuming raw fish contaminated with Anisakis sp. larvae and is extremely rare, especially when originating in the esophagus. We present a case of esophageal anisakiasis in a 61-year-old male who experienced severe precordial
Externí odkaz:
https://doaj.org/article/35b0acd5252a40f183a1ae25d2ead331
Autor:
Mariko Hojo, Akihito Nagahara, Takahiro Kudo, Tsutomu Takeda, Tamaki Ikuse, Kohei Matsumoto, Kumiko Ueda, Hiroya Ueyama, Kenshi Matsumoto, Daisuke Asaoka, Toshiaki Shimizu
Publikováno v:
JGH Open, Vol 5, Iss 10, Pp 1197-1202 (2021)
Abstract Background and Aim We aimed to evaluate endoscopic findings of Helicobacter pylori (H. pylori)‐positive children and young adults based on the Kyoto classification, and to examine if there are age‐associated changes in H. pylori‐positi
Externí odkaz:
https://doaj.org/article/df6852e345f74c12bb226cd435db61b4
Autor:
Takashi Murakami, Eiji Kamba, Keiichi Haga, Yoichi Akazawa, Hiroya Ueyama, Tomoyoshi Shibuya, Mariko Hojo, Akihito Nagahara
Publikováno v:
Medicina, Vol 59, Iss 5, p 931 (2023)
Background and Objectives: A novel synthetic self-assembling peptide, PuraStat, has been introduced as a hemostatic agent. This case series aimed to evaluate the clinical efficacy of PuraStat for gastrointestinal bleeding during emergency endoscopy.
Externí odkaz:
https://doaj.org/article/469ab01ec97b4c35a2f5a127d5bdeff9