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Junnosuke Hayasaka

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Articles 60
Citations 137
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Recent Articles
1.
Narimatsu K, Ishii N, Yamada A, Aoki T, Kobayashi K, Yamauchi A, et al.
J Gastroenterol . 2024 Dec; 60(2):174-186. PMID: 39730771
Background: Despite accumulating evidence and recommendations for management of colonic diverticular bleeding (CDB), the changes in its clinical management and outcomes remain unknown. Methods: We performed a retrospective tendency analysis...
2.
Kinjo K, Aoki T, Kobayashi K, Yamauchi A, Yamada A, Omori J, et al.
Gastrointest Endosc . 2024 Nov; PMID: 39557205
Background And Aims: We sought to validate the British Society of Gastroenterology (BSG) guidelines for acute lower GI bleeding (ALGIB). Methods: We analyzed 8956 patients with ALGIB in the Colonic...
3.
Kikuchi D, Suzuki Y, Kawai Y, Nomura K, Ochiai Y, Hayasaka J, et al.
Endosc Int Open . 2024 Sep; 12(9):E1029-E1034. PMID: 39263559
Endoscopic submucosal dissection (ESD) is sometimes challenging because of stenosis and scarring. We examined the use of an ultrathin endoscope for esophageal ESD, which is difficult using conventional endoscopes. A...
4.
Suzuki Y, Kikuchi D, Nakamura S, Iizuka T, Ochiai Y, Hayasaka J, et al.
Dis Esophagus . 2024 Aug; 37(12). PMID: 39186312
Treatment of esophageal cancer in the remnant esophagus after esophagectomy is highly invasive, therefore, early detection and minimally invasive treatment are considered necessary. Consequently, we aimed to clarify the safety...
5.
Suzuki S, Tominaga N, Aoki T, Sadashima E, Miike T, Kawakami H, et al.
Sci Rep . 2024 Jun; 14(1):13983. PMID: 38886410
The relationship between blood group and rebleeding in acute lower gastrointestinal bleeding (ALGIB) remains unclear. This study aimed to investigate the association between blood group O and clinical outcomes in...
6.
Nomura K, Kikuchi D, Kawai Y, Ochiai Y, Okamura T, Suzuki Y, et al.
Dig Dis . 2024 Jun; 42(5):407-413. PMID: 38834042
Introduction: In the post-Helicobacter pylori era, autoimmune gastritis (AIG) is attracting increasing attention as an origin of gastric cancer. Here, we performed clinicopathological examination of gastric cancer complicating AIG treated...
7.
Hayasaka J, Miura Y, Yamashita S, Matsui A, Kikuchi D, Takazawa Y, et al.
Cureus . 2024 May; 16(4):e58976. PMID: 38800345
Introduction The usefulness of traction devices (TDs) in endoscopic submucosal dissection (ESD) for rectal neuroendocrine tumors (NETs) has not been reported. The aim of this study was to investigate the...
8.
Hirano K, Nomura K, Ochiai Y, Hayasaka J, Suzuki Y, Mitsunaga Y, et al.
Cureus . 2024 May; 16(4):e58678. PMID: 38770512
Introduction: Stomach metastasis is rare, and there are few reports on its endoscopic features. Herein, we focused on the endoscopic features and discussed and reviewed the clinicopathological characteristics of metastatic...
9.
Hayasaka J, Hoteya S, Suzuki Y, Ochiai Y, Mitsunaga Y, Odagiri H, et al.
Cureus . 2024 May; 16(4):e58467. PMID: 38765360
Introduction: Gastric neoplasm of the fundic gland type (GNFG) is a tumor with a good prognosis. However, since it has not been compared with conventional gastric adenocarcinoma (CGA), it is...
10.
Hayasaka J, Hoteya S, Takazawa Y, Kikuchi D, Araki A
J Gastroenterol Hepatol . 2024 Apr; 39(8):1580-1585. PMID: 38641971
Background And Aim: Since the first report of gastric adenocarcinoma of the fundic-gland type in 2010, the clinicopathological characteristics of gastric neoplasm of the fundic-gland type (GNFG) have become clearer;...