Kawahara, Yoshiro - OU Author List - OKAYAMA UNIVERSITY SCIENTIFIC ACHIEVEMENT REPOSITORY

Two Cases of Esophageal Mucosal Damage Observed after Peroral Endoscopic Myotomy for Esophageal Motility Disorders

FullText URL	fulltext.pdf
Author	Hirata, Shoichiro\| Kamio, Tomohiro\| Satomi, Takuya\| Hamada, Kenta\| Sakae, Hiroyuki\| Iwamuro, Masaya\| Kawano, Seiji\| Kawahara, Yoshiro\| Manabe, Noriaki\| Otsuka, Motoyuki\|
Keywords	esophagogastroduodenoscopy hypercontractile esophagus jackhammer esophagus peroral endoscopic myotomy
Published Date	2025-10-15
Publication Title	Internal Medicine
Volume	volume64
Issue	issue20
Publisher	Japanese Society of Internal Medicine
Start Page	2979
End Page	2984
ISSN	0918-2918
NCID	AA10827774
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2025 by The Japanese Society of Internal Medicine
File Version	publisher
PubMed ID	40189292
DOI	10.2169/internalmedicine.4943-24
Web of Science KeyUT	001461462400001
Related Url	isVersionOf https://doi.org/10.2169/internalmedicine.4943-24

Prognostic Impact of Gastrointestinal Immune-Related Adverse Events Depends on Nutritional Status in Cancer Patients Treated with Immune Checkpoint Inhibitors

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Author	Hirata, Shoichiro\| Kono, Yoshiyasu\| Tanaka, Emi\| Sue, Masahiko\| Takeuchi, Yasuto\| Yoshikawa, Tomoki\| Maki, Yoshie\| Kamio, Tomohiro\| Kametaka, Daisuke\| Matsueda, Katsunori\| Sakaguchi, Chihiro\| Hamada, Kenta\| Iwamuro, Masaya\| Kawano, Seiji\| Kawahara, Yoshiro\| Otsuka, Motoyuki\|
Keywords	gastrointestinal immune-related adverse events immune checkpoint inhibitors prognostic nutrition index
Published Date	2025-08-12
Publication Title	Cancers
Volume	volume17
Issue	issue16
Publisher	MDPI AG
Start Page	2634
ISSN	2072-6694
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2025 by the authors.
File Version	publisher
PubMed ID	40867263
DOI	10.3390/cancers17162634
Web of Science KeyUT	001559601300001
Related Url	isVersionOf https://doi.org/10.3390/cancers17162634

Vendor‐Agnostic Vision Transformer‐Based Artificial Intelligence for Peroral Cholangioscopy: Diagnostic Performance in Biliary Strictures Compared With Convolutional Neural Networks and Endoscopists

FullText URL	fulltext.pdf suppl1.docx suppl2.pdf
Author	Sato, Ryosuke\| Matsumoto, Kazuyuki\| Tomiya, Masahiro\| Tanimoto, Takayoshi\| Ohto, Akimitsu\| Oki, Kentaro\| Kajitani, Satoshi\| Kikuchi, Tatsuya\| Matsumi, Akihiro\| Miyamoto, Kazuya\| Fujii, Yuki\| Uchida, Daisuke\| Tsutsumi, Koichiro\| Horiguchi, Shigeru\| Kawahara, Yoshiro\| Otsuka, Motoyuki\|
Keywords	artificial intelligence bile duct neoplasms cholangioscopy computer-assisted diagnosis vision transformer
Published Date	2025-09-03
Publication Title	Digestive Endoscopy
Publisher	Wiley
ISSN	0915-5635
NCID	AA10907137
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2025 The Author(s).
File Version	publisher
PubMed ID	40903880
DOI	10.1111/den.70028
Related Url	isVersionOf https://doi.org/10.1111/den.70028

Long‐term outcomes of endoscopic resection of superficial esophageal squamous cell carcinoma in late‐elderly patients

FullText URL	fulltext.pdf suppl.docx
Author	Matsueda, Katsunori\| Kawano, Seiji\| Fukui, Keisuke\| Hirata, Shoichiro\| Satomi, Takuya\| Inoo, Shoko\| Hamada, Kenta\| Kono, Yoshiyasu\| Iwamuro, Masaya\| Kawahara, Yoshiro\| Otsuka, Motoyuki\|
Keywords	endoscopic resection esophageal cancer late-elderly patient long-term outcome
Published Date	2024-10-14
Publication Title	Journal of Gastroenterology and Hepatology
Volume	volume39
Issue	issue12
Publisher	Wiley
Start Page	2664
End Page	2671
ISSN	0815-9319
NCID	AA10727383
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2024 The Author(s).
File Version	publisher
PubMed ID	39402867
DOI	10.1111/jgh.16764
Web of Science KeyUT	001336647500001
Related Url	isVersionOf https://doi.org/10.1111/jgh.16764

Gastric Mucosa-associated Lymphoid Tissue Lymphoma That Relapsed after 11 Years Subsequent to Achieving Complete Remission

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Author	Inoo, Shoko\| Iwamuro, Masaya\| Tanaka, Takehiro\| Kawahara, Yoshiro\| Ootuka, Motoyuki\|
Keywords	gastric MALT lymphoma H. pylori relapse
Published Date	2024-06-15
Publication Title	Internal Medicine
Volume	volume63
Issue	issue12
Publisher	Japanese Society of Internal Medicine
Start Page	1697
End Page	1702
ISSN	0918-2918
NCID	AA10827774
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2024 by The Japanese Society of Internal Medicine
File Version	publisher
PubMed ID	37926540
DOI	10.2169/internalmedicine.2642-23
CRID	1390582008203472512
Web of Science KeyUT	001274076200004
Related Url	isVersionOf https://doi.org/10.2169/internalmedicine.2642-23

Idiopathic Gastric Antral Ulcers

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Author	Iwamuro, Masaya\| Tanaka, Takehiro\| Kawano, Seiji\| Kawahara, Yoshiro\| Otsuka, Motoyuki\|
Keywords	esophagogastroduodenoscopy gastric ulcer diopathic ulcer Helicobacter pylori
Published Date	2025-05-15
Publication Title	Internal Medicine
Volume	volume63
Issue	issue10
Publisher	Japanese Society of Internal Medicine
Start Page	1367
End Page	1371
ISSN	0918-2918
NCID	AA10827774
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2024 by The Japanese Society of Internal Medicine
File Version	publisher
PubMed ID	37813610
DOI	10.2169/internalmedicine.2554-23
CRID	1390581766246831744
Web of Science KeyUT	001227083700001
Related Url	isVersionOf https://doi.org/10.2169/internalmedicine.2554-23

Characteristics of Early Gastric Cancer in a Patient with a History of Helicobacter pylori Infection and No History of Eradication Therapy

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Author	Kuraoka, Sakiko\| Kawano, Seiji\| Ino, Shoko\| Satomi, Takuya\| Hamada, Kenta\| Kono, Yoshiyasu\| Iwamuro, Masaya\| Kawahara, Yoshiro\| Tanaka, Takehiro\| Okada, Hiroyuki\| Otsuka, Motoyuki\|
Keywords	autoimmune gastritis eradication gastric cancer Helicobacter pylori
Published Date	2025-02-01
Publication Title	Internal Medicine
Volume	volume64
Issue	issue3
Publisher	Japanese Society of Internal Medicine
Start Page	343
End Page	350
ISSN	0918-2918
NCID	AA10827774
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	Ⓒ 2025 The Japanese Society of Internal Medicine
File Version	publisher
PubMed ID	38960692
DOI	10.2169/internalmedicine.3617-24
Web of Science KeyUT	001470394600003
Related Url	isVersionOf https://doi.org/10.2169/internalmedicine.3617-24

Frequency and Characteristics of Gastrointestinal Diseases in Patients With Neurofibromatosis

FullText URL	fulltext.pdf
Author	Honda, Manami\| Iwamuro, Masaya\| Tanaka, Takehiro\| Yamasaki, Yasushi\| Kawano, Seiji\| Hiraoka, Sakiko\| Kawahara, Yoshiro\| Otsuka, Motoyuki\|
Keywords	colonoscopy esophagogastroduodenoscopy gastrointestinal neoplasms gastrointestinal stromal tumor neurofibromatosis
Published Date	2025-04-16
Publication Title	JGH Open
Volume	volume9
Issue	issue4
Publisher	Wiley
Start Page	e70151
ISSN	2397-9070
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2025 The Author(s).
File Version	publisher
PubMed ID	40247846
DOI	10.1002/jgh3.70151
Web of Science KeyUT	001468535400001
Related Url	isVersionOf https://doi.org/10.1002/jgh3.70151

Endoscopic and Histological Gastritis in University Students with Helicobacter pylori Infection

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Author	Okanoue, Shotaro\| Sakae, Hiroyuki\| Yokota, Kenji\| Tanaka, Takehiro\| Obayashi, Yuka\| Abe, Makoto\| Kono, Yoshiyasu\| Kanzaki, Hiromitsu\| Iwamuro, Masaya\| Kawano, Seiji\| Kawahara, Yoshiro\| Yanai, Hiroyuki\| Okada, Hiroyuki\|
Keywords	atrophic gastritis gastric cancer Helicobacter pylori young adults eradication
Published Date	2024-11-01
Publication Title	Internal Medicine
Volume	volume63
Issue	issue21
Publisher	Japanese Society of Internal Medicine
Start Page	2875
End Page	2884
ISSN	0918-2918
NCID	AA10827774
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	Ⓒ 2024 The Japanese Society of Internal Medicine
File Version	publisher
PubMed ID	38432971
DOI	10.2169/internalmedicine.1851-23
Web of Science KeyUT	001361033600001
Related Url	isVersionOf https://doi.org/10.2169/internalmedicine.1851-23

Differences in color between early gastric cancer and cancer-suspected non-cancerous mucosa on linked color imaging

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Author	Kanzaki, Hiromitsu\| Kawahara, Yoshiro\| Satomi, Takuya\| Okanoue, Shotaro\| Hamada, Kenta\| Kono, Yoshiyasu\| Iwamuro, Masaya\| Kawano, Seiji\| Okada, Hiroyuki\|
Published Date	2022-11-29
Publication Title	Endoscopy International Open
Volume	volume11
Issue	issue01
Publisher	Georg Thieme Verlag KG
Start Page	E90
End Page	E96
ISSN	2364-3722
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2022. The Author(s).
File Version	publisher
PubMed ID	36686031
DOI	10.1055/a-1989-6643
Web of Science KeyUT	000920677700005
Related Url	isVersionOf https://doi.org/10.1055/a-1989-6643

Degree of pharyngeal deformation caused by pharyngeal endoscopic submucosal dissection is associated with the incidence of aspiration pneumonia

FullText URL	fulltext.pdf
Author	Abe, Makoto\| Kawahara, Yoshiro\| Obayashi, Yuka\| Baba, Yuki\| Hamada, Kenta\| Sakae, Hiroyuki\| Kono, Yoshiyasu\| Kanzaki, Hiromitu\| Iwamuro, Masaya\| Kawano, Seiji\| Makino, Takuma\| Noda, Yohei\| Marunaka, Hidenori\| Okada, Hiroyuki\|
Published Date	2023-02-13
Publication Title	Endoscopy International Open
Volume	volume11
Issue	issue04
Publisher	Georg Thieme Verlag KG
Start Page	E351
End Page	E357
ISSN	2364-3722
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2023. The Author(s).
File Version	publisher
PubMed ID	37077660
DOI	10.1055/a-2033-9707
Web of Science KeyUT	000974137100003
Related Url	isVersionOf https://doi.org/10.1055/a-2033-9707

Analysis of painful situations during unsedated esophagogastroduodenoscopy

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Author	Kanzaki, Hiromitsu\| Kuraoka, Sakiko\| Satomi, Takuya\| Okanoue, Shotaro\| Hamada, Kenta\| Kono, Yoshiyasu\| Iwamuro, Masaya\| Kawano, Seiji\| Kawahara, Yoshiro\| Okada, Hiroyuki\| Otsuka, Motoyuki\|
Keywords	Endoscopy Upper GI Tract Quality and logistical aspects Training Quality management Performance and complications
Published Date	2024-11
Publication Title	Endoscopy International Open
Volume	volume12
Issue	issue11
Publisher	Thieme Gruppe
Start Page	E1267
End Page	E1276
ISSN	2364-3722
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2024. The Author(s).
File Version	publisher
PubMed ID	39524195
DOI	10.1055/a-2401-6804
Web of Science KeyUT	001350803100005
Related Url	isVersionOf https://doi.org/10.1055/a-2401-6804

Clinical Significance of Prior Ramucirumab Use on the Effectiveness of Nivolumab as the Third-Line Regimen in Gastric Cancer: A Multicenter Retrospective Study

FullText URL	fulltext.pdf correction.pdf
Author	Obayashi, Yuka\| Hirata, Shoichiro\| Kono, Yoshiyasu\| Abe, Makoto\| Miyahara, Koji\| Nakagawa, Masahiro\| Ishida, Michihiro\| Choda, Yasuhiro\| Hamada, Kenta\| Iwamuro, Masaya\| Kawano, Seiji\| Kawahara, Yoshiro\| Otsuka, Motoyuki\|
Note	The version of record of this article, first published in Drugs - Real World Outcomes, is available online at Publisher’s website: http://dx.doi.org/10.1007/s40801-024-00460-z\|
Published Date	2024-10-19
Publication Title	Drugs - Real World Outcomes
Volume	volume11
Issue	issue4
Publisher	Springer Nature
Start Page	557
End Page	564
ISSN	2199-1154
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© The Author(s) 2024
File Version	publisher
PubMed ID	39425893
DOI	10.1007/s40801-024-00460-z
Web of Science KeyUT	001337505400001
Related Url	isVersionOf https://doi.org/10.1007/s40801-024-00460-z

Rates and risk factors of bleeding after gastric endoscopic submucosal dissection with continuous warfarin or 1‐day withdrawal of direct oral anticoagulants

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Author	Hirata, Shoichiro\| Hamada, Kenta\| Iwamuro, Masaya\| Mouri, Hirokazu\| Miyahara, Koji\| Tsuzuki, Takao\| Yamauchi, Kenji\| Kobayashi, Sayo\| Takahashi, Sakuma\| Takenaka, Ryuta\| Hori, Shinichiro\| Inoue, Masafumi\| Toyokawa, Tatsuya\| Nishimura, Mamoru\| Ishiyama, Shuhei\| Miyaike, Jiro\| Kato, Ryo\| Matsubara, Minoru\| Yunoki, Naoko\| Kanzaki, Hiromitsu\| Kawahara, Yoshiro\| Okada, Hiroyuki\| Ishikawa, Hideki\| Otsuka, Motoyuki\| Okayama Gut Study Group\|
Keywords	direct oral anticoagulants endoscopic submucosal dissection gastric cancer postprocedural bleeding warfarin
Published Date	2024-10-03
Publication Title	Journal of Gastroenterology and Hepatology
Volume	volume39
Issue	issue12
Publisher	Wiley
Start Page	2760
End Page	2766
ISSN	0815-9319
NCID	AA10727383
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2024 The Author(s).
File Version	publisher
PubMed ID	39363400
DOI	10.1111/jgh.16757
Web of Science KeyUT	001328472100001
Related Url	isVersionOf https://doi.org/10.1111/jgh.16757

Effectiveness of data-augmentation on deep learning in evaluating rapid on-site cytopathology at endoscopic ultrasound-guided fine needle aspiration

FullText URL	fulltext.pdf
Author	Fujii, Yuki\| Uchida, Daisuke\| Sato, Ryosuke\| Obata, Taisuke\| Akihiro, Matsumi\| Miyamoto, Kazuya\| Morimoto, Kosaku\| Terasawa, Hiroyuki\| Yamazaki, Tatsuhiro\| Matsumoto, Kazuyuki\| Horiguchi, Shigeru\| Tsutsumi, Koichiro\| Kato, Hironari\| Inoue, Hirofumi\| Cho, Ten\| Tanimoto, Takayoshi\| Ohto, Akimitsu\| Kawahara, Yoshiro\| Otsuka, Motoyuki\|
Note	The version of record of this article, first published in Scientific Reports, is available online at Publisher’s website: http://dx.doi.org/10.1038/s41598-024-72312-3\|
Published Date	2024-09-28
Publication Title	Scientific Reports
Volume	volume14
Issue	issue1
Publisher	Nature Portfolio
Start Page	22441
ISSN	2045-2322
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© The Author(s) 2024
File Version	publisher
PubMed ID	39341885
DOI	10.1038/s41598-024-72312-3
Web of Science KeyUT	001325241700059
Related Url	isVersionOf https://doi.org/10.1038/s41598-024-72312-3

Virtual indigo carmine chromoendoscopy images: A novel modality for peroral cholangioscopy using artificial intelligence technology (with video)

FullText URL	fulltext20241125-02.pdf fig1_20241125-02.pdf fig2_20241125-02.pdf fig3_20241125-02.pdf fig4_20241125-02.pdf fig5_20241125-02.pdf fig6_20241125-02.pdf suppl20241125-02.pdf
Author	Sato, Ryosuke\| Matsumoto, Kazuyuki\| Kinugasa, Hideaki\| Tomiya, Masahiro\| Tanimoto, Takayoshi\| Ohto, Akimitsu\| Harada, Kei\| Hattori, Nao\| Obata, Taisuke\| Matsumi, Akihiro\| Miyamoto, Kazuya\| Morimoto, Kosaku\| Terasawa, Hiroyuki\| Fujii, Yuki\| Uchida, Daisuke\| Tsutsumi, Koichiro\| Horiguchi, Shigeru\| Kato, Hironari\| Kawahara, Yoshiro\| Otsuka, Motoyuki\|
Note	© 2024 by the American Society for Gastrointestinal Endoscopy. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/\| This fulltext file will be available in Nov. 2025.\|
Published Date	2024-06-13
Publication Title	Gastrointestinal Endoscopy
Volume	volume100
Issue	issue5
Publisher	Elsevier
Start Page	938
End Page	946.e1
ISSN	0016-5107
NCID	AA00653961
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2024 by the American Society for Gastrointestinal Endoscopy
File Version	author
PubMed ID	38879044
DOI	10.1016/j.gie.2024.06.013
Web of Science KeyUT	001355734600001
Related Url	isVersionOf https://doi.org/10.1016/j.gie.2024.06.013

Clinical significance of gastrointestinal bleeding history in patients who undergo left atrial appendage closure

FullText URL	fulltext.pdf
Author	Kikuchi, Tatsuya\| Kono, Yoshiyasu\| Nakagawa, Koji\| Okada, Hiroyuki\| Miyamoto, Masakazu\| Takaya, Yoichi\| Hirata, Shoichiro\| Inoo, Shoko\| Kuraoka, Sakiko\| Okanoue, Shotaro\| Matsueda, Katsunori\| Satomi, Takuya\| Hamada, Kenta\| Iwamuro, Masaya\| Kawano, Seiji\| Kawahara, Yoshiro\|
Keywords	antithrombotic drugs gastrointestinal bleeding left atrial appendage closure
Published Date	2023-12-27
Publication Title	JGH Open
Volume	volume8
Issue	issue1
Publisher	Wiley
Start Page	e13009
ISSN	2397-9070
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2023 The Authors.
File Version	publisher
DOI	10.1002/jgh3.13009
Web of Science KeyUT	001131741800001
Related Url	isVersionOf https://doi.org/10.1002/jgh3.13009

Review of oral and pharyngolaryngeal benign lesions detected during esophagogastroduodenoscopy

FullText URL	fulltext20230911-01.pdf
Author	Iwamuro, Masaya\| Hamada, Kenta\| Kawano, Seiji\| Kawahara, Yoshiro\| Otsuka, Motoyuki\|
Keywords	Benign diseases Diagnosis Esophagogastroduodenoscopy Non-neoplastic lesions Oral lesions Pharyngolaryngeal lesions
Published Date	2023-07-16
Publication Title	World Journal of Gastrointestinal Endoscopy
Volume	volume15
Issue	issue7
Publisher	Baishideng Publishing Group Inc.
Start Page	496
End Page	509
ISSN	1948-5190
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	©The Author(s) 2023.
File Version	publisher
PubMed ID	37547241
DOI	10.4253/wjge.v15.i7.496
Web of Science KeyUT	001046453000002
Related Url	isVersionOf https://doi.org/10.4253/wjge.v15.i7.496

Prospective multicenter study of the efficacy and safety of cold forceps polypectomy for ≤ 6-mm non-ampullary duodenal low-grade adenomas

FullText URL	fulltext.pdf
Author	Kanzaki, Hiromitsu\| Horii, Joichiro\| Takenaka, Ryuta\| Nakagawa, Hiroyuki\| Matsueda, Kazuhiro\| Tsuzuki, Takao\| Kita, Masahide\| Yamasaki, Yasushi\| Tanaka, Takehiro\| Iwamuro, Masaya\| Kawano, Seiji\| Kawahara, Yoshiro\| Tomoda, Jun\| Okada, Hiroyuki\|
Published Date	2022-06-10
Publication Title	Endoscopy International Open
Volume	volume10
Issue	issue06
Publisher	Georg Thieme Verlag KG
Start Page	E712
End Page	E718
ISSN	2364-3722
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2022. The Author(s).
File Version	publisher
PubMed ID	35859656
DOI	10.1055/a-1793-9439
Web of Science KeyUT	000826506700001
Related Url	isVersionOf https://doi.org/10.1055/a-1793-9439

Postoperative Bleeding Risk after Gastric Endoscopic Submucosal Dissection in Patients Receiving a P2Y12 Receptor Antagonist

FullText URL	fulltext.pdf
Author	Hirai, Ryosuke\| Kawano, Seiji\| Inoo, Shoko\| Kuraoka, Sakiko\| Okanoue, Shotaro\| Satomi, Takuya\| Hamada, Kenta\| Kono, Yoshiyasu\| Kanzaki, Hiromitsu\| Iwamuro, Masaya\| Kawahara, Yoshiro\| Okada, Hiroyuki\|
Keywords	Fibrinolytic agents Endoscopic submucosal resection Postoperative hemorrhage Purinergic P2Y receptor antagonists
Published Date	2022-09-29
Publication Title	Gut and Liver
Volume	volume17
Issue	issue3
Publisher	The Editorial Office of Gut and Liver
Start Page	404
End Page	411
ISSN	1976-2283
NCID	AA12329814
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© Gut and Liver.
File Version	publisher
PubMed ID	36172713
DOI	10.5009/gnl220196
Web of Science KeyUT	000869939200001
Related Url	isVersionOf https://doi.org/10.5009/gnl220196