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Author

Yohei Ogata

Observed name: Y., Ogata
ORCID: 0000-0002-5762-2156
Observed ORCID: 0000-0002-5762-2156
OpenAlex ID: A5046560902
Seven-day vonoprazan and low-dose amoxicillin dual therapy as first-line Helicobacter pylori treatment: a multicentre randomised trial in Japan
2020 · Sho Suzuki, Takuji Gotoda, et al. · Gut · 241
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Kyoto classification risk scoring system and endoscopic grading of gastric intestinal metaplasia for gastric cancer: Multicenter observation study in Japan
2021 · Masashi Kawamura, Noriya Uedo, et al. · Digestive Endoscopy · 74
A simple prediction score for in-hospital mortality in patients with nonvariceal upper gastrointestinal bleeding
2021 · Tamotsu Matsuhashi, Waku Hatta, et al. · Journal of Gastroenterology · 38
The Impact of Tobacco Smoking and Alcohol Consumption on the Development of Gastric Cancers
2024 · Waku Hatta, Tomoyuki Koike, et al. · International Journal of Molecular Sciences · 37
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Predictors of early and late mortality after the treatment for early gastric cancers
2021 · Yohei Ogata, Waku Hatta, et al. · Digestive Endoscopy · 33
Prevention of delayed bleeding with vonoprazan in upper gastrointestinal endoscopic treatment
2021 · Hiroko Abe, Waku Hatta, et al. · Journal of Gastroenterology · 32
Recent approach for preventing complications in upper gastrointestinal endoscopic submucosal dissection
2021 · Waku Hatta, Tomoyuki Koike, et al. · DEN Open · 31
Evolution of Stemless Reverse Shoulder Arthroplasty: Current Indications, Outcomes, and Future Prospects
2024 · Taku Hatta, Ryosuke Mashiko, et al. · Journal of Clinical Medicine · 18
Smoking history and severe atrophic gastritis assessed by pepsinogen are risk factors for the prevalence of synchronous gastric cancers in patients with gastric endoscopic submucosal dissection: a multicenter prospective cohort study
2023 · Waku Hatta, Tomoyuki Koike, et al. · Journal of Gastroenterology · 17
Predictors of Early and Late Mortality after Endoscopic Resection for Esophageal Squamous Cell Carcinoma
2021 · Yohei Ogata, Waku Hatta, et al. · The Tohoku Journal of Experimental Medicine · 17
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Endoscopic and histological risk stratification for gastric cancer using gastric intestinal metaplasia
2024 · Masashi Kawamura, Noriya Uedo, et al. · Journal of Gastroenterology and Hepatology · 15
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Comparison of Magnifying Endoscopy with Blue Light Imaging and Narrow Band Imaging for Determining the Invasion Depth of Superficial Esophageal Squamous Cell Carcinoma by the Japanese Esophageal Society’s Intrapapillary Capillary Loop Classification
2021 · Waku Hatta, Tomoyuki Koike, et al. · Diagnostics · 15
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Treatment strategy after noncurative endoscopic resection for early gastric cancers in patients aged ≥ 85 years: a multicenter retrospective study in a highly aged area of Japan
2023 · Waku Hatta, Yosuke Toya, et al. · Journal of Gastroenterology · 11
Prevalence and risk factors for lymph node metastasis in duodenal neuroendocrine tumors: a systematic review and meta-analysis
2025 · Yohei Ogata, Waku Hatta, et al. · Journal of Gastroenterology · 10
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Blue light imaging and linked color imaging as a screening mode for esophageal squamous cell carcinoma in high‐risk patients: Multicenter randomized trial
2023 · Yohei Ogata, Waku Hatta, et al. · Digestive Endoscopy · 9
Endoscopic Grading of Gastric Intestinal Metaplasia Using Magnifying and Nonmagnifying Narrow-Band Imaging Endoscopy
2022 · Masashi Kawamura, Tomoyuki Koike, et al. · Diagnostics · 8
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Optimal direct oral anticoagulant for upper gastrointestinal endoscopic submucosal dissection
2024 · Yoshitaka Ono, Waku Hatta, et al. · Journal of Gastroenterology · 7
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A New Preoperative Scoring System for Predicting Aggressiveness of Non-Functioning Pancreatic Neuroendocrine Neoplasms
2022 · Tetsuya Takikawa, Kazuhiro Kikuta, et al. · Diagnostics · 5
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Parietal Cell Dysfunction: A Rare Cause of Gastric Neuroendocrine Neoplasm with Achlorhydria and Extreme Hypergastrinemia
2022 · Yasuaki Abe, Waku Hatta, et al. · Internal Medicine · 5
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Epidemiology of dyspepsia and esophagogastroduodenoscopic findings in the era of Helicobacter pylori eradication
2025 · Suguo Suzuki, Takeshi Kanno, et al. · World Journal of Gastroenterology · 4
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Type 2 and type 3 gastric neuroendocrine tumors have high risk of lymph node metastasis: Systematic review and meta‐analysis
2025 · Yohei Ogata, Waku Hatta, et al. · Digestive Endoscopy · 4
Endoscopic muscularis dissection with over‐the‐scope clip: Novel resection technique for duodenal neuroendocrine tumors
2024 · Yohei Ogata, Waku Hatta, et al. · Digestive Endoscopy · 4
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Similar Effect of Vonoprazan and Oral Proton Pump Inhibitors for Preventing Rebleeding in Cases of Upper Gastrointestinal Bleeding
2023 · Hiroko Abe, Kunio Tarasawa, et al. · Internal Medicine · 4
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Associations between excessive supragastric belching and esophageal reflux factors in patients with PPI-refractory GERD in Japan
2025 · Yukihiro Shuto, Masahiro Saito, et al. · Journal of Gastroenterology · 3
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W-eCura score versus eCura system: comparison in the external cohort is required
2023 · Waku Hatta, Takuji Gotoda, et al. · Gut · 3
Works count: 67
Citation count: 667
H-index: 12
I10-index: 14
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