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O. Watanabe · SciRah

Researcher profile · Semantic Scholar

O. Watanabe

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O. Watanabe — researcher profile on SciRah

h-index: 29
Works: 232
Citations: 2,623

Most-cited papers

Identification of Meflin as a Potential Marker for Mesenchymal Stromal Cells
K. Maeda, Atsushi Enomoto, Akitoshi Hara, N. Asai +16 more
2016Scientific Reports90 citations Open access
Semantic Scholar
Prospective multicenter study on the usefulness of EUS-guided FNA biopsy for the diagnosis of autoimmune pancreatitis.
Tomomasa Morishima, H. Kawashima, E. Ohno, T. Yamamura +10 more
2016Gastrointestinal Endoscopy85 citations
Semantic Scholar
Quantitative diagnosis of chronic pancreatitis using EUS elastography
Takamichi Kuwahara, Y. Hirooka, H. Kawashima, E. Ohno +17 more
2017Journal of gastroenterology55 citations
Semantic Scholar
Clinical usefulness of novel tag‐less Agile patency capsule prior to capsule endoscopy for patients with suspected small bowel stenosis
M. Nakamura, Y. Hirooka, T. Yamamura, R. Miyahara +4 more
2015Digestive Endoscopy54 citations Open access
Semantic Scholar
Characteristic endoscopic findings and risk factors for cytomegalovirus-associated colitis in patients with active ulcerative colitis.
Y. Hirayama, T. Ando, Y. Hirooka, O. Watanabe +4 more
2016World Journal of Gastrointestinal Endoscopy51 citations Open access
Semantic Scholar
Usefulness of shear wave elastography as a quantitative diagnosis of chronic pancreatitis
Takamichi Kuwahara, Y. Hirooka, H. Kawashima, E. Ohno +10 more
2018Journal of Gastroenterology and Hepatology49 citations
Semantic Scholar
Quantitative evaluation of pancreatic tumor fibrosis using shear wave elastography.
Takamichi Kuwahara, Y. Hirooka, H. Kawashima, E. Ohno +16 more
2016Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.]49 citations
Semantic Scholar
Endoscopic ultrasound in diagnosis of solid pancreatic lesions: Elastography or contrast-enhanced harmonic alone versus the combination
T. Chantarojanasiri, Y. Hirooka, H. Kawashima, E. Ohno +11 more
2017Endoscopy International Open37 citations Open access
Semantic Scholar
Comparison of the diagnostic ability of blue laser imaging magnification versus pit pattern analysis for colorectal polyps
A. Nakano, Y. Hirooka, T. Yamamura, O. Watanabe +6 more
2017Endoscopy International Open32 citations Open access
Semantic Scholar
Multiphase evaluation of contrast-enhanced endoscopic ultrasonography in the diagnosis of pancreatic solid lesions.
T. Ishikawa, Y. Hirooka, H. Kawashima, E. Ohno +7 more
2018Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.]27 citations
Semantic Scholar
In vivo histological diagnosis for gastric cancer using endocytoscopy
Issei Tsurudome, R. Miyahara, K. Funasaka, K. Furukawa +11 more
2017World Journal of Gastroenterology27 citations Open access
Semantic Scholar
Endoscopic Characteristics, Risk Grade, and Prognostic Prediction in Gastrointestinal Stromal Tumors of the Small Bowel
A. Nakano, M. Nakamura, O. Watanabe, T. Yamamura +6 more
2017Digestion22 citations
Semantic Scholar
Age-related changes in pancreatic elasticity: When should we be concerned about their effect on strain elastography?
T. Chantarojanasiri, Y. Hirooka, H. Kawashima, E. Ohno +11 more
2016Ultrasonics22 citations
Semantic Scholar
The prognostic factors and trajectory of HRQOL in patients with pancreatic cancer who received psychiatric intervention
H. Sugimoto, H. Kawashima, E. Ohno, Daijuro Hayashi +17 more
2016Journal of Gastroenterology and Hepatology21 citations Open access
Semantic Scholar
Azathioprine is essential following cyclosporine for patients with steroid-refractory ulcerative colitis.
N. Miyake, T. Ando, K. Ishiguro, O. Maeda +11 more
2015World Journal of Gastroenterology18 citations Open access
Semantic Scholar
Dexmedetomidine provides less body motion and respiratory depression during sedation in double-balloon enteroscopy than midazolam
H. Oshima, M. Nakamura, O. Watanabe, T. Yamamura +6 more
2017SAGE Open Medicine17 citations Open access
Semantic Scholar
MINIMALLY INVASIVE EXTRACTION OF A FOREIGN BODY FROM THE SMALL INTESTINE USING DOUBLE-BALLOON ENDOSCOPY
M. Nakamura, Y. Hirooka, O. Watanabe, T. Yamamura +6 more
2015Nagoya journal of medical science17 citations
Semantic Scholar
Suppressive action of acetate on interleukin‐8 production via tubulin‐α acetylation
K. Ishiguro, T. Ando, O. Maeda, O. Watanabe +1 more
2014Immunology and Cell Biology15 citations
Semantic Scholar
Clinical factors related to false-positive rates of patency capsule examination
T. Sawada, M. Nakamura, O. Watanabe, T. Yamamura +8 more
2017Therapeutic Advances in Gastroenterology14 citations Open access
Semantic Scholar
Inhibition of KDM4A activity as a strategy to suppress interleukin-6 production and attenuate colitis induction.
K. Ishiguro, O. Watanabe, M. Nakamura, T. Yamamura +3 more
2017Clinical Immunology13 citations
Semantic Scholar
Nomogram-based prediction of rebleeding in small bowel bleeding patients: the ‘PRSBB’ score
Genta Uchida, Y. Hirooka, M. Nakamura, O. Watanabe +10 more
2018Scientific Reports12 citations Open access
Semantic Scholar
Clinical utility of a new endoscopic scoring system for Crohn's disease.
K. Morise, T. Ando, O. Watanabe, M. Nakamura +5 more
2015World Journal of Gastroenterology12 citations Open access
Semantic Scholar
Increase in breath hydrogen concentration was correlated with the main pancreatic duct stenosis
Daisuke Sakai, Y. Hirooka, H. Kawashima, E. Ohno +20 more
2018Journal of Breath Research11 citations Open access
Semantic Scholar
Clinical significance of gastrointestinal patency evaluation by using patency capsule in Crohn’s disease
T. Yoshimura, Y. Hirooka, M. Nakamura, O. Watanabe +9 more
2018Nagoya journal of medical science11 citations
Semantic Scholar
Prospective study of factors important to achieve observation of the entire colon on colon capsule endoscopy
Junichi Sato, M. Nakamura, O. Watanabe, T. Yamamura +6 more
2016Therapeutic Advances in Gastroenterology9 citations Open access
Semantic Scholar
Effectiveness of Endoscopic Ultrasonography during Double Balloon Enteroscopy for characterization and management of small bowel submucosal tumours.
Alberto Murino, M. Nakamura, O. Watanabe, T. Yamamura +5 more
2016Digestive and Liver Disease9 citations
Semantic Scholar
S100G expression and function in fibroblasts on colitis induction.
K. Ishiguro, O. Watanabe, M. Nakamura, T. Yamamura +3 more
2016International Immunopharmacology9 citations Open access
Semantic Scholar
Endoscopic ultrasound in the diagnosis of acinar cell carcinoma of the pancreas: contrast-enhanced endoscopic ultrasound, endoscopic ultrasound elastography, and pathological correlation
T. Chantarojanasiri, Y. Hirooka, H. Kawashima, E. Ohno +10 more
2016Endoscopy International Open9 citations Open access
Semantic Scholar
Effectiveness of a modified 6-Fr endoscopic nasobiliary drainage catheter for patients with preoperative perihilar cholangiocarcinoma
H. Kawashima, Y. Hirooka, E. Ohno, T. Ishikawa +8 more
2018Endoscopy International Open8 citations Open access
Semantic Scholar
The Propagation Display Method Improves the Reproducibility of Pancreatic Shear Wave Elastography.
Kiyotaka Hashizume, Y. Hirooka, H. Kawashima, E. Ohno +17 more
2019Ultrasound in Medicine and Biology7 citations Open access
Semantic Scholar
Fecal calprotectin reflects endoscopic activity in patients with small-bowel Crohn’s disease according to double-balloon endoscopy findings
Rinzaburo Matsuura, O. Watanabe, M. Nakamura, T. Yamamura +10 more
2018Nagoya journal of medical science7 citations
Semantic Scholar
Combinational use of lipid-based reagents for efficient transfection of primary fibroblasts and hepatoblasts.
K. Ishiguro, O. Watanabe, M. Nakamura, T. Yamamura +3 more
2017BioTechniques7 citations Open access
Semantic Scholar
The utility of ultrathin endoscopy with flexible spectral imaging color enhancement for early gastric cancer
Takafumi Yokoyama, R. Miyahara, K. Funasaka, K. Furukawa +8 more
2019Nagoya journal of medical science6 citations
Semantic Scholar
Endoscopic Closure of Duodenal Perforation with the Over-the-scope-clipping System
K. Furukawa, R. Miyahara, K. Funasaka, T. Yamamura +6 more
2016Internal medicine6 citations Open access
Semantic Scholar
SUITABILITY OF SURVEILLANCE COLONOSCOPY FOR PATIENTS WITH ULCERATIVE COLITIS TO DETECT COLORECTAL CANCER: CURRENT GUIDELINES MISS SOME EARLY-STAGE CASES
T. Kamiya, T. Ando, O. Watanabe, M. Nakamura +4 more
2015Nagoya journal of medical science6 citations
Semantic Scholar
Quantitative diagnosis of chronic pancreatitis using EUS-elastography
Takamichi Kuwahara, Y. Hirooka, H. Kawashima, E. Ohno +13 more
20165 citations
Semantic Scholar
A Retrospective Evaluation of the Utility of Capsule Endoscopy and Double-Balloon Endoscopy in Crohn's Disease
M. Nakamura, Y. Hirooka, O. Watanabe, T. Yamamura +5 more
2015Gastroenterology Research and Practice5 citations Open access
Semantic Scholar
Pyogenic granuloma of the small bowel treated by double-balloon enteroscopy.
Yasuyuki Mizutani, Y. Hirooka, O. Watanabe, M. Nakamura +3 more
2015Gastrointestinal Endoscopy5 citations
Semantic Scholar
Submucosal tumor in the small bowel resected by EMR at double-balloon endoscopy.
M. Nakamura, Y. Hirooka, O. Watanabe, T. Yamamura +3 more
2015Gastrointestinal Endoscopy4 citations
Semantic Scholar
Functional Correlation Between the Pancreas and the Small Intestine in Humans: The First Evaluation Using a Newly Developed Enteroscopy
Daijuro Hayashi, Y. Hirooka, H. Kawashima, E. Ohno +12 more
2018Pancreas3 citations
Semantic Scholar
Specific characteristics of hemorrhagic Meckel’s diverticulum at double-balloon endoscopy
Yasuyuki Mizutani, M. Nakamura, O. Watanabe, T. Yamamura +7 more
2017Endoscopy International Open3 citations Open access
Semantic Scholar
Mo1293 USEFULNESS OF HISTOLOGICAL ASSESSMENT WITH EUS-GUIDED FINE NEEDLE BIOPSY USING A NEW CORE NEEDLE IN PANCREATIC DISEASES
T. Ishikawa, Y. Hirooka, H. Kawashima, E. Ohno +17 more
2018Gastrointestinal Endoscopy2 citations Open access
Semantic Scholar
Development and validation of a new scoring system to determine the necessity of small-bowel endoscopy in obscure gastrointestinal bleeding.
Genta Uchida, M. Nakamura, O. Watanabe, T. Yamamura +8 more
2017Digestive and Liver Disease2 citations Open access
Semantic Scholar
Endoscopic ultrasound-guided forceps biopsy from upper gastrointestinal subepithelial lesions using a forward-viewing echoendoscope
Ippei Matsuzaki, R. Miyahara, Y. Hirooka, K. Funasaka +9 more
2016Endoscopy International Open2 citations Open access
Semantic Scholar
Challenging EMR for the definite diagnosis of submucosal tumor in the small bowel by using double-balloon endoscopy.
A. Nakano, Y. Hirooka, O. Watanabe, M. Nakamura +3 more
2015Gastrointestinal Endoscopy2 citations
Semantic Scholar
A case of gastric carcinosarcoma with distant metastasis for which chemotherapy with S-1 plus cisplatin was transiently effective
O. Maeda, T. Ando, K. Ishiguro, O. Watanabe +5 more
2014International Cancer Conference Journal2 citations
Semantic Scholar
Su1703 The Study of Diagnostic Ability for the Colorectal Neoplasms by Imaged Enhanced Endoscopy Using by JNET (Japan NBI Expert Team) Classification
T. Yamamura, O. Watanabe, M. Nakamura, M. Matsushita +21 more
20171 citations
Semantic Scholar
Su1616 One Year Follow-Up After Cold Polypectomy Compared With Hot Polypectomy for Small Colorectal Polyps - a Prospective Randomized Controlled Trial
Masashi Saito, T. Yamamura, O. Watanabe, M. Nakamura +21 more
20171 citations
Semantic Scholar
Su1991 Novel Technology for the Quantitative Evaluation of Tissue Elasticity Using a Newly Developed EUS System
Y. Hirooka, H. Kawashima, E. Ohno, Daijuro Hayashi +12 more
20161 citations
Semantic Scholar
Evaluation of the mRNA and Protein Expressions of Nutritional Biomarkers in the Gastrointestinal Mucosa of Patients with Small Intestinal Disorders.
M. Nakamura, Y. Hirooka, O. Watanabe, T. Yamamura +6 more
2016Internal medicine1 citations Open access
Semantic Scholar

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