• 4597 Citations
  • 35 h-Index
1993 …2020
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Research Output 1993 2020

2020

Evaluation of Local Recurrence of Pancreatic Cancer by KRAS Mutation Analysis Using Washes from Endoscopic Ultrasound-Guided Fine-Needle Aspiration

Matsumoto, K., Kato, H., Nouso, K., Ako, S., Kinugasa, H., Horiguchi, S., Saragai, Y., Takada, S., Yabe, S., Muro, S., Uchida, D., Tomoda, T. & Okada, H., Jan 1 2020, (Accepted/In press) In : Digestive Diseases and Sciences.

Research output: Contribution to journalArticle

Endoscopic Ultrasound-Guided Fine Needle Aspiration
Pancreatic Neoplasms
Recurrence
Mutation
Needles

IgA vasculitis with massive hemorrhage from the jejunum after steroid administration

Yamauchi, N., Iwamuro, M., Kawano, S., Yamazaki, T., Baba, Y., Tsumura, T., Hara, Y., Kataoka, J., Toyokawa, T. & Okada, H., Jan 1 2020, In : Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology. 117, 1, p. 64-71 8 p.

Research output: Contribution to journalArticle

Jejunum
Vasculitis
Immunoglobulin A
Steroids
Hemorrhage
2019

Acute pancreatitis associated with massive bleeding due to a duodenal ulcer

Uchida, D., Kawai, Y., Katou, H. & Okada, H., Aug 5 2019, In : Clinical Journal of Gastroenterology. 12, 4, p. 301-306 6 p.

Research output: Contribution to journalArticle

Duodenal Ulcer
Pancreatitis
Hemorrhage
Endoscopic Hemostasis
Digestive System Endoscopy

Adefovir Dipivoxil-induced Fanconi's Syndrome and Osteomalacia Following Multiple Bone Fractures in a Patient with Chronic Hepatitis B

Makita, T., Kanzaki, H., Onishi, H., Ikeda, A., Takaki, A., Wada, N., Takeuchi, Y., Yasunaka, T., Ikeda, F., Shiraha, H., Tanaka, Y., Nishihara, S., Murakawa, K., Kitamura, Y., Okada, H. & Sendo, T., Jan 1 2019, In : Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan. 139, 4, p. 641-645 5 p.

Research output: Contribution to journalArticle

Open Access
Fanconi Syndrome
Osteomalacia
Bone Fractures
Chronic Hepatitis B
Tenofovir
Bile Ducts
Hyperplasia

A granulation polyp in the colon masquerading as metastatic cancer

Iwamuro, M., Takahara, M., Yamazaki, T., Tanaka, T., Kondo, Y., Hiraoka, S. & Okada, H., Jan 1 2019, In : Acta medica Okayama. 73, 5, p. 457-461 5 p.

Research output: Contribution to journalArticle

Chemotherapy
Granulation
Polyps
Pemetrexed
Brain

A Patient with Type 3 Autoimmune Polyglandular Syndrome who Developed Systemic Lupus Erythematosus 8 years after the Diagnosis of Autoimmune Hepatitis

Mifune-Morioka, T., Uchida, H. A., Fukushima, K., Watanabe, M., Ouchi, C., Mise, K., Kawakita, C., Kano, Y., Onishi, A., Toma, K., Eguchi, J., Wada, N., Ikeda, F., Sasaki, E., Suganami, Y., Kishida, M., Sugiyama, H., Okada, H. & Wada, J., Aug 1 2019, In : Acta medica Okayama. 73, 4, p. 367-372 6 p.

Research output: Contribution to journalArticle

Autoimmune Polyendocrinopathies
Autoimmune Hepatitis
Prednisolone
Systemic Lupus Erythematosus
Medical problems

A Phase I/Ib trial of Ad-REIC in liver cancer: Study protocol

Oyama, A., Shiraha, H., Uchida, D., Iwamuro, M., Kato, H., Takaki, A., Ikeda, F., Onishi, H., Yasunaka, T., Takeuchi, Y., Wada, N., Iwasaki, Y., Sakata, M., Okada, H. & Kumon, H., Jan 1 2019, In : Future Oncology. 15, 31, p. 3547-3554 8 p.

Research output: Contribution to journalArticle

Liver Neoplasms
Liver
Pancreatic Neoplasms
Hepatocellular Carcinoma
Neoplasm Metastasis

A randomised controlled trial of a case management approach to encourage participation in colorectal cancer screening for people with schizophrenia in psychiatric outpatient clinics: Study protocol for the J-SUPPORT 1901 (ACCESS) study

Fujiwara, M., Inagaki, M., Shimazu, T., Kodama, M., So, R., Matsushita, T., Yoshimura, Y., Horii, S., Fujimori, M., Takahashi, H., Nakaya, N., Kakeda, K., Miyaji, T., Hinotsu, S., Harada, K., Okada, H., Uchitomi, Y. & Yamada, N., Nov 1 2019, In : BMJ Open. 9, 11, e032955.

Research output: Contribution to journalArticle

Open Access
Case Management
Ambulatory Care Facilities
Early Detection of Cancer
Psychiatry
Colorectal Neoplasms

Association between macrocytosis and metachronous squamous cell carcinoma of the esophagus after endoscopic resection in men with early esophageal squamous cell carcinoma

Katada, C., Yokoyama, T., Yano, T., Oda, I., Shimizu, Y., Doyama, H., Koike, T., Takizawa, K., Hirao, M., Okada, H., Yoshii, T., Kubota, Y., Yamanouchi, T., Tsuda, T., Omori, T., Kobayashi, N., Suzuki, H., Tanabe, S., Hori, K., Nakayama, N. & 6 others, Kawakubo, H., Kakushima, N., Matsuo, Y., Ishikawa, H., Yokoyama, A. & Muto, M., Jan 1 2019, (Accepted/In press) In : Esophagus.

Research output: Contribution to journalArticle

Esophagus
Squamous Cell Carcinoma
Erythrocyte Indices
Esophageal Squamous Cell Carcinoma
Incidence
2 Citations (Scopus)

Association of host immunity with Helicobacter pylori infection in recurrent gastric cancer

Sato, M., Miura, K., Kageyama, C., Sakae, H., Obayashi, Y., Kawahara, Y., Matsushita, O., Yokota, K. & Okada, H., Feb 11 2019, In : Infectious Agents and Cancer. 14, 1, 4.

Research output: Contribution to journalArticle

Open Access
Helicobacter Infections
Helicobacter pylori
Stomach Neoplasms
Immunity
Single Nucleotide Polymorphism
1 Citation (Scopus)
Open Access
Endoscopic Ultrasound-Guided Fine Needle Aspiration
Cross-Over Studies
Prospective Studies
Light
Endosonography
1 Citation (Scopus)

Berberine improved experimental chronic colitis by regulating interferon-γ- and IL-17A-producing lamina propria CD4+ T cells through AMPK activation

Takahara, M., Takaki, A., Hiraoka, S., Adachi, T., Shimomura, Y., Matsushita, H., Nguyen, T. T. T., Koike, K., Ikeda, A., Takashima, S., Yamasaki, Y., Inokuchi, T., Kinugasa, H., Sugihara, Y., Harada, K., Eikawa, S., Morita, H., Udono, H. & Okada, H., Dec 1 2019, In : Scientific reports. 9, 1, 11934.

Research output: Contribution to journalArticle

Open Access
Berberine
AMP-Activated Protein Kinases
Interleukin-17
Colitis
Interferons
1 Citation (Scopus)

Biliary cannulation technique with ultraslim endoscope for a patient with Billroth II gastrectomy

Saragai, Y., Uchida, D., Katou, H., Tomoda, T., Matsumoto, K., Horiguchi, S. & Okada, H., Jan 1 2019, In : Endoscopy. 51, 2, p. E38-E39

Research output: Contribution to journalShort survey

Gastroenterostomy
Endoscopes
Gastrectomy
Catheterization

Blue laser imaging and linked color imaging improve the color difference value and visibility of colorectal polyps in underwater conditions

Yamasaki, Y., Harada, K., Yamamoto, S., Yasutomi, E., Okanoue, S., Hirai, M., Oka, S., Obayashi, Y., Sakae, H., Hamada, K., Inokuchi, T., Kinugasa, H., Sugihara, Y., Takahara, M., Tanaka, T., Hiraoka, S., Kawahara, Y. & Okada, H., Nov 23 2019, In : Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society.

Research output: Contribution to journalArticle

Open Access
Polyps
Lasers
Color
Adenomatous Polyps
Light
Pharyngeal Neoplasms
Dissection
Head and Neck Neoplasms
Survival Rate
Pyriform Sinus
3 Citations (Scopus)

Combination of Diclofenac and Sublingual Nitrates Is Superior to Diclofenac Alone in Preventing Pancreatitis After Endoscopic Retrograde Cholangiopancreatography

Tomoda, T., Katou, H., Ueki, T., Akimoto, Y., Hata, H., Fujii, M., Harada, R., Ogawa, T., Wato, M., Takatani, M., Matsubara, M., Kawai, Y. & Okada, H., May 1 2019, In : Gastroenterology. 156, 6, p. 1753-1760.e1

Research output: Contribution to journalArticle

Diclofenac
Endoscopic Retrograde Cholangiopancreatography
Pancreatitis
Nitrates
Anti-Inflammatory Agents
3 Citations (Scopus)
Dilatation
Pathologic Constriction
Endoscopic Retrograde Cholangiopancreatography
Recurrence
Therapeutics
1 Citation (Scopus)

Comparison of anticoagulants and risk factors for bleeding following endoscopic sphincterotomy among anticoagulant users: Results from a large multicenter retrospective study

Muro, S., Katou, H., Ishida, E., Ueki, T., Fujii, M., Harada, R., Seki, H., Hirao, K., Wato, M., Akimoto, Y., Takatani, M., Tsugeno, H., Miyaike, J., Toyokawa, T., Nishimura, M., Yunoki, N. & Okada, H., Jan 1 2019, (Accepted/In press) In : Journal of Gastroenterology and Hepatology (Australia).

Research output: Contribution to journalArticle

Endoscopic Sphincterotomy
Anticoagulants
Multicenter Studies
Retrospective Studies
Hemorrhage

Comparison of Two Electrosurgical Modes for Endoscopic Submucosal Dissection of Superficial Colorectal Neoplasms: A Prospective Randomized Study

Sugihara, Y., Harada, K., Oka, S., Yasutomi, E., Yamasaki, Y., Inokuchi, T., Kinugasa, H., Takahara, M., Hiraoka, S., Otsuka, F. & Okada, H., Feb 1 2019, In : Acta medica Okayama. 73, 1, p. 81-84 4 p.

Research output: Contribution to journalArticle

Dissection
Colorectal Neoplasms
Prospective Studies
Japan
Safety
1 Citation (Scopus)
Pancreatic Neoplasms
ROC Curve
Neoplasm Grading
Fine Needle Biopsy
Perfusion

Correction to: Risk of gastric cancer in the second decade of follow-up after Helicobacter pylori eradication (Journal of Gastroenterology, (2019), 10.1007/s00535-019-01639-w)

Take, S., Mizuno, M., Ishiki, K., Kusumoto, C., Imada, T., Hamada, F., Yoshida, T., Yokota, K., Mitsuhashi, T. & Okada, H., Jan 1 2019, (Accepted/In press) In : Journal of Gastroenterology.

Research output: Contribution to journalComment/debate

Open Access
Gastroenterology
Helicobacter pylori
Stomach Neoplasms
Publications
1 Citation (Scopus)
Open Access
Necrosis
1 Citation (Scopus)

Diagnostic ability of convex-arrayed endoscopic ultrasonography for major vascular invasion in pancreatic cancer

Fujii, Y., Matsumoto, K., Kato, H., Saragai, Y., Takada, S., Mizukawa, S., Muro, S., Uchida, D., Tomoda, T., Horiguchi, S., Tanaka, N. & Okada, H., Jan 1 2019, In : Clinical Endoscopy. 52, 5, p. 479-485 7 p.

Research output: Contribution to journalArticle

Open Access
Endosonography
Pancreatic Neoplasms
Blood Vessels
Veins
Neoplasms
3 Citations (Scopus)

Differentiation between duodenal neoplasms and non-neoplasms using magnifying narrow-band imaging – Do we still need biopsies for duodenal lesions?

Yamasaki, Y., Takeuchi, Y., Kanesaka, T., Kanzaki, H., Kato, M., Ohmori, M., Tonai, Y., Hamada, K., Matsuura, N., Iwatsubo, T., Akasaka, T., Hanaoka, N., Higashino, K., Uedo, N., Ishihara, R., Okada, H. & Iishi, H., Jan 1 2019, (Accepted/In press) In : Digestive Endoscopy.

Research output: Contribution to journalArticle

Duodenal Neoplasms
Narrow Band Imaging
Glandular and Epithelial Neoplasms
Biopsy
Duodenum
Endosonography
Neuroendocrine Tumors
Ethanol
Prospective Studies
Safety

Endocytoscopic images of malignant lymphoma located at the terminal ileum

Satomi, T., Yamasaki, Y., Harada, K. & Okada, H., Nov 9 2019, In : Annals of Gastroenterology. 32, 6, p. 655

Research output: Contribution to journalArticle

Endoscopic appearance of esophageal xanthoma

Hamada, K., Uedo, N., Kubo, C., Tomita, Y., Ishihara, R., Yamasaki, Y., Omori, M., Arao, M., Suzuki, S., Iwatsubo, T., Kato, M., Tonai, Y., Shichijo, S., Matsuura, N., Nakahira, H., Kanesaka, T., Yamamoto, S., Akasaka, T., Hanaoka, N., Takeuchi, Y. & 3 others, Higashino, K., Okada, H. & Iishi, H., Oct 2019, In : Endoscopy international open. 7, 10, p. E1214-E1220

Research output: Contribution to journalArticle

Xanthomatosis
Foam Cells
Endoscopy
Microvessels
Narrow Band Imaging

Endoscopic detection and differentiation of esophageal lesions using a deep neural network

Ohmori, M., Ishihara, R., Aoyama, K., Nakagawa, K., Iwagami, H., Matsuura, N., Shichijo, S., Yamamoto, K., Nagaike, K., Nakahara, M., Inoue, T., Aoi, K., Okada, H. & Tada, T., Jan 1 2019, (Accepted/In press) In : Gastrointestinal Endoscopy.

Research output: Contribution to journalArticle

Endoscopy
Artificial Intelligence
Lasers
Sensitivity and Specificity
Squamous Cell Carcinoma
Open Access
Abdominal Abscess
Gastrectomy
Drainage
Pancreatic Fistula
Gastroenterostomy

Eosinophilic Colitis Showing Multiple Submucosal Tumor-Like Protrusions

Matsueda, K., Harada, K. & Okada, H., May 1 2019, In : The American journal of gastroenterology. 114, 5, 1 p.

Research output: Contribution to journalArticle

Colitis
Neoplasms

Evaluation of the Usefulness and Convenience of the Kyoto Classification of Gastritis in the Endoscopic Diagnosis of the Helicobacter pylori Infection Status

Sakae, H., Iwamuro, M., Okamoto, Y., Obayashi, Y., Baba, Y., Hamada, K., Gotoda, T., Abe, M., Kono, Y., Kanzaki, H., Kawano, S., Kawahara, Y., Tanaka, T., Yanai, H. & Okada, H., Jan 1 2019, (Accepted/In press) In : Digestion.

Research output: Contribution to journalArticle

Helicobacter Infections
Gastritis
Helicobacter pylori
Digestive System Endoscopy
Medical Students
Open Access
Biopsy
B-Cell Lymphoma
Gastrointestinal Tract
Cells
Light
1 Citation (Scopus)

Frequent involvement of the duodenum with lanthanum deposition: A retrospective observational study

Iwamuro, M., Urata, H., Tanaka, T., Kawano, S., Kawahara, Y. & Okada, H., Jan 1 2019, In : Internal Medicine. 58, 16, p. 2283-2289 7 p.

Research output: Contribution to journalArticle

Open Access
Lanthanum
Duodenum
Observational Studies
Retrospective Studies
Digestive System Endoscopy
3 Citations (Scopus)

Increase in antibiotic resistant Helicobacter pylori in a University Hospital in Japan

Kageyama, C., Sato, M., Sakae, H., Obayashi, Y., Kawahara, Y., Mima, T., Matsushita, O., Yokota, K., Mizuno, M. & Okada, H., Jan 1 2019, In : Infection and Drug Resistance. 12, p. 597-602 6 p.

Research output: Contribution to journalArticle

Open Access
Amoxicillin
Helicobacter pylori
Clarithromycin
Microbial Sensitivity Tests
Japan

Long-Term Outcome in Patients with a Solitary Peutz-Jeghers Polyp

Iwamuro, M., Aoyama, Y., Suzuki, S., Kobayashi, S., Toyokawa, T., Moritou, Y., Hori, S., Matsueda, K., Yoshioka, M., Tanaka, T. & Okada, H., Jan 1 2019, In : Gastroenterology Research and Practice. 2019, 8159072.

Research output: Contribution to journalArticle

Open Access
Polyps
Peutz-Jeghers Syndrome
Gastrointestinal Tract
Digestive System Endoscopy
Neoplasms

Long-term outcomes of patients with Crohn's disease who received infliximab or adalimumab as the first-line biologics

Inokuchi, T., Takahashi, S., Hiraoka, S., Toyokawa, T., Takagi, S., Takemoto, K., Miyaike, J., Fujimoto, T., Higashi, R., Morito, Y., Nawa, T., Suzuki, S., Nishimura, M., Inoue, M., Kato, J. & Okada, H., Jan 1 2019, In : Journal of Gastroenterology and Hepatology (Australia).

Research output: Contribution to journalArticle

Biological Products
Crohn Disease
Treatment Failure
Multicenter Studies
Adalimumab
Gallbladder Neoplasms
Mucinous Adenocarcinoma
Carcinoma, Intraductal, Noninfiltrating
Pancreatic Ducts
Papillary Carcinoma

Myoepithelial Hamartoma in the Ampulla of Vater

Tomoda, T., Katou, H. & Okada, H., May 1 2019, In : Clinical Gastroenterology and Hepatology. 17, 6, p. e56-e57

Research output: Contribution to journalArticle

Ampulla of Vater
Hamartoma
1 Citation (Scopus)

Paradoxical roles of oxidative stress response in the digestive system before and after carcinogenesis

Takaki, A., Kawano, S., Uchida, D., Takahara, M., Hiraoka, S. & Okada, H., Feb 1 2019, In : Cancers. 11, 2, 213.

Research output: Contribution to journalReview article

Open Access
Digestive System
Carcinogenesis
Oxidative Stress
Neoplasms
Antioxidants

Peutz-Jeghers syndrome and cancer:a retrospective study in 14 Japanese patients with Peutz-Jeghers syndrome

Iwamuro, M., Toyokawa, T., Moritou, Y., Matsueda, K., Hori, S., Yoshioka, M., Tanaka, T., Kawano, S. & Okada, H., Jan 1 2019, In : Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology. 116, 12, p. 1015-1021 7 p.

Research output: Contribution to journalArticle

Peutz-Jeghers Syndrome
Retrospective Studies
Neoplasms
Breast Neoplasms
Uterine Cervical Neoplasms

Pharyngeal xanthoma detected during EGD screening

Hamada, K., Tanaka, T., Kawahara, Y. & Okada, H., Jan 1 2019, In : Gastrointestinal Endoscopy.

Research output: Contribution to journalArticle

Xanthomatosis
Endoscopes
Endoscopic Retrograde Cholangiopancreatography
Pancreaticoduodenectomy
Anatomy
Stomach
1 Citation (Scopus)

Predictive factors for inaccurate diagnosis of swollen lymph nodes in endoscopic ultrasound-guided fine needle aspiration

Fujii, Y., Kanno, Y., Koshita, S., Ogawa, T., Kusunose, H., Masu, K., Sakai, T., Yonamine, K., Kawakami, Y., Murabayashi, T., Kozakai, F., Noda, Y., Okada, H. & Ito, K., Jan 1 2019, In : Clinical Endoscopy. 52, 2, p. 152-158 7 p.

Research output: Contribution to journalArticle

Open Access
Endoscopic Ultrasound-Guided Fine Needle Aspiration
Lymph Nodes
POEMS Syndrome
Sensitivity and Specificity
Amyloidosis

Predictive Factors for Successful Vaccination Against Hepatitis B Surface Antigen in Patients Who Have Undergone Orthotopic Liver Transplantation

Ikeda, A., Takaki, A., Yasunaka, T., Oyama, A., Adachi, T., Wada, N., Ohnishi, H., Ikeda, F., Shiraha, H., Yoshida, K., Kuise, T., Nobuoka, D., Yoshida, R., Umeda, Y., Yagi, T., Fujiwara, T. & Okada, H., Feb 1 2019, In : Acta medica Okayama. 73, 1, p. 41-50 10 p.

Research output: Contribution to journalArticle

Hepatitis B Surface Antigens
End Stage Liver Disease
Liver
Liver Transplantation
Vaccination
1 Citation (Scopus)

Risk of gastric cancer in the second decade of follow-up after Helicobacter pylori eradication

Take, S., Mizuno, M., Ishiki, K., Kusumoto, C., Imada, T., Hamada, F., Yoshida, T., Yokota, K., Mitsuhashi, T. & Okada, H., Jan 1 2019, (Accepted/In press) In : Journal of Gastroenterology.

Research output: Contribution to journalArticle

Helicobacter pylori
Stomach Neoplasms
Atrophy
Stomach
Incidence

Severe bleeding due to cytomegalovirus esophagitis in a patient with diabetes after interbody fusion surgery

Yamamoto, S., Iwamuro, M., Miyake, M., Nishimura, N., Mizuno, M. & Okada, H., Jan 1 2019, In : Internal Medicine. 58, 20, p. 2949-2955 7 p.

Research output: Contribution to journalArticle

Open Access
Esophagitis
Cytomegalovirus
Ulcer
clopidogrel
Celecoxib

Single-session esophagogastroduodenoscopy and endoscopic ultrasound using a forward-viewing radial scan ultrasonic endoscope

Uchida, D., Kato, H., Matsumoto, K., Ishihara, Y., Matsumi, A., Saragai, Y., Takada, S., Yabe, S., Muro, S., Tomoda, T., Horiguchi, S. & Okada, H., Dec 18 2019, In : BMC Gastroenterology. 19, 1, 220.

Research output: Contribution to journalArticle

Open Access
Digestive System Endoscopy
Endoscopes
Ultrasonics
Pancreatic Diseases
Safety
Open Access
Gastroenterostomy
Lithotripsy
Endoscopes
Gastrectomy
Bile Ducts
1 Citation (Scopus)

The clinicopathological differences of sporadic non-ampullary duodenal epithelial neoplasm depending on tumor location

Matsueda, K., Kanzaki, H., Matsueda, K., Nasu, J., Yoshioka, M., Nakagawa, M., Inoue, M., Inaba, T., Imagawa, A., Takatani, M., Takenaka, R., Suzuki, S., Tomoda, J., Yagi, T., Fujiwara, T., Tanaka, T. & Okada, H., Jan 1 2019, In : Journal of Gastroenterology and Hepatology (Australia).

Research output: Contribution to journalArticle

Duodenal Neoplasms
Glandular and Epithelial Neoplasms
Carcinoma
Neoplasms
Adenoma