Akihito Nagahara

Professor MD, PhD

Juntendo University Graduate School of Medicine

Japan

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About

Professor Akihito Nagahara, MD, PhD, is a faculty member at Juntendo University School of Medicine in Japan. His recent research focuses on gastrointestinal health, specifically investigating conditions such as ulcerative colitis, constipation, and gut microbiota. He has contributed significantly to understanding the associations between gastrointestinal-related quality of life, frailty, and sarcopenia in older populations.

Articles (23)

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Collaborators (5)

Takashi Yao

Juntendo University

JAPAN

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Shotaro Oki

Juntendo University

JAPAN

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Shigeo Koido

JAPAN

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Kei Matsuno

Assistant professor

Juntendo University Hospital

JAPAN

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Tsutomu Takeda

Juntendo University

JAPAN

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Akihito Nagahara

Research Interests

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About

Articles (23)

Association of Constipation and Geriatric Depressive Symptoms: Cross-Sectional Analysis Using Baseline Data from the JUSTICE-TOKYO Prospective Cohort Study

The Association Between Severity of Constipation and Oral Frailty Index-8 in the JUSTICE-TOKYO Study: A Cross-Sectional Study

Sex-Specific Associations of Gut Microbiota Composition with Sarcopenia Defined by the Asian Working Group for Sarcopenia 2019 Consensus in Older Outpatients: Prospective Cross-Sectional Study in Japan

Hydrogen Gas Inhalation Improved Intestinal Microbiota in Ulcerative Colitis: A Randomised Double-Blind Placebo-Controlled Trial

Comparison of the Effectiveness of Vedolizumab and Ustekinumab in Patients with Ulcerative Colitis: A Real-World Retrospective Study

Development and Validation of a Simple and Multifaceted Instrument, Chronic Constipation-Therapeutic Efficacy and Satisfaction Test, for the Clinical Evaluation of Patients with Chronic Constipation

Residual Recurrence of a Small Intestinal Capillary Hemangioma with Obscure Gastrointestinal Bleeding Treated by Double-Balloon Endoscopy: A Case Report and Literature Review

Remission Factors for Ustekinumab Treatment of Ulcerative Colitis: A Multicenter Retrospective Study of Real-World Data in Japan

Oxidative Stress-Responsive Apoptosis Inducing Protein (ORAIP) Plays a Critical Role in Dextran Sulfate Sodium-Induced Murine Model of Ulcerative Colitis

Development of an Artificial Intelligence Diagnostic System Using Linked Color Imaging for Barrett’s Esophagus

Risk Factors for Mucosal Redness in the Duodenal Bulb as Detected via Linked Color Imaging

Association Between Gastrointestinal-Related Quality of Life and Frailty Using Baseline Data of the Prospective Cohort Study (JUSTICE-TOKYO Study)

Endoscopic Diagnosis Strategy of Raspberry-Shaped Gastric Lesion in Helicobacter Pylori-Uninfected Patient

Emergency Endoscopic Hemostasis for Gastrointestinal Bleeding Using a Self-Assembling Peptide: A Case Series

The Impact of Partial Splenic Embolization on Portal Hypertensive Gastropathy in Cirrhotic Patients with Portal Hypertension

Enterolith Treated with a Combination of Double-Balloon Endoscopy and Cola Dissolution Therapy

Correlation between Constipation Symptoms and Abdominal CT Imaging: A Cross-Sectional Pilot Study

Anisakiasis in the Upper Esophagus: A Case Report

Endoscopic Features of Gastric Epithelial Neoplasm of Fundic Gland Mucosa Lineage

Early Clinical Remission Is a Predictor of Long-Term Remission with the Use of Vedolizumab for Ulcerative Colitis

Comparative Study of <i>Helicobacter pylori-</i>Infected Gastritis in Okinawa and Tokyo Based on the Kyoto Classification of Gastritis

Comparison of the Degree of Gastric Mucosal Injury between Patients Who Are Receiving Dual Antiplatelet Therapy or Single Antiplatelet Therapy

A Questionnaire-Based Survey on the Impact of the COVID-19 Pandemic on Gastrointestinal Endoscopy in Asia

Collaborators (5)

Takashi Yao

Shotaro Oki

Shigeo Koido

Kei Matsuno

Tsutomu Takeda

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