Naoki Asayama

Hiroshima, Japan

Last Updated: 09/26/2026

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Found 66 publications

Treatment outcomes of endoscopic submucosal dissection for lesions adjacent to the dentate line: a post hoc analysis from the Hiroshima GI Endoscopy Research Group Study.

Treatment outcomes of endoscopic submucosal dissection for lesions adjacent to the dentate line: a post hoc analysis from the Hiroshima GI Endoscopy Research Group Study.

Journal: Digestion

Published: June 11, 2026

Long-term Local Recurrence and Survival after Colorectal Endoscopic Submucosal Dissection: A Prospective Multicenter Real-world Cohort Study.

Long-term Local Recurrence and Survival after Colorectal Endoscopic Submucosal Dissection: A Prospective Multicenter Real-world Cohort Study.

Journal: Endoscopy

Published: May 08, 2026

Underwater indirect clipping for colonic diverticular bleeding.

Underwater indirect clipping for colonic diverticular bleeding.

Journal: Endoscopy

Published: April 15, 2026

Small Bowel Vascular Lesions Are Associated with an Increased Risk of Subsequent Cardiovascular Disease After Small Bowel Bleeding.

Small Bowel Vascular Lesions Are Associated with an Increased Risk of Subsequent Cardiovascular Disease After Small Bowel Bleeding.

Journal: Internal medicine (Tokyo, Japan)

Published: April 08, 2026

Self-assembling peptide hydrogel prevents esophageal stenosis after endoscopic submucosal dissection for esophageal squamous cell carcinoma: Multicenter prospective study.

Self-assembling peptide hydrogel prevents esophageal stenosis after endoscopic submucosal dissection for esophageal squamous cell carcinoma: Multicenter prospective study.

Journal: Endoscopy international open

Published: December 09, 2025

Effectiveness of endoscopic submucosal dissection in the management of internal hemorrhoids: a retrospective cohort study.

Effectiveness of endoscopic submucosal dissection in the management of internal hemorrhoids: a retrospective cohort study.

Journal: Therapeutic advances in gastroenterology

Published: May 18, 2025

Reply to the letter to the editor regarding "Clinical outcome and long-term prognosis after endoscopic submucosal dissection for colorectal tumors in patients aged 75 years or older: a retrospective observational study".

Reply to the letter to the editor regarding "Clinical outcome and long-term prognosis after endoscopic submucosal dissection for colorectal tumors in patients aged 75 years or older: a retrospective observational study".

Journal: International journal of colorectal disease

Published: January 21, 2025

Clinical outcome and long‑term prognosis after endoscopic submucosal dissection for colorectal tumors in patients aged 75 years or older: a retrospective observational study.

Clinical outcome and long‑term prognosis after endoscopic submucosal dissection for colorectal tumors in patients aged 75 years or older: a retrospective observational study.

Journal: International journal of colorectal disease

Published: November 15, 2024

Vertical margin distance in T1 colorectal carcinoma resected by endoscopic submucosal dissection affects prognosis after additional surgery.

Vertical margin distance in T1 colorectal carcinoma resected by endoscopic submucosal dissection affects prognosis after additional surgery.

Journal: International journal of colorectal disease

Published: July 25, 2024

Adherence and Effectiveness of MoviPrepⓇ in Bowel Preparation for Colonoscopy: A Multicenter Study from the Hiroshima GI Endoscopy Research Group.

Adherence and Effectiveness of MoviPrepⓇ in Bowel Preparation for Colonoscopy: A Multicenter Study from the Hiroshima GI Endoscopy Research Group.

Journal: Journal of the anus, rectum and colon

Published: June 21, 2023

Letter to the Editor. To the Editor

Letter to the Editor. To the Editor

Journal: Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology

Published: March 13, 2023

Two rare cases of severe hyponatremia with consciousness disorder following bowel preparation and high fluid intake

Two rare cases of severe hyponatremia with consciousness disorder following bowel preparation and high fluid intake

Journal: Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology

Published: September 11, 2022

Showing 1-12 of 66

Last Updated: 09/26/2026