Takehiko Koga

Fukuoka, Japan

Last Updated: 09/26/2026

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Found 42 publications

A long-scope technique for difficult intrahepatic bile duct puncture during endoscopic ultrasound-guided hepaticogastrostomy.

A long-scope technique for difficult intrahepatic bile duct puncture during endoscopic ultrasound-guided hepaticogastrostomy.

Journal: Endoscopy

Published: August 04, 2026

Comparison of EUS-guided treatment and balloon-enteroscopy-assisted endoscopic retrograde cholangiopancreatography for large bile duct stone removal in patients with surgically altered anatomy: A multicenter study.

Comparison of EUS-guided treatment and balloon-enteroscopy-assisted endoscopic retrograde cholangiopancreatography for large bile duct stone removal in patients with surgically altered anatomy: A multicenter study.

Journal: Endoscopic ultrasound

Published: July 25, 2026

Benefit of multi-hole self-expandable metal stent placement for hilar biliary bleeding: effective hemostasis without biliary branch obstruction.

Benefit of multi-hole self-expandable metal stent placement for hilar biliary bleeding: effective hemostasis without biliary branch obstruction.

Journal: Endoscopy

Published: April 20, 2026

Safe retrieval of gastrointestinal foreign bodies using the novel endoscopic attachment with a flower-shaped design.

Safe retrieval of gastrointestinal foreign bodies using the novel endoscopic attachment with a flower-shaped design.

Journal: Endoscopy

Published: March 09, 2026

Side-by-side plastic stent insertion for refractory post-endoscopic sphincterotomy bleeding after covered metal stent placement.

Side-by-side plastic stent insertion for refractory post-endoscopic sphincterotomy bleeding after covered metal stent placement.

Journal: Endoscopy

Published: February 09, 2026

Safety of Endoscopic Ultrasound-Guided Biliary Drainage in Patients with Distal Malignant Biliary Obstruction with Large-Volume Ascites.

Safety of Endoscopic Ultrasound-Guided Biliary Drainage in Patients with Distal Malignant Biliary Obstruction with Large-Volume Ascites.

Journal: Gut and liver

Published: January 26, 2026

Correction to: Prediction of the wall‑invasion pattern of advanced gallbladder carcinoma using extracellular volume fraction.

Correction to: Prediction of the wall‑invasion pattern of advanced gallbladder carcinoma using extracellular volume fraction.

Journal: Japanese journal of radiology

Published: September 15, 2025

Quadruple and quintuple transpapillary stenting without predilation for complex hilar biliary obstruction using a novel 7-Fr ultratapered plastic stent.

Quadruple and quintuple transpapillary stenting without predilation for complex hilar biliary obstruction using a novel 7-Fr ultratapered plastic stent.

Journal: Endoscopy

Published: August 20, 2025

Tornado cleaning technique for food impaction in gastroduodenal stent using a high-rotational spiral basket catheter.

Tornado cleaning technique for food impaction in gastroduodenal stent using a high-rotational spiral basket catheter.

Journal: Endoscopy

Published: August 19, 2025

Sphincterotomy during endoscopic biliary drainage in cholangitis with sepsis-induced coagulopathy increases bleeding without clinical benefits.

Sphincterotomy during endoscopic biliary drainage in cholangitis with sepsis-induced coagulopathy increases bleeding without clinical benefits.

Journal: Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver

Published: July 29, 2025

Effectiveness of maintaining oxygenation of a new high flow nasal cannula for endoscopic retrograde cholangiopancreatography during intravenous anesthesia.

Effectiveness of maintaining oxygenation of a new high flow nasal cannula for endoscopic retrograde cholangiopancreatography during intravenous anesthesia.

Journal: Trials

Published: June 04, 2025

Drill Crush Technique: A Novel Lithotripsy Method for Giant Bile Duct Stone Removal in a Patient With Surgically Altered Anatomy (With Video).

Drill Crush Technique: A Novel Lithotripsy Method for Giant Bile Duct Stone Removal in a Patient With Surgically Altered Anatomy (With Video).

Journal: Journal of hepato-biliary-pancreatic sciences

Published: June 03, 2025

Showing 1-12 of 42

Last Updated: 09/26/2026