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Updated: Jul 14, 2025

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
Published on: March 25, 2022
3-Fr microcatheter-assisted endoscopic ultrasound-guided rendezvous technique with a 22-gauge needle and a 0.018-inch
Makoto Natsume1,2, Michihiro Yoshida1, Kazuki Hayashi1
1Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan.
Abstract:
Endoscopic ultrasound-guided rendezvous with a 22-gauge needle and a 0.018-inch guidewire, assisted by a 3-Fr microcatheter, effectively addresses challenges in biliary cannulation, improving guidewire manipulation and reducing risks of injury and leakage. Natsume and colleagues describe the successful extraction of common bile duct stones to demonstrate the efficacy of this technique.
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