Guidewire–bile duct angle as a determinant of stent delivery success in EUS-guided hepaticogastrostomy: a prospective double-lumen dilator cohort with propensity score-matched historical controls

Naoto Aoyama, Takeshi Ogura, Yoshitaro Yamamoto, Saori Ueno, Atsushi Okuda, Nobu Nishioka, Junichi Nakamura, Nobuhiro Hattori, Kimi Bessho, Takafumi Kanadani, Nga Nguyen Trong, Ly Kim Chhun, Ahmad F. Aboelezz, Yi-Jun Liao, Szu-Chia Liao, Hiroki Nishikawa

Therapeutic Advances in Gastroenterology

Published online on July 30, 2026

Abstract

Therapeutic Advances in Gastroenterology, Volume 19, January-December 2026.
Background:Failure of stent delivery remains a major technical limitation of endoscopic ultrasound-guided hepaticogastrostomy (EUS-HGS), often necessitating additional tract dilation and increasing procedural complexity and cost.Objectives:The aim of this ...