Prospective Clinical Evaluation of a Novel Repositionable Plastic Stent for Endosonography-Guided Hepaticogastrostomy With or Without Antegrade Stenting (With Videos) - Summary - MDSpire

Clinical Assessment of a New Repositionable Plastic Stent for Endosonography-Guided Hepaticogastrostomy With or Without Antegrade Stenting (Including Videos)

  • By

  • Shuntaro Mukai

  • Atsushi Sofuni

  • Takayoshi Tsuchiya

  • Reina Tanaka

  • Ryosuke Tonozuka

  • Yukitoshi Matsunami

  • Kazumasa Nagai

  • Hiroyuki Kojima

  • Hirohito Minami

  • Noriyuki Hirakawa

  • Kyoko Asano

  • Kento Shionoya

  • Takao Itoi

  • July 19, 2026

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Objective:

To evaluate the efficacy and safety of a novel repositionable plastic stent (PS) for endosonography-guided hepaticogastrostomy (EUS-HGS) in patients with malignant or benign biliary disease.

Approach:
  • Patient Selection: Included patients undergoing EUS-HGS for malignant biliary obstruction or benign biliary disease, excluding those under 20 years, those who underwent EUS-HGS with an initial plan for placement of a metal stent, those in whom puncture was deemed difficult due to insufficient dilation of the intrahepatic bile duct on EUS evaluation, and those who underwent EUS-HGS during a live endoscopic demonstration.
Key Findings:
  • Technical success was achieved in the placement of the repositionable PS.
  • Functional clinical success was defined by significant bilirubin reduction and improvement in liver dysfunction.
  • Adverse events were graded according to established lexicon.
Interpretation:

The repositionable PS shows promise in improving the safety and efficacy of EUS-HGS procedures.

Limitations:
  • Single-center study may limit generalizability.
  • Exclusion of certain patient groups may affect the applicability of results.
Conclusion:

The novel repositionable PS demonstrates effective performance in EUS-HGS, indicating the need for further investigation.

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