Clinical Endoscopy (Sep 2024)

Advances in self-expandable metal stents for endoscopic ultrasound-guided interventions

  • Dong Kee Jang,
  • Dong Wook Lee,
  • Seong-Hun Kim,
  • Kwang Bum Cho,
  • Sundeep Lakhtakia

DOI
https://doi.org/10.5946/ce.2023.169
Journal volume & issue
Vol. 57, no. 5
pp. 588 – 594

Abstract

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Endoscopic ultrasound (EUS)-guided interventions have evolved rapidly in recent years, with dedicated metal stents playing a crucial role in this process. Specifically, the invention of biflanged short metal-covered stents, including lumen-apposing metal stents (LAMS), and modifications in a variety of tubular self-expandable metal stents (SEMS), have led to innovations in EUS-guided interventions. LAMS or non-LAMS stents are commonly used in the EUS-guided drainage of pancreatic fluid collections, especially in cases of walled-off necrosis. Additionally, LAMS is commonly considered for drainage of the EUS-guided gallbladder or dilated common bile duct and EUS-guided gastroenterostomy. Fully or partially covered tubular SEMS with several new designs are being considered for EUS-guided biliary drainage. This review focuses on advances in SEMS for EUS-guided interventions and discusses related research results.

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