Beyond cylindrical stents: does a tapered-and-flared design improve biliary drainage?

DOI QR Code

Woo Hyun Paik (Department of Internal Medicine and Liver Research Institute, Seoul National University Hospital, Seoul National University College of Medicine)

Paik WH, Park DH. Endoscopic management of malignant biliary obstruction. Gastrointest Endosc Clin N Am 2024;34:127–140. https://doi.org/10.1016/j.giec.2023.07.004
Jeong S. Basic knowledge about metal stent development. Clin Endosc 2016;49:108–112. https://doi.org/10.5946/ce.2016.029
Itonaga M, Kitano M. Endoscopic biliary drainage for distal bile duct obstruction due to pancreatic cancer. Clin Endosc 2025;58:40–52. https://doi.org/10.5946/ce.2023.294
Murabayashi T, Kobayashi M, Iwata K, et al. A pilot study of a novel tapered and flared fully covered self-expandable metal stent for unresectable malignant distal biliary obstruction: a multicenter study in Japan. Clin Endosc 2026;59:425–432. https://doi.org/10.5946/ce.2025.399
Park DH, Lee SS, Lee TH, et al. Anchoring flap versus flared end, fully covered self-expandable metal stents to prevent migration in patients with benign biliary strictures: a multicenter, prospective, comparative pilot study (with videos). Gastrointest Endosc 2011;73:64-70. https://doi.org/10.1016/j.gie.2010.09.039