Placement of a newly designed partially covered T- or Y-configured self-expanding metallic stent for hilar biliary obstr
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VASCULAR AND INTERVENTIONAL RADIOLOGY
Placement of a newly designed partially covered T‑ or Y‑configured self‑expanding metallic stent for hilar biliary obstruction: technical note Dechao Jiao1 · Jing Wang2 · Bingxin Han3 · Zongming Li1 · Yanli Wang1 · Xinwei Han1 Received: 12 November 2019 / Accepted: 6 April 2020 © Italian Society of Medical Radiology 2020
Abstract Purpose To investigate the technical success, efficacy, and safety of a newly designed partially covered bilateral selfexpanding metallic stent (SEMS) in patients with malignant biliary obstruction. Material and methods From May 2016 to November 2017, ten patients with malignant hilar biliary stenosis (bismuth type II–IV) underwent stent placement with the newly designed partially covered T/Y-configured SEMS. Technical success, drainage catheter removal, jaundice remission, early and late complications, stent patency, and overall survival were analyzed. Results The stent was successfully deployed in all patients. The total bilirubin level significantly decreased one month after stent placement (P 30 days after biliary stenting) according to the Society of Interventional Radiology clinical practice guidelines [5]; (5) Stent patency—defined as the time interval from the initial stent placement to recurrence of biliary occlusion (symptoms of jaundice with serum total bilirubin ≥ twofold increases and detection of bile duct dilatation on medical imaging); and (6) Overall survival—defined as the interval from initial biliary stenting to death due to any cause.
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