CC BY-NC-ND 4.0 · Endosc Int Open 2020; 08(11): E1633-E1638
DOI: 10.1055/a-1236-3217
Original article

Safety and outcomes of endoscopic ultrasound-guided drainage for malignant biliary obstruction using cautery-enabled lumen-apposing metal stent

Jerry Yung-Lun Chin
Department of Gastroenterology and Hepatology, Waikato Hospital, Hamilton, New Zealand
,
Samir Seleq
Department of Gastroenterology and Hepatology, Waikato Hospital, Hamilton, New Zealand
,
Frank Weilert
Department of Gastroenterology and Hepatology, Waikato Hospital, Hamilton, New Zealand
› Institutsangaben

Abstract

Background and study aims There is increasing evidence to suggest that EUS-guided biliary drainage (EUS-BD) is a safe and effective treatment alternative for patients with malignant biliary obstructions (MBOs) after failed endoscopic retrograde cholangiopancreatography.

Patients and methods We performed a retrospective analysis of data prospectively collected from patients with MBO who underwent choledochoduodenostomy (CDS) or gallbladder drainage (GBD) between August 2016 and June 2020 using the electrocautery-enabled lumen-apposing metal stents (ECE-LAMS). The primary endpoint was technical and clinical success. Secondary endpoints were adverse events (AEs) and reinterventions.

Results A total of 60 patients were included in the study, with 56 CDS and 4 GBD. Median age was 76 years with 57 % male (34/60). The most common indication for EUS-BD was pancreatic cancer (78 %). Technical success was achieved in 100 % of cases, with a clinical success rate of 91.7 %. Mean total bilirubin pre-procedure was 202 umol/L (normal < 20 umol/L) and 63.8 umol/L post procedure (P < .001). Twenty-one patients had bilirubin recorded at 2 weeks post EUS-BD with 20 of 21 patients demonstrating > 50 % reduction in bilirubin (mean bilirubin reduction 75 %). AEs occurred in 12 of 60 patients (20 %), all of which were mild. The reintervention rate was 11.7 % (7/60). Stent occlusion occurred in 10 of 60 patients (16.7 %) with a mean time to stent occlusion of 46.2 days (3–133). Stent patency of 83.3 % was observed with a mean follow up of 7.9 months.

Conclusion EUS-CDS and GBD using ECE-LAMS are effective EUS-based techniques for managing patients with MBO. AEs are usually mild and resolved by reintervention.



Publikationsverlauf

Eingereicht: 09. Mai 2020

Angenommen: 15. Juli 2020

Artikel online veröffentlicht:
22. Oktober 2020

© 2020. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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