Year 2025 / Volume 117 / Number 6
Letter
Recurrent obstruction of biliary stent-in-stent: a heated solution

343-344

DOI: 10.17235/reed.2024.10390/2024

Tânia Carvalho, Andreia Guimarães, Tiago Leal, Aníbal Ferreira, Bruno Moreira Gonçalves,

Abstract
Intraductal radiofrequency ablation (RFA) has been used in the management of malignant biliary obstruction and ampullary neoplasms. Some small studies refer to its role in managing benign biliary strictures with some promising results. The complications are not neglectable, namely cholangitis, pancreatitis, bleeding, and perforation, although most of them can be managed conservatively. There are two catheters available. Only the ERLA (EndoLumunal Radiofrequency Ablation, Taewoong Medical) catheter can control temperature and impedance, allowing it to reduce the risk of complications.
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References
1. Xia M, Qin W, Hu B. Endobiliary radiofrequency ablation for unresectable malignant biliary strictures: Survival benefit perspective. Dig Endosc. 2023 Jul;35(5):584-591.
2. Choi YH, Yoon SB, Chang JH, et al. The Safety of Radiofrequency Ablation Using a Novel Temperature-Controlled Probe for the Treatment of Residual Intraductal Lesions after Endoscopic Papillectomy. Gut Liver. 2021 Mar 15;15(2):307-314.
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Carvalho T, Guimarães A, Leal T, Ferreira A, Gonçalves B. Recurrent obstruction of biliary stent-in-stent: a heated solution. 10390/2024


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Publication history

Received: 08/03/2024

Accepted: 20/03/2024

Online First: 09/04/2024

Published: 10/06/2025

Article Online First time: 32 days

Article editing time: 459 days


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