Background and Aims
A lumen-apposing, self-expanding metal stent incorporated in an electrocautery-enhanced delivery system for EUS-guided drainage of pancreatic fluid collections (PFCs) recently has become available. The aim of this study was to analyze the safety and clinical effectiveness of this newly developed device in this clinical setting.
This was a retrospective analysis of all consecutive patients with PFCs who underwent EUS-guided drainage using the study device in 13 European centers.
Ninety-three patients with PFCs (80% with complex collections) underwent drainage using the study device. Penetration of the PFC was accomplished directly with the study device in 74.2% of patients, and successful stent placement was accomplished in all but 1 patient, mostly without fluoroscopic assistance. Direct endoscopic necrosectomy (DEN) was carried out in 31 of 52 cases (59.6%) of walled-off necrosis and in 2 of 4 cases (50%) of acute peripancreatic fluid collection. Complete resolution of the PFC was obtained in 86 cases (92.5%), with no recurrence during follow-up. Treatment failure occurred in 6 patients because of persistent infection requiring surgery (n = 3), perforation and massive bleeding caused by the nasocystic drainage catheter (NCDC) (n = 2), and the need for a larger opening to extract large necrotic tissue pieces (n = 1). Major adverse events occurred in 5 patients (perforation and massive bleeding caused by the NCDC in 2 patients, 1 pneumoperitoneum and 1 stent dislodgement during DEN, and 1 postdrainage infection) and were mostly not related to the drainage procedure.
EUS-guided drainage with the electrocautery-enhanced delivery system is a safe, easy to perform, and a highly effective minimally invasive treatment modality for PFCs.
Abbreviations:APFC (acute peripancreatic fluid collection), DEN (direct endoscopic necrosectomy), FCSEMS (fully covered self-expanding metal stent), NCDC (nasocystic drainage catheter), PC (pseudocyst), PFC (pancreatic fluid collection), WON (walled-off pancreatic necrosis)
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Published online: May 23, 2015
Accepted: April 1, 2015
Received: January 13, 2015
DISCLOSURE: The following author disclosed financial relationships relevant to this publication: A. Larghi: Speaker for Covidien; consultant for Cook Endoscopy, Boston Scientific, and Xlumina Inc. All other authors disclosed no financial relationships relevant to this publication.
See CME section; p. 1105.
© 2015 American Society for Gastrointestinal Endoscopy. Published by Elsevier Inc. All rights reserved.