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  • EUS-guided treatment of WON using lumen-apposing metal stents: protocol standardisation based on the occurrence of natural healing processes

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Letter
EUS-guided treatment of WON using lumen-apposing metal stents: protocol standardisation based on the occurrence of natural healing processes
  1. Mihai Rimbaş1,2,
  2. Margherita Pizzicanella3,
  3. Alberto Larghi1
  1. 1 Digestive Endoscopy Unit, Fondazione Policlinico Universitario Agostino Gemelli, Rome, Italy
  2. 2 Gastroenterology Department, Colentina Clinical Hospital, Carol Davila University of Medicine, Bucharest, Romania
  3. 3 Endoscopy Unit, Università Campus Bio-Medico of Rome, Rome, Italy
  1. Correspondence to Dr Alberto Larghi, Digestive Endoscopy Unit, Fondazione Policlinico Universitario Agostino Gemelli, Rome, Italy; alberto.larghi{at}yahoo.it

https://doi.org/10.1136/gutjnl-2018-316994

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    We read with great interest the paper by Bang et al,1 which reported the results of a randomised controlled trial comparing endoscopic ultrasound (EUS)-guided placement of lumen-apposing metal stents (LAMS) (Hot Axios) versus plastic stents (PS) for the treatment of patients with walled-off pancreatic necrosis (WON). During the first phase of the study, a very high number of adverse events (AEs) (32.2%) occurred in the LAMS arm, including two patients with a buried stent, three with bleeding pseudoaneurysms that required coil embolisation and other three with stent-induced biliary stricture. All these AEs occurred within 6 weeks from stent placement, which was the time established to assess treatment response by an abdominal CT. Due to this high rate of AEs, the protocol was changed and follow-up CT anticipated at 3 weeks, resulting in a decrease of AEs to 6.5% in the …

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    Footnotes

    • Contributors MR, MP and AL did the literature search. MR and AL drafted the manuscript. All authors approved the final version of the manuscript.

    • Competing interests None declared.

    • Patient consent Not required.

    • Provenance and peer review Not commissioned; internally peer reviewed.

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