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CC BY-NC-ND 4.0 · Endosc Int Open 2020; 08(03): E274-E280
DOI: 10.1055/a-1079-5015
Original article
Owner and Copyright © Georg Thieme Verlag KG 2020

Preliminary report on the safety and utility of a novel automated mechanical endoscopic tissue resection tool for endoscopic necrosectomy: a case series

S. E. van der Wiel
1   Department of Gastroenterology and Hepatology, Erasmus MC – University Medical Center Rotterdam, Rotterdam, The Netherlands
,
A. May
2   Department of Gastroenterology, Sana Klinikum Offenbach GmbH, Offenbach am Main, Germany
,
J. W. Poley
1   Department of Gastroenterology and Hepatology, Erasmus MC – University Medical Center Rotterdam, Rotterdam, The Netherlands
,
M. J. A. L. Grubben
1   Department of Gastroenterology and Hepatology, Erasmus MC – University Medical Center Rotterdam, Rotterdam, The Netherlands
,
J. Wetzka
2   Department of Gastroenterology, Sana Klinikum Offenbach GmbH, Offenbach am Main, Germany
,
M. J. Bruno
1   Department of Gastroenterology and Hepatology, Erasmus MC – University Medical Center Rotterdam, Rotterdam, The Netherlands
,
A. D. Koch
1   Department of Gastroenterology and Hepatology, Erasmus MC – University Medical Center Rotterdam, Rotterdam, The Netherlands
› Author AffiliationsTRIAL REGISTRATION: Multi-center, prospective trial ISRCTN11791921 at isrctn.com
Further Information

Publication History

submitted 06 October 2019

accepted after revision 11 November 2019

Publication Date:
21 February 2020 (online)

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Abstract

Background and study aims Endoscopic drainage of walled-off necrosis and subsequent endoscopic necrosectomy has been shown to be an effective step-up management strategy in patients with acute necrotizing pancreatitis. One of the limitations of this endoscopic approach however, is the lack of dedicated and effective instruments to remove necrotic tissue. We aimed to evaluate the technical feasibility, safety, and clinical outcome of the EndoRotor, a novel automated mechanical endoscopic tissue resection tool, in patients with necrotizing pancreatitis.

Methods Patients with infected necrotizing pancreatitis in need of endoscopic necrosectomy after initial cystogastroscopy, were treated using the EndoRotor. Procedures were performed under conscious or propofol sedation by six experienced endoscopists. Technical feasibility, safety, and clinical outcomes were evaluated and scored. Operator experience was assessed by a short questionnaire.

Results Twelve patients with a median age of 60.6 years, underwent a total of 27 procedures for removal of infected pancreatic necrosis using the EndoRotor. Of these, nine patients were treated de novo. Three patients had already undergone unsuccessful endoscopic necrosectomy procedures using conventional tools. The mean size of the walled-off cavities was 117.5 ± 51.9 mm. An average of two procedures (range 1 – 7) per patient was required to achieve complete removal of necrotic tissue with the EndoRotor. No procedure-related adverse events occurred. Endoscopists deemed the device to be easy to use and effective for safe and controlled removal of the necrosis.

Conclusions Initial experience with the EndoRotor suggests that this device can safely, rapidly, and effectively remove necrotic tissue in patients with (infected) walled-off pancreatic necrosis.

Comment to this article:

Endoscopy International Open – recently publishedEndoscopy 2020; 52(04): 323-323
DOI: 10.1055/a-1096-4252

 

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