Magnetic anchor guidance for endoscopic submucosal dissection and other endoscopic procedures

World Journal of Gastroenterology : WJG
Mohamed MortagyAmit Bhatt

Abstract

Endoscopic submucosal dissection (ESD) is a well-established, minimally invasive treatment for superficial neoplasms of the gastrointestinal tract. The universal adoption of ESD has been limited by its slow learning curve, long procedure times, and high risk of complications. One technical challenge is the lack of a second hand that can provide traction, as in conventional surgery. Reliable tissue retraction that exposes the submucosal plane of dissection would allow for safer and more efficient dissection. Magnetic anchor guided endoscopic submucosal dissection (MAG-ESD) has potential benefits compared to other current traction methods. MAG-ESD offers dynamic tissue retraction independent of the endoscope mimicking a surgeon's "second hand". Two types of magnets can be used: electromagnets and permanent magnets. In this article we review the MAG-ESD technology, published work and studies of magnets in ESD. We also review the use of magnetic anchor guidance systems in natural orifice transluminal endoscopic surgery and the idea of magnetic non-contact retraction using surface ferromagentization. We discuss the current limitations, the future potential of MAG-ESD and the developments needed for adoption of this technology.

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Citations

Feb 15, 2019·Journal of Gastrointestinal Surgery : Official Journal of the Society for Surgery of the Alimentary Tract·Makoto SohdaHiroyuki Kuwano
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Oct 23, 2020·Therapeutic Advances in Gastrointestinal Endoscopy·Christopher HarlowNisha Patel
Nov 10, 2020·Clinics in Colon and Rectal Surgery·Makoto Nishimura

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Methods Mentioned

BETA
dissection
surgical resection

Software Mentioned

MAGS
MAG

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