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Minerva Gastroenterology 2021 Sep 13

DOI: 10.23736/S2724-5985.21.02984-3

Copyright © 2021 EDIZIONI MINERVA MEDICA

language: English

Peroral endoscopic myotomy (POEM) for esophageal diverticula

Jayanta SAMANTA 1 , Zaheer NABI 2, Jahnvi DHAR 1, Harshal S. MANDAVDHARE 1

1 Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, Chandigarh, India; 2 Asian Institute of Gastroenterology, Hyderabad, India


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Esophageal diverticula (ED) are uncommon, mostly seen in elderly and can present with a multitude of symptoms. Of the three types of ED, epiphrenic and mid-esophageal diverticulum are still rare. These are often associated with esophageal motility disorder, which contributes to its development. The key step in the management of such symptomatic ED is the division of the septum and tackling the underlying motility dysfunction, if any. Traditional surgical options have high morbidity and mortality while flexible endoscopic septal division cannot adequately manage epiphrenic diverticulum with motility dysfunction. The technique of submucosal space creation and peroral endoscopic myotomy (POEM) has been used to treat a host of esophageal diseases such as achalasia. POEM has been recently described for the management of ED. Two different strategies have been described for tackling using POEM, namely, diverticular POEM (D-POEM) and salvage POEM (SPOEM). While D-POEM entails division of the septum and esophageal myotomy, S-POEM requires only esophageal myotomy without septum division. Multiple retrospective studies in the recent years have described use of POEM for the management of different types of ED with good safety and efficacy with low recurrence rate. This review encompasses a detailed account of the technical steps, pre- and post-procedure evaluation and literature review of safety, efficacy, adverse events, and recurrence rates of the use of POEM for ephiprenic and mid-esophageal diverticulum. We have also proposed a management algorithm based on the type of underlying motility dysfunction and the size of the diverticulum.


KEY WORDS: Third space endoscopy; Epiphrenic diverticulum; Esophageal motility; High resolution manometry

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