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Gastric Peroral Endoscopic Myotomy: G-POEM

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Abstract

G-POEM is a submucosal endoscopic technique allowing pyloromyotomy and following the concept of esophageal POEM. G-POEM allows endoscopic management of gastroparesis secondary to the following etiologies: postoperative, diabetes, autoimmune, and idiopathic which is the main cause. The procedure includes a short tunnel (5 cm length), reaching the pyloric sphincter which appears as a white submucosal arch, and the pyloromyotomy. Results are assessed according to clinical efficacy (GSCI) score and gastric emptying scintigraphy. They showed at 6 months follow-up a mean clinical success in 82% and mean GES improvement in 72%. Adverse events are not frequent with a 6% mean rate and could be managed conservatively.

G-POEM offers to patients with gastroparesis an efficient minimally invasive approach. The association with external pacemaker should be investigated looking to the pathophysiological pathway of gastroparesis.

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Authors and Affiliations

  1. Department of Gastroenterology, Aix Marseille Université, APHM, Service de Gastro-entérologie, Hôpital Nord, Marseille, France

    M. Barthet & J. M. Gonzalez

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  1. M. Barthet
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  2. J. M. Gonzalez
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Correspondence to M. Barthet .

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Editors and Affiliations

  1. Division of Gastroenterology and Hepatology, University of Kansas School of Medicine, VA Medical Center, Kansas City, MO, USA

    Prateek Sharma

  2. Department of Gastroenterology, Asian Institute of Gastroenterology, Hyderabad, Andhra Pradesh, India

    Nageshwar Reddy

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Barthet, M., Gonzalez, J.M. (2021). Gastric Peroral Endoscopic Myotomy: G-POEM. In: Sharma, P., Reddy, N. (eds) Innovations in Gastrointestinal Endoscopy. Springer, Singapore. https://doi.org/10.1007/978-981-15-9247-8_1

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  • DOI: https://doi.org/10.1007/978-981-15-9247-8_1

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