J Neurogastroenterol Motil.  2016 Jan;22(1):14-24. 10.5056/jnm15191.

Peroral Endoscopic Myotomy for Treating Achalasia and Esophageal Motility Disorders

Affiliations
  • 1Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea. philipchiu@surgery.cuhk.edu.hk
  • 2Department of Gastroenterology and Hepatology, Nagasaki University Hospital, Nagasaki, Japan.
  • 3Institute of Digestive Disease, The Chinese University of Hong Kong, Shatin, Hong Kong.

Abstract

Peroral endoscopic myotomy (POEM) is the application of esophageal myotomy to the concept of natural orifice transluminal surgery (NOTES) by utilizing a submucosal tunneling method. Since the first case of POEM was performed for treating achalasia in Japan in 2008, this procedure is being more widely used by many skillful endosopists all over the world. Currently, POEM is a spotlighted, emerging treatment option for achalasia, and the indications for POEM are expanding to include long-standing, sigmoid shaped esophagus in achalasia, even previously failed endoscopic treatment or surgical myotomy, and other spastic esophageal motility disorders. Accumulating data about POEM demonstrate excellent short-term outcomes with minimal risk of major adverse events, and some existing long-term data show the efficacy of POEM to be long lasting. In this review article, we review the technical details and clinical outcomes of POEM, and discuss some considerations of POEM in special situations.

Keyword

Achalasia; Myotomy; Peroral endoscopic myotomy; Treatment
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