Endoscopic Treatment for Achalasia

  • Su Jin HongEmail author


Achalasia develops from the functional disturbance of inhibitory neurons in the lower esophagus. Imbalance between excitatory neurons and inhibitory neurons induces impaired relaxation of the lower esophageal sphincter (LES). Achalasia is classified into three subtypes according to the Chicago Classification Ver. 3.0. The main treatment modalities of endoscopic treatment for achalasia include pneumatic balloon dilation (PBD) and peroral endoscopic myotomy (POEM). POEM has revealed more favorable results in type III achalasia. Since the introduction of POEM, many centers have been available to perform POEM for the patients with achalasia. This chapter shows the techniques of endoscopic treatment for achalasia.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Digestive Disease Center and Research Institute, Departement of Internal MedicineSoonchunhyang University Bucheon Hostpital, Soonchunhyang University College of MedicineBucheonSouth Korea

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