Mechanisms of Weight Loss in Patients Diagnosed With Achalasia

Pneumatic dilation of the lower esophageal sphincter (LES) consists of inserting a guide wire under visual control into the stomach and to pass the balloon over the guide wire. The balloon is inflated, disrupting the muscle fibers of the sphincter.

This procedure destroys the muscles at the gastroesophageal junction, allowing the valve (LES) between the esophagus and stomach to remain open.