This derangement of esophageal neurosis results also to esophageal sphincter inability to relax.
Food stasis gradually distends the esophagus, which is converted to a bag full of food remnants and saliva.
Achalasia diagnosis is based on upper GI endoscopy, esophagogram and manometry.
It is not possible, by any treatment, for the esophagus to regain its normal motility. In the early stages of the disease, swallowing may be improved either by the use of balloon dilatation or by having a cardiomyotomy operation.
Both forms of treatment aim to reduce the lower esophageal sphincter pressure, so that the food weight will be enough to get it all the way through esophagus to the stomach.