Achalasia is considered to be a rare disease of the muscle of the lower esophageal body and the lower esophageal sphincter. The particular cause of achalasia is unknown; however, it may usually occur by the degeneration of the esophageal muscles and, more importantly, the nerves that control the muscles. As a result, people suffering with achalasia face difficulty in swallowing food. In addition to the failure to relax.
Signs and Symptoms: Achalasia is mainly associated with abnormalities of esophageal peristalsis (usually complete absence of peristalsis) which is usually the coordinated muscular activity of the body of the esophagus (which mainly comprises 90% of the esophagus) which plays a major role in transportation of food from the throat to the stomach.
Disease statistics: In Australia Achalasia is usually affects both in men and women equally between the ages of 30-60. It can also occur in infancy and childhood. The prevalence rate for Achalasia estimated to be approximately around 1 in 100,000/year.