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Friday, February 29, 2008


Achalasia is a condition in which the esophageal muscle lacks the ability to move food into the stomach. The lower esophageal sphincter (LES), located between the esophagus and stomach, stays closed, resulting in the back up of food. Other symptoms include vomiting undigested food, chest pain, heartburn and weight loss.


Three tests are most commonly used to diagnose and evaluate a swallowing problem:

  • Barium swallow. The patient swallows a barium preparation (liquid or other form) and its movement through the esophagus is evaluated using X-ray technology.
  • Endoscopy. A flexible, narrow tube called an endoscope is passed into the esophagus and projects images of the inside onto a screen.
  • Manometry. This test measures the timing and strength of esophageal contractions and muscular valve relaxations.


If left untreated, achalasia can be debilitating. People experience considerable weight loss that can result in malnutrition. Lung infections and pneumonia due to aspiration of food can result, particularly in the elderly. Although the exact cause of achalasia is unknown, researchers think it may be linked to a virus.

Achalasia can be successfully treated non-surgically with balloon (pneumatic) dilation. While the patient is under light sedation, the gastroenterologist inserts a specifically designed balloon through the LES and inflates it. The procedure acts to relax and open the muscle.

Some patients may have to undergo several dilation treatments in order to achieve symptom improvement, and the treatment may have to be repeated every few years to ensure long-term results. Up to two-third of patients are treated successfully with balloon dilation.


Other patients, particularly those who are not appropriate candidates for balloon dilation or surgery, benefit from Botox® injections. Botox is a protein made by the bacteria that cause botulism. When injected into muscles in very small quantities, it can relax spastic muscles. It works by preventing nerves from sending signals to the muscles that tell them to contract. A smaller percentage of patients (up to 35 percent) achieve good results using Botox compared to balloon dilation. In addition, the injections must be repeated frequently in order to achieve symptom relief.

Minimally Invasive Surgery

A minimally invasive surgical technique called laparoscopic esophagomyotomy or the Heller Myotomy is an excellent treatment choice for achalasia.

Like all minimally invasive surgery, surgeons use a thin, telescopic-like instrument called an endoscope, which is inserted through a small incision. The endoscope is connected to a tiny video camera-smaller than a dime-that projects a view of the operative site onto video monitors located in the operating room. Minimally invasive surgery techniques offer patients a shorter hospital stay, quicker recovery and less scarring than traditional procedures.

Up to two-third of patients are treated successfully with surgery, though some patients may have to repeat the surgery or undergo balloon dilation to achieve satisfactory long-term results.

Although achalasia is relatively rare, The Cleveland Clinic treats approximately two cases every week.

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