Achalasia or acalasia is a failure of a ring of muscle (as a sphincter) to relax (completely). It refers most commonly to esophageal achalasia, which is a neuromuscular disorder of the esophagus characterized by the reduced ability to move food down the esophagus (peristalsis). In addition, the inability of the cardia ( also called lower esophageal sphincter)- to relax in response to swallowing (there is increased LES pressure- spasms).

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... Achalasia is a disorder of the tube that carries food from the mouth to the stomach (esophagus), which affects the ability of the esophagus to move food toward the stomach ...
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Achalasia or acalasia is a failure of a ring of muscle (as a sphincter) to ...
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Achalasia Other

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Minimally Invasive Surgery for Achalasia
... Achalasia of the esophagus is a condition characterized by a lack of peristalsis—the action that moves food through the esophagus towards the stomach—and a failure of the esophageal sphincte...
Source: Cleveland Clinic

   

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