What is the incidence of esophageal motility disorders in the US?

Updated: Dec 29, 2017
  • Author: Eric A Gaumnitz, MD; Chief Editor: Praveen K Roy, MD, AGAF  more...
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Answer

Esophageal motility disorders, excluding achalasia, lack population-based studies. The 2 best-characterized motility disorders, achalasia and DES, represent only a small percentage of diagnosed motility disorders. The incidence of achalasia is 1-3 case per 100,000 population per year. [1] As with any other chronic illness, prevalence exceeds incidence significantly. Familial clustering is observed, but a genetic relationship is not established. Nutcracker esophagus is the most common motility disorder (>40% of all motility disorders diagnosed), but it is the most controversial in significance.


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