How Common is Eosinophilic Esophagitis?

There have been numerous epidemiologic studies regarding eosinophilic esophagitis.  A recent summary of a recent study (Clin Gastroenterol Hepatol 2014; 12: 589-96) has been posted on the AGA Journals Blog.  Here’s the link to the full summary:  EoE Prevalence AGA Journal Blog

Here’s an excerpt:

Eosinophilic esophagitis (EoE), which was barely recognized 20 years ago, affects at least 150,000 people in the United States, with three-quarters being adults, report Evan Dellon et al. in the April issue of Clinical Gastroenterology and Hepatology.

EoE, also known as allergic esophagitis, is an allergic inflammatory disease characterized by increased numbers eosinophils in the esophagus. Symptoms include difficulty swallowing, food impaction, and heartburn…

They found that despite its relatively recent description, EoE is frequently diagnosed in the US, with an estimated prevalence of 56.7/100,000 persons. The mean age of patients, surprisingly, was 33.5 years; 65% were male, 55.8% had dysphagia, and 52.8% had at least 1 other allergic condition. Prevalence peaked in men 35–39 years old (see figure).

EoE Prevalence by Age

Dellon et al. identified patients based on the International Classification of Diseases (ICD), 9th revision code for EoE (530.13). They state that this prevalence could be an underestimate, because knowledge of the code and recognition of EoE are increasing…

Take home point: This study shows that EoE in adults and in children is much more common in males than females, especially in those with other allergic diseases.  Given the frequency of those with mild symptoms, the prevalence data are likely to be huge underestimates.

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5 thoughts on “How Common is Eosinophilic Esophagitis?

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