megaesophagus

[meg″ah-e-sof´ah-gus]

dilatation and muscular hypertrophy of most of the esophagus, above a constricted, often atrophied, distal segment. See also achalasia.

meg·a·e·soph·a·gus

(meg'ă-ē-sof'ă-gŭs, meg'ă-e-sof'),

Great enlargement of the lower portion of the esophagus, as seen in patients with achalasia and Chagas disease.

Farlex Partner Medical Dictionary © Farlex 2012

meg·a·e·soph·a·gus

(meg'ă-ĕ-sof'ă-gŭs)

Great enlargement of the lower portion of the esophagus, as seen in patients with achalasia and Chagas disease.
Synonym(s): mega-oesophagus.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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Sarah, from Middlesbrough, North Yorkshire, shared a clip of Doris' feeding time routine onFacebookwith the caption: "What life is like living with a pup called Doris who has Megaesophagus."

Adorable dachshund has to sit upright in high chair to eat her food or she would starve to death; Doris has a rare condition that means she cannot keep her food down and would starve to death without help

In animals, congenital megaesophagus and other congenital esophageal defects have been implicated as the underlying cause of GEI (1).

Retrograde gastroesophageal intussusception: an exceedingly rare complication of Heller myotomy in a patient with achalasia cardia

Lower esophageal sphincter analysis using computerized manometry in patients with chagasic megaesophagus. Dis.

Analysis of the movement of food bolus: a comparison between a healthy esophagus and a chagasic megaesophagus/Analise do deslocamento do bolo alimentar: comparacao entre o esofago saudavel e modelo de megaesofago chagasico

Based on the findings and clinical picture, the patient most likely suffered from megaesophagus (an end-stage dilated malfunctioning esophagus).

Patient with intractable nausea and vomiting: a chest x-ray--followed by further questioning about the patient's medical history--revealed the cause of this woman's symptoms

We present a case of megaesophagus associated with atelectasis of the right lung, which showed a typical of achalasia with a "bird's beak appearance".

A Typical Megaesophagus: Interesting Imaging for Diagnosis

Often, the result is megaesophagus, where the tube carrying food from the mouth to the stomach dilates and becomes flaccid, making swallowing ineffective.

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In approximately 30% of cases, patients develop cardiac symptoms (associated with severe myocarditis), and in the remaining 10%, there is damage to the digestive system with infiltration of lymphocytes and neuronal degeneration, leading to the development of megacolon or megaesophagus [5].

[CD8.sup.+] T cell-mediated immunity during Trypanosoma cruzi infection: a path for vaccine development?

Monty, a four-month-old Alaskan Malamute cross breed requires extra care as he suffers from a condition known as megaesophagus. His medical problem means that he needs a owner with patience.

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Subsequent CT scan obtained, clearly demonstrated megaesophagus. UGI endoscopy demonstrated dilated esophagus in all cases with food stasis.

Laparoscopic Heller's cardiomyotomy for achalasia cardia with and without Dor fundoplication--our initial experience

Another key part of her treatment plan is to avoid aspiration pneumonia secondary to megaesophagus (when the esophagus dilates from lack of muscle tone).

Myasthenia gravis: also, intervals for rabies vaccination

The remaining 10% suffer mainly from megacolon or megaesophagus. (2-4) Consequently, Chagas disease places an enormous burden on the economic resources of the countries affected and dramatically influences the patients' social and labor situation.

Cardiac troponin T measured with a highly sensitive assay for diagnosis and monitoring of heart injury in chronic chagas disease

Indeed, between 20 to 30% of Chagas-infected individuals suffer from such diseases as cardiomyopathy (enlarged heart), arrhythmia (varied heart rate or rhythm), cardiac arrest, megacolon (enlarged colon) and megaesophagus (enlarged esophagus) (Bastien, 1998; CDC, 2009).