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Visceral hypersensitivity plays a key role in the pathogenesis of esophageal functional disorders such as functional heartburn and chest pain of presumed esophageal origin (noncardiac chest pain). About 80% of patients with unexplained noncardiac chest pain exhibit lower esophageal sensory thresholds when compared to controls during esophageal sensory testing (ie, esophageal barostat, impedance planimetry). Such information has led to prescription of peripherally and/or centrally acting therapies for the management of these patients. This review summarizes and highlights recent and significant findings regarding the pathophysiology, evaluation, and treatment of the hypersensitive esophagus, a central factor in functional esophageal disorders.
Laboratorio de Fisiologia Digestiva y Motilidad Gastrointestinal, Instituto de Investigaciones Medico Biologicas, Iturbide s/n, Col. Flores Magon, Veracruz, Veracruz, CP 91400, Mexico, firstname.lastname@example.org.
This article was published in the following journal.
Name: Current gastroenterology reports
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A motility disorder of the ESOPHAGUS in which the LOWER ESOPHAGEAL SPHINCTER (near the CARDIA) fails to relax resulting in functional obstruction of the esophagus, and DYSPHAGIA. Achalasia is characterized by a grossly contorted and dilated esophagus (megaesophagus).
Studies determining the effectiveness or value of processes, personnel, and equipment, or the material on conducting such studies. For drugs and devices, CLINICAL TRIALS AS TOPIC; DRUG EVALUATION; and DRUG EVALUATION, PRECLINICAL are available.
Studies designed to assess the efficacy of programs. They may include the evaluation of cost-effectiveness, the extent to which objectives are met, or impact.
A condition with damage to the lining of the lower ESOPHAGUS resulting from chronic acid reflux (ESOPHAGITIS, REFLUX). Through the process of metaplasia, the squamous cells are replaced by a columnar epithelium with cells resembling those of the INTESTINE or the salmon-pink mucosa of the STOMACH. Barrett's columnar epithelium is a marker for severe reflux and precursor to ADENOCARCINOMA of the esophagus.
Abnormal passage communicating with the ESOPHAGUS. The most common type is TRACHEOESOPHAGEAL FISTULA between the esophagus and the TRACHEA.
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