Multichannel intraluminal esophageal impedance: a new frontier in motility

Multichannel intraluminal impedance is a new technique for evaluating esophageal function and gastroesophageal reflux disease (GERD). This technique relies on the monitoring of electric conductivity in the esophagus though electrodes, and on changes developing in this variable as a result of bolus p...

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Bibliographic Details
Published inRevista española de enfermedades digestivas Vol. 100; no. 2; pp. 86 - 89
Main Authors de la Morena, F, Santander Vaquero, C, Cantero, J, Pérez, T, Moreno Otero, R
Format Journal Article
LanguageSpanish
Published Spain 01.02.2008
Subjects
Electric Impedance
Female
Gastroesophageal Reflux - diagnosis
Gastroesophageal Reflux - physiopathology
Humans
Hydrogen-Ion Concentration
Middle Aged
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Summary:Multichannel intraluminal impedance is a new technique for evaluating esophageal function and gastroesophageal reflux disease (GERD). This technique relies on the monitoring of electric conductivity in the esophagus though electrodes, and on changes developing in this variable as a result of bolus passage. The proximal distribution and duration of non-acid reflux events can now be quantified, and combined manometry defines the effectiveness of esophageal body function, until now only indirectly evaluated with pH changes. We discuss the case of a woman with persistent cough in whom intraesophageal multichannel impedance demostrates a minor acid reflux that could not be demonstrated with other diagnostic methods previously, and how this technique excludes any association between cough and non-acid reflux.
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ISSN:1130-0108