Assessing Upper Esophageal Sphincter Function in Clinical Practice: a Primer

Current Gastroenterology Reports
Nitin K Ahuja, Walter W Chan

Abstract

The upper esophageal sphincter constitutes an important anatomic and functional landmark in the physiology of pharyngeal swallowing. A variety of clinical circumstances may call for a dedicated evaluation of this mechanism, from the etiologic evaluation of indeterminate symptoms to the generation of complex locoregional therapeutic strategies. Multiple diagnostic tools exist for the assessment of pharyngeal swallowing generally and of upper esophageal sphincter function specifically, some well established and others not yet settled into routine practice. This report reviews five specific modalities for use in making this assessment, outlining the strengths, weaknesses, and logistical considerations of each with respect to its potential use in clinical settings. In many cases, these studies will provide complementary information regarding pharyngeal function, suggesting the relative advantage of a multimodal evaluation.

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Citations

Feb 22, 2017·Current Gastroenterology Reports·Nitin K Ahuja, John O Clarke
Nov 27, 2018·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·Tiffany H TaftJohn Pandolfino
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Jun 7, 2021·Journal of Manipulative and Physiological Therapeutics·Petr BitnarAlena Kobesova

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