Proximal pH testing for laryngopharyngeal reflux

Umashankkar Kannan, Krzystof M. Nowak, Subhash Kini

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

Laryngopharyngeal reflux (LPR) is an inflammatory condition of the pharynx and larynx resulting from reflux of gastroduodenal contents. LPR presents with multiple symptoms and signs that are not pathognomonic of the disease and overlap with other laryngeal disorders. The objective tests to diagnose LPR include the following: (1) oropharyngeal pH monitoring, (2) pepsin detection in the oropharynx, and (3) multichannel intraluminal impedance (MII)-pH monitoring. Despite the availability of these tests, there is no consensus on standard diagnostic criteria. The diagnosis of LPR is made after reviewing the medical history, analyzing symptoms and signs, and interpreting diagnostic tests. Attention needs to be paid to exclude any potential overlapping laryngeal disorders.

Original languageEnglish
Title of host publicationThe SAGES Manual of Physiologic Evaluation of Foregut Diseases
PublisherSpringer International Publishing
Pages207-214
Number of pages8
ISBN (Electronic)9783031391996
ISBN (Print)9783031391989
DOIs
StatePublished - 12 Oct 2023
Externally publishedYes

Keywords

  • Laryngopharyngeal reflux (LPR)
  • Oropharyngeal pH
  • Pepsin
  • Restech

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