Flexible laryngoscopy-guided pharyngeal pH monitoring in infants

Seckin O. Ulualp, Sarah Rodriguez, Camysha N. Holmes-Wright

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

OBJECTIVE: To evaluate flexible laryngoscopy-guided pharyngeal pH probe monitoring as an alternative accurate and practical pharyngeal pH probe placement technique to eliminate the need for radiographs and esophageal manometry for pharyngeal pH monitoring in infants with extraesophageal reflux disease (EERD). MATERIALS AND METHODS: Infants with suspected laryngopharyngeal acid reflux (LPR) who underwent pharyngoesophageal pH monitoring were included. Data analysis included description of the flexible laryngoscopy-guided pharyngoesophageal pH monitoring technique and pharyngoesophageal pH monitoring findings, including the number of acid reflux episodes and percent acid exposure time. RESULTS: Six infants (3 boys, 3 girls, age range, 2 wk-7.5 mo) with suspected LPR underwent pharyngoesophageal pH monitoring. Flexible laryngoscopy was used, under direct vision, to guide pH probe placement in the laryngopharyngeal region. The esophageal pH probe was located 5 cm distal to the pharyngeal pH probe. All infants tolerated the procedure. Of the six infants, four had pharyngeal acid reflux, and six had esophageal acid reflux. The number of acid reflux episodes ranged from 4 to 81 in the pharynx and from 5 to 173 in the esophagus. The percentage of acid exposure time was between 0% and 1.2% in the pharynx and between 0.1% and 1.5% in the esophagus. CONCLUSION: With the aid of flexible laryngoscopy, a pH probe can be placed in the laryngopharyngeal region in infants undergoing pharyngeal pH monitoring. Findings documented that not all esophageal acid reflux reach the pharynx. Flexible laryngoscopy-guided pharyngeal pH probe placement can be used to detect LPR in infants with EERD.

Original languageEnglish (US)
Pages (from-to)577-580
Number of pages4
JournalLaryngoscope
Volume117
Issue number4
DOIs
StatePublished - Apr 2007

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Laryngoscopy
Acids
Laryngopharyngeal Reflux
Pharynx
Gastroesophageal Reflux
Esophagus
Manometry

Keywords

  • Esophageal pH monitoring
  • Extraesophageal reflux disease
  • Infant
  • Laryngopharyngeal reflux
  • Laryngoscopy
  • Pharyngeal pH monitoring

ASJC Scopus subject areas

  • Otorhinolaryngology

Cite this

Flexible laryngoscopy-guided pharyngeal pH monitoring in infants. / Ulualp, Seckin O.; Rodriguez, Sarah; Holmes-Wright, Camysha N.

In: Laryngoscope, Vol. 117, No. 4, 04.2007, p. 577-580.

Research output: Contribution to journalArticle

Ulualp, Seckin O. ; Rodriguez, Sarah ; Holmes-Wright, Camysha N. / Flexible laryngoscopy-guided pharyngeal pH monitoring in infants. In: Laryngoscope. 2007 ; Vol. 117, No. 4. pp. 577-580.
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