Mapping regional laryngopharyngeal mechanoreceptor response

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Objectives. To map mechanoreceptor response in various regions of the laryngopharynx.

Methods. Five patients with suspected laryngopharyngeal reflux and six healthy control subjects underwent stimulation of mechanoreceptors in the hypopharynx, interarytenoid area, arytenoids, aryepiglottic folds, and pyriform sinuses. The threshold stimuli evoking sensation and eliciting laryngeal adductor reflex were recorded.

Results. In controls, an air pulse with 2 mmHg pressure evoked mechanoreceptor response in all regions, except bilateral aryepiglottic folds of one control. In patients, stimulus intensity to elicit mechanoreceptor response ranged between 2 mmHg and 10 mmHg and varied among the regions. Air pulse intensity differed between right and left sides of laryngopharyngeal regions in the majority of patients.

Conclusion. Laryngopharyngeal mechanoreceptor response was uniform among regions and subjects in the healthy group. Patients with suspected laryngopharyngeal reflux showed inter- and intra-regional variations in mechanoreceptor response. Laryngopharyngeal sensory deficit in patients with suspected laryngopharyngeal reflux is not limited to aryepiglottic folds.

Original languageEnglish (US)
Pages (from-to)319-323
Number of pages5
JournalClinical and Experimental Otorhinolaryngology
Volume7
Issue number4
DOIs
StatePublished - Dec 1 2014

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Mechanoreceptors
Laryngopharyngeal Reflux
Hypopharynx
Healthy Volunteers
Air
Pyriform Sinus
Reflex
Pressure

Keywords

  • Laryngeal mechanoreceptor
  • Laryngopharyngeal reflux
  • Laryngopharyngeal sensation

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Surgery

Cite this

Mapping regional laryngopharyngeal mechanoreceptor response. / Ulualp, Seckin O.

In: Clinical and Experimental Otorhinolaryngology, Vol. 7, No. 4, 01.12.2014, p. 319-323.

Research output: Contribution to journalArticle

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