Esophageal motor function in laryngopharyngeal reflux is superior to that in classic gastroesophageal reflux disease

Gregory N Postma, Peter C. Belafsky, Michael S. Tomek, James A. Koufman

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

Laryngopharyngeal reflux (LPR) in otolaryngology patients appears to be different from classic gastroesophageal reflux disease (GERD). In particular, esophagitis and its principal symptom, heartburn, considered the diagnostic sine qua non of GERD, are often absent in LPR. It has therefore been postulated that LPR patients have superior esophageal function. Esophageal acid clearance (EAC) is a measure of the ability of the esophagus to restore neutral pH after reflux events have occurred. It is considered an excellent overall measure of esophageal function. The mean EAC can be calculated from 24-hour pH monitoring data. A comparison of EAC in patients with GERD and LPR has not been previously reported. To compare the EAC of 1) patients with LPR alone, 2) patients with GERD alone, 3) patients with both LPR and GERD, and 4) patients without either LPR or GERD, we studied 200 otolaryngological patients who had undergone 24-hour double-probe (simultaneous pharyngeal and distal esophageal) pH monitoring, 50 in each group. The subgrouping of each patient was determined by previously established pH monitoring criteria. We defined GERD as abnormal esophageal reflux and LPR as abnormal pharyngeal reflux. The patients with GERD had a mean (±SD) EAC of 1.44 ± 1.2 minutes, and those with LPR had a mean EAC of 1.00 ± 1.00 minutes (p <.05). The patients with both GERD and LPR had a mean EAC of 1.53 ± 1.01 minutes. The patients without reflux had a mean EAC of 0.53 ± 0.38 minutes. We conclude that patients with LPR have significantly better EAC than those with GERD. These data suggest that patients with LPR have superior esophageal function. This finding may clarify our understanding of the differences in mechanisms, symptoms, and incidence of esophagitis in patients with LPR and GERD.

Original languageEnglish (US)
Pages (from-to)1114-1116
Number of pages3
JournalAnnals of Otology, Rhinology and Laryngology
Volume110
Issue number12
DOIs
StatePublished - Jan 1 2001
Externally publishedYes

Fingerprint

Laryngopharyngeal Reflux
Gastroesophageal Reflux
Acids
Esophagitis
Esophageal pH Monitoring
Heartburn

Keywords

  • Esophageal acid clearance
  • Esophagus
  • Gastroesophageal reflux
  • Laryngopharyngeal reflux
  • Reflux

ASJC Scopus subject areas

  • Otorhinolaryngology

Cite this

Esophageal motor function in laryngopharyngeal reflux is superior to that in classic gastroesophageal reflux disease. / Postma, Gregory N; Belafsky, Peter C.; Tomek, Michael S.; Koufman, James A.

In: Annals of Otology, Rhinology and Laryngology, Vol. 110, No. 12, 01.01.2001, p. 1114-1116.

Research output: Contribution to journalArticle

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