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Related Experiment Video

Updated: Jul 8, 2026

Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring

Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring

Published on: December 14, 2020

Heartburn--the acid test.

B Joelsson¹, F Johnsson

¹Department of Surgery, Lund University, Sweden.

|November 1, 1989

Summary

This summary is machine-generated.

Gastro-oesophageal reflux symptoms, like heartburn, correlate with oesophageal acid exposure. This relationship holds true for patients with and without oesophagitis, confirming acid exposure as a key factor.

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Area of Science:

Gastroenterology
Digestive Health

Background:

Gastro-oesophageal reflux disease (GERD) is characterized by symptoms like heartburn and acid regurgitation.
The precise relationship between symptom severity and oesophageal acid exposure requires further elucidation.

Purpose of the Study:

To investigate the correlation between the frequency of gastro-oesophageal reflux symptoms and the degree of oesophageal acid exposure.
To assess this relationship in patients with and without oesophagitis.

Main Methods:

A comparative study involving 190 patients referred for reflux symptoms (heartburn, acid regurgitation).
Comparison group comprised 50 healthy subjects without reflux symptoms.
Assessment of oesophageal acid exposure in all participants.

Main Results:

A clear relationship was identified between the frequency of reflux symptoms and the level of oesophageal acid exposure.
This correlation was observed consistently in both patient groups: those with oesophagitis and those without.

Conclusions:

The frequency of gastro-oesophageal reflux symptoms is directly related to the degree of oesophageal acid exposure.
Oesophageal acid exposure is a significant determinant of symptom experience in patients with reflux conditions.