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Schatzki's rings do not protect against acid reflux and may decrease esophageal acid clearance.

George R Winters1, Corinne L Maydonovitch, Roy K H Wong

  • 1Walter Reed Army Medical Center, Gastroenterology Service, Washington, DC 20307-5001, USA.

Digestive Diseases and Sciences
|March 20, 2003
PubMed
Summary
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Schatzki's rings (SR) do not prevent acid reflux. Dilation of these esophageal rings may decrease symptoms and improve acid clearance, particularly when lying down.

Area of Science:

  • Gastroenterology
  • Esophageal Physiology

Background:

  • Schatzki's rings (SR) are a frequent cause of dysphagia.
  • Their relationship with gastroesophageal reflux disease (GERD) remains debated.
  • A common hypothesis suggests SR act as a protective barrier against acid reflux.

Purpose of the Study:

  • To investigate the impact of Schatzki's ring dilation on esophageal acid reflux.
  • To determine if dilating SR alters reflux parameters.

Main Methods:

  • Esophageal manometry and 24-hour pH monitoring were performed on 20 patients.
  • Measurements were taken before and two weeks after esophageal dilation, off medication.
  • Analysis included reflux parameters, symptom scores, and Johnson-DeMeester scores.

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Main Results:

  • No significant changes in overall reflux parameters were observed post-dilation.
  • A trend towards reduced symptom scores was noted in all patients.
  • Thick SR showed a trend towards decreased supine reflux time and Johnson-DeMeester scores after dilation.

Conclusions:

  • Schatzki's rings do not prevent esophageal acid reflux.
  • Dilation may improve symptoms and reduce acid exposure, especially in the supine position.
  • SR might impair esophageal acid clearance, increasing exposure.