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Aliment Pharmacol Ther. 1997 Jun;11(3):483-6.

The effect of decaffeination of coffee on gastro-oesophageal reflux in patients with reflux disease.

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1
Department of Gastroenterology, Hospital Bogenhausen, Munich, Germany.

Abstract

BACKGROUND:

Patients with reflux disease often complain of heartburn after ingestion of coffee. Induction of gastro-oesophageal reflux has been demonstrated by pH-metry following the intake of coffee in healthy volunteers. The reflux was reduced when the coffee had undergone a decaffeination process. The aim of this study was to investigate the effect of decaffeination of coffee on reflux in patients with reflux disease.

METHODS:

Seventeen reflux patients underwent two osesophageal 3-h pH measurements. The patients received, in a double-blind study design in a randomized order, 300 mL of either regular or decaffeinated coffee together with a standardized breakfast. The fraction time oesophageal pH < 4 was calculated during the three postprandial hours.

RESULTS:

For regular coffee the fraction time was calculated to a median of 17.9% with a range of 0.7-56.6%. The fraction time was significantly reduced to 3.1% (0-49.9%) after ingestion of decaffeinated coffee.

CONCLUSION:

The amount of gastro-oesophageal reflux induced by the intake of regular coffee in patients with reflux disease can be reduce by the decaffeination of coffee.

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