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Dig Liver Dis. 2000 Jun-Jul;32(5):372-7.

Manometric and pH-metric features in gastro-oesophageal reflux disease patients with and without Helicobacter pylori infection.

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Department of Gastroenterology, Cardarelli Hospital, Naples, Italy.



The role of Helicobacter pylori in the pathogenesis and evolution of gastro-oesophageal reflux disease is still debated.


To investigate the impact of Helicobacter pylori infection on the oesophageal function and on intra-gastric and intra-oesophageal pH in patients with gastro-oesophageal reflux.


Fifty patients with non-complicated-gastro-oesophageal reflux disease classified according to Savary-Miller in: grade O, n=24; grade 1, n=19; grade 2, n=6; grade 3, n=1. Of these patients, 24 were Helicobacter pylori positive and 26 negative. Patients underwent, on two different days, stationary oesophageal manometry and 24-hour gastro-oesophageal pH-metry.


No difference was observed between Helicobacter pylori infected and non-infected individuals with regard to lower oesophageal sphincter function, oesophageal peristalsis and gastrooesophageal reflux. These parameters were more impaired in individuals with erosive gastro-oesophageal reflux disease but this result was not dependent on the Helicobacter pylori status. Helicobacter pylori did not influence the pattern of gastric pH; however, considering only individuals with non-erosive gastro-oesophageal reflux disease, gastric pH was significantly higher in infected individuals, who, histologically, also showed a corpus predominant gastritis.


In patients with gastro-oesophageal reflux disease, Helicobacter pylori does not affect the oesophageal motility or the gastro-oesophageal reflux. These parameters are strictly related to the severity of gastro-oesophageal reflux disease as assessed at endoscopy. In patients with non-erosive gastro-oesophageal reflux disease, a corpus predominant Helicobacter pylori gastritis could be responsible for the less severe gastro-oesophageal reflux.

[Indexed for MEDLINE]

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