The proportion of ulcer patients without evidence of Helicobacter pylori infection varies
considerably in different parts of the world, which may be explained by the different …

Most patients with peptic ulcers are infected with Helicobacter pylori., but the infection may
not be responsible for the ulcer. It is increasingly recognized that different causes of ulcers …

It is unclear whether Helicobacter pylori infection is essential to the development of peptic
ulcers. In this study, we examined the rates of H. pylori-negativity among patients with peptic …

Most patients with chronic duodenal ulcer (DU) craters have gastritis associated with
Helicobacter pylori (HP), now thought to be the major cause of DU. A smaller proportion of …

The role of Helicobacter pylori in the pathogenesis of duodenal and gastric ulcer and ulcer
recurrence is widely known. Bleeding, perforation, and obstruction represent the most …

A vast majority of ulcers of the stomach and duodenum are due to H pylori infection or
nonsteroidal anti-inflammatory drug (NSAID) usage. In patients with apparent H pylori …

Aliment Pharmacol Ther 30, 791–815 Summary Background Helicobacter pylori infection
rates in duodenal ulcer (DU) patients may be lower than previously estimated. Aim To …

Although the vast majority of peptic ulcers are widely considered as related to the germ
Helicobacter pylori, ulcers exhibiting absence of this infection are increasingly seen in …

OBJECTIVE: The proportion of Helicobacter pylori–negative duodenal ulcer disease
appears to be increasing. Data on clinical outcome and prognosis in this subgroup are …

All patients with documented, past or present gastric or duodenal ulcers and who are
infected with Helicobacter pylori should undergo antimicrobial therapy to eradicate it. Data …