METHODS: Patients with an endoscopic diagnosis of duodenal ulcer between 1996 and
2002 were included in the present study. Patients were considered to be negative for H …

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

Abstract Background and Aim: The prevalence of Helicobacter pylori‐negative duodenal
ulcer (DU) is increasing in Western countries but is rare in Japan. We aimed to examine the …

Background: Helicobacter pylori is thought to be a cause of duodenal ulceration, but there is
some evidence that it is found less often in early than in later disease. Aim: To assess the …

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 …

The prevalence of H. pylori infection has beenreported to be very high in duodenal ulcer
(DU) disease, but the precise frequency and causes of H. pylori-negative DU are not well …

The facts that H pylori infection is commoner in duodenal ulcer (DU) patients than in the
normal population, and that eradication results in most cases being cured, have led to the …

OBJECTIVES: Published studies have estimated the rate of Helicobacter pylori (H. pylori)
infection in patients with duodenal ulcer disease to be as high as 95%; the majority of …

AIM: To describe the frequency of H pylori infection among 1000 southern Iranian dyspeptic
patients. METHODS: A prospective study was performed in a referral hospital in south of Iran …

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 …