Outcome of patients with obscure gastrointestinal bleeding after capsule endoscopy: report of 100 consecutive cases.

Background & Aims: Capsule endoscopy (CE) is a promising diagnostic tool for the study of patients with obscure gastrointestinal bleeding. However, the diagnostic yield of this technique has not been adequately studied. We evaluated sensitivity and specificity of CE and the outcome after CE in patients with obscure gastrointestinal bleeding.

Gastroduodenal lesions in polycythaemia vera: frequency and role of Helicobacter pylori.

The prevalence of gastroduodenal lesions is higher in polycythaemia vera (PV) than in the general population. However, the role of Helicobacter pylori (H. pylori) in the pathogenesis of such lesions is unknown.