Critical issues in the pathophysiology and management of peptic ulcer disease.

OBJECTIVE: To discuss some of the critical issues in the pathophysiology and management of peptic ulcer disease. OPINION: Peptic ulcer disease has multiple causes, although gastric acid has traditionally been considered the primary aggressive factor. Helicobacter pylori infection is established as a major causative factor, but some aspects of the mechanisms by which H. pylori causes peptic ulceration remain unclear. Treatment with proton pump …