Pathogenesis and therapy of peptic ulcer disease.

Abstract:

:The epithelial cells of the stomach and duodenum are normally protected from the damaging effects of acid and pepsin by a balancing mechanism of mucosal resistance. If an imbalance occurs, peptic ulcer may result. Traditional teaching has emphasized the importance of acid (and pepsin) as the cause of this imbalance; however, it is clear that acid and pepsin are not the only important factors in the pathogenesis of peptic ulcer. More recent investigative efforts have been directed at what constitutes mucosal resistance and how it can be disrupted to produce, in the presence of gastric acid, a peptic ulcer. Depletion of endogenous prostaglandins and Helicobacter pylori gastritis have emerged as prominent theories. As evidence exists both to support and refute these theories in humans, any definitive conclusions cannot be made at this time. The acute management of peptic ulcer disease is directed at relieving pain, accelerating ulcer healing, and preventing complications. Peptic ulcers can be healed with antisecretory agents (i.e., H2-receptor antagonists, omeprazole), antacids, prostaglandins, and sucralfate. Because they are effective, safe, and convenient, the H2-receptor antagonists are the most widely used agents for the management of peptic ulcer disease. Because the H2-receptor antagonist agents are equally effective in their indicated uses and are equally safe based on scientifically valid data, selection should be based primarily on cost. Omeprazole is the newest antisecretory agent: a single morning dose of 20 mg suppresses acid secretion for 24 h. The agent offers little advantage over H2-receptor antagonists for the majority of patients with peptic ulcer.(ABSTRACT TRUNCATED AT 250 WORDS)

journal_name

J Clin Gastroenterol

authors

Peterson WL

doi

10.1097/00004836-199000000-00002

subject

Has Abstract

pub_date

1990-01-01 00:00:00

pages

S1-6

eissn

0192-0790

issn

1539-2031

journal_volume

12 Suppl 2

pub_type

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