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Related Concept Videos

Peptic Ulcer Disease I: Introduction01:30

Peptic Ulcer Disease I: Introduction

Peptic Ulcer Disease (PUD) is characterized by mucosal excavation in the esophagus, stomach, pylorus, or duodenum. It can manifest as acute or chronic based on the extent and duration of mucosal involvement.
An acute ulcer, marked by superficial erosion and minimal inflammation, swiftly resolves upon identifying and addressing the underlying cause. In contrast, a chronic ulcer persists, potentially eroding through the muscular wall and forming fibrous tissue.
Peptic ulcers can also be...
Peptic Ulcer Disease I: Introduction01:25

Peptic Ulcer Disease I: Introduction

Peptic ulcer disease (PUD) involves breaks in the gastrointestinal tract's mucosal lining, primarily in the stomach and duodenum, with less frequent occurrences in the lower esophagus or near the pylorus.Ulcers can be acute or chronic. Acute ulcers are short-lived with minimal inflammation and heal quickly after the irritant is removed. Chronic ulcers persist, may recur, and often cause scarring due to ongoing tissue damage. Superficial erosions affect only the mucosal layer and are called...
Peptic Ulcer Disease II: Pathophysiology01:24

Peptic Ulcer Disease II: Pathophysiology

Peptic ulcer disease develops when protective mechanisms of the gastrointestinal mucosa are overwhelmed by harmful factors, leading to localized erosions in the stomach or proximal duodenum. The main causes are Helicobacter pylori infection and chronic use of nonsteroidal anti-inflammatory drugs (NSAIDs).Helicobacter pylori–Induced InjuryBacterial Adaptation and Colonization:H. pylori is a spiral, Gram-negative bacterium adapted to the acidic stomach. and transmitted through oral-oral or...
Peptic Ulcer Disease II: Pathophysiology01:28

Peptic Ulcer Disease II: Pathophysiology

Peptic Ulcer Disease (PUD) is characterized by the development of ulcers in the stomach or duodenal mucosa. Its pathophysiology is complex, involving a balance between damaging and protective elements.
Damaging agents such as Helicobacter pylori, gastric acid, pepsin, and nonsteroidal anti-inflammatory drugs (NSAIDs) can weaken the mucosal defense, allowing hydrogen ions to infiltrate back and harm epithelial cells.
Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors01:24

Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors

Peptic ulcer disease, commonly called PUD, represents a multifaceted condition characterized by disruptions in the lining of the gastrointestinal (GI)  tract. Central to the protection of the gastrointestinal lining is the mucosal-bicarbonate barrier. This physiological defense mechanism is a formidable shield against the corrosive effects of gastric acid and pepsin secretion in the stomach. Its role is pivotal in maintaining the structural integrity of the stomach's inner lining. Bicarbonate,...
Peptic Ulcer01:27

Peptic Ulcer

Peptic ulcers are erosive lesions of the gastric or duodenal lining, most commonly caused by Helicobacter pylori infection. This Gram-negative, helical bacterium has adapted to survive the stomach’s acidic environment by producing urease, which converts urea into ammonia and carbon dioxide. The ammonia neutralizes gastric acid in the bacterium’s immediate environment, allowing colonization of the gastric mucosa. H. pylori attaches to mucus-secreting epithelial cells, penetrates the mucus...

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Peptic ulcer disease.

Current opinion in gastroenterology·2006
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The management of peptic ulcer disease.

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Related Experiment Video

Updated: Jul 19, 2026

Establishment and Evaluation of a Risk Prediction Model for Pathological Escalation of Gastric Low-Grade Intraepithelial Neoplasia
03:05

Establishment and Evaluation of a Risk Prediction Model for Pathological Escalation of Gastric Low-Grade Intraepithelial Neoplasia

Published on: February 16, 2024

Peptic ulcer disease.

Japie A Louw1, I N Solly Marks

  • 1Division of Gastroenterology, Hotel Dieu Hospital, Kingston, Ontario, Canada.

Current Opinion in Gastroenterology
|October 13, 2006
PubMed
Summary

Helicobacter pylori infection management guidelines are available, with evidence supporting its role in gastric cancer. Elderly patients are vulnerable to peptic ulcer disease (PUD) complications, especially when using NSAIDs.

Area of Science:

  • Gastroenterology
  • Internal Medicine
  • Epidemiology

Background:

  • The Maastricht 2-2000 document offers guidance on Helicobacter pylori (H. pylori) infection management, primarily in Europe.
  • Emerging evidence supports the role of H. pylori in gastric carcinogenesis.
  • Studies emphasize the heightened risk of peptic ulcer disease (PUD) and its complications in the elderly, particularly with nonsteroidal anti-inflammatory drug (NSAID) use.

Purpose of the Study:

  • To review the management of H. pylori infection.
  • To explore the risk factors for peptic ulcer disease (PUD), including H. pylori and NSAIDs.
  • To assess the impact of new therapeutic agents like esomeprazole.

Main Methods:

  • Review of existing literature and clinical studies.

Related Experiment Videos

Last Updated: Jul 19, 2026

Establishment and Evaluation of a Risk Prediction Model for Pathological Escalation of Gastric Low-Grade Intraepithelial Neoplasia
03:05

Establishment and Evaluation of a Risk Prediction Model for Pathological Escalation of Gastric Low-Grade Intraepithelial Neoplasia

Published on: February 16, 2024

  • Meta-analysis of studies investigating H. pylori and NSAID effects.
  • Examination of epidemiological data on PUD and its risk factors.

    • Main Results:

    • H. pylori is implicated in gastric carcinogenesis.
    • Elderly patients face increased vulnerability to PUD and its complications.
    • A synergistic effect between H. pylori and NSAIDs in PUD development is suggested by meta-analyses and clinical studies.
    • Cyclooxygenase-2 (COX 2)-selective NSAIDs may be associated with increased cardiovascular event risk.

    Conclusions:

    • H. pylori management guidelines exist, but their application requires ongoing evaluation.
    • NSAID use, especially in the elderly, necessitates careful consideration due to PUD risks.
    • The combined role of H. pylori and NSAIDs as synergistic risk factors for PUD warrants further investigation.
    • Esomeprazole offers a new therapeutic option, but its long-term clinical value is yet to be fully established.