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Related Concept Videos

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.
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 III: Clinical Manifestations and Complications01:25

Peptic Ulcer Disease III: Clinical Manifestations and Complications

Duodenal UlcersDuodenal ulcers are the most common form of peptic ulcer disease, presenting with chronic, intermittent epigastric pain. Pain typically appears 2–3 hours after meals, especially when the stomach is empty, often waking patients at night. It is characteristically relieved by food or antacids (“pain–food–relief”). Some patients remain asymptomatic until complications like bleeding or perforation emerge, particularly with NSAID or anticoagulant use.Gastric UlcersGastric ulcers share...
Drugs for Peptic Ulcer Disease: Sucralfate as Mucosal Protective Agents01:24

Drugs for Peptic Ulcer Disease: Sucralfate as Mucosal Protective Agents

In the intricate landscape of the gastric lumen, excessive acid secretion disrupts the natural defense mechanisms, weakening the mucus-bicarbonate barrier. This vulnerability allows pepsin to infiltrate epithelial cells, digesting mucosal proteins and triggering erosion, leading to ulcer formation.
In this scenario, mucosal protective agents like sucralfate play an essential role. Sucralfate, a complex of sulfated sucrose and aluminum hydroxide, demonstrates its usefulness in acidic conditions,...
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 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...

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Related Experiment Video

Updated: May 10, 2026

A Novel Method for the Culture and Polarized Stimulation of Human Intestinal Mucosa Explants
06:38

A Novel Method for the Culture and Polarized Stimulation of Human Intestinal Mucosa Explants

Published on: May 1, 2013

[Martorell ulcer].

Nicolas Kluger1, Virve Koljonen, Patricia Senet

  • 1HYKS Iho- ja allergiasairaala.

Duodecim; Laaketieteellinen Aikakauskirja
|June 18, 2013
PubMed
Summary
This summary is machine-generated.

Martorell ulcer, a type of hypertensive leg ulcer, affects older adults with uncontrolled hypertension. This painful, necrotic leg ulcer requires specific management including pain control and hypertension treatment for healing.

Related Experiment Videos

Last Updated: May 10, 2026

A Novel Method for the Culture and Polarized Stimulation of Human Intestinal Mucosa Explants
06:38

A Novel Method for the Culture and Polarized Stimulation of Human Intestinal Mucosa Explants

Published on: May 1, 2013

Area of Science:

  • Dermatology
  • Vascular Medicine
  • Wound Healing

Context:

  • Martorell ulcer, also known as hypertensive leg ulcer, is an uncommon yet significant cause of leg ulcers.
  • It accounts for up to 15% of leg ulcers requiring hospitalization in dermatology departments.
  • This condition primarily affects individuals aged 40-85 with a history of poorly controlled hypertension and sometimes diabetes.

Purpose:

  • To describe the clinical characteristics, diagnosis, and management of Martorell ulcer.
  • To highlight its prevalence among hospitalized leg ulcer patients.
  • To emphasize the importance of recognizing this specific ulcer type for effective treatment.

Summary:

  • Martorell ulcer presents as a characteristically painful, slowly progressing, superficial necrotic ulcer with a purpuric rim.
  • Diagnosis is typically clinical, with skin biopsies reserved for atypical presentations.
  • Management strategies involve aggressive pain management, wound debridement, potential skin grafting, and crucial hypertension control.

Impact:

  • Improved recognition of Martorell ulcer can lead to more timely and appropriate treatment.
  • Effective hypertension management is key to preventing ulcer recurrence and promoting healing.
  • Understanding this condition aids dermatologists and vascular specialists in managing challenging leg ulcers.