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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...
Pathophysiology of Peptic Ulcer Disease: Injurious Factors01:22

Pathophysiology of Peptic Ulcer Disease: Injurious Factors

Peptic ulcers are sores on the stomach's inner lining and the upper small intestine, which are the result of disruptions in the mucosal layer that houses parietal cells which produce gastric acid, and chief cells which secrete pepsinogen.
In the antrum region, G cells secrete the gastrin hormone that binds to gastrin-cholecystokinin-B (CCK2) receptors on parietal and enterochromaffin-like (ECL) cells in the fundic glands. Simultaneously, the vagus nerve releases acetylcholine, which binds to M3...
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...
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,...

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Sequential Organ Failure Assessment (SOFA) to Predict Pressure Ulcer Risk in Intensive Care Patients: A Retrospective Cohort Study.

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Therapeutic hypothermia and pressure ulcer risk in critically ill intensive care patients: A retrospective study.

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Critical Evaluation of the Jackson/Cubbin Pressure Ulcer Risk Scale - A Secondary Analysis of a Retrospective Cohort Study Population of Intensive Care Patients.

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Related Experiment Video

Updated: Jun 13, 2026

Mouse Model of Pressure Ulcers After Spinal Cord Injury
06:51

Mouse Model of Pressure Ulcers After Spinal Cord Injury

Published on: March 9, 2019

[Pressure ulcer--occurrence, pathophysiology and prevention].

Esa Soppi1

  • 1Carital Group, Tuusula.

Duodecim; Laaketieteellinen Aikakauskirja
|April 21, 2010
PubMed
Summary

Preventing pressure ulcers, which affect 5-15% of patients, is crucial. These painful ulcers increase infection risk and costs, making prevention more cost-effective than treatment.

Area of Science:

  • Wound healing research
  • Patient care outcomes

Context:

  • Pressure ulcers affect 5-15% of patients across various healthcare settings.
  • These ulcers significantly decrease quality of life and increase mortality risk.
  • High incidence necessitates effective prevention strategies.

Purpose:

  • To highlight the complex pathogenesis of pressure ulcers.
  • To emphasize the economic and clinical burden of pressure ulcers.
  • To underscore the importance and challenge of pressure ulcer prevention.

Summary:

  • Pressure ulcers are a common and costly complication in healthcare.
  • Their development involves intricate pathogenetic mechanisms.
  • Despite complexity, prevention is achievable and preferable to treatment.

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

Published on: February 16, 2024

A Standardized Procedure of Dressing Management for Toxic Epidermal Necrolysis
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A Standardized Procedure of Dressing Management for Toxic Epidermal Necrolysis

Published on: March 14, 2025

Related Experiment Videos

Last Updated: Jun 13, 2026

Mouse Model of Pressure Ulcers After Spinal Cord Injury
06:51

Mouse Model of Pressure Ulcers After Spinal Cord Injury

Published on: March 9, 2019

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

A Standardized Procedure of Dressing Management for Toxic Epidermal Necrolysis
07:22

A Standardized Procedure of Dressing Management for Toxic Epidermal Necrolysis

Published on: March 14, 2025

Impact:

  • Reduced patient suffering and improved quality of life.
  • Lower healthcare costs associated with ulcer treatment.
  • Decreased nursing workload and infection rates.