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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 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...
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies01:28

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies

Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
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.

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Related Experiment Video

Updated: Jun 13, 2026

Gastric Point of Care Ultrasound in Adults: Image Acquisition and Interpretation
05:50

Gastric Point of Care Ultrasound in Adults: Image Acquisition and Interpretation

Published on: September 22, 2023

A Conceptual Bi-Dimensional Risk Assessment Framework in Bleeding Peptic Ulcers.

Lodovica Langellotti1, Flavio Tirelli2, Francesca Mangiola3,4

  • 1UOC Chirurgia Digestiva, Fondazione Policlinico Universitario "Agostino Gemelli" IRCCS, 00168 Rome, Italy.

Journal of Clinical Medicine
|June 12, 2026
PubMed
Summary
This summary is machine-generated.

Peptic ulcer bleeding risk stratification needs improvement. A new framework combines endoscopic and anatomical factors to identify high-risk patients for better management of gastrointestinal bleeding.

Keywords:
Forrest classificationpenetrating ulcerpeptic ulcer bleedingrebleedingrisk stratificationtranscatheter arterial embolization

Related Experiment Videos

Last Updated: Jun 13, 2026

Gastric Point of Care Ultrasound in Adults: Image Acquisition and Interpretation
05:50

Gastric Point of Care Ultrasound in Adults: Image Acquisition and Interpretation

Published on: September 22, 2023

Area of Science:

  • Gastroenterology
  • Medical Imaging
  • Surgical Oncology

Background:

  • Peptic ulcer disease is a primary cause of non-variceal upper gastrointestinal bleeding.
  • Recurrent bleeding leads to significant morbidity and mortality despite current treatments.
  • The Forrest classification for endoscopic risk stratification has limitations in predicting clinical outcomes.

Purpose of the Study:

  • To propose a novel bi-dimensional framework for assessing peptic ulcer bleeding risk.
  • To integrate endoscopic findings with anatomical factors for improved patient stratification.
  • To identify a subgroup of patients at "very-high-risk" for recurrent bleeding.

Main Methods:

  • Conceptual review integrating existing evidence on endoscopic and anatomical factors.
  • Development of a bi-dimensional risk stratification framework.
  • Hypothesis generation for future validation studies.

Main Results:

  • Traditional endoscopic assessment (Forrest classification) may not fully capture bleeding risk.
  • Ulcer size, location, and depth, especially near arteries, are crucial anatomical determinants.
  • A combined endoscopic-anatomical approach can identify patients needing more intensive management.

Conclusions:

  • A bi-dimensional framework offers a more comprehensive approach to peptic ulcer bleeding risk stratification.
  • This framework may guide individualized management strategies, including early imaging and potential transarterial embolization.
  • Further validation studies are needed to confirm the clinical utility of this hypothesis-generating model.