Related Experiment Video
Updated: Jun 25, 2026

One-step Negative Chromatographic Purification of Helicobacter pylori Neutrophil-activating Protein Overexpressed in Escherichia coli in Batch Mode
Published on: June 18, 2016
Non-NSAID non-H. pylori ulcer disease
Dorothy K L Chow1, Joseph J Y Sung
1Institute of Digestive Disease, The Chinese University of Hong Kong, Department of Medicine and Therapeutics, Prince of Wales Hospital, Hong Kong.
Abstract:
Non-NSAID non-Helicobacter pylori ulcer disease, which was believed to account for a minority of bleeding gastroduodenal ulcers, has been increasingly recognized for the past decade. Current data suggest that both relative proportion and actual numbers of patients with non-NSAID non-H. pylori ulcers have increased, whereas the prevalence of H. pylori-positive ulcers has declined. There is evidence to support that non-NSAID non-H. pylori ulcers associate with a higher risk of recurrent ulcer bleeding and a higher overall mortality as compared to H. pylori-positive ulcer disease. Patients with non-NSAID non-H. pylori ulcers are often older, sicker and more frequently experience bleeding episodes while in hospital. The pathogenesis of non-NSAID non-H. pylori ulcer is largely unknown and the efficacy of acid suppressants in the management and prevention of the disease remains to be defined. Well-designed, large-scale studies are awaited to shed light on this emerging condition.
More Related Videos
05:23Gastric Mucosa Quantitative Polymerase Chain Reaction Analysis for Detecting Helicobacter pylori and Antibiotic Resistance
Published on: March 7, 2025
03:05Establishment and Evaluation of a Risk Prediction Model for Pathological Escalation of Gastric Low-Grade Intraepithelial Neoplasia
Published on: February 16, 2024
Related Concept Videos
Peptic Ulcer Disease II: Pathophysiology
Peptic Ulcer Disease II: Pathophysiology
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 IV: Management
The therapeutic approach involves ensuring adequate rest, implementing drug therapy, promoting smoking cessation, making dietary modifications, and emphasizing long-term follow-up care.
Pharmacological management
The prevailing therapy for peptic ulcers involves a combination of managing the patient's current medication...
Peptic Ulcer Disease I: Introduction
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: Introduction
Acid Suppressive Drugs for Peptic Ulcer Disease: Proton Pump Inhibitors
Gastric acid, a potent cocktail of hydrogen and chloride ions, is produced in specialized parietal cells within the...