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Risk factors involved in patients with bleeding peptic ulcers: a case-control study
Sesha S Uppalapati1, James D Boylan, Jill Stoltzfus
1Department of Internal Medicine, St. Luke's Hospital, 801 Ostrum Street, Bethlehem, PA 18015, USA. spandana_us@yahoo.com
Digestive Diseases and Sciences
|July 24, 2008
Summary
Nonsteroidal anti-inflammatory drug use is a significant risk factor for bleeding peptic ulcer disease. The urease test is a cost-effective method for diagnosing Helicobacter pylori infection, reducing the need for biopsies.
Area of Science:
- Gastroenterology
- Clinical Medicine
- Epidemiology
Background:
- Peptic ulcer disease (PUD) poses significant health risks, with bleeding being a major complication.
- Identifying risk factors and effective diagnostic methods for Helicobacter pylori (H. pylori) infection is crucial for patient management.
Purpose of the Study:
- To identify risk factors for bleeding in peptic ulcer disease patients.
- To determine the association between risk factors and bleeding ulcers.
- To analyze the cost-effectiveness of Helicobacter pylori diagnostic tests.
Main Methods:
- A case-control study involving 230 patients (128 bleeding PUD, 102 non-bleeding PUD).
- Assessment of H. pylori infection using urease test and gastric antrum biopsy.
- Statistical analysis to identify risk factors and their associations.
Main Results:
- Nonsteroidal anti-inflammatory drug (NSAID) use was significantly higher in bleeding PUD patients (P < 0.001).
- H. pylori infection rates were lower in bleeding PUD patients (P < 0.05).
- The urease test demonstrated high specificity (99.7%) and acceptable sensitivity (75%) for H. pylori detection, proving cost-effective.
Conclusions:
- NSAID use is a key predictor of bleeding in peptic ulcer disease.
- The urease test is a reliable and cost-effective diagnostic tool for H. pylori, negating the need for confirmatory biopsy.
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01:30Peptic 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...
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...
01:25Peptic 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...
01:27Peptic 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...
01:25Peptic Ulcer Disease III: Clinical Manifestations and Complications
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01:28Peptic 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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