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Updated: Jul 16, 2026
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Gastric Mucosa Quantitative Polymerase Chain Reaction Analysis for Detecting Helicobacter pylori and Antibiotic Resistance
Published on: March 7, 2025
Helicobacter pylori and benign upper digestive disease
1Department of Medicine and Therapeutics, Institute of Digestive Disease, The Chinese University of Hong Kong, Prince of Wales Hospital, 30-32 Ngan Shing Street, Shatin, NT, Hong Kong SAR, China.
Best Practice & Research. Clinical Gastroenterology
|March 27, 2007
Summary
Eradicating Helicobacter pylori (H. pylori) infection effectively heals ulcers and prevents recurrence. Clearing H. pylori also offers protection against NSAID-related mucosal injury, though it may complicate reflux symptom management.
Area of Science:
- Gastroenterology
- Microbiology
Background:
- Helicobacter pylori infection leads to hypochlorhydria and gastritis.
- Chronic inflammation and altered acid secretion contribute to peptic ulcers.
Purpose of the Study:
- To evaluate the impact of H. pylori eradication on ulcer healing and recurrence.
- To assess the effect of H. pylori clearance on NSAID/aspirin-induced mucosal injury.
- To explore the relationship between H. pylori and gastro-oesophageal reflux disease (GERD) and non-ulcer dyspepsia.
Main Methods:
- Observational analysis of clinical outcomes following H. pylori eradication.
- Comparison of ulcer healing rates with and without acid suppression.
- Assessment of mucosal injury in NSAID/aspirin users before and after H. pylori treatment.
- Evaluation of reflux symptoms and dyspepsia in relation to H. pylori status.
Main Results:
- Successful H. pylori eradication leads to healing of non-NSAID ulcers without acid suppression and reduces recurrence.
- H. pylori clearance decreases mucosal injury in NSAID and aspirin users, particularly in NSAID-naïve individuals.
- H. pylori is not a likely cause of GERD, but eradication may worsen reflux control.
- Treatment offers modest symptom improvement for non-ulcer dyspepsia.
Conclusions:
- H. pylori eradication is crucial for healing and preventing peptic ulcers.
- Clearing H. pylori infection provides significant gastroprotection against NSAID/aspirin-induced damage.
- The role of H. pylori in GERD and non-ulcer dyspepsia is limited, with potential for symptom exacerbation in reflux cases upon eradication.
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