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A 20-minute breath test for helicobacter pylori
B J Marshall1, M W Plankey, S R Hoffman
1Department of Internal Medicine, University of Virginia Health Sciences Center, Charlottesville.
The American Journal of Gastroenterology
|April 1, 1991
Summary
This study validates a rapid 14C-urea breath test for diagnosing Helicobacter pylori infection. The test demonstrates high sensitivity and specificity, offering a convenient and cost-effective diagnostic tool.
Area of Science:
- Gastroenterology
- Medical Diagnostics
- Nuclear Medicine
Background:
- Helicobacter pylori (H. pylori) infection is a significant cause of peptic ulcers and gastric cancer.
- Accurate and rapid diagnostic methods are crucial for effective H. pylori management.
- Existing diagnostic methods can be invasive or time-consuming.
Purpose of the Study:
- To evaluate the diagnostic performance of a simplified, rapid 14C-urea breath test for H. pylori detection.
- To assess the sensitivity, specificity, and practicality of this novel breath test.
Main Methods:
- A simplified 14C-urea breath test was administered to fasting patients.
- Breath samples were collected at 30-minute intervals post-ingestion.
- Results were compared with endoscopy, biopsy, culture, and histology for H. pylori confirmation.
Main Results:
- The 20-minute 14C-urea breath test achieved 97% sensitivity and 100% specificity for H. pylori detection.
- H. pylori-positive patients showed significantly higher 14C-urea exhalation compared to negative patients.
- Radiation exposure was minimal, less than 1% of an upper gastrointestinal series.
Conclusions:
- The simplified rapid 14C-urea breath test is a highly sensitive and specific method for diagnosing H. pylori infection.
- The test is convenient, cost-effective, and involves minimal radiation exposure.
- This rapid breath test offers a valuable alternative for H. pylori diagnosis.