DNA Helicobacter pylori — PCR, qualitative
Detects Helicobacter pylori DNA — bacteria causing stomach mucosal inflammation, gastritis, peptic ulcers, and elevating certain gastric cancer risk. PCR detects genetic material at low bacterial concentrations.
Infection routes:
- dirty hands;
- contaminated water and food;
- contact with contaminated items or people;
- poor hygiene.
Recommended for:
- chronic stomach disease patients;
- prolonged dyspepsia symptoms;
- negative breath test or stool test results;
- treatment efficacy monitoring.
Biomaterial: Stool or gastric mucosal biopsy
- Do not take laxatives 2-3 days before; no enemas or rectal suppositories
- If taking antiparasitic drugs — inform; collect before treatment if possible
- Collect naturally; exclude urine/water contamination; sterile container; deliver within 2-3 hours
- Stop antibiotics and acid-reducing drugs 2 weeks before (by physician agreement)
- Do not take intestinal flora-affecting drugs
- If taking antibiotics or stomach drugs — inform physician before collection
- Prolonged upper abdominal pain;
- heartburn, heaviness after eating;
- nausea, vomiting; excessive gas;
- anemia or vitamin B12 deficiency;
- suspected gastritis or peptic ulcer;
- negative other methods with persisting symptoms.
Note: Test detects even small H. pylori DNA fragments.
Negative — H. pylori DNA not detected.
Positive — H. pylori DNA detected; confirms infection.
Physician consultation required at positive result.
Infectious disease parasitologist consultation recommended. Self-treatment not recommended.
