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Updated: Aug 20, 2026

Quantitative Polymerase Chain Reaction (qPCR)-Based Rapid Diagnosis of Helicobacter pylori Infection and Antibiotic Resistance
Published on: July 28, 2023
Attempts to detect Helicobacter pylori in atherosclerotic plaques
A Sulewska1, W Modrzejewski, O Kovalchuk
1Clinic of Thoracic Surgery, Medical University of Bialystok, Poland.
Insights
This study investigated Helicobacter pylori presence in atherosclerotic plaques from coronary artery bypass grafting patients. No bacterial DNA was detected, suggesting H. pylori may not play a direct role in atherogenesis in this cohort.
Area of Science:
- Cardiovascular Research
- Infectious Disease Epidemiology
- Atherosclerosis Pathogenesis
Background:
- Cardiovascular and cerebrovascular diseases are leading causes of mortality globally.
- Atherosclerosis is the underlying pathology for these conditions.
- Recent research explores the link between bacterial infections, like Helicobacter pylori, and atherogenesis.
Purpose of the Study:
- To evaluate the presence of Helicobacter pylori in atherosclerotic lesions.
- To determine if H. pylori DNA can be detected in arterial plaque samples.
- To investigate the potential role of H. pylori in coronary heart disease development.
Main Methods:
- Samples of atherosclerotic changes were obtained via endarterectomy during coronary artery bypass grafting (CABG).
- Polymerase Chain Reaction (PCR) technique was employed to detect H. pylori DNA.
- Patient risk factors including hyperlipidemia, smoking, hypertension, obesity, and diabetes were recorded.
Main Results:
- Helicobacter pylori DNA was not detected in any of the analyzed atherosclerotic plaque samples.
- The study group comprised patients with common cardiovascular risk factors.
Conclusions:
- The study found no evidence of Helicobacter pylori DNA in atherosclerotic plaques from patients undergoing CABG.
- These findings do not support a direct role for H. pylori in the pathological process of atherosclerosis in this specific patient population.
Abstract:
Cardiovascular and cerebrovascular diseases are regarded to be the main causes of mortality in developed countries, atherosclerosis being at their pathological base. During the recent years, attention was paid to the role of bacterial infections, including Helicobacter pylori, in the process of atherogenesis and coronary heart disease development. The aim of the study was an evaluation of H. pylori presence--by means of PCR technique--in atherosclerotic changes, obtained by endarterectomy, performed during coronary artery bypass grafting (CABG). In the analysed group of patients, the following risk factors were found: hyperlipidaemia, smoking, hypertension, obesity, diabetes mellitus, cardiac infarction. No DNA of the bacteria was traced in any of the patients.
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