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Retinal and Choroidal Thickness Changes in Populations with Helicobacter pylori Infection by Swept-Source Optical Coherence Tomography
Published on: November 1, 2024
Helicobacter pylori vs coronary heart disease - searching for connections
Magdalena Chmiela1, Adrian Gajewski1, Karolina Rudnicka1
1Magdalena Chmiela, Adrian Gajewski, Karolina Rudnicka, Department of Immunology and Infectious Biology, Faculty of Biology and Environmental Protection, University of Łódź, 90-236 Łódź, Poland.
Insights
Helicobacter pylori (H. pylori) infection may contribute to atherosclerosis and coronary heart disease (CHD) by triggering chronic inflammation. Further research is needed to determine if H. pylori initiates or accelerates plaque formation.
Area of Science:
- Cardiovascular Medicine
- Infectious Diseases
- Gastroenterology
Background:
- Helicobacter pylori (H. pylori) is a Gram-negative bacterium prevalent worldwide, often asymptomatic but linked to ulcers and gastric cancers.
- Recent research suggests H. pylori may be associated with extragastric disorders, prompting investigation into its systemic effects.
- Atherosclerosis and coronary heart disease (CHD) are multifactorial conditions where inflammation plays a key role.
Purpose of the Study:
- To review and discuss the potential role of H. pylori infections in the development and progression of atherosclerosis and CHD.
- To explore the hypothesis linking H. pylori infection to cardiovascular pathologies.
- To synthesize current findings on the association between H. pylori and CHD.
Main Methods:
- Literature review and synthesis of existing research findings.
- Analysis of studies investigating the link between H. pylori prevalence and CHD occurrence.
- Discussion of proposed mechanisms, particularly chronic inflammation.
Main Results:
- Multiple studies indicate an indirect association between H. pylori prevalence and CHD.
- The proposed mechanism involves H. pylori-induced chronic inflammation potentially facilitating CHD-related pathologies.
- The exact role of H. pylori in initiating versus accelerating atheromatous plaque formation requires further elucidation.
Conclusions:
- H. pylori infection is a potential contributing factor to atherosclerosis and CHD through chronic inflammation.
- The widespread and often asymptomatic nature of H. pylori infections warrants consideration of its systemic impact.
- Further investigation is crucial to clarify the causal relationship and timeline of H. pylori involvement in cardiovascular disease.
Abstract:
In this review, we discussed the findings and concepts underlying the potential role of Helicobacter pylori (H. pylori) infections in the initiation, development or persistence of atherosclerosis and coronary heart disease (CHD). This Gram-negative bacterium was described by Marshall and Warren in 1984. The majority of infected subjects carries and transmits H. pylori with no symptoms; however, in some individuals these bacteria may cause peptic ulcers, and even gastric cancers. The widespread prevalence of H. pylori infections and the fact that frequently they remain asymptomatic may suggest that, similarly to intestinal microflora, H. pylori may deliver antigens that stimulate not only local, but also systemic inflammatory response. Recently, possible association between H. pylori infection and extragastric disorders has been suggested. Knowledge on the etiology of atherosclerosis together with current findings in the area of H. pylori infections constitute the background for the newly proposed hypothesis that those two processes may be related. Many research studies confirm the indirect association between the prevalence of H. pylori and the occurrence of CHD. According to majority of findings the involvement of H. pylori in this process is based on the chronic inflammation which might facilitate the CHD-related pathologies. It needs to be elucidated, if the infection initiate or just accelerate the formation of atheromatous plaque.
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