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Unveiling the Silent Intruder: H. pylori's Hidden Link to Ischemic Heart Disease
Kanishk Aggarwal1, Sandeep Singh2, Ankur Singla1
1From the Department of Internal Medicine, Dayanand Medical College and Hospital, Ludhiana, Punjab, India.
Insights
Helicobacter pylori infection is linked to cardiovascular disease through chronic inflammation and altered risk factors. This review explores cardiac issues and mechanisms related to H. pylori.
Area of Science:
- Cardiology
- Infectious Diseases
- Gastroenterology
Background:
- Cardiovascular disease (CVD) is a leading cause of mortality globally.
- Established CVD risk factors include age, diabetes mellitus, smoking, hypertension, and obesity.
- Emerging evidence suggests a link between Helicobacter pylori (H. pylori) infection and cardiac complications.
Purpose of the Study:
- To review the cardiac manifestations associated with H. pylori infection.
- To elucidate the pathophysiological mechanisms underlying the relationship between H. pylori and cardiovascular disease.
Main Methods:
- Literature review of studies investigating H. pylori and cardiac conditions.
- Analysis of virulent factors of H. pylori implicated in coronary artery disease.
- Examination of proposed pathogenic mechanisms linking H. pylori to CVD.
Main Results:
- H. pylori, primarily known for gastric issues, is increasingly recognized for extra-gastric manifestations, including cardiac problems.
- Virulent factors such as vacuolating cytotoxin gene A (vacA) and cytotoxin-associated gene A (cagA) are key in H. pylori-related coronary artery disease.
- The infection likely initiates chronic inflammation, modifies traditional risk factors, and promotes prothrombotic states.
Conclusions:
- H. pylori infection may contribute to cardiovascular disease development and progression.
- Understanding the link between H. pylori and cardiac issues is crucial for comprehensive patient management.
- Further research is warranted to fully clarify the role of H. pylori in cardiovascular pathology.
Abstract:
Cardiovascular disease is the leading cause of death. In addition to the well-known risk factors associated with cardiovascular disease, such as age, diabetes mellitus, smoking, hypertension, and obesity, there has been a growing concern regarding cardiac complications stemming from the Gram-negative bacteria Helicobacter pylori . While H. pylori is most commonly associated with chronic gastritis, peptic ulcer disease, gastric adenocarcinoma, and gastric lymphoma, it has also been implicated in extra gastric manifestations, encompassing cardiac, neurologic, ocular, and dermatologic issues. Key virulent factors for coronary artery disease include the vacuolating cytotoxin gene A and the cytotoxin-associated gene A. The most likely pathogenic mechanism of the relationship between H. pylori and coronary artery disease is initiating a chronic inflammatory process associated with infection and the modifications of classic risk factors. These alterations lead to the creation of prothrombotic and procoagulant environments. Here, we review the cardiac manifestations of H. pylori and the underlying pathophysiological mechanisms.
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