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Periodontitis as an inflammatory trigger in hypertension: From basic immunology to clinical implications
Piotr Szczepaniak1, Tomasz P Mikołajczyk2, Marta Cześnikiewicz-Guzik3
1Department of Internal and Agricultural Medicine, Jagiellonian University Collegium Medicum, Kraków, Poland. t.guzik@uj.edu.pl.
Kardiologia Polska
|November 30, 2021
Summary
Periodontitis, a gum disease, may causally increase hypertension risk. Shared inflammatory pathways involving immune cells and cytokines like IL-6 link these conditions, suggesting potential non-pharmacological blood pressure management strategies.
Area of Science:
- Cardiovascular Science
- Immunology
- Periodontology
Background:
- Hypertension and periodontitis are prevalent, age-related comorbidities.
- Epidemiological studies link periodontitis to increased cardiovascular disease (CVD) risk.
- Systematic reviews indicate periodontitis elevates hypertension risk and blood pressure.
Purpose of the Study:
- To explore the causal relationship between periodontitis and hypertension.
- To elucidate the shared immune and inflammatory mechanisms underlying both conditions.
- To identify potential non-pharmacological approaches for blood pressure control.
Main Methods:
- Review of observational epidemiological studies.
- Analysis of systematic reviews and meta-analyses.
- Examination of genetic (Mendelian randomization) and clinical trial evidence.
- Investigation of immune cell activation (Th1, Th17, Treg, monocytes) and cytokine profiles (IL-6, TNF-α, IFN-γ, IL-17).
Main Results:
- Evidence supports a causal role for periodontitis in hypertension.
- Shared inflammatory pathways involve C-reactive protein (CRP) and white blood cell (WBC) counts.
- Specific immune cells (e.g., CD28null T cells) and cytokines are implicated in both diseases.
- Inflammatory mediators like IL-6, TNF-α, IFN-γ, and IL-17 are key effectors.
Conclusions:
- Periodontitis is causally linked to hypertension through shared inflammatory pathways.
- Understanding these links may offer non-pharmacological strategies for blood pressure management.
- This research provides insights into inflammation's role in hypertension, relevant to autoimmune disorders and COVID-19.
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