Association between the presence of Treponema denticola and reduced levels of antiatherogenic high density lipoprotein in periodontitis

This research was originally published in 2015 by Carlos M Ardila, Mariana Olarte-Sossa, Astrid Adriana Ariza-Garcés.

We have curated this article as a reference point for The Larkin Protocol.


Objective: Dyslipidemia, a disorder in the levels of cholesterol or lipoproteins in the plasma, is a feature of atherosclerosis, leading to cardiovascular disease. The objective of this study was to evaluate whether Tanerella forsythia and Treponema denticola are related to reduced levels of antiatherogenic high density lipoprotein (HDL).

Method and materials: In this cross-sectional study, 108 patients were invited to participate. The diagnosis of chronic periodontitis and the diagnosis of adipose tissue disorders were made based on criteria previously defined. The presence of T forsythia and T denticola was detected by polymerase chain reaction.

Results: A total of 61 women and 19 men with chronic periodontitis, and 18 women and 10 men without periodontitis were studied. The serum levels of total cholesterol and low density lipoprotein were similar in both groups. Inversely, the levels of triglycerides (TG) were higher in periodontitis patients compared to subjects without periodontitis (178 mg/dL vs 165 mg/dL; P < .05), and the levels of HDL were lower (44 mg/dL vs 50 mg/dL; P < .05), respectively. The presence of T denticola was associated with low levels of HDL in periodontitis patients after adjustment for possible confounders (OR, 3.03; 95% CI, 1.2-7.2).

Conclusion: Higher levels of TG and lower levels of HDL were associated with the presence of T denticola in chronic periodontitis. These results may suggest that the presence of T denticola could reduce the antiatherogenic potency of HDL and may increase the risk for cardiovascular disease in patients with chronic periodontitis.

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