Molecular Markers Relevant to Myocardial Injury Following Dental Extraction in Patients with or Without Coronary Artery Disease
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Objectives: The aim of this study was to characterize biological changes following dental extractions in patients with or without coronary artery disease (CAD).
Materials And Methods: Forty-five patients (36 males and 9 females) referred for dental extraction underwent treatment and provided blood samples before, immediately after, and 24 h after the procedure. A broad array of biomarkers was employed to assess myocardial injury (highly sensitive troponin T, hs-TnT), bacterial burden (LPS endotoxin activity), and systemic inflammation (CRP, fibrinogen, IFN-γ, IL-1β, IL-6, IL-8, IL-10, IL-12, and TNF-α).
Results: Dental extraction in patients with or without CAD was associated with rises in hs-TnT ( = 0.013), hs-CRP ( < 0.001), fibrinogen ( = 0.005), endotoxin activity ( < 0.001), IFN-γ ( < 0.001), IL-6 ( < 0.001), IL-8 ( = 0.011), and IL-12 ( < 0.001) at 24 h compared with immediately post procedure. Changes in systemic inflammation and endotoxin activity were more evident in those with hs-TnT rise.
Conclusions: Simple dental extractions may cause mild increase in hs-TnT, indicating minor myocardial injury in both patients with or without CAD. Acute systemic inflammation and endotoxemia could represent a possible link between invasive dental treatment and increased risk of acute cardiovascular events. These findings indicate that invasive dental treatment (as simple as a single dental extraction) may impact negatively on clinical outcomes in dental patients, especially those with CAD.
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