Abstract

Periodontal disease (PD) is associated with recurrent vascular event in stroke or transient ischemic attack (TIA). In this study, we investigated whether PD is independently associated with aortic arch atheroma (AA). We also explored the relationship PD has with AA plaque thickness and other characteristics associated with atheroembolic risk among patients with stroke or TIA. Finally, we confirmed the association between AA and recurrent vascular event in patients with stroke or TIA. In this prospective longitudinal hospital-based cohort study, PD was assessed in patients with stroke and TIA. Patients with confirmed stroke and TIA (n = 106) were assessed by calibrated dental examiners to determine periodontal status and were followed over a median of 24 months for recurrent vascular events (stroke, myocardial infarction, and death). The extent of AA and other plaque characteristics was assessed by transesophageal echocardiography. Within our patient cohort, 27 of the 106 participants had recurrent vascular events (including 16 with stroke or TIA) over the median of 24-month follow-up. Severe PD was associated with increased AA plaque thickness and calcification. The results suggest that PD may be a risk factor for AA. In this cohort, we confirm the association of severe AA with recurrent vascular events. In patients with stroke or TIA, severe PD is associated with increased AA plaque thickness, a risk factor for recurrent events. Further studies are needed to confirm this finding and to determine whether treatment of PD can reduce the rate of AA plaque progression and recurrent vascular events.

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