Relationship between symptomatic lower limb peripheral artery disease and calcified carotid artery plaque detected on panoramic images of neurologically asymptomatic males.

Tran HA, O'Connell JB, Lee UK, Polanco JC, Chang TI, Friedlander AH. Relationship between symptomatic lower limb peripheral artery disease and calcified carotid artery plaque detected on panoramic images of neurologically asymptomatic males. Dento maxillo facial radiology. 2019 Jul 1; 48(5):20180432.

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Abstract:

OBJECTIVE: Males with peripheral arterial disease (PAD) are at high risk of ischaemic stroke given that atherogenic risk factors for both diseases are similar. We hypothesized that neurologically asymptomatic males diagnosed with PAD would demonstrate calcified carotid artery plaques (CCAP) on panoramic images (PI) significantly more often than similarly aged males not having PAD. METHODS: Investigators implemented a retrospective cross-sectional study. Subjects were male patients over age 50 diagnosed with PAD by ankle-brachial systolic pressure index results of 0.9. Controls negative for PAD had an ankle-brachial systolic pressure index > 0.9. Predictor variable was a diagnosis of PAD and outcome variable was presence of CCAP. Prevalence of CCAP amongst the PAD+ patients was compared to prevalence of CCAP among PAD- patients. Descriptive and bivariate statistics were computed and -value was set at 0.05. RESULTS: Final sample size consisted of 234 males (mean age 72.68 ± 9.09); 116 subjects and 118 controls. Among the PAD+ cohort, CCAP+ prevalence?rate (57.76%) was significantly ( = 0.001) greater than the CCAP+ rate (36.44%) of the PAD- (control). There was no significant difference in atherogenic "risk factors" in the PAD+ cohort between CCAP+ and CCAP- subjects. CONCLUSION: We demonstrated that CCAP, a "risk factor" for future stroke and "risk indicator" of future myocardial infarction is seen significantly more often detected on the PIs of older male patients with PAD than among those without. Dentists treating patients with PAD must be uniquely vigilant for the presence of CCAPs on their patients'' PI.