Chiquete E, Gómez-Piña JJ, Ramírez-García G, Ruiz-Ruiz E, Barrientos-Guerra JD, Toapanta-Yanchapaxi L, Flórez-Cardona JA, Flores-Silva F, Reyes-Melo I, García-Ramos G, Higuera-Calleja J, Cantú-Brito C

Language: Spanish
References: 36
Page: 350-356
PDF size: 173.35 Kb.

ABSTRACT

Introduction: Atherosclerotic carotid artery disease (CAD) is a major risk factor for cerebrovascular disease. Objective: To analyze the association of major vascular risk factors with atherosclerotic CAD and white matter disease (WMD) in patients without a history of ischemic stroke. Method: Risk factors were assessed with carotid examination using Doppler duplex ultrasound. Cases with a history cerebral infarction or transient ischemic attack were not included. Subjects had brain magnetic resonance imaging scans available and those with large-artery ischemic lesions were excluded. Multivariate models were constructed for the prediction of atherosclerotic CAD, significant carotid stenosis, atheroma burden and WMD. Results: One-hundred and forty-five subjects were assessed (60.7% were females, mean age was 73 years). Atherosclerotic CAD was documented in 54.5%, carotid stenosis ≥ 50% in 9.0%, › 6 atheroma plaques in 7.6%, and periventricular or sub-cortical WMD in 28.3% (20.6% had atherosclerotic CAD and WMD concurrently). Risk factors independently associated with atherosclerotic CAD were age and hypertension; hypertension was associated with ≥ 50% carotid stenosis; age was associated with › 6 atheroma plaques; and age, diabetes and hypertension were associated with WMD. Obesity was not associated with any of the analyzed independent variables. Conclusions: In asymptomatic subjects without a history of ischemic stroke, age and hypertension were the most important risk factors for macrovascular disease. Diabetes mellitus was associated with microvascular disease. Obesity alone was not a major determinant of CAD or WMD.

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