Objectives: To find some specific determinants of lacunar strokes (LS), this study compared LS and non-LS patients using the size and location of cerebral lesions as discriminant between the two groups.
Methods: The main cardiovascular risk factors and some echocardiographic parameters were assessed in 225 ischemic stroke patients aged 75·1±11·4 (SD) years, including 101 patients with symptoms and lesions of lacunar type (deep hypodensities with diameter ≤ 1·5 cm) and 124 patients with non-lacunar lesions.
Results: LS patients tended to be younger and had a higher prevalence of smokers than non-LS patients. In a subgroup undergoing echocardiogram, those with LS had a higher left ventricular mass index (LVMI) than non-LS patients (141·6±44·9 vs. 115·1±31·8 g/m(2), P = 0·005). The prevalence of hypertension, diabetes, and carotid stenoses > 50% was similar in the two groups. In multivariable analysis the ever-smoker status (OR = 1·9, P = 0·02), atrial fibrillation (inverse association, OR = 0·5, P = 0·03), LVMI ≥ 130 g/m(2) (OR = 6·6, P = 0·001), and age ≤ 72 years (OR = 5·9, P = 0·003) remained independently associated with LS.
Conclusions: The patients with lacunar cerebral lesions had a greater left ventricular mass than those with non-lacunar lesions, while blood pressure values did not differ. Lacunar lesions were also associated with smoking and a younger age.
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