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To determine whether sensorimotor strokes should be considered as lacunar syndromes 34 consecutive patients with first-ever ischaemic sensorimotor stroke were evaluated and compared with 103 patients with non-lacunar infarcts and another 88 patients with lacunar infarcts.Potential thromboembolic sources were more frequent in patients with non-lacunar infarcts(p=0.003,versus sensorimotor strokes).Although the overall prevalence of hypodense lesions at CT scan was not significantly different among the three groups,lacunar lesions were found in 47.1%of sensorimotor strokes,compared with 6.8%of non-lacunar infarcts(p<0.0001).In a mean follow up period of 28.7 months,the incidence of stroke and myocardial infarction among sensorimotor strokes was similar to that of patients with lacunar infarct,but significantly lower than in non-lacunar infarcts(p<0. 05).These results demonstrate important differences between sensorimotor and non-lacunar infarcts,but quite similar findings in sensorimotor and lacunar strokes,and thus support the theory that sensorimotor strokes are commonly due to lacunar lesions. |
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