Journal
STROKE
Volume 35, Issue 6, Pages 1430-1435Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1161/01.STR.0000127365.49448.0f
Keywords
transient ischemic attack; cerebral infarction; lacunar infarction; predictive value of tests; hypertension
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Background and Purpose-We postulated that a lacunar syndrome occurring with transient ischemic attacks (TIAs) or progressive nonsudden onset predicts a brain infarction (BI), presumably caused by a small artery disease (ie, lacunar BI) better than a lacunar syndrome with sudden onset. Methods-We included 510 patients with BI. BI was classified into etiologic groups including lacunar BI group. We identified the patients with lacunar or nonlacunar syndrome, and those with TIAs preceding the BI or with symptoms of nonsudden onset. Results-Nonlacunar syndrome had a negative predictive value for a lacunar BI of 95%. A lacunar syndrome had a positive predictive value (PPV) of 57% for lacunar infarction (n=109), and the PPV increased to 79% in the case of recent TIAs preceding the lacunar syndrome. Hypertension was present in 95% of cases with lacunar TIAs (odds ratio: 10.69; 95% confidence interval: 1.34 to 84.82; P=0.02). Conclusions-Lacunar TIAs are almost always associated with history of arterial hypertension and have a high PPV for lacunar BI. This subgroup of patients may reflect different underlying mechanisms than the group of patient with lacunar syndrome of sudden onset.
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