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ABSTRACT: Background
A family history of stroke is an independent risk factor for stroke.Objective
To assess whether severity of neurologic deficit after stroke is associated with a family history of stroke.Methods
The Ischemic Stroke Genetics Study, a five-center study of first-ever symptomatic ischemic stroke, assessed case subjects prospectively for a family history of stroke-affected first-degree relatives. Certified adjudicators used the NIH Stroke Scale (NIHSS) to determine the severity of neurologic deficit.Results
A total of 505 case subjects were enrolled (median age, 65 years; 55% male), with 81% enrolled within 1 week of onset of symptoms. A sibling history of stroke was associated with more severe stroke. The odds of an NIHSS score of 5 or higher were 2.0 times greater for cases with a sibling history of stroke compared with cases with no sibling history (95% CI, 1.0 to 3.9). An association of family history of stroke in parents or children with stroke severity was not detected.Conclusions
A sibling history of stroke increased the likelihood of a more severe stroke in the case subjects, independent of age, sex, and other potential confounding factors. Other family history characteristics were not associated with stroke severity.
SUBMITTER: Meschia JF
PROVIDER: S-EPMC2613836 | biostudies-literature | 2006 Oct
REPOSITORIES: biostudies-literature
Meschia J F JF Case L D LD Worrall B B BB Brown R D RD Brott T G TG Frankel M M Silliman S S Rich S S SS
Neurology 20061001 8
<h4>Background</h4>A family history of stroke is an independent risk factor for stroke.<h4>Objective</h4>To assess whether severity of neurologic deficit after stroke is associated with a family history of stroke.<h4>Methods</h4>The Ischemic Stroke Genetics Study, a five-center study of first-ever symptomatic ischemic stroke, assessed case subjects prospectively for a family history of stroke-affected first-degree relatives. Certified adjudicators used the NIH Stroke Scale (NIHSS) to determine t ...[more]