Blood Type Linked to Higher Risk for Early Onset Stroke
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Individuals with type A blood have a 16% higher risk for early onset stroke (EOS) than those with other blood types, new research shows. Conversely, results from a meta-analysis of nearly 17,000 cases of ischemic stroke in adults younger than 60 years showed that having type O blood reduced the risk for EOS by 12%. In addition, the associations with risk were significantly stronger in EOS than in those with late-onset stroke (LOS), pointing to a stronger role for prothrombotic factors in younger patients, the researchers note.
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@minti The genome-wide association study (GWAS) was done as part of the Genetics of Early Onset Ischemic Stroke Consortium, a collaboration of 48 different studies across North America, Europe, Japan, Pakistan, and Australia. It assessed early onset ischemic stroke in patients age 18 to 59 years. Researchers included data from 16,927 patients with stroke. Of these, 5825 had a stroke before age 60, defined as early onset. GWAS results were also examined for nearly 600,000 individuals without stroke.