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Many stroke survivors may develop seizures

February 18, 2016

A substantial proportion of stroke survivors develop seizures in the years following their strokes, according to research presented at the American Stroke Association's International Stroke Conference 2016.

Researchers studied information on hospitalizations and emergency department visits in California, Florida and New York from 2005 and 2013, identifying patients at the time of a first documented ischemic (clot-caused) or hemorrhagic (bleeding) stroke. For comparison, they also identified patients at the time of a first documented traumatic brain injury, since doctors have known for a long time that traumatic brain injury places patients at risk of seizures. Among the patients studied, 620,739 were diagnosed with stroke and 1,911,995 with traumatic brain injury.

Researchers found:

During an average follow-up of 3.4 years, 15.3 percent of patients with stroke had a seizure and 5.7 percent of patients with traumatic brain injury had a seizure.

Even taking into account other factors like age, the risk of seizure after stroke was significantly higher than the risk of seizure following traumatic brain injury.

Among the stroke subgroups studied, the long-term seizure risk was highest in patients who suffered intracerebral or subarachnoid hemorrhage, which occurs when a weakened vessel ruptures and bleeds into the brain.
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ASA guidelines for the prevention of stroke in women
Hidden stroke risk factors for women
Healthy living after stroke
African-Americans and heart disease, stroke
Insomnia may significantly increase stroke risk
Join the AHA/ASA Support Network to talk with others going through similar journeys including depression after stroke.
Follow news from the American Stroke Association's International Stroke Conference 2016 via Twitter: @HeartNews #ISC16.

Statements and conclusions of study authors that are presented at American Stroke Association scientific meetings are solely those of the study authors and do not necessarily reflect association policy or position. The association makes no representation or warranty as to their accuracy or reliability. The association receives funding primarily from individuals; foundations and corporations (including pharmaceutical, device manufacturers and other companies) also make donations and fund specific association programs and events. The association has strict policies to prevent these relationships from influencing the science content. Revenues from pharmaceutical and device corporations are available at http://www.heart.org/corporatefunding.

American Heart Association

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