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Tuesday, 24 November 2015
Congenital heart defect means higher chance of stroke
Adults born with heart defects have a greater chance of stroke, according to new research published in the journal Circulation.
People with congenital heart defects may have a stroke later in life.
A congenital heart defect can
be one of a wide range of conditions. Some of these can affect the
person, even fatally, soon after birth; others do not show symptoms
until later in adulthood.
the fifth leading cause of death in the US, claiming nearly 129,000
lives every year, according to the American Heart Association and
American Stroke Association (AHA/ASA).
Stroke can be hemorrhagic, resulting from a bleed in the brain, or ischemic, when a blood clot blocks a cerebral artery.
analyzed stroke data on 29,638 patients with congenital heart defects,
aged 18-64, and compared rates with those observed in the general
population of Quebec, Canada.
with a congenital heart defect had a 9-12 times higher risk of ischemic
stroke before the age of 55, and the risk was 2-4 times higher in
patients between the ages of 55-64. They also had a 5-6 times higher
risk of hemorrhagic stroke before the age of 55, and a 2-3 times higher
risk between the ages of 55-64.
Of those with congenital heart defects, 8.9% of men and 6.8% of women experienced at least one stroke before age 65. Heart failure, diabetes and recent heart attacks were the strongest predictors of ischemic stroke in adults with heart defects.