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People who suffer from migraine with visual aura may have an increased risk of irregular heartbeat and, as a result, a stroke, according to researchers, including one of Indian origin.
Migraine with visual aura occurs when vision problems occur just before head pain begins. These disturbances may include wavy lines or flashes of light, blurred vision or blind spots.
With an irregular heart rate called atrial fibrillation, the normal heart rhythm is out of sync. As a result, blood can accumulate in the heart, possibly forming clots that can go to the brain, causing a stroke.
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The study suggests that atrial fibrillation may play a role in cerebrovascular accidents in migraine patients with visual aura.
"It is important to note that migraine sufferers with aura may be at increased risk of atrial fibrillation due to autonomic nervous system problems, which helps to control the heart and blood vessels," said Souvik Sen, of the US. University of South Carolina. in the USA.
For the study, published in the journal Neurology, the team examined 11,939 people aged 60 years on average, without prior atrial fibrillation or stroke.
The results revealed that about 9 out of every 1,000 migraine sufferers with aura suffer from atrial fibrillation, compared to 7 out of 1,000 people with migraine without aura.
The stroke rate in the migraine with aura group was four in 1,000 people per year, compared to two in 1,000 people per year in migraine without aura and three in 1,000 people per year. year in people without a headache, suggested the results.
"Atrial fibrillation can be managed by medications, but many people do not realize that they have atrial fibrillation," Sen said.
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