Adults who smoke or who are genetically predisposed to smoking behaviors are more likely to experience a serious type of stroke called subarachnoid hemorrhage (SAH), according to new research published today in Stroke, a ...
Jan 14, 2021
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The phrase "time is brain" could take on new meaning when applied to the treatment of subarachnoid hemorrhage, a type of bleeding stroke, thanks to research partially funded by the Mayfield Education & Research Foundation ...
Sep 6, 2017
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DEAR MAYO CLINIC: My father had a fall recently. After a CT of his head, he was diagnosed with a brain aneurysm. What is a brain aneurysm, and how is it treated? Am I at risk for a brain aneurysm?
Apr 7, 2022
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Genetic liability to rheumatoid arthritis (RA) is associated with an increased risk for coronary artery disease (CAD) and intracerebral hemorrhage, according to a study recently published in Arthritis & Rheumatology.
Jul 19, 2022
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Insomnia may be a potential risk factor for a brain bleed from a ruptured aneurysm along with more well known risk factors of smoking and high blood pressure, according to new research published today in the Journal of the ...
Nov 3, 2021
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Subarachnoid hemorrhage is a type of bleeding stroke which can lead to a delayed ischemic stroke after just a few days. Researchers from Charité—Universitätsmedizin Berlin have shown that massive electrochemical waves ...
Apr 12, 2022
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An investigation of the Finnish Twin Cohort reaffirmed a link between smoking and subarachnoid hemorrhage (SAH), a type of bleeding stroke that occurs under the membrane that covers the brain and is frequently fatal. The ...
Sep 17, 2020
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A new portable MRI device detected specific brain abnormalities in 29 of 30 patients taken to Yale New Haven Hospital's neuroscience intensive care unit after presenting with symptoms of stroke and other neurological disorders, ...
Sep 9, 2020
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Bleeding inside the lining of the brain (subarachnoid hemorrhage) is significantly more common among smokers, especially female smokers, than among people who do not smoke, according to new research in the American Heart ...
Jul 21, 2016
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A new tool to identify potentially fatal aneurysms in patients with headaches who seem otherwise well will help emergency departments to identify high-risk patients, improve survival rates and cut out unnecessary imaging, ...
Nov 13, 2017
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A subarachnoid hemorrhage (SAH, /ˌsʌbəˈræknɔɪd ˈhɛmᵊrɪdʒ/), or subarachnoid haemorrhage in British English, is bleeding into the subarachnoid space—the area between the arachnoid membrane and the pia mater surrounding the brain. This may occur spontaneously, usually from a ruptured cerebral aneurysm, or may result from head injury.
Symptoms of SAH include a severe headache with a rapid onset ("thunderclap headache"), vomiting, confusion or a lowered level of consciousness, and sometimes seizures. The diagnosis is generally confirmed with a CT scan of the head, or occasionally by lumbar puncture. Treatment is by prompt neurosurgery or radiologically guided interventions with medications and other treatments to help prevent recurrence of the bleeding and complications. Surgery for aneurysms was introduced in the 1930s, but since the 1990s many aneurysms are treated by a less invasive procedure called "coiling", which is carried out by instrumentation through large blood vessels.
SAH is a form of stroke and comprises 1–7% of all strokes. It is a medical emergency and can lead to death or severe disability—even when recognized and treated at an early stage. Up to half of all cases of SAH are fatal and 10–15% of casualties die before reaching a hospital, and those who survive often have neurological or cognitive impairment.
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