American Heart Association

Low vitamin D predicts more severe strokes, poor health post-stroke

Stroke patients with low vitamin D levels were found to be more likely than those with normal vitamin D levels to suffer severe strokes and have poor health months after stroke, according to research presented at the American Stroke Association’s International Stroke Conference 2015.

Low vitamin D has been associated […]

New device improves healing of some ruptured aneurysms

A new device inserted into small ruptured brain aneurysms significantly improved healing of ruptured aneurysms compared to a standard device, according to research presented at the American Stroke Association’s International Stroke Conference 2015.

Small aneurysms often cause no symptoms, but they can rupture and bleed into the area surrounding the […]

Lower systolic blood pressure reduces risk of stroke

People 60 or older, especially minorities and women, have a lower risk of stroke if the top number in their systolic blood pressure is below 140 millimeters of mercury (mm Hg), according to a study presented at the American Stroke Association’s International Stroke Conference 2015.

A report published in JAMA […]

Mobile stroke units improve response times, outcomes for patients

Mobile Stroke Treatment Units – specialized emergency rooms on wheels – are saving critical minutes in the diagnosis and treatment of stroke patients, according to two new studies presented at the American Stroke Association’s International Stroke Conference 2015.

“Due to how critical time is in the treatment of stroke, using […]

Stroke survivors more likely to make dangerous driving errors

Drivers who have had recent strokes are more likely than drivers who have not had strokes to make errors during complex driving tasks, according to two small Canadian studies presented at the American Stroke Association’s International Stroke Conference 2015.

“Current guidelines recommend that patients should refrain from driving for a […]

Natural brain-repair substance may improve stroke outcome

Supplementing a natural substance that protects nerve cells and encourages new blood vessel formation may aid in new neural growth after stroke when started a week later, according to a mouse study presented at the American Stroke Association’s International Stroke Conference 2015.

Currently, the only FDA-approved drug, tPA, which dissolves […]

Spleen may be key target for successful cell therapy after stroke

The spleen — not the brain — may be the key target in successful cell therapy after a stroke, according to a study in mice presented at the American Stroke Association’s International Stroke Conference 2015.

After a stroke, the spleen seems to contribute to ongoing inflammation and brain damage.

Researchers compared […]

Stem cell injections may improve cognitive function after stroke

Stem cell injections into the brain may improve some cognitive functions in people who haven’t recovered months or years after a clot-caused stroke, according to a study presented at the American Stroke Association’s International Stroke Conference 2015.

In a preliminary study, 18 patients who had sustained moderate or severe ischemic […]

Limiting social isolation improves stroke outcomes in aged mice

Housing aged mice in pairs enhances their recovery after stroke, according to a study presented at the American Stroke Association’s International Stroke Conference 2015.

Social isolation slows functional recovery and worsens cell damage after stroke in young animals, primarily by increasing the body’s inflammatory response. Changes occur in the inflammatory […]

Leakier guts may be why elderly have worse stroke outcomes

Leakier guts may be why older people are more likely to die or have a poor recovery after clot-caused strokes, according to a study in mice presented at the American Stroke Association’s International Stroke Conference 2015.

Researchers found that molecules and bacteria cross the intestinal walls in both aged mice […]

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