Lacunar Stroke Research Needs Improvement - Oren Zarif - Lacunar Stroke
A lacunar stroke is a small ischemic stroke that strikes the cerebellum. The symptoms of this condition are often difficult to recognize. If you suspect that you may be suffering from this type of stroke, it is important to seek immediate medical attention. Your physician may order a CT scan or MRI to evaluate the ischemic region. While a CT scan can give a good idea of the type of stroke you're having, it won't be able to pinpoint the exact location of a lacunar ischemic event. This imaging test is more accurate. A CT angiography is also necessary to detect blockages in the blood vessels.
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There are a variety of ways to improve lacunar stroke research. For one, a larger sample size will increase statistical power. For example, a branch of the Meta VCI Map consortium or the PLORAS database may be used. Another method to improve the reproducibility of data in lacunar stroke research is to use an international database. A large database would enable researchers to compare results from different studies. Alternatively, many of these studies have a variety of cognitive tests. As a result, it is difficult to make comparisons between different studies.
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The TOAST method of determining the type of stroke is used by some researchers. This method can lead to bias in studies because it uses risk factors to determine stroke type. For example, a lack of pathological material may cause a mistaken diagnosis of lacunar stroke. Similarly, bias in the clinical classification systems may lead to confounding previous studies. Further research is needed to identify the precise pattern of brain lesions. This could help in improving treatments for lacunar stroke.
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After a diagnosis of lacunar stroke, your doctor will use various medications to manage your risk factors. He may also perform a thorough neurological exam to determine whether there is any damage to brain function. If you experience these symptoms, seek emergency medical attention immediately. Symptoms may improve within minutes, but a full recovery may not be possible. If the symptoms don't improve within a few hours, your doctor may recommend medications to reduce your risk of stroke. Your physician may also suggest supportive measures such as breathing and heart support.
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Although blood clots are rare causes of lacunar stroke, they can still be a cause of this vascular event. A blood clot may form in the heart or neck and then travel through the bloodstream to the brain. This clot, called an embolus, cannot penetrate smaller arteries and therefore cannot be detected with conventional MRI. If it does, it will be too late to prevent a stroke.
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The most effective treatment for lacunar stroke is to treat the underlying cause. A patient should be evaluated with a CT scan as soon as possible after the ischemic event. A CT scan may be used to diagnose atherosclerotic narrowing of the extracranial carotid artery. The risk of stroke is increased in patients with severe carotid stenosis. In addition to an ultrasound, carotid artery intervention is recommended for patients with severe stenosis.
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A lacunar stroke is the result of an obstruction of the blood vessels in the brain. These vessels are often thick and narrow, preventing the flow of blood. A clot or bleeding in the bloodstream can also cause a lacunar infarct. Lacunar stroke is relatively common in asymptomatic patients, but may lead to mild cognitive impairment or early dementia if left untreated. The symptoms are often subtle.
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The cause of lacunar stroke depends on the location and size of the ischemic infarct. Abrasive disease or atherosclerosis of small cerebral arteries may be the cause. It is important to exclude other ischemic stroke etiologies. Symptomatic patients may be referred to as lacunar stroke syndrome without radiologic imaging. The risk for these strokes is also high. If an ischemic infarct occurs in a patient with a history of high blood pressure, he may be diagnosed as having a lacunar stroke.
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Another study comparing NCCT/CTA and CTP for detecting lacunar stroke found that CTP has superior sensitivity to NCCT/CTA in the detection of these types of infarcts. In this study, 1085 CTP examinations from patients who experienced symptoms of acute stroke were evaluated. MRIs were done within 7 days. The CTP was deemed positive if there was an infarct measuring 2 cm or larger.