Lacunar Stroke - Oren Zarif - Lacunar
A lacunar stroke is an infarct of the brain in which the blood is not cleared properly, preventing the brain from receiving adequate blood flow. While lacunar strokes are not caused by blood clots, they can result from a variety of conditions, including an ischemic stroke. These blood clots form in the heart or neck and travel through the bloodstream to the brain. An embolus is debris that occludes a blood vessel and carries the clot through the body to the brain.
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The symptoms of a lacunar stroke depend on the portion of the brain that has been affected. The affected part of the brain controls different functions, such as movement, sensation, sight, speech, and balance. If a person suffers from prolonged high blood pressure, multiple strokes may result, which can affect the ability to speak, move, or process information. Patients with multiple lacunar strokes may experience depression, agitation, emotional behavior, or dementia, although the severity of these symptoms depends on their location in the brain.
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Several risk factors have been implicated in the development of lacunar stroke, such as advanced age and chronic hypertension. Other risk factors include alcohol consumption, smoking, diabetes mellitus, and cardiovascular disease. Patients who have previously suffered a stroke may also be at increased risk for the condition. The lack of animal data is one reason some detractors of the lacunar hypothesis claim that the condition is a result of embolic pathology.
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Although lacunar stroke is rare, it is important to visit a doctor to confirm the diagnosis. A doctor will review the patient's history and conduct a physical exam to determine the extent of the disease. They will also order a CT scan, which is not meant to diagnose stroke, but rather to rule out other possible conditions. The CT scan can help to identify blood vessels and blockages by injecting a dye into them. In addition to a CT scan, an MRI is often the best imaging test to diagnose lacunar stroke.
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The ischemic lesion of the brain's white matter is often the source of the symptoms of a lacunar stroke. This type of stroke is usually associated with cognitive dysfunction and is responsible for up to 20-30% of all ischemic strokes. A large majority of these patients have motor or sensory impairment, as well as reduced mobility. The strokes may lead to gait or balance impairments and can be fatal. So, it is important for physicians to treat patients appropriately.
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Researchers have suggested that aging, sex, and the number of lacunes may be risk factors for lacunes. However, these findings do not provide conclusive evidence that these risk factors influence the development of lacunes. Although they support the hypothesis that different types of lacunes are associated with different types of neurologic dysfunction, they do not rule out a role for aging and internal carotid artery stenosis.
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Although the symptoms of a lacunar stroke may be difficult to detect, doctors will most likely administer medications to prevent any further damage to the brain. Moreover, because the cerebral vessels are small, autopsy material is usually scanty. Therefore, most studies on stroke risk factors have relied on clinical diagnosis. These researchers hope that this study will provide some insight into the cause of this type of stroke. This article will discuss the potential risk factors for a lacunar stroke and how they can be prevented.
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The study found that about 87 percent of all strokes are ischemic, and the remaining are hemorrhagic. Lacunar stroke is an infarction of the brain arteries that branches off of the main, high-pressure, heavily muscled artery. In addition, high blood pressure has been found to be a significant risk factor for lacunar stroke, and it can also damage the blood vessels directly. Additionally, high blood pressure can also lead to atherosclerosis, which is the buildup of fatty deposits on the walls of the artery.
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A lacunar stroke is the most common type of ischemic stroke and is caused by the occlusion of a small penetrating artery in the brain. A lacunar stroke represents about 15% to 25% of all strokes. The symptoms of a lacunar stroke may be mild and unnoticeable in a small number of patients. However, if a patient has multiple lacunar strokes, this can lead to disability or death.