Lacunar Stroke - Oren Zarif - Lacunar Stroke

While lacunar stroke is rare, it is important to seek medical attention if you suspect that you are having a stroke. Because this type of stroke is so small, it does not show up clearly on a CT scan. Magnetic resonance imaging (MRI) is more accurate in this case. Additionally, CT angiography can detect blockages in blood vessels, which can lead to an inadvertent diagnosis of lacunar stroke.

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Although blood clots are rare causes of lacunar stroke, they can occur in the neck, heart, and brain. They travel through the bloodstream to the brain, where they slough off the blood and damage tissue. These clots, called emboli, are unable to reach the smaller arteries in the brain. Therefore, these clots typically do not cause lacunar stroke. However, if they do, they could lead to a fatal stroke.

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Lacunar stroke can affect both the motor and sensory areas of the brain. Because the thalamus and internal capsule are affected, there is sensory loss and motor abnormalities. The patient may have a weakness in the arm and wobbly gait. While the patient may have some degree of facial weakness, a more bothersome symptom of this type of stroke is ataxia. Patients with this type of stroke may also experience tingling or numbness in the affected area.

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Treatment for lacunar stroke may include intravenous antiplatelet therapy, which involves injecting medications directly into the brain. Sometimes, a neurosurgeon will perform surgery to remove the blockage or clot from the brain. Despite the high risk of a full recovery, people with lacunar stroke may require physical rehabilitation. In severe cases, it is possible for the stroke victim to develop permanent disabilities, but it is best to seek medical attention as early as possible.

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While there is little data on the causes and symptoms of lacunar stroke, the underlying mechanisms are largely unknown. Researchers are now examining whether there are risk factors and clinical characteristics for these strokes. A more accurate understanding of these strokes can help develop effective secondary prevention regimens. The authors of this study acknowledge the importance of finding out which factors are linked to the onset of this type of stroke. So far, the research has been largely focused on clinical diagnosis.

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A small portion of ischaemic strokes are lacunar. Lacunar infarcts are 2 to 15 mm in diameter and arise at acute angles to large cerebral arteries. Lacunar infarcts are caused by a combination of factors, including high blood pressure. The main cause is unknown, but high blood pressure may directly damage the arteries or cause atherosclerosis, a condition that deposits fatty material on their walls.

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A study has also shown that CTP has superiority in detecting lacunar infarcts compared to NCCT/CTA. The study reviewed 1085 CTP examinations in patients with acute stroke symptoms and an MRI within 7 days. The patients with infarcts less than 2 cm were identified using the NIHSS score. In the end, the researchers concluded that CTP is the most effective imaging method for detecting lacunar stroke.

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The treatment of lacunar stroke varies significantly between cases and their severity. Patients who have experienced a lacunar infarction may experience significant improvements in their neurologic function, but they must be carefully monitored. Rehabilitation therapy is vital after discharge. Physical and occupational therapy is vital for managing physical deficits, while anti-spasmodic agents and muscle relaxants are used to manage spasticity. A patient's primary care provider must coordinate long-term care with specialists and rehabilitation services. Intensive antihypertensive and lipid management is necessary for those who have a risk for stroke. Strict blood sugar control should also be strictly adhered to.

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After adjusting for age, number of lacunes, and vascular risk factors, patients with WMH changes were compared for their WMH volume. However, it was not found that the size of the RSSI lesions correlated with the WMH volume. WMH volume change increased with age and decreased with tissue loss. The WMH change was not significant in patients with multiple RSSI clusters. While the data in the present study are promising, more studies are needed to confirm these findings.