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What is a Cerebral Infarction? - Oren Zarif - Cerebral Infarction


If you are wondering what exactly is a cerebral infarction, you have come to the right place. This article discusses symptoms and the management of this potentially deadly condition. The goal of decompression surgery is to relieve pressure on the brain during the acute swelling caused by cerebral infarction. This surgery can also prevent a sudden, fatal posterior fossa compression syndrome. You can learn more about the surgical options for this condition by reading the rest of this article.

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The cause of cerebral infarction is unclear, but some researchers believe that arterial-to-artery embolism is the most common cause. However, the presence of hemodynamic compromise makes watershed infarcts less common. In addition, cerebral embolism tends to involve the middle and posterior arteries and to be wedge-shaped in nature on neuroimaging studies. Here are some common signs of cerebral infarction. If you suspect that you have this condition, make sure to seek immediate medical attention.

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Other causes of cerebral infarction include internal cartoid artery anomalies, arterial occlusion, or embolization of the dural arteries. Unruptured giant aneurysms may also lead to cerebral infarction. A diagnosis is made based on the underlying cause, and the clinical signs and symptoms that accompany it. You may want to consider a vascular pathology assessment to identify these underlying problems and diagnose the correct cause of your symptoms.

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There is a high prevalence of vascular risk factors in young people. A hospital-based registry included young adults who suffered from cerebral infarction. The most common etiologies of first-time strokes were vascular, cardiac embolism, and lacunar infarction. Nearly a third of these patients had no identifiable cause. In addition, nearly 30 percent of first-time stroke patients experienced recurrent strokes.

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A diagnosis of ischemic stroke should be made within a few days of symptoms. Initial workup should include basic labs such as complete blood count, cardiac enzymes, and coagulation factors. A stat non-contrast head CT should be done to rule out hemorrhage and other mass lesions. Vascular imaging is particularly valuable in cases of acute cerebral ischemia. A large vessel occlusion may be obvious on an MRI.

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A section of the cerebral hemispheres demonstrates hemorrhagic venous infarction and distended congested veins in the brain parenchyma. There are three separate types of infarcts: isolated infarction in the basal ganglia, single infarction in the cerebellum, and multiple infarction in the cerebral cortex. Twenty-seven patients had hydrocephalus, seven had communicating hydrocephalus, and three had obstructive hydrocephalus. Eight patients with TBM presented with a space-occupying lesion, miliary pattern, or fibroproductive lesion.

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In many cases, a stroke may not be a brain tumor. It may mimic another disease. Many other conditions are capable of mimicking the symptoms of a stroke, such as pulmonary embolism, aortic dissection, or acute cholecystitis. It's crucial to be able to distinguish a cerebral infarction from a brain tumor as soon as possible. So if you're experiencing any of these symptoms, see your doctor immediately to avoid further complications.

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When a stroke occurs, the brain is in danger of a bleed. Fortunately, a delayed CT angiography is available to help determine whether there is a stroke. This imaging test measures collateral blood flow in the infarcted and ischemic tissue. The difference between CT and MRI is in the sensitivity and specificity of the scan. However, a CT angiography is the most reliable method of diagnosis.

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Symptoms of ischemic stroke are often sudden and progressive, with some symptoms progressively improving and some symptoms worsening. In most cases, a vessel blocking an intracranial artery is the main cause of ischemia, which causes cell death and impaired functioning. In some cases, a vessel may be completely blocked, but it is important to determine the exact cause for the clot's development. If the clot's location isn't clear, it can move to the brain, and in rare cases cause a stroke.

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After the initial 24 hours, the primary event in cerebral infarction is bleeding into the brain. This bleeding is called hemorrhage. It is caused by hypertension and occurs spontaneously within the brain parenchyma. Infarction is most common in regions of the brain affected by hypertension, such as the cerebellum and basal ganglia. Infarcted tissue progressively becomes brighter than normal parenchyma. However, the DWI remains elevated because of the persistent high T2/FLAIR signal.

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Infarcted parenchyma continues to show a high DWI and low ADC signal during the first week after the infarction. On the other hand, the brain demonstrates a high T1 signal on FLAIR and T2-weighted imaging. This technique may be difficult to differentiate from other forms of hemorrhage such as a brain tumor. Therefore, a T2*GRE sequence is best used for identifying hemorrhage and ischemic infarction. This sequence is hypointense in air and mineralization.

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