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Cerebellar strokes account for only 2-3% of the 600,000 strokes that occur each year in the United States. [3] They are far less common than strokes which occur in the cerebral hemispheres . In recent years mortality rates have decreased due to advancements in health care which include earlier diagnosis through MRI and CT scanning . [ 4 ]
If the ataxia is due to bleeding, surgery may be needed. For a stroke, medication to thin the blood can be given. Infections may need to be treated with antibiotics. Steroids may be needed for swelling (inflammation) of the cerebellum (such as from multiple sclerosis). Cerebellar ataxia caused by a recent viral infection may not need treatment.
He found that by four weeks, if there is some recovery of hand function, there is a 70% chance of making a full or good recovery. He reported that most recovery happens in the first three months, and only minor recovery occurs after six months. [7] More recent research has demonstrated that significant improvement can be made years after the ...
This leads to poor oxygen supply or cerebral hypoxia and thus leads to the death of brain tissue or cerebral infarction/ischemic stroke. [2] It is a sub-type of stroke along with subarachnoid hemorrhage and intracerebral hemorrhage. [3] Ischemia leads to alterations in brain metabolism, reduction in metabolic rates, and energy crisis. [4]
Other possible symptoms include gaze palsies or hemisensory loss. [7] Intracerebral hemorrhage into the cerebellum may cause ataxia, vertigo, incoordination of limbs and vomiting. [7] Some cases of cerebellar hemorrhage lead to blockage of the fourth ventricle with subsequent impairment of drainage of cerebrospinal fluid from the brain. [7]
A recent paper reports that the use of the drug tenecteplase, not yet approved for stroke treatment in the U.S., may lead to slightly better outcomes after a stroke than the commonly used alteplase.
Cardiovascular and pulmonary symptoms may also be present as the brain loses function, but might also be associated with bleeding. These symptoms are known as Cushing's Triad : hypertension (with widening pulse pressure ), irregular respirations (commonly Cheyne-Stokes ), bradycardia and in severe cases cardiac arrest .
Lateral medullary syndrome is a neurological disorder causing a range of symptoms due to ischemia in the lateral part of the medulla oblongata in the brainstem.The ischemia is a result of a blockage most commonly in the vertebral artery or the posterior inferior cerebellar artery. [1]
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