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Zhang Hui
Neurology
About me
Weifang People's Hospital, Department of Neurology, attending physician, has been engaged in clinical work in the field of neurology for many years, with rich clinical experience in common and prevalent neurological diseases.
Proficient in diseases
Cerebrovascular disease, Parkinson's disease, myelitis, etc.
Voices
Can cerebral atrophy be cured?
Brain cells are irreversible, and once they die, they cannot regenerate. If brain atrophy occurs, it means that some brain cells have necrosed, and complete recovery is impossible. However, some patients with brain atrophy have no clinical symptoms because the brain's compensatory function is relatively strong. The usual causes of brain atrophy include the following. Firstly, Alzheimer's disease, which is the most common cause of dementia. Patients exhibit cortical brain atrophy, especially in areas such as the temporal lobes, frontal lobes, and hippocampus. Treatment is primarily symptomatic, and curing the disease is very difficult. Another cause is cerebrovascular disease. Long-term cerebral ischemia and arterial stenosis can also lead to brain atrophy. It is crucial to actively improve circulation and use anti-atherosclerosis medications for treatment. Additionally, some toxic encephalopathies, leukoencephalopathies, and drug toxicities can also cause brain atrophy. (Specific medications should be used under the guidance of a doctor.)
Can cerebellar atrophy be treated?
Cerebellar atrophy is a finding observed in imaging studies, often discovered during imaging exams without necessarily presenting corresponding clinical symptoms. The possibility of treating cerebellar atrophy depends primarily on its underlying cause. For instance, cerebellar atrophy caused by genetic disorders, such as spinocerebellar ataxia, which results from genetic mutations, lacks highly effective treatment options. The primary approach in such cases is symptomatic treatment, including administering medications that nourish the nerves. Generally, these diseases progressively worsen. Cerebellar atrophy can also be due to neurodegenerative diseases like multiple system atrophy, which are untreatable. However, cerebellar atrophy caused by long-term alcohol consumption may improve to some extent with abstinence and high doses of vitamin B complex. Additionally, cerebellar atrophy resulting from chronic significant ischemia can be alleviated by addressing the ischemic conditions.
Causes of Dementia
At present, the specific causes and mechanisms of Alzheimer's disease are not very clear, but they are mainly divided into two categories. The first category is hereditary, where some Alzheimer's disease cases have a clear family history and involve some genetic mutations. These genetic mutations lead to the deposition of abnormal proteins within neurons, causing irreversible neuronal death, which is the main reason for familial Alzheimer’s disease. The second category is sporadic Alzheimer’s disease, for which no clear pathogenesis has been identified. Research suggests that factors such as oxidative stress, trauma, cerebrovascular disease, cerebral ischemia, and other factors, including metabolic conditions leading to dementia, are related to the occurrence of sporadic Alzheimer's disease. Therefore, the causes of Alzheimer’s disease include two main categories: the first is caused by genetic mutations, and the second is caused by various adverse factors leading to neuronal death.
What should I do if I have severe migraines?
Migraine is a very common type of headache with a high incidence rate. Severe migraines can lead to nausea, vomiting, and even an inability to move, significantly impacting the patient's life and work. When migraines are severe, they can be managed by taking oral medications, specifically drugs that target migraines, mainly ergot preparations and triptans. However, these medications should not be used by patients with severe hypertension or by pregnant women. Additionally, non-steroidal anti-inflammatory drugs can also be taken to provide relief. Furthermore, symptomatic treatment should be administered for nausea and vomiting, using antiemetic drugs. If migraines frequently occur and severely affect life, preventive treatments can also be undertaken with oral medications. These mainly include receptor blockers and calcium channel antagonists.
What is a brain embolism?
Cerebral embolism refers to various abnormal emboli that enter the intracranial arteries with blood circulation, causing acute occlusion of the cerebral arteries and leading to ischemic hypoxic necrosis of the brain tissue in the supplied area. The onset is usually very sudden and dangerous, with patients rapidly developing limb paralysis, speech dysfunction, facial paralysis, and in some cases, coma, seizures, and other clinical manifestations. The most common source of embolism is the heart, such as atrial fibrillation or myocardial infarction forming mural thrombi that dislodge and enter the brain causing an embolism. Additionally, there are non-cardiac sources of embolism, such as the detachment of atherosclerotic plaques causing an embolism, as well as air embolisms and cancer cell embolisms. Cerebral embolism is an emergency and severe condition that requires prompt medical attention.
How to relieve a migraine?
Migraine is one of the most prevalent diseases among the population, mainly characterized by unilateral pulsating headaches, which can be accompanied by nausea and vomiting. The main ways to alleviate a migraine attack are: First, maintain a stable mood without too much emotional fluctuation, ensure bed rest, and rest in a quiet environment. Second, if the migraine is severe, you can take some non-steroidal anti-inflammatory painkillers for treatment, which mostly have good effects. If the results are unsatisfactory, some specific ergot pain relievers can be used for relief. Third, treat the symptoms accordingly. If there are obvious symptoms of nausea and vomiting, you can orally take or receive muscle injections of painkillers for treatment. Generally, after these treatments, there will be a significant relief from the migraine.
How is dementia diagnosed in the elderly?
Alzheimer's disease is a degenerative disease of the nervous system. The diagnosis of this disease mainly relies on the clinical manifestations of the patient, as well as some corresponding scales and some corresponding imaging examinations. In terms of examinations, it is necessary to check some neurofunctional scales, mainly cognitive function scales, common scales include some MMSE scales, and some MoCA scales. These scales are very important for diagnosing this disease. In addition, some imaging examinations need to be improved, mainly including cranial magnetic resonance imaging examinations. Cranial MRI can reveal atrophy in the patient's temporal lobe, hippocampus, and other areas, which also have an important reference value for the diagnosis of the disease. Moreover, an electroencephalogram can be performed to see some mild abnormalities, and lumbar puncture tests can also reveal some abnormally increased protein deposits.
Causes of Cerebellar Atrophy
The causes of cerebellar atrophy are quite diverse: First, some genetic diseases can lead to significant cerebellar atrophy, such as hereditary cerebellar ataxia, where patients experience obvious cerebellar atrophy. Currently, there are no effective treatments for this condition. Second, chronic alcohol poisoning from long-term drinking can lead to alcohol intoxication, which particularly damages cerebellar cells and causes cerebellar atrophy. Third, there are also some vascular diseases, such as cerebellar thrombosis. Recurrent cerebellar thrombosis can cause cerebellar atrophy. Fourth, other conditions like cerebellar inflammation and cerebellar tumors can also cause significant cerebellar atrophy. Fifth, some neurodegenerative diseases can also damage the cerebellum, such as multiple system atrophy with olivopontocerebellar atrophy, which also leads to cerebellar atrophy and manifests as ataxia.
Complications of subarachnoid hemorrhage
Subarachnoid hemorrhage is a very dangerous disease primarily caused by the rupture of the meninges or blood vessels at the base of the skull, leading to blood entering the subarachnoid space. Clinically, the most common cause is an aneurysm, but it can also occur with some arteriovenous malformations. Subarachnoid hemorrhage can cause severe headaches, nausea, vomiting, and other complications, with severe cases leading to coma. Common complications of subarachnoid hemorrhage include, firstly, rebleeding. The probability of rebleeding is very high, and if it occurs, the disability and mortality rates of the patient significantly increase. Secondly, cerebral vasospasm, which is an important complication that can lead to severe cerebral thrombosis due to intense constriction of the blood vessels. Thirdly, it can cause secondary hyponatremia, leading to electrolyte imbalance. Additionally, complications of subarachnoid hemorrhage include increased intracranial pressure, hydrocephalus, and more.
What is Parkinson's disease gait?
Patients with Parkinson's disease have a distinctive gait; typically, their torso leans forward, and their arms do not move much. When they walk, they exhibit a hurried gait with short, scurrying steps. That is, they take small steps that progressively get faster and faster, making stopping very difficult when they reach their destination. This is a typical scenario often referred to as a "scampering gait." Many experienced doctors can frame a preliminary diagnosis of Parkinson's disease just by observing the patient’s walk. Parkinson's disease also leads to unstable posture and gait, increasing the risk of falls and fractures. Therefore, it's important to take precautions at home by installing handrails to assist the patient in standing and walking, preventing accidental injuries.