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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
Causes of Alzheimer's Disease in the Elderly
The causes of dementia in the elderly are not currently completely clear. Dementia in the elderly is mainly divided into familial and sporadic types. Familial dementia shows autosomal dominant inheritance, which is caused by a gene mutation on chromosome 21 leading to the accumulation of some toxins, resulting in the death of neurons and causing dementia fundamentally due to genetic mutations. However, most cases of dementia are sporadic and do not have a clear family history. The mechanisms and reasons for disease onset are not particularly clear. Some believe that abnormalities in cerebral vascular function may lead to neuronal cell functional disorders, resulting in decreased ability to clear certain cell toxins, thus leading to neuronal apoptosis and death, and consequently impaired cognitive functions. In addition, factors such as oxidative stress, inflammatory mechanisms, excessive fatigue, and emergency stress may also cause cell death. Overall, the causes of dementia in the elderly are not particularly clear.
How to relieve headache from encephalitis
Encephalitis is mainly divided into viral encephalitis, bacterial encephalitis, and tubercular meningitis, among others. Encephalitis usually causes patients to experience fever, headache, nausea, and vomiting. The cause of headaches includes the pain response due to inflammation stimulating the meninges. Moreover, these infections can cause an increase in intracranial pressure, leading to significant symptoms in patients such as headache, nausea, and vomiting. To alleviate headaches, it is important to actively treat the primary disease. This includes administering antiviral drugs for viral infections, and antibiotics for bacterial infections. If the headache is caused by increased intracranial pressure, it is crucial to actively administer dehydrating agents and drugs that lower intracranial pressure to reduce it, thereby relieving the headache. Additionally, the use of glucocorticoids can be combined to manage the treatment, suppress the inflammatory response, and alleviate pain. If the pain is significant, non-steroidal anti-inflammatory drugs may also be administered to relieve the pain. The treatment of pain in encephalitis is a comprehensive issue that requires addressing the pathogen, dehydration, reduction of intracranial pressure, and symptomatic treatment.
What are the psychological manifestations of patients with epilepsy?
Patients with epilepsy disorder display various psychological disturbances, which have received extensive attention from neurology experts in recent years. Overall, the psychological manifestations of epilepsy patients primarily include: First, refusal to speak, where epilepsy patients exhibit clear symptoms of being uninterested in anything, valuing themselves very lowly, and lacking self-worth. Second, anxiety, which is also a common emotion among epilepsy patients who constantly worry about having seizures, especially in public places, leaving a significant psychological impact on themselves. Third, epilepsy patients usually possess a fairly obvious sense of inferiority, feeling unable to lift their heads in front of others. Fourth, complex psychological disturbances, where epilepsy patients typically experience coexisting psychological disorders, such as simultaneous anxiety and depression, or compulsions coexisting with depression. Therefore, accurate diagnosis and treatment of epilepsy must pay close attention to the psychological expressions of the patients.
How does one get Parkinson's disease?
Parkinson's disease is a degenerative disease of the nervous system. The actual mechanism of the disease is not very clear, and its fundamental cause has not yet been identified. It is generally believed that Parkinson's disease is mainly caused by the following factors. First, genetic factors. Some cases of Parkinson's disease have a clear familial tendency, where patients may experience mutations in synaptic nuclear protein genes, leading to abnormal aggregation of these proteins. This abnormal aggregation can damage the neurons in the substantia nigra of the midbrain, leading to Parkinson's disease. Second, there are some external factors related to sporadic cases of Parkinson's. These may be closely related to oxidative stress, trauma, poisoning, or an excessive stress response of the body. However, the specific cause is not very clear. Parkinson's disease, which causes symptoms such as bradykinesia, tremors, and rigidity, requires active treatment to improve the quality of life of the patients.
Is facial neuritis inflammation?
Bell's palsy is essentially an inflammatory reaction, but this inflammation is a nonspecific type. It also exhibits the typical inflammatory symptoms of redness, swelling, heat, and pain. However, this inflammation is not caused by direct infection from viruses, bacteria, or fungi. Since Bell's palsy is an inflammatory condition, its treatment must include corticosteroids for management. Additionally, administration of B vitamins is necessary to promote nerve function recovery. Moreover, targeted rehabilitation exercises, acupuncture, and local physiotherapy from the rehabilitation department also play a vital role in the recovery from Bell's palsy. Generally, with proper and timely treatment, Bell's palsy can fully recover, and most patients will not experience any impact on their future quality of life. However, if the symptoms of Bell's palsy are very severe, and the patient has a history of diabetes, the prognosis may be poorer.
Can people with cerebral embolism eat beef?
Patients with cerebral embolism can eat beef, as it contains rich high-quality proteins. These proteins can enhance the body's resistance and prevent complications such as lung and urinary tract infections following a cerebral embolism. Additionally, beef is rich in B vitamins such as vitamin B1 and B12, which also nourish the nerves. Cerebral embolism is an acute disease that often strikes suddenly, generally in patients with a history of atrial fibrillation, presenting with rapid onset and paralysis of limbs. Treatment involves timely administration of anticoagulants and statin drugs. Furthermore, after stabilization of the condition, active rehabilitation training is important. In terms of diet, in addition to beef, patients can also consume milk and eggs and should eat a variety of fresh vegetables and fruits. (Note: The answer is for reference only, please use medication under the guidance of a professional physician and do not self-medicate.)
How to test for meningitis?
Meningitis is a very common disease in neurology, and the most common causes are infections, including viral infections, common bacterial infections, tuberculosis infections, and fungal infections. The main methods of examination for meningitis are as follows: First, physical examination. A physical examination can reveal neck stiffness in the patient, and positive meningeal irritation signs. These examinations are non-invasive and very safe. Second, a lumbar puncture can also be performed. A lumbar puncture can be used to observe whether the fluid pressure is high, and also to collect cerebrospinal fluid to examine its color, perform cytological and biochemical analyses, and culture the cerebrospinal fluid. This is very important to definitively determine the presence of meningitis and to identify the type of infectious agent involved. Additionally, enhanced magnetic resonance imaging can also be performed to see if there is significant enhancement of the meninges.
How is optic neuritis treated?
Optic neuritis is generally caused by demyelinating diseases of the central nervous system, such as multiple sclerosis, neuromyelitis optica, and retrobulbar neuritis, all of which can lead to the onset. The main symptoms include a decline in vision, which can affect one eye or both eyes. The treatment of optic neuritis primarily includes: First, the use of corticosteroids, which can alleviate the inflammatory response in the body and help in the recovery of optic nerve functions, is widely applied. Corticosteroids can be used systemically, and if necessary, administered retrobulbarly. Second, the intake of other immunosuppressants and immunoregulatory treatments, mainly during the remission phase, is to prevent relapse. Third, treatment can also involve the use of intravenous immunoglobulin, although it is relatively expensive. Additionally, it is necessary to take some B vitamins for related treatment.
precursors of senile dementia
The diagnosis of senile dementia must first meet the diagnostic criteria for dementia, primarily characterized by impairment in multiple cognitive areas such as memory, language skills, executive function, and computational ability, and these impairments affect daily life; this is called senile dementia. Before dementia occurs, there are some precursory signs, mainly slight declines in memory. For example, patients might occasionally forget to bring keys when going out, or forget to turn off the stove while cooking. These mild memory impairments are some of the precursors to senile dementia. Additionally, there is a decline in learning ability, including the symptoms of learning new knowledge and mastering new skills; these declines are also precursors to senile dementia. Therefore, the precursors of senile dementia can primarily be summarized as a slight decline in memory function and some slight decline in learning ability.
Acupuncture treatment for optic neuritis
Optic neuritis is generally caused by demyelinating diseases, which are commonly seen in neurology such as multiple sclerosis and neuromyelitis optica. These conditions affect the function of the optic nerve, leading to a noticeable decline in the patient's vision. In addition to the use of high doses of steroids during the acute phase of treatment, ophthalmology can also administer corticosteroids via retrobulbar injection for corresponding treatment, along with some immunomodulatory therapies. In the field of traditional Chinese medicine, acupuncture treatment is advocated for vision impairment caused by optic neuritis. Studies suggest that acupuncture can help improve vision recovery and is effective in improving the active vision of the eyeball. This treatment can generally continue from two weeks to about two months. Many patients report that acupuncture treatment tends to have a relatively good prognosis. Hence, apart from pharmacological treatments, acupuncture can be utilized as an adjunct therapy for optic neuritis.