Subscribe
283
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
Is Parkinson's disease dangerous?
Parkinson's disease is a chronic condition and a progressive degenerative disorder of the nervous system. The main symptoms include slowed movements, increased muscle tone, resting tremors, and abnormal posture and gait. The onset of the disease is slow and subtly worsens over time. Although not highly dangerous in itself and not directly life-threatening, Parkinson’s disease currently lacks a cure, and the condition gradually worsens. Generally, within about 10 to 20 years, patients may experience significant balance impairments. The main risks involve instability while walking, which can lead to falls and potentially cause fractures and other complications. In later stages, patients often become bedridden, leading to possible complications such as pulmonary infections, urinary tract infections, bedsores, and malnutrition. Therefore, Parkinson's disease is relatively mild, manageable in the early stages, but requires careful attention in later stages to prevent complications and avoid unnecessary harm.
Can encephalitis be cured?
The viruses that cause encephalitis are relatively common. Whether they can be cured depends mainly on the type of virus causing the encephalitis, the severity of the condition, and whether the treatment is timely. Generally, most cases of encephalitis, such as those caused by enterovirus infections, tend to self-heal to a certain extent. The focus should be on care to prevent complications, electrolyte disorders, overheating, and to provide appropriate antiviral treatment. Most patients can be cured. However, there are also some more dangerous types of encephalitis, such as encephalitis caused by the type B encephalitis virus, which can rapidly lead to disturbances in consciousness, seizures, and even respiratory involvement, resulting in respiratory failure. This type of encephalitis is more severe and can leave significant sequelae even if successfully treated. For herpes simplex virus encephalitis, as long as the initial symptoms are not particularly severe and antiviral medications are used in a timely manner, the prognosis is still good.
How is neuralgia treated?
Neuralgia can cause severe pain and significantly impact a patient's life. Treatment for neuralgia primarily focuses on the following aspects: First, treatment should be based on the cause of the pain. For instance, if the patient suffers from trigeminal neuralgia, antiepileptic drugs may be prescribed. Surgery may be necessary in some cases. If the neuralgia is caused by a viral infection, active antiviral treatment is required. If tumor cells invade and cause the neuralgia, tumor treatment should be administered. The second type of treatment involves symptomatic management. This mainly includes medications to relieve neuralgia, commonly comprising tricyclic antidepressants and antiepileptic drugs, which can be effective in alleviating the pain and should be taken under the guidance of a doctor.
What should I do if I always have migraines?
Migraine is a disease that severely affects quality of life. During a migraine attack, patients experience moderate to severe headaches, accompanied by nausea, vomiting, photophobia, phonophobia, and daily life is severely affected. Activities such as climbing stairs can progressively worsen the headache. If migraines occur frequently and severely affect daily life, it is advisable to undergo preventive treatment. Preventive medications primarily fall into three categories: the first category includes receptor blockers, the second category consists mainly of anti-epileptic drugs, and the third category comprises calcium channel blockers. These medications can effectively prevent the onset of migraines and can be taken under the advice of a doctor. Additionally, it is important to maintain a stable mood and ensure adequate sleep to prevent the onset of migraines.
Does subarachnoid hemorrhage have a genetic component?
Subarachnoid hemorrhage, this disease does not have a significant genetic tendency, so there is no need to worry excessively. The main cause of the bleeding is the rupture of an aneurysm, which is due to abnormal blood vessel development resulting in fusiform aneurysms that rupture and bleed under certain conditions. Additionally, there are other causes of subarachnoid hemorrhage, such as long-term smoking which can cause arterial disease, some arteriovenous malformations are also prone to rupture and bleed, and some traumatic injuries can also lead to subarachnoid hemorrhage; these are not hereditary. Subarachnoid hemorrhage is a rather dangerous condition, so it is essential to control risk factors, properly manage blood pressure, and absolutely avoid smoking. If severe headaches, nausea, and vomiting occur, it is crucial to be highly vigilant and seek medical attention at a hospital immediately.
How is encephalitis caused?
Encephalitis generally occurs when pathogens invade the central nervous system of the brain, resulting in corresponding clinical manifestations. Patients may exhibit symptoms such as headache, fever, nausea, vomiting, and even paralysis of limbs and cognitive impairments. Patients become confused, with reduced computational and comprehension abilities. Some may also exhibit psychiatric symptoms and even experience seizures and other manifestations of epilepsy. Encephalitis is caused by pathogens, commonly viruses. Viral infections that lead to what is known as viral encephalitis can spread through the bloodstream to the brain and cause illness. Additionally, bacterial infections can also cause encephalitis. There are mainly two routes for bacterial infections: one is through bloodstream transmission leading to inflammation of the nervous system, and the other can occur directly, for example, from inflammation of the mastoids, tonsils, or cavernous sinus, where bacteria directly invade the brain, leading to the respective clinical manifestations. Furthermore, tuberculosis can also infect and cause tuberculous encephalitis, meningitis, and similar conditions.
What tests are done for optic neuritis?
Optic neuritis is generally caused by demyelinating diseases, including common conditions such as neuromyelitis optica, multiple sclerosis, and retrobulbar neuritis. These diseases can severely impact the patient's vision and create significant burdens. Typically, examinations of the optic nerve are required, covering several aspects. First, an examination of the fundus is necessary, generally using an ophthalmoscope or other devices to observe the optic disc and surrounding blood vessels, which is very important. Second, a visual evoked potential test can be conducted. This test helps assess whether there is damage to the optic nerve and the severity of the damage. Third, it is necessary to complete an MRI of the optic nerve. Evaluations might include a lumbar puncture to analyze cerebrospinal fluid, and complete tests related to water channels, protein antibodies, oligoclonal bands, etc., to help confirm the diagnosis.
Can optic neuritis patients run?
Patients with optic neuritis generally suffer from demyelinating diseases of the central nervous system. In addition to optic neuritis, it can also affect the spinal cord, causing inflammation of the spinal cord. The nature of this disease is caused by the disorder of the body’s immune function. During the acute phase of the disease, the body is relatively weak, and the immune function is disordered; it is suitable for rest in bed. It is not recommended to engage in high-intensity exercise like running, as it is not beneficial for the recovery of the disease; this stage should focus on rest. If optic neuritis has been treated with corticosteroids and other treatments and the clinical symptoms have alleviated, and the patient's physical function has significantly recovered, it is then advisable to engage in running to exercise the body and enhance physical fitness. Participating in these physical activities can improve the patient's immune function and may prevent another attack.
Types of Myasthenia Gravis Crisis
Myasthenia gravis is a neurological disease. It is an autoimmune disorder primarily affecting the neuromuscular junction, leading to symptoms such as pathological fatigue, ptosis, and limb weakness. Myasthenia gravis is termed as such due to its severe nature, including crises that can impair respiratory muscles, leading to respiratory paralysis, respiratory failure, and potentially death. There are three main types of myasthenic crises. The first type is myasthenic crisis, primarily caused by insufficient medication; muscular injections can be used for treatment, and if effective, it indicates a myasthenic crisis. The second type is called cholinergic crisis, resulting from an overdose of acetylcholinesterase inhibitors, with symptoms including muscular twitching and pupil constriction. The third type is called refractory crisis, occurring when the body is insensitive to medication treatments. All these crises pose a life-threatening risk to patients and require immediate management, including tracheal intubation and, if necessary, mechanical ventilation.
How is optic neuritis diagnosed?
Optic neuritis is classified as an ophthalmological or neurological disorder, caused by demyelination of the central nervous system. Diagnosis of this condition is crucial, and the following tests are recommended: Firstly, visual evoked potentials should be performed. This test can clearly show the corresponding lesions in the optic nerve. Secondly, magnetic resonance imaging (MRI) of the optic nerve is needed. MRI can reveal changes in the optic nerve, such as thickening and edema. Thirdly, some blood tests related to bleeding should be conducted. Specifically, testing for aquaporin-4 antibodies to determine if it is neuromyelitis optica. Additionally, a lumbar puncture is also necessary. This primarily aims to check for demyelination markers, such as oligoclonal bands. Once optic neuritis is diagnosed, timely treatment is required, mainly using corticosteroids or intravenous immunoglobulin.