30% of epilepsy patients must be treated surgically to obtain results Epilepsy is one of the more common diseases that endanger people’s health and belongs to a common disease, and all patients with suspected epilepsy must have an EEG machine to confirm the diagnosis. According to Peng Zhiqiang, director of neurosurgery at the District Hospital of Traditional Chinese Medicine, all epileptic patients must take antiepileptic drugs regularly under the guidance of a specialist. After systematic drug treatment, about 70% of patients can have their seizures completely controlled or significantly reduced after treatment, so that they can work, study or live normally. However, there are still 30% of patients who are still difficult to control and have frequent seizures for a long time. With the rapid development of neurosurgery, most of these patients with intractable intractable epilepsy can have their seizures completely controlled or significantly improved through surgery, and good results have been achieved. In addition, for epilepsy caused by brain tumors, cerebrovascular disease and other focal lesions, surgery is the only way to cure them. Video EEG has become the “gold standard” for preoperative localization. Video EEG is a combination of EEG and camera system. This allows the physician to do the EEG for the patient and at the same time to make a video recording, and through the software to correspond the EEG and video images of each moment one by one, it is possible to watch the simultaneous video recording of the patient’s seizure while looking at the EEG, which greatly improves the recognition of the seizure event and allows the interference of artifacts to be shaved off relatively easily. For this reason, video EEG is considered a necessary device for epilepsy diagnosis and treatment, and the “gold standard” for preoperative epilepsy surgical localization. Before undergoing surgery, Fang was diagnosed with secondary epilepsy caused by a left frontal cavernous hemangioma through a CT scan. In the ward, she was monitored in real time by a 24-hour video EEG machine. Based on Fang’s EEG results and the actual situation of her condition during seizures, Director Peng initially determined the extent of the lesion that caused Fang to develop epileptic symptoms. Real-time dynamic monitoring provided an effective basis for accurate diagnosis and treatment. Based on the CT localization and EEG analysis of the lesions, Peng performed a cavernous hemangioma plus epilepsy foci resection surgery for Fang. In order to ensure that all the epileptic foci were removed, Director Peng also conducted intraoperative tests on Fang’s brain using cortical EEG. It turned out that the EEG showed abnormal brain waves behind the resected lesions. For this reason, the doctor further performed cortical thermal cautery to suppress the abnormal brain discharge. According to Director Peng, without the real-time monitoring of the video EEG during surgery, the preoperative diagnosis by CT or MR alone may make the surgery incomplete and cause many patients to have “recurrence” of epilepsy after surgery. The comprehensive analysis of video EEG can help doctors to determine the relationship between abnormal waveforms and clinical manifestations of patients, such as certain movement artifacts, and reduce the occurrence of misdiagnosis and underdiagnosis. It also facilitates more accurate targeting of lesions intraoperatively. In addition to being the “gold standard” for preoperative diagnosis and treatment of epilepsy, video EEG also has its “special effect” on the diagnosis or auxiliary diagnosis of multiple intracranial occupational lesions and intracranial inflammation. The video EEG also has its own “special effect” on the diagnosis of multiple intracranial occupational lesions and intracranial inflammation. For example, for patients with traumatic brain injury, EEG may reveal abnormalities in minor brain injuries that are difficult to determine by general examination, such as concussions where CT may appear normal and EEG may be abnormal. In addition, video EEG helps to diagnose central nervous system infections, such as various meningitis, encephalitis, and cerebral parasitic diseases. Disorders of consciousness, carbon monoxide poisoning, alcohol poisoning, hypoxia, and drug intoxication can all show EEG abnormalities under EEG monitoring. For metabolic diseases, such as hepatic encephalopathy, hepatomegaly, uremia and other encephalopathies; diseases of intellectual disorders, such as congenital dementia, hydrocephalus, mental retardation and cerebral palsy. Cerebrovascular diseases: cerebral hemorrhage, cerebral thrombosis, and brain tumor diagnosis are of great significance.