Is the use of lumbar puncture needle reliable?

Lumbar puncture is one of the commonly used clinical examination methods, which is of great value in the diagnosis and treatment of central invasion of hematological tumors and nervous system diseases. It is simple and easy to operate and relatively safe. However, if the indications are not properly mastered, the mild cases may aggravate the original disease, and the serious cases may even endanger the safety of patients. Lumbar puncture is often used to examine the nature of cerebrospinal fluid, which is of great significance in the diagnosis of meningitis, cerebrovascular diseases, brain tumors and other neurological diseases. Sometimes it can also be used for intrathecal injection of drugs, as well as to determine intracranial pressure and to know whether the subarachnoid space is obstructed. By puncture lumbar 3 ~ 4 or 4 ~ 5 lumbar clearance released into the subarachnoid space of cerebrospinal fluid technology, normal cerebrospinal fluid has a certain pressure, cell composition and chemical composition, when the central nervous system lesions, can cause the change of the composition of cerebrospinal fluid and pressure, by lumbar puncture cerebrospinal fluid examination can understand these changes.

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