What should patients pay attention to when doing lumbar puncture

For some types of leukemia patients, in order to observe whether leukemia cells have infiltrated the central nervous system and to treat them in time if they affect the central nervous system, lumbar puncture should be performed on them. The cooperation of the patient is of great significance to the success of lumbar puncture. Patients should pay attention to the following points when doing lumbar puncture: (1) Don't be too nervous before doing lumbar puncture. The lumbar puncture operation simply inserts a very thin needle through the skin and muscle into the space between the vertebrae, and extracts a small amount of cerebrospinal fluid for biochemical and cytological examination. The main components of cerebrospinal fluid are inorganic salts and a small amount of sugar and protein. Taking such a small amount of cerebrospinal fluid will not affect the body. Chemotherapy drugs are sometimes injected into the cerebrospinal fluid for the purpose of treatment. These drugs have been selected in advance and are generally drugs with obvious effects and fewer side effects. (2) The patient's body should be in a flexed position as much as possible during lumbar puncture. The knee joint is as close to the chest as possible to fully expose the space between the vertebrae so that the doctor can smoothly insert the needle. Once the lumbar puncture needle is inserted into the human body, the patient should try to avoid coughing and postural changes, so as to avoid discomfort caused by the displacement of the lumbar puncture needle and touching the paraspinal nerve. (3) After the lumbar puncture, the patient should generally lie down for about 6 hours. The purpose of lying supine is to prevent the patient's headache due to changes in intracranial pressure after lumbar puncture. In addition, the patient should keep the local skin clean and dry to prevent infection at the puncture site. As long as the patient can understand the above precautions and actively cooperate with the doctor, the lumbar puncture examination will not cause pain to the patient, nor will it affect the patient's body. (Meikang Medical)

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