After lumbar puncture, go to bed and lie down for 4 to 6 hours?

There is no specific theoretical basis for the time required to lie down on the pillow for 4 to 6 hours after lumbar puncture: if the starting point is to restore the original amount of cerebrospinal fluid, then about an hour and a half is enough, because the rate of cerebrospinal fluid production is about It is about 0.3ml per minute, and about 30ml can be produced in 100 minutes. The production rate will be faster in the case of intracranial inflammation, subarachnoid hemorrhage, low intracranial pressure, etc., and our lumbar puncture can release the most cerebrospinal fluid. It is only 20-30ml (the intracranial pressure of each ml of cerebrospinal fluid released will drop by about 8-10mmH2O), and it is difficult to release the cerebrospinal fluid when the intracranial pressure drops below 50-60mmH2O. May I ask who has released more than 40-50ml of cerebrospinal fluid during lumbar puncture? There is a clear theoretical basis for lying down with the pillow removed after lumbar puncture: a. To prevent the hypotension syndrome that occurs when the intracranial pressure is too low; b. To prevent the foramen magnum hernia due to the loss of cerebrospinal fluid when the intracranial pressure is too high; c. Reduce the final cistern pressure, promote the closure of the puncture needle hole, prevent the leakage of cerebrospinal fluid needle hole secondary low intracranial pressure; The specific requirements after lumbar puncture should be determined according to the purpose of lumbar puncture primary disease: 1. Purpose of diagnosis a. Subarachnoid hemorrhage lumbar puncture can release a little cerebrospinal fluid (1-2ml), and it is enough to lie down with the pillow for 1-2 hours; b. Inflammatory cerebrospinal fluid lumbar puncture can release 4-6ml of cerebrospinal fluid for routine biochemical examination. The supine occiput should be determined according to the level of intracranial pressure, usually 3 to 4 hours; c. Culture a few milliliters of cerebrospinal fluid, and then lie down for 3 to 4 hours after removing the occiput; 2. The purpose of treatment: a, bloody cerebrospinal fluid inflammation When the intracranial pressure is not high or the intracranial pressure is slightly elevated, as much cerebrospinal fluid should be released as much as possible to achieve the purpose of treatment, and the terminal cistern can be placed for continuous external drainage; when there is no low intracranial pressure reaction, the pillow should be removed. There are no specific requirements; b. Intrathecal injection of antibiotics should release the inflammatory cerebrospinal fluid as much as possible and then inject it. It must be required to lie down with the pillow removed, and the time should be 2 to 3 hours; c. After the normal saline, remove the pillow and lie down until the symptoms disappear;

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