When is cerebral herniation most likely to occur following lumbar puncture (LP) for meningitis?

Updated: Jul 16, 2019
  • Author: Rodrigo Hasbun, MD, MPH; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Cerebral herniation following the lumbar tap procedure is rare in individuals with no focal neurologic deficits and no evidence of increased ICP. If it occurs, it usually does so within 24 hours after the LP; thus, herniation should always be considered in the differential diagnosis if the patient’s neurologic status deteriorates during that time frame.


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