Which needle size lowers the risk of a post-lumbar puncture (LP) headache?

Updated: Aug 02, 2018
  • Author: Gil Z Shlamovitz, MD, FACEP; Chief Editor: Helmi L Lutsep, MD  more...
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Data suggest an inverse linear relation between needle gauge and headache incidence, and some authors recommend using a 22-gauge needle regardless of what size needle is supplied with the kit. [13]

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