List 4 factors predispose to the development of a post-dural puncture headache following lumbar puncture?

Patient Related
  • Younger age (<40)1
  • Female gender1
  • History of PDPH1
  • Chronic or recurrent headache1
  • Fear of post-LP complaints1
Procedure Related
  • Wide bore needle (<25G)1
  • 'Traumatic' cutting bevel needle tip1
  • Active withdrawal of CSF1
  • Sitting position1
  • Large volume fluid collection1
  • Multiple attempts1