PDPH Risk After Tuohy ADP — FRCA Final MCQ

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EasyObstetric AnaesthesiaPDPH Risk After Tuohy ADPFRCA Final

What is the risk of post-dural puncture headache (PDPH) after accidental dural puncture with a 16G Tuohy needle during epidural insertion?

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Correct answer: D — About 50-80%

PDPH risk after ADP with 16G Tuohy: approximately 50-80% (large calibre, cutting tip). Characterised by postural headache worse sitting/standing, improved lying flat. Onset 24-48h. Initial management: conservative (fluids, caffeine, simple analgesia). Definitive: epidural blood patch if symptoms persist >24-48h.

Reference: OAA – 2023 – Management of accidental dural puncture and PDPH