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A large meta-analysis of obstetric studies dealing with PDPH found that with smaller, atraumatic needles, the risk of PDPH decreases but is still present. [25] Their findings on the types of needles which had enough studies to be pooled together, and on all epidurals together are summarized in [Table 1].Table 1: Incidence of post-dural puncture headache after dural puncture with different types of
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