Appraise the evidence utilizing Hierarchy of Evidence.
PICO: “In the obstetric patient who has had an ADP (P), does the prophylactic treatment of PDPH with Cosyntropin (I), compared to treatment of PDPH with an epidural blood patch (C), have a greater decrease in severity of post-dural puncture headache?” Description Appraise the evidence utilizing Hierarchy of Evidence First Author (Year); Conceptual Framework; Design/Method; Sample; Major Variables Study and their Definitions; Measurement; Data Analysis; Findings; Appraisal Worth to Practice