Characterizing the need for multiple epidural blood patches in the treatment of postdural puncture headache: an observational study

Epidural blood patch (EBP) is an accepted treatment modality for postdural puncture headache (PDPH) refractory to conservative approaches.[1–5][1] Despite the established efficacy of EBP, some patients require more than one EBP intervention to achieve symptom resolution. The rate of repeat image