Postdural puncture headache in the obstetric population: a new approach?

Area of Science:

• Anesthesiology
• Neurology
• Pain Management

Background:

• Postdural puncture headache (PDPH) is a common complication following dural puncture.
• The gold standard treatment for PDPH is the epidural blood patch (EBP).
• Peripheral nerve blocks (PNBs) such as sphenopalatine ganglion block (SPGB), greater occipital nerve block (GONB), and trigger point infiltration (TPI) are alternative regional techniques.

Purpose of the Study:

• To evaluate the efficacy of PNBs as a treatment for PDPH.
• To compare the effectiveness of PNBs against traditional EBP treatment.

Main Methods:

• Retrospective study of PDPH cases in an obstetrics department (April 2016 - December 2017).
• Data collected included anesthetic technique, symptoms, treatment received, and Numeric Pain Score (NPS) before and after treatment.
• Analysis of outcomes for patients treated with PNBs versus EBP.

Main Results:

• 42 out of 50 PDPH cases were treated with PNBs as first-line therapy.
• A statistically significant reduction in NPS was observed after the first course of PNBs (median reduction of 6.0, p<0.001).
• A further significant reduction was noted after a second course of PNBs (median reduction of 3.5, p=0.02), though 9 patients ultimately required EBP.

Conclusions:

• SPGB, GONB, and TPI are safe and effective options for PDPH treatment.
• PNBs can reduce the need for epidural blood patches but do not eliminate it entirely.
• Further prospective studies are needed to identify factors influencing treatment success and failure.