Brazilian Journal of Pain
Brazilian Journal of Pain
Case Report

Sphenopalatine ganglion block for post-dural puncture headache after invasive cerebrospinal fluid pressure monitoring. Case report

Felipe Chiodini Machado; Gilson Carone Neto; Hazem Adel Ashmawi

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BACKGROUND AND OBJECTIVES: Post-dural puncture headache is a common complication in neuraxial anesthesia and lumbar puncture diagnostic procedures. The pathogenesis of the headache is thought to be due to a leak of cerebrospinal fluid from the puncture site that exceeds the rate of cerebrospinal fluid production, causing a downward traction of the meninges and vasodilation of the meningeal vessels mediated by the autonomous nervous system. Nowadays, the conservative treatment involves hydration, and the use of caffeine, analgesics, hydrocortisone, gabapentin, and theophylline. However, an autologous epidural blood patch is considered the definitive treatment for post-dural puncture headache and has an efficacy of up to 75%. Since this procedure comes with intrinsic risks, an alternative is the sphenopalatine ganglion block.

CASE REPORT: We describe a case report using a sphenopalatine ganglion block to treat post-dural puncture headache in a patient submitted to cerebrospinal fluid pressure monitoring with a subarachnoidal catheter inserted with a low-gauge needle.

CONCLUSION: This is the first case report of a post-dural puncture headache caused by a subarachnoid monitoring catheter successfully treated with sphenopalatine ganglion block. This technique can be a non-invasive option in the management of post-dural puncture headache, which requires more study to evaluate its efficacy and safety.


Headache, Post-dural puncture headache, Sphenopalatine ganglion block


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