Xavier, João ManuelPinho, SílviaSilva, JorgeNunes, Catarina S.Cabido, HermíniaFortuna, RosárioAraújo, RitaLemos, PauloMachado, Humberto2021-05-132024-12-312020Xavier J, et al. Reg Anesth Pain Med 2020;45:373–376. doi:10.1136/rapm-2019-1010531098-7339 (Print)1532-8651 (Online)http://hdl.handle.net/10400.2/10725The gold standard for the treatment of postdural puncture headache (PDPH) is the epidural blood patch (EBP). Regional techniques-sphenopalatine ganglion block (SPGB), greater occipital nerve block (GONB) and trigger point infiltration (TPI)-can also be used for the treatment of PDPH. Our objective was to evaluate the efficacy of these peripheral nerve blocks (PNBs) in the treatment of PDPH.engjournal article10.1136/rapm-2019-101053