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Greater occipital nerve blockade in cervicogenic headache
Arquivos de Neuro-Psiquiatria
Cervicocogenic headache (CeH) is a relatively common disorder. Although no ideal treatment is available so far, blockades in different structures and nerves may be temporarily effective. We studied the effects of 1-2 mL 0.5% bupivacaine injection at the ipsilateral greater occipital nerve (GON) in 41 CeH patients. The pain is significantly reduced both immediately and as long as 7 days after the blockade. The improvement is less marked during the first two days, a phenomenon we called "tildedoi:10.1590/s0004-282x1998000500004 pmid:10029873 fatcat:rh76uwo2rjcxrcjbkp7kx73hme