Hipotens？o intracraniana espontanea tratada com tamponamento sanguíneo peridural: relato de caso

background and objectives: spontaneous intracranial hypotension (sih) is a syndrome characterized by postural headache associated to csf hypotension, which is rapidly resolved with decubitus. therapy varies from conservative approaches to invasive procedures, such as epidural blood patch. this study aimed at presenting a case of postural headache secondary to sih and treated with epidural blood patch. case report: female patient, 33 years old, caucasian, for seven months suffering from daily orthostatic holocrainal headache, followed by nausea and vomiting, triggered by orthostatism and relieved by decubitus. no history of dural puncture or other reason for fistula. previous history of migraine for more than ten years. neurological evaluation has shown no deficits, however she had difficulties to walk due to dizziness and headache. lumbar puncture has shown csf hypotension. an epidural blood patch was performed in l3-l4 with autologous blood, without intercurrences and resolving her headache. conclusion: epidural blood patch was effective to treat sih not resolved with conservative approaches.