[Auditory changes in spontaneous intracranial hypotension].

Descriptive report dealing with the auditive disturbances of 3 patients with spontaneous intracranial hypotension, disorder typified for orthostatic cephalea without a know ground explaining the descent of the cerebrospinal fluid pressure. The patients presented with hypoacusis, hyperacusis, feeling of plenitude, blockade and ear pressure. The clinical picture is supposed to be linked to a low endolabyrinthine pressure, secondary to an intracranial hypotension. Review of auditive symptoms reported in the bibliography among individuals showing benign intracranial hypertension and intracranial hypotension owing to several causes.