The surgical procedure on the labyrinth for the relief of vertigo is at present limited to cases with unilateral labyrinthine involvement and, perhaps with exceptions, to those without preservable hearing in the affected ear.
The indications for surgical treatment could, however, be considerably broadened if an excellent method could be found to destroy the vestibular function or at least enough of it to eliminate the vertigo and at the same time preserve or even improve the hearing. The indications would then also include the by no means rare bilateral involvement of the labyrinth and the frequent cases with usable hearing in the affected ear.
The possibility that this aim could be achieved is suggested by the fact that after coagulation of the labyrinth (Day's operation) the hearing is preserved and in some cases even improved beyond the preoperative level. It is, however, at present impossible to know beforehand in which
HONJO S, FURUKAWA R. The Surgical Treatment of Vertigo. AMA Arch Otolaryngol. 1956;63(2):153–157. doi:10.1001/archotol.1956.03830080039009
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