Transcanal labyrinthectomy is frequently unsuccessful in controlling vertigo due to intractable Meniere's disease. It may in fact make the condition worse due to the formation of a traumatic neuroma. The translabyrinthine vestibular nerve section is more reliable, but the morbidity is greater. Therefore, the transcanal procedure is usually recommended as the initial procedure, but the patient is warned that a second more extensive procedure may be necessary to control dizziness.
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Linthicum et al. (1979) studied this question.
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