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February 1989

Long-term Hearing Results Following Middle Fossa Vestibular Nerve Section

Author Affiliations

Chapel Hill, NC

Arch Otolaryngol Head Neck Surg. 1989;115(2):141. doi:10.1001/archotol.1989.01860260015005

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At the American Neurotology Society meeting as part of the Combined Spring Otolaryngology meeting, Palm Beach, Fla, April 1988, Michael E. Glasscock III, MD, Glenn D. Johnson, MD, and Dennis S. Poe, MD, Nashville, Tenn, reported on hearing following middle fossa vestibular nerve section. They presented long-term audiologic follow-up of between five and 15 years in 46 patients who underwent middle fossa vestibular nerve section for intractable Meniere's disease. Although the percentage of patients with stabilized hearing was relatively high within the first two years postoperatively (61%), it dropped to 41% after a longer follow-up of five to 15 years. Patients fell into two groups based on their preoperative pure tone average (PTA), where those who had hearing at lower than 50-dB PTA preoperatively lost only 5 dB, and those with hearing less than 50-dB PTA preoperatively lost approximately 30 dB over the follow-up period. It is clear that there

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