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Christopher D. Bauch, PhD; Wayne O. Olsen, PhD; Stephen G. Harner, MD

Arch Otolaryngol Head Neck Surg. 1990;116(9):1026-1029.

Abstract
• Preoperative and postoperative auditory brain-stem response results and audiologic data were reviewed for seven patients whose hearing was preserved after eighth-nerve tumor surgery. Auditory brain-stem response absolute latencies (I, III, and V) and interpeak intervals (I-III, III-V, and I-V) were identified more often postoperatively than preoperatively. Even though postoperative absolute latencies were usually abnormal, the interpeak intervals were usually normal following surgery. Postoperative hearing sensitivity was unchanged or slightly poorer for five of the seven patients, but postoperative speech discrimination was the same or better for six of the seven patients. All three patients having acoustic reflex testing showed improvement postoperatively.

(Arch Otolaryngol Head Neck Surg. 1990;116:1026-1029)

Author Affiliations
From the Section of Audiology (Drs Bauch and Olsen), Department of Otorhinolaryngology (Dr Harner), Mayo Clinic and Foundation, Rochester, Minn.

Footnotes
Accepted for publication May 15, 1990.

Presented as a poster exhibit at the annual convention of the American Academy of Audiology, New Orleans, La, April 27, 1990.

Reprint requests to Section of Audiology, Department of Otorhinolaryngology, Mayo Clinic, Rochester, MN 55905 (Dr Bauch).

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