Use of TEOAE, ABR, and Acoustic Reflex Measures to Assess Auditory Function Patients With Acoustic Neuroma Cochlear and neural auditory function for a series of 30 patients with acoustic neuroma was assessed pre- and postoperatively by transiently evoked otoacoustic emission (TEOAE), auditory brain stem response (ABR), and acoustic reflex measures. Employing a retrosigmoid surgical approach, physical integrity of the acoustic nerve was preserved for 22 patients. ... Research Article
Research Article  |   November 01, 1992
Use of TEOAE, ABR, and Acoustic Reflex Measures to Assess Auditory Function Patients With Acoustic Neuroma
 
Author Affiliations & Notes
  • Martin S. Robinette
    Mayo Clinic, Rochester, MN
  • Christopher D. Bauch
    Mayo Clinic, Rochester, MN
  • Wayne O. Olsen
    Mayo Clinic, Rochester, MN
  • Stephen G. Harner
    Mayo Clinic, Rochester, MN
  • Charles W. Beatty
    Mayo Clinic, Rochester, MN
Article Information
Hearing & Speech Perception / Hearing Disorders / Balance & Balance Disorders / Research Articles
Research Article   |   November 01, 1992
Use of TEOAE, ABR, and Acoustic Reflex Measures to Assess Auditory Function Patients With Acoustic Neuroma
American Journal of Audiology, November 1992, Vol. 1, 66-72. doi:10.1044/1059-0889.0104.66
History: Received March 3, 1992 , Accepted May 1, 1992
 
American Journal of Audiology, November 1992, Vol. 1, 66-72. doi:10.1044/1059-0889.0104.66
History: Received March 3, 1992; Accepted May 1, 1992

Cochlear and neural auditory function for a series of 30 patients with acoustic neuroma was assessed pre- and postoperatively by transiently evoked otoacoustic emission (TEOAE), auditory brain stem response (ABR), and acoustic reflex measures. Employing a retrosigmoid surgical approach, physical integrity of the acoustic nerve was preserved for 22 patients. TEOAEs were observed preoperatively for 13 patients and postoperatively for 6 of them. Postoperative neural function remained unchanged or improved following surgery for 7 patients, and cochlear function decreased. TEOAE, ABR, and acoustic reflex measurements were considered valuable in providing information about site of lesion and probable mechanisms of injury associated with tumor removal.

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