Penetrating Injury to the Brainstem After a Nailgun Accident A Case Study Research Article
Research Article  |   June 01, 1999
Penetrating Injury to the Brainstem After a Nailgun Accident
 
Author Affiliations & Notes
  • Christopher D. Bauch, PhD
    Department of Otorhinolaryngology, Mayo Clinic Rochester, Rochester, MN 55905
  • Wayne O. Olsen
    Department of Otorhinolaryngology, Mayo Clinic Rochester, Rochester, MN 55905
  • Susan G. Lynn
    Department of Otorhinolaryngology, Mayo Clinic Rochester, Rochester, MN 55905
  • Carl C. Reading
    Department of Otorhinolaryngology, Mayo Clinic Rochester, Rochester, MN 55905
  • Allan J. D. Dale
    Department of Otorhinolaryngology, Mayo Clinic Rochester, Rochester, MN 55905
Article Information
Speech, Voice & Prosodic Disorders / Hearing & Speech Perception / Hearing Disorders / Audiologic / Aural Rehabilitation / Balance & Balance Disorders / Research Articles
Research Article   |   June 01, 1999
Penetrating Injury to the Brainstem After a Nailgun Accident
American Journal of Audiology, June 1999, Vol. 8, 57-64. doi:10.1044/1059-0889(1999/003)
History: Received May 4, 1998 , Accepted December 21, 1998
 
American Journal of Audiology, June 1999, Vol. 8, 57-64. doi:10.1044/1059-0889(1999/003)
History: Received May 4, 1998; Accepted December 21, 1998

Nonfatal penetrating injuries to the brainstem offer a unique opportunity to assess subcortical auditory pathway function. A case study of a patient suffering a severe nailgun accident is presented. Hearing sensitivity and acoustic reflexes were normal bilaterally, but word recognition was reduced for one ear. Auditory brainstem response results indicated waves I–IV were present bilaterally, but wave V was absent bilaterally. Results of vestibular findings indicated central pathology also. Results of audiologic, vestibular, radiologic, neurologic, and physical medicine examinations are discussed.

Acknowledgments
We thank Dr. John Durrant for his comments and suggestions in the preparation of Figure 7. This work was presented at the Annual Convention of the American Academy of Audiology, April 17–20, 1997, Ft. Lauderdale, Florida.
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