Hostname: page-component-586b7cd67f-dsjbd Total loading time: 0 Render date: 2024-11-25T23:49:24.371Z Has data issue: false hasContentIssue false
  • English
  • Français

Brainstem auditory evoked potential with increased stimulus rate in minor head trauma

Published online by Cambridge University Press:  29 June 2007

Ludwig Podoshin ,
Yaacov Ben-David ,
Milo Fradis ,
Hillel Pratt ,
B. Sharf  and
M. Schwartz
Ludwig Podoshin*
Affiliation:
Department of Otolaryngology, Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel.
Yaacov Ben-David
Affiliation:
Department of Otolaryngology, Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel.
Milo Fradis
Affiliation:
Department of Otolaryngology, Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel.
Hillel Pratt
Affiliation:
Evoked Potentials Laboratory, Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel.
B. Sharf
Affiliation:
Department of Neurology, Bnai Zion Medical Center, Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel.
M. Schwartz
Affiliation:
Department of Neurology, Bnai Zion Medical Center, Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel.
*
L. Podoshin, M. D. Dept. of OtolaryngologyBnai Zion Medical Center, P.O.B. 4940, Haifa 31048, Israel.
Get access Rights & Permissions [Opens in a new window]

Abstract

Fifteen Minor Head Trauma patients were investigated by Brainstem Auditory Evoked Potentials at 10/s and 55/s stimulus rate. The results were compared with those of the same patients at a second examination, two months later, as well as with a matched normal control group. Increasing the stimulus rate in MHT patients caused a significant but reversible delay in the central conduction time. No significant difference was found regarding the interpeak latency differences at a 10/s stimulus rate. The present study suggests that the primary lesion in MHT is ischaemic, affecting synaptic efficiency, and not axonal damage. These findings may be informative on the as yet obscure pathophysiological mechanism of minor head trauma.

Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 104 , Issue 3 , March 1990 , pp. 191 - 194
Copyright
Copyright © JLO (1984) Limited 1990

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Adams, R. D., Victor, M. (1985) Principles of Neurology, 3rd edition, 34: 641–664.Google Scholar
Aquilar, EA III, Hall, JW. III, Mackey-Hargadine, J. (1986) Neurootologic evaluation of patients with acute severe head injuries: Correlations among physical findings auditory evoked responses and computerized tomography. Head and Neck Surgery, 94: 211–219.CrossRefGoogle Scholar
Ben-David, J., Gertner, R., Podoshin, L., Fradis, M., Pratt, H., Rabina, A. (1980) Auditory brainstem evoked potentials in patients suffering from peripheral focal nerve palsy and diabetes mellitus. Journal of Laryngology and Otology, 100: 629–633.CrossRefGoogle Scholar
Ben-David, J., Pratt, H., Landman, L., Fradis, M., Podoshin, L., Yeshurun, D. (1986) Comparison of auditory brain-stem evoked potentials in hyperlipidemics and normolipemic subjects. Laryngoscope, 96: 186–189.CrossRefGoogle ScholarPubMed
Browning, G. G., Swan, R. C., Gatehouse, S. (1982) Hearing loss in minor head injury. Archives of Otolaryngology, 108: 474–477.CrossRefGoogle ScholarPubMed
Bruce, D. A. (1976) Cerebral microcirculation assessed by regional blood flow alterations in damaged brain. Ed. McLaurin, RL: Head injuries, Second Chicago Symposium on Neural Trauma, 27: 2019.Google Scholar
Foltz, E. L., Schmidt, R. P. (1956) The role of reticular formation in the coma of head injury. Journal of Neurosurgery, 13: 145–149.CrossRefGoogle ScholarPubMed
Fradis, M., Podoshin, L., Ben-David, J., Pratt, H., Sharf, B., Weller, B., Waisbrot, I., Zellinger, M. (1987) Auditory brainstem evoked potentials in patients with migraine. Headache Journal, 27: 27–29.Google Scholar
Geets, W., Louette, N. (1983) EGG et potentielsevoquesdu tronc cerebral dans 125 commotions recents. Revue EEE Neurophysiologique Clinique, 13: 253–258.Google Scholar
Hall, J. W., Huang-Fu, M., Genarelli, T. A. (1982) Auditory function in acute severe head injury. Laryngoscope, 92: 883–890.CrossRefGoogle ScholarPubMed
Karnaze, D. S., Weiner, J. M., Marshall, L. F. (1985) Auditory evoked potentials in coma after closed head injury: A clinicalneurophysiologic coma scale for predicting outcome. Neurology, 35: 1122–1126.CrossRefGoogle ScholarPubMed
Kenneth, B. H. (1982) Genetic influences on binaural summation and recovery rate of the brainstem auditory evoked response. Acta Otolaryngologica, 93: 1–7.Google Scholar
Mendelow, A. D., Teasdale, G. M. (1983) Pathophysiology of head injuries. British Journal of Surgery, 70: 641–650.CrossRefGoogle ScholarPubMed
Newlon, P. G., Greenberg, R. P. (1984) Evoked potentials in severe head injury. Journal of Trauma, 24: 61–66.CrossRefGoogle ScholarPubMed
Ommaya, A. K., Rockoff, L. D., Balwin, M. (1964) Experimental concussion. Jounal of Neurosurgery, 21: 249–52.CrossRefGoogle ScholarPubMed
Pratt, H., Sohmer, H. (1976) Intensity and rate functions of cochlea and brainstem evoked responses to click stimuli in man. Archives of Oto-Rhino-Laryngology, 212: 85–93.CrossRefGoogle Scholar
Pratt, H., Ben-David, J., Peled, R., Podoshin, L., Sharf, B. (1981) Auditory brain-stem evoked potential: Clinical promise of increased stimulus rate. Electroencephalography and Clinical Neurophysiology, 51: 80–90.CrossRefGoogle Scholar
Rosenblum, J. W. (1976) Effects of trauma on directly visualized microvessels. Ed. McLaurin, R. L. Head Injuries, Second Chicago Symposium on Neural Trauma, 21: 195–201.Google Scholar
Schoenhuber, R., Bortolotti, P., Malavasi, P. (1985) Brainstem acoustic evoked potentials in 165 patients examined within 48 hours of a minor head injury, in Morocutti, C., Rizzo, P. A. (eds) Evoked Potentials: Neurophysiological and Clinical Aspects. Amsterdam, Elsevier Science Publishers, pp 237–241.Google Scholar
Schoenhuber, R., Gentilim, M., Scahano, M., Bortolotti, P. (1987) Longitudinal study of auditory brainstem response in patients with minor head injuries. Archives of Neurology, 44: 1181–1182.CrossRefGoogle ScholarPubMed
Starr, A., Achor, L. G. (1975) Auditory brain stem responses in neurological disease. Archives of Neurology (Chicago), 32: 761–768.CrossRefGoogle ScholarPubMed
Strich, S. O. (1961) Shearing of nerve fibres as a cause of brain damage due to head injury. Lancet, II: 443–8.CrossRefGoogle Scholar
Touhimaa, P. (1978) Vestibular disturbances after acute mild head injury. Archives of Otolaryngology (supplement 359): 8–52.Google Scholar