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Brainstem Auditory Evoked Potentials in Postconcussion Dizziness
M. John Rowe III, MD;
Chris Carlson
Arch Neurol. 1980;37(11):679-683.
Abstract
• Twenty-seven patients with postconcussion dizziness following minor injury to the head or neck had brainstem auditory evoked potential studies from one day to eight months (median, 37 days) following injury. All patients were normal on clinical examination at the time of study. Three patients had one or more interpeak latencies prolonged beyond the 99% tolerance limit for normal control subjects. The group mean 1-3, 2-3, and 1-5 interpeak latencies were significantly prolonged. These findings indicate that minor head or neck injury with associated subjective symptomatology may be accompanied by objectively demonstrable brainstem dysfunction.
Author Affiliations
REEGT
From the Electrodiagnostic Laboratory, Memorial Hospital Medical Center, Long Beach, Calif (Dr Rowe and Mrs Carlson), and the, Department of Neurology, UC at Irvine, Calif, (Dr Rowe).
Footnotes
Accepted for publication Nov 30, 1979.
Read in part before the 9th International Congress of Electroencephalography and Clinical Neurophysiology, Amsterdam, Sept 9, 1977, and the American Electroencephalographic Society meeting, Atlanta, Sept 20, 1979.
Reprint requests to Electrodiagnostic Laboratory, Memorial Hospital Medical Center, 2801 Atlantic Ave, Long Beach, CA 90801 (Dr Rowe).
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