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November 1987

Longitudinal Study of Auditory Brain-Stem Response in Patients With Minor Head Injuries

Author Affiliations

From the Department of Neurology, University of Modena (Italy).

Arch Neurol. 1987;44(11):1181-1182. doi:10.1001/archneur.1987.00520230061015

• In a longitudinal study of 119 patients with minor head injuries, 13 had abnormal auditory brain-stem responses (ABRs) within 48 hours after trauma. At follow-up examination one month later, ten patients had abnormal ABRs. The ABRs remained stable in most patients; in nine patients they normalized. However, in six patients initially normal ABRs became abnormal. This instability limits the medicolegal application of ABR testing after minor head injury.

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