To the Editor.
—Reviewing the recent article by Corkin et al,1 it is of interest and value that we were concomitantly studying two distinct populations in a similar manner.2 Our study of the Vietnam Head Injury Registry casualties and their study of the Teuber Head Injury Collection from World War II are supportive and in basic agreement, except Corkin and coworkers demonstrated an association between traumatic epilepsy and mortality following penetrating head injuries. In our population posttraumatic epilepsy did not bear a significant relationship to mortality, as shown in Table 7 of our study.2 Possible explanations for this difference include population differences, epochal differences, and a course of 25 years of medical progress in the management of penetrating head injuries.Our population (1,132 patients) was a large representative sample of patients with penetrating head injuries reported on a standard head injury registry form by various neurosurgeons in
Rish BL. Posttraumatic Epilepsy and Mortality Following Penetrating Head Injuries. Arch Neurol. 1985;42(7):627. doi:10.1001/archneur.1985.04060070013006
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