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Early seizures after severe closed head injury
1Department of Neurosurgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan, Republic of China.
Summary
Early seizures after severe head injury occur in 3.6% of patients. While not linked to recovery, early post-traumatic seizures may reduce mortality with appropriate treatment.
Area of Science:
- Neuroscience
- Trauma Surgery
- Clinical Neurology
Background:
- Investigating the occurrence and impact of early seizures following severe closed head injuries.
- Understanding the clinical significance of post-traumatic seizures in trauma patients.
Purpose of the Study:
- To determine the incidence of early post-traumatic seizures after severe closed head injury.
- To assess the clinical significance, including mortality and neurological recovery, of these seizures.
Main Methods:
- Prospective study of 3340 adult patients with severe closed head injuries (Glasgow Coma Scale 3-8).
- Patients did not receive anticonvulsants unless seizures were evident.
- Clinical observation and CT scan data were utilized.
Main Results:
- 121 patients (3.6%) had seizures within 1 week; 42 (1.26%) within 24 hours.
- Intracerebral parenchymal damage was slightly more common in patients with early seizures, but not statistically significant.
- Patients with early seizures exhibited a significantly lower mortality rate (p < 0.01).
- Early seizures did not influence neurological recovery at 6 months in survivors.
Conclusions:
- Intracerebral parenchymal damage does not elevate the risk of early post-traumatic seizures.
- Early seizures in severe head injury patients, when treated, are associated with reduced mortality.
- The occurrence of early seizures does not impact long-term neurological recovery for survivors.