Background: Post-traumatic seizures (PTS) is a well-known sequela of traumatic brain injury (TBI). The risk factors for PTS are still controversial. Studies on PTS in China are rare and no large prospective, multicenter-based studies are available.
Methods: Data were collected from 15 hospitals prospectively using standardized structured questionnaires in Shandong, a province in China with a follow-up of 2 years.
Results: A total of 3093 traumatic brain injury patients were validated and entered in this analysis. After 6 months of follow-up, 181 (59.9%) patients were identified as having PTS. The number were 236 (78.1%) and 302 after 1 year and 2 years' follow-up, respectively. The cumulative 24-month-rate of PTS is 9.8%. Among these 302 patients, 242 were male (80.1%) and 60 female (19.9%). A marked peak was seen in the young people group aged 15-24 (27.8%). Three factors were identified as significant in the multivariate model of PTS: Frontal-temporal lobar contusion, Linear fracture and Severity of TBI measured by initial Glasgow Coma Scale (GCS).
Conclusion: This prospective cohort study shows the epidemiologic features and risk factors of PTS in China. Frontal-temporal lobar contusion, linear fracture and severity of TBI measured by initial Glasgow Coma Scale (GCS) are risk factors for PTS. It is essential to establish a standard surveillance system for PTS.
Keywords: Multicenter; Post-traumatic seizures; Prospective; Risk factors.
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