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Year : 2014  |  Volume : 15  |  Issue : 2  |  Page : 240-244

Incidence of epilepsy and cognitive impairment following traumatic brain injury: a hospital based cross-sectional study

1 Consultant Psychiatrist, Nizamabad, India
2 I/c Professor of Psychiatry, Institute of Mental Health, Department of Psychiatry, Osmania Medical College, Hyderabad, India

Correspondence Address:
Rajasekhar Reballi
Address: H. No. 1-51/26/1, Bank Colony, Boregaon (P.O), Nizamabad-503230. Telangana
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Source of Support: None, Conflict of Interest: None

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Background: Traumatic Brain Injury (TBI) is a risk factor for epilepsy. Several studies have been conducted to estimate the incidence of epilepsy after TBI. Similarly cognitive impairment is a common consequence of TBI and a substantial source of disability. Aims: To study the incidence of epilepsy and cognitive impairment following TBI and correlate the findings with radiological abnormalities. Method: The study was conducted on 50 consecutive patients with TBI based on the assessment of clinical history for epilepsy and MMSE for cognitive impairment. Results: The incidence of epilepsy after TBI was found to be 40% in our study. It was increased to 50% among the individuals with radiological abnormality on CT scan brain following TBI. Cognitive impairment was found to be highest in individuals with frontal lobe injury (mean MMSE score – 24.13) followed by temporal lobe injury (mean MMSE score – 25.25) and parietal lobe injury (mean MMSE score 26.28). Individuals with no radiologically detectable injury had least cognitive impairment (mean MMSE score - 27.97) Moreover, cognitive impairment was more in individuals with higher number of days in hospital and greater psychological distress. Conclusion: Severity of TBI and presence of radiological abnormality influence new onset epilepsy after TBI. Similarly, injury to frontal lobe and higher number of days in hospital influence cognitive impairment after TBI.

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