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Epilepsia. 1995 Dec;36(12):1187-94.

Sudden death in epilepsy: a study of incidence in a young cohort with epilepsy and learning difficulty.

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Department of Clinical Neurology, Institute of Neurology, London, England.


Sudden death, often seizure related, may occur in patients with epilepsy. Population-based incidence is probably on the order of 1:1,000/year. The incidence is much higher in selected groups, however. We wished to establish the incidence of sudden unexpected death (SUD) in a young cohort with severe epilepsy and learning difficulties. The study cohort included 310 pupils with epilepsy enrolled at a special residential school between April 1970 and April 1993. The follow-up period totaling 4,135 person-years included a period of residence at the school as well as time after leaving. Age and sex standardized overall mortality ratio was 15.9 [95% confidence interval (CI) 10.6-23.0], with 20 of 28 deaths considered epilepsy related. An incidence of sudden death cases of 1:295/year was noted. All 14 sudden deaths occurred when the pupils were not under the close supervision of the school and most were unwitnessed, which has implications for prevention.

[Indexed for MEDLINE]

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