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Epidemiology, clinical characteristics, and management of adults referred to a teaching hospital first seizure clinic.

Breen DP, Dunn MJ, Davenport RJ, Gray AJ

Department of General Surgery, Borders General Hospital, Melrose, Scotland. davebreen@lycos.com

BACKGROUND: There are scarce data describing the epidemiology, clinical characteristics, and management of adults who suffer a suspected first seizure. AIM: To describe the epidemiology, clinical characteristics, and management of adults with a suspected first seizure who are referred to a teaching hospital first seizure clinic over a one year period. DESIGN: Prospective descriptive study. METHODS: Data were collected on consecutive adults referred to the Royal Infirmary of Edinburgh between 4 February 2003 and 10 February 2004. RESULTS: 232 patients were referred to the first seizure clinic. Median age was 32 years; 53% of patients were male. Lower socioeconomic groups were more likely to present with a suspected first seizure. Nineteen per cent of patients were admitted to hospital after their suspected seizure episode. Appropriate driving advice was reported in 64% of cases. Seventy two per cent of patients were offered a first seizure clinic appointment within six weeks of referral. Nine per cent of patients had a subsequent seizure while awaiting review. Fifty two per cent of patients were confirmed as having a first seizure at the clinic, of which 56% were provoked by alcohol, recreational drugs, or sleep deprivation. Electroencephalography and computed tomography of the brain were the most common investigations ordered at the first seizure clinic (22% and 22% of patients respectively). CONCLUSION: Adults who suffer a suspected first seizure, and who make a full neurological recovery, can be safely managed as an outpatient. Around half of these patients will have a specialist diagnosis of first seizure and alcohol will be a common precipitating factor.

Published 7 November 2005 in Postgrad Med J, 81(961): 715-8.
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