The Natural History of Untreated Epilepsy in a Rural Community in Africa

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Abstract
The duration of epilepsy was evaluated in over 460 previously untreated patients who attended newly established epilepsy clinics in a rural area of Malawi. The mean duration at first attendance was 6.5 years. It was found that as the duration of active epilepsy increased, the number of patients having epilepsy of a given duration decreased. Possible explanations for this result, such as an increasing incidence of epilepsy or a high mortality rate, are considered, but thought to be unlikely. Since the distribution of patients with epilepsy of differing durations is similar to that described in a study carried out in Tonbridge, Kent, England, where the number of patients in remission was found to increase over time, it is postulated that the observed distribution also reflects remission, and that spontaneous remission of epilepsy is a frequent occurrence, independent of antiepileptic drug treatment.