Severe persistent visual field constriction associated with vigabatrin
- 17 January 1998
- Vol. 316 (7126) , 232-233
- https://doi.org/10.1136/bmj.316.7126.232
Abstract
# Benefit:risk ratio must be calculated for individual patients {#article-title-2} Editor-Symptomatic visual field defects have been reported rarely in patients treated with antiepileptic drugs, including vigabatrin.1 2 3 I recently attended an international meeting in London, sponsored by Hoechst Marion Roussel, which was held to evaluate the latest data and to make recommendations for clinical practice. Since 1990, Hoechst Marion Roussel has received reports of visual field defects in patients treated with vigabatrin (usually in combination with other antiepileptic drugs). The overall incidence, based on epidemiological studies, is estimated to be 14.5/10 000 patients with epilepsy a year.4 The occurrence of sporadic visual field defects in untreated epilepsy and their relation to the severity, type, and duration of the disease and possibly other factors such as use of antiepileptic drugs remain to be established. It is, however, apparent from recent reports that in a small group of patients receiving vigabatrin, either alone or in combination with other antiepileptic drugs, a specific pattern …Keywords
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