• José L Fernández-Torre and Apolinar G Díaz-Castroverde.
• Departments of Clinical Neurophysiology. Departments of Neurology, Hospital de Cabuenes, Gijón, Spain. jfernandez@humv.es
• Age Ageing. 2004 Jan 1; 33 (1): 78-81.

Objectivethe purpose of this article is to describe the clinical and electroencephalographic features of four elderly patients diagnosed as having non-convulsive status epilepticus.Methodsfour females ranging in age from 74 to 81 years were admitted to our hospital because of confusion and altered mental state. We recognised four distinctive entities: i) Absence status in a patient with pre-existing idiopathic generalised epilepsy; ii) De novo absence status of late onset precipitated by benzodiazepine withdrawal; iii) Complex partial status epilepticus in a patient with a focal brain lesion; iv) Subtle generalised status epilepticus in a comatose subject representing the final phase of convulsive status epilepticus.Conclusionsthe identification of non-convulsive status epilepticus may be particularly arduous in elderly subjects and, therefore, a high level of suspicion is essential to obtain an early diagnosis. An urgent electroencephalogram is considered as the method of choice in the diagnostic evaluation of non-convulsive status epilepticus. Finally, non-convulsive status epilepticus should be included among the causes of coma in older individuals.

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