Seizure outcome after resective epilepsy surgery in patients with low IQ

Epilepsy surgery has been questioned for patients with low IQ, since a low cognitive level is taken to indicate a widespread disturbance of cerebral function with unsatisfactory prognosis following resective surgery. The prevalence of epilepsy in patients with cognitive dysfunction is, however, high...

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Bibliographic Details
Published in:Brain (London, England : 1878) England : 1878), 2008-02, Vol.131 (2), p.535-542
Main Authors: Malmgren, Kristina, Olsson, Ingrid, Engman, Elisabeth, Flink, Roland, Rydenhag, Bertil
Format: Article
Language:English
Subjects:
Adolescent
Adult
Age of Onset
Biological and medical sciences
Child
Child, Preschool
complications
Epidemiologic Methods
Epilepsies
Epilepsies, Partial - pathology
Epilepsies, Partial - psychology
Epilepsies, Partial - surgery
epilepsy surgery
Female
focal epilepsy
Headache. Facial pains. Syncopes. Epilepsia. Intracranial hypertension. Brain oedema. Cerebral palsy
Humans
Infant
Infant, Newborn
Intellectual Disability - complications
Intelligence
Intelligence Tests
Learning Disorders
Learning Disorders - complications
low IQ
Male
MEDICAL AND HEALTH SCIENCES
Medical sciences
MEDICIN
MEDICIN OCH HÄLSOVETENSKAP
MEDICINE
Mental Retardation
Middle Aged
Nervous system (semeiology, syndromes)
Neurology
Newborn
Partial
pathology
Postoperative Complications
Preschool
Prognosis
psychology
seizure outcome
surgery
Treatment Outcome
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Description
Summary:Epilepsy surgery has been questioned for patients with low IQ, since a low cognitive level is taken to indicate a widespread disturbance of cerebral function with unsatisfactory prognosis following resective surgery. The prevalence of epilepsy in patients with cognitive dysfunction is, however, higher than in the general population and the epilepsy is often more severe and difficult to treat. It is therefore important to try to clarify whether IQ predicts seizure outcome after resective epilepsy surgery. The Swedish National Epilepsy Surgery Register, which includes data on all epilepsy surgery procedures in Sweden since 1990, was analysed for all resective procedures performed 1990–99. Sustained seizure freedom with or without aura at the 2-year follow-up was analysed as a function of pre-operative IQ level categorized as IQ
ISSN:0006-8950
1460-2156
1460-2156
DOI:10.1093/brain/awm296