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Dennis J. Dlugos, MD

Arch Neurol. 2001;58:1543-1546.

The effectiveness of resective surgery for the treatment of carefully selected patients with medically intractable, localization-related epilepsy is clear. Seizure-free rates following temporal lobectomy are consistently 65% to 70% in adults^{1, 2} and 68% to 78% in children.^{3, 4} Extratemporal resections less commonly lead to a seizure-free outcome, although one recent childhood series reported a seizure-free rate of 62% following extratemporal epilepsy surgery.⁵ With both temporal and extratemporal resections, additional patients have a reduction in seizures following surgery but are not completely seizure free. The identification of favorable surgical candidates has been the subject of extensive research, and many investigators have examined predictors of outcome following epilepsy surgery. However, the early identification of the potential epilepsy surgery candidate and the optimal timing of surgery have only occasionally been addressed in the literature. This issue is methodologically challenging to study since studies require large numbers of patients with new-onset partial epilepsy who are followed over time. The purpose of this article is to review the current ability for early prediction of medical intractability in patients with surgically remediable epilepsy. Emphasis will be placed on the early prediction of intractable temporal lobe epilepsy in children and adolescents, since temporal lobectomy remains the prototype epilepsy surgery, and early surgery may improve psychosocial outcome in younger patients.^{6, 7}

From the Pediatric Regional Epilepsy Program, Division of Neurology, The Children's Hospital of Philadelphia, University of Pennsylvania School of Medicine.

Corresponding author: Dennis J. Dlugos, MD, Division of Neurology, The Children's Hospital of Philadelphia, 6th Floor, Wood Building, 34th Street and Civic Center Boulevard, Philadelphia, PA 19014 (e-mail: dlugos{at}email.chop.edu).

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