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First unprovoked seizure with high recurrence risk — ABIM Board MCQ

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HardNeurologyFirst unprovoked seizure with high recurrence riskABIM Board

A 29-year-old has a first unprovoked generalized tonic-clonic seizure. She is back to baseline, metabolic testing is normal, MRI shows a left temporal cavernous malformation and EEG shows left temporal epileptiform discharges. What management is appropriate?

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Correct answer: A — Offer antiseizure medication after counseling that the structural lesion and epileptiform EEG confer high recurrence risk

The best answer is “Offer antiseizure medication after counseling that the structural lesion and epileptiform EEG confer high recurrence risk”. Both a significant structural lesion and epileptiform EEG increase recurrence risk after a first unprovoked seizure, making immediate treatment reasonable after benefits, adverse effects and preferences are discussed. Lumbar puncture is not routine without infection or inflammation, and driving restriction follows state law regardless of whether medicine is started.

Reference: AAN/AES Guideline: Management of an Unprovoked First Seizure in Adults: https://pubmed.ncbi.nlm.nih.gov/25901057/