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Epileptic nystagmus: a case study video-EEG correlation
Andrés García-Pastor1, Pilar López-Esteban, Rosa Peraita-Adrados
1Servico de Neurología, Hospital General Universitario Gregorio Marañón, Madrid, Spain.
Summary
Epileptic nystagmus, a rare condition involving rapid eye movements, was linked to occipital lobe seizures in a 70-year-old male. Video-EEG confirmed epileptic oculo-clonic status, resolving with carbamazepine.
Area of Science:
- Neurology
- Neurophysiology
Background:
- Epileptic nystagmus (EN) is an infrequent neurological event.
- It involves rapid saccades associated with epileptic discharges.
Observation:
- A 70-year-old male presented with generalized tonic-clonic seizures and partial seizures manifesting as EN.
- Clinical observations included left conjugate eye deviation, horizontal nystagmus, and visual hallucinations without loss of consciousness.
Findings:
- Video-EEG revealed right temporo-occipital epileptic activity correlating with oculo-clonic status epilepticus.
- Cranial MRI showed old occipital contusions.
- Symptoms resolved with carbamazepine (CBZ) treatment.
Implications:
- This case suggests EN may result from epileptic activation of saccadic movement centers.
- The findings highlight the link between occipital lobe epilepsy and nystagmus.
- Understanding this phenomenon aids in diagnosing and managing complex seizure presentations.