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  • Title: Focal clinical and electroencephalographic features in patients with juvenile myoclonic epilepsy.
    Author: Jayalakshmi SS, Srinivasa Rao B, Sailaja S.
    Journal: Acta Neurol Scand; 2010 Aug; 122(2):115-23. PubMed ID: 19845556.
    Abstract:
    OBJECTIVE: To identify prevalence and factors associated with occurrence of focal clinical and electroencephalogram (EEG) abnormalities in patients with juvenile myoclonic epilepsy (JME). MATERIALS AND METHODS: Clinical asymmetries in the seizures and focal EEG abnormalities were analyzed in 266 patients with JME. RESULTS: All the patients had myoclonic jerks (MJ) and generalized tonic-clonic seizures (GTCS); 56 (21%) had absence seizures. Asymmetry in clinical seizures was reported in 45 (16.9%) and focal EEG abnormalities were noted in 92 (45.5%) patients. Amplitude asymmetry or focal onset of generalized discharges was noted in 41 (44.6%) and independent focal EEG abnormalities in 30 (32.6%) patients. A statistically significant association was seen with the presence of GTCS and MJ (P = 0.007), a family history of epilepsy (P = 0.001) and drug resistance (P = 0.04) and the occurrence of focal EEG abnormalities. CONCLUSION: Patients with JME showed focal clinical and EEG features. These features should not be misinterpreted as indicative of partial epilepsy.
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