Scalp-recorded high-frequency oscillations in atypical benign partial epilepsy

被引:42
作者
Qian, Ping [1 ]
Li, Hui [1 ]
Xue, Jiao [1 ]
Yang, Zhixian [1 ]
机构
[1] Peking Univ, Dept Pediat, Hosp 1, 1 Xianmen St, Beijing 100034, Peoples R China
关键词
High-frequency oscillation; Atypical benign partial epilepsy; Methylprednisolone treatment; Scalp EEG; Time-frequency analysis; ELECTRICAL STATUS EPILEPTICUS; MIRROR DISEASE-ACTIVITY; TEMPORAL-LOBE EPILEPSY; SEIZURE-ONSET ZONE; FAST RIPPLES; NEOCORTICAL EPILEPSY; ROLANDIC EPILEPSY; 80-500; HZ; CHILDHOOD; EEG;
D O I
10.1016/j.clinph.2016.07.013
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Objective: To investigate how high-frequency oscillations (HFOs) were affected by methylprednisolone treatment and the clinical significance of HFOs in patients with atypical benign partial epilepsy (ABPE). Methods: In 14 ABPE patients with methylprednisolone treatment, we measured interictal HFOs and spikes during sleep in pre- and post-methylprednisolone scalp electroencephalography (EEG). Patients with benign childhood epilepsy with centrotemporal spikes (BECTS) were taken as control. Results: Before methylprednisolone treatment, 10/14 ABPE patients had HFOs, with a mean value of 85.79 per 60 s per patient, while 2/14 BECTS patients had HFOs with a mean value of 1.86 per 60 s per patient (p = 0.006). The 10 ABPE patients with HFOs tended to have more frequent epileptic negative myoclonus/atypical absences than the other 4 ABPE patients without HFOs. Rates reduced by methylprednisolone treatment were statistically significant for both spikes (p = 0.027) and HFOs (p = 0.005). The percentage of reduction was 41.8% (4653/11,133) and 95% (1141/1202) for spikes and HFOs, respectively. Conclusion: Proportion and rates of HFOs in ABPE were more prevalent than in BECTS. HFO rates reduced by methylprednisolone treatment might be more significant than spike rates. Significance: Prevalence of HFOs reflected at least some aspect of epileptic severity of ABPE. HFOs were more sensitive to methylprednisolone treatment than spikes. (C) 2016 International Federation of Clinical Neurophysiology. Published by Elsevier Ireland Ltd. All rights reserved.
引用
收藏
页码:3306 / 3313
页数:8
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