Ictal video-polygraphic features of perioral myoclonia with absences

被引:6
|
作者
d'Orsi, Giuseppe [1 ]
Demaio, Vincenzo [2 ]
Trivisano, Marina
Pascarella, Maria Grazia
Specchio, Luigi M.
机构
[1] Univ Foggia, Epilepsy Ctr, Clin Nervous Syst Dis, Dept Neurol Sci,Riuniti Hosp, I-71100 Foggia, Italy
[2] Opera Don Uva, Bisceglie, Italy
关键词
Perioral myoclonia with absences; Video-polygraphy; Idiopathic generalized epilepsy; Classification; Electromyography; SEIZURES; EEG;
D O I
10.1016/j.yebeh.2011.03.040
中图分类号
B84 [心理学]; C [社会科学总论]; Q98 [人类学];
学科分类号
03 ; 0303 ; 030303 ; 04 ; 0402 ;
摘要
There have been few case reports of perioral myoclonia with absences (PUMA) because of the lack of video-polygraphic recordings clarifying the electroencephalogram (EEG)-electromyogram (EMG) correlations. We describe one of the first video-polygraphic studies of PUMA in a patient who underwent repeated and prolonged split-screen video-polygraphic recordings. The ictal EEG showed generalized and irregular discharges of spikes or multiple spikes and slow waves, while two concomitant EMG patterns appeared: (1) a rhythmic enhancement of the orbicularis oris and masseter muscles on both sides with minimal asymmetry corresponding to perioral movements, and (2) a progressive increment in muscular tone in the mylohyoideus muscle corresponding to oroalimentary automatisms. Myoclonic jerks were inconstantly time-locked to the spike component of the spike-wave complex. The evidence of a complex pattern of activation of the facial muscles suggests that the involvement of subcortical central pattern generators, related to masticatory activity, through the disinhibitory effect of the spike-wave discharge is a possible pathophysiological mechanism underlying POMA. (C) 2011 Elsevier Inc. All rights reserved.
引用
收藏
页码:314 / 317
页数:4
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