Stimulus-induced periodic discharges in response to low-frequency photostimulation in a female patient in recovery period after middle cerebral artery stroke

D. S. Kanshina, I. V. Okuneva, M. A. Surma, O. Yu. Bronov, S. S. Nikitin
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Abstract

Stimulus-induced rhythmic, periodic, or ictal discharges (SIRPIDs) represent a relatively common phenomenon recorded during a long-term electroencephalogram (EEG) monitoring allowing to capture the altered state and response to auditory, tactile or nociceptive stimulation in critically ill patients. It is a nosologically non-specific phenomenon, and its relation to ictal event remains debated. We present a clinical case in which SIRPIDs were recorded in the affected dominant hemisphere in response to low-frequency photostimulation in a 60-years-old woman recovering after middle cerebral artery stroke. No ictal events were recorded during routine EEG monitoring; the patient was not in critical condition.
低频光刺激对大脑中动脉卒中恢复期女性患者周期性放电的影响
刺激诱发的节律性、周期性或突发性放电(sirpid)是长期脑电图(EEG)监测中记录的一种相对常见的现象,可以捕捉危重患者对听觉、触觉或伤害性刺激的改变状态和反应。这是一种病毒学上的非特异性现象,其与致命事件的关系仍存在争议。我们提出了一个临床病例,其中SIRPIDs记录在受影响的主要半球响应低频光刺激在大脑中动脉中风后恢复的60岁妇女。常规脑电图监测未记录到危重事件;病人的情况并不危急。
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