激光杏仁核海马切开术可降低双侧颞叶癫痫对侧海马的亚临床活动:响应性神经刺激器动态记录的病例说明

Laser amygdalohippocampotomy reduces contralateral hippocampal sub-clinical activity in bitemporal epilepsy: A case illustration of responsive neurostimulator ambulatory recordings.

作者信息

Abdulrazeq Hael F, Kimata Anna R, Shao Belinda, Svokos Konstantina, Ayub Neishay, Nie Duyu, Asaad Wael F

机构信息

Department of Neurosurgery, Rhode Island Hospital, Providence, RI, United States.

The Warren Alpert Medical School of Brown University, Providence, RI, United States.

出版信息

Epilepsy Behav Rep. 2023 Dec 1;25:100636. doi: 10.1016/j.ebr.2023.100636. eCollection 2024.

Abstract

Responsive neurostimulation (RNS) is a valuable tool in the diagnosis and treatment of medication refractory epilepsy (MRE) and provides clinicians with better insights into patients' seizure patterns. In this case illustration, we present a patient with bilateral hippocampal RNS for presumed bilateral mesial temporal lobe epilepsy. The patient subsequently underwent a right sided LITT amygdalohippocampotomy based upon chronic RNS data revealing predominance of seizures from that side. Analyzing electrocorticography (ECOG) from the RNS system, we identified the frequency of high amplitude discharges recorded from the left hippocampal lead pre- and post- right LITT amygdalohippocampotomy. A reduction in contralateral interictal epileptiform activity was observed through RNS recordings over a two-year period, suggesting the potential dependency of the contralateral activity on the primary epileptogenic zone. These findings suggest that early targeted surgical resection or laser ablation by leveraging RNS data can potentially impede the progression of dependent epileptiform activity and may aid in preserving neurocognitive networks. RNS recordings are essential in shaping further management decisions for our patient with a presumed bitemporal epilepsy.

摘要

反应性神经刺激(RNS)是药物难治性癫痫(MRE)诊断和治疗中的一种重要工具,能为临床医生提供有关患者癫痫发作模式的更深入见解。在本病例说明中,我们展示了一名因推测为双侧内侧颞叶癫痫而接受双侧海马RNS治疗的患者。该患者随后基于慢性RNS数据显示癫痫发作主要来自右侧,接受了右侧激光间质热疗杏仁核海马切除术。通过分析RNS系统的皮质脑电图(ECOG),我们确定了右侧激光间质热疗杏仁核海马切除术前后左侧海马电极记录的高幅放电频率。通过RNS记录在两年期间观察到对侧发作间期癫痫样活动减少,提示对侧活动可能依赖于原发性致痫区。这些发现表明,利用RNS数据进行早期靶向手术切除或激光消融可能会阻碍依赖性癫痫样活动的进展,并可能有助于保留神经认知网络。RNS记录对于为我们这位推测为双颞叶癫痫的患者制定进一步的管理决策至关重要。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1976/10755529/08ef471ba957/gr1.jpg

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