激光消融治疗药物难治性癫痫的室周结节性异位症

IF 8.1 1区 医学 Q1 CLINICAL NEUROLOGY Annals of Neurology Pub Date : 2024-09-19 DOI:10.1002/ana.27059
Ryan M. McCormack MD, PhD, Arjun S. Chandran MD, Samden D. Lhatoo MD, Sandipan Pati MD, Zhouxuan Li MS, Katherine Harris MD, Nuria Lacuey MD, PhD, Giridhar Kalamangalam MD, DPhil, Stephen Thompson MD, Nitin Tandon MD
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引用次数: 0

摘要

脑室周围结节性异位症(PVNH)是最常见的神经元异位症,经常导致药物抵抗性癫痫。在此,我们对使用立体脑电图(SEEG)--磁共振引导激光间质热疗(MRgLITT)--进行手术干预后预测良好癫痫预后的变量进行了描述。
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Laser Ablation of Periventricular Nodular Heterotopia for Medically Refractory Epilepsy

Objective

Periventricular nodular heterotopia (PVNH) is the most common neuronal heterotopia, frequently resulting in pharmaco-resistant epilepsy. Here, we characterize variables that predict good epilepsy outcomes following surgical intervention using stereo-electroencephalography (SEEG) -informed magnetic resonance-guided laser interstitial thermal therapy (MRgLITT).

Methods

A retrospective review of consecutive cases from a single high-volume epilepsy referral center identified patients who underwent SEEG evaluation for PVNH to characterize the intervention and outcomes.

Results

Thirty-nine patients underwent SEEG-guided MRgLITT of the seizure onset zone (SoZ) in PVNH and associated epileptic tissue. PVNH and polymicrogyria (PMG) were densely sampled with a mean of 16.5 (SD = 2)/209.4 (SD = 36.9) SEEG probes/recording contacts per patient. Ablation principally targeted just the PVNH and cortex that was abnormal on imaging was ablated (5 patients) only if implicated in the SoZ. Volumetric analyses revealed a high percentage of PVNH SoZ ablation (96.6%, SD = 5.3%) in unilateral and bilateral (92.9%, SD = 7.2%) cases. Mean follow-up duration was 31.4 months (SD = 20.9). Seizure freedom (ILAE 1) was excellent: unilateral PVNH without other imaging abnormalities, 80%; PVNH with mesial temporal sclerosis (MTS) or PMG, 63%; bilateral PVNH, 50%. SoZ ablation percentage significantly impacted surgical outcomes (p < 0.001).

Interpretation

PVNH plays a central role in seizure genesis as revealed by dense recordings and selective targeting by LITT. MRgLITT represents a transformative technological advance in PVNH-associated epilepsy with seizure control outcomes consistent with those seen in focal lesional epilepsies. In localized unilateral cases and otherwise normal imaging, PVNH ablation without invasive recordings may be considered, and this approach deserves to be explored further. ANN NEUROL 2024;96:1174–1184

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来源期刊
Annals of Neurology
Annals of Neurology 医学-临床神经学
CiteScore
18.00
自引率
1.80%
发文量
270
审稿时长
3-8 weeks
期刊介绍: Annals of Neurology publishes original articles with potential for high impact in understanding the pathogenesis, clinical and laboratory features, diagnosis, treatment, outcomes and science underlying diseases of the human nervous system. Articles should ideally be of broad interest to the academic neurological community rather than solely to subspecialists in a particular field. Studies involving experimental model system, including those in cell and organ cultures and animals, of direct translational relevance to the understanding of neurological disease are also encouraged.
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