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Baseline neuropsychological characteristics in patients with epilepsy with left temporal lobe encephaloceles compared with left mesial temporal sclerosis
Epilepsy & Behavior ( IF 2.3 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.yebeh.2020.107397
Niyatee Samudra 1 , Monica Jacobs 1 , Joseph M Aulino 2 , Bassel Abou-Khalil 1
Affiliation  

BACKGROUND Temporal lobe encephaloceles (TE) are increasingly recognized as a cause of drug-resistant temporal lobe epilepsy. Improved recognition of these lesions offers an opportunity to treat them with a limited resection sparing the hippocampus. However, as they can be difficult to identify on imaging, additional clues pointing to the diagnosis can be helpful. We sought to understand the baseline cognitive/neuropsychological profile in patients with left temporal lobe epilepsy caused by encephaloceles compared with that caused by mesial temporal sclerosis (MTS), a common entity in the differential diagnosis. METHODS Neuropsychological testing, including language (semantic and phonemic fluency and naming), verbal memory, intelligence quotient (IQ), and executive function measures were compared across two groups (five patients with left TE and five age- and gender-matched patients with left MTS). Other clinical variables related to cognition, including patient age, electroencephalographic characteristics, epilepsy duration, and factors related to antiseizure medication dosing, were also compared between groups. RESULTS More patients with left MTS had atypical language lateralization (3/5 with right-sided language in the group with MTS compared with 0/5 in the group with TE). Patients with MTS had significantly worse scores on the Verbal Comprehension Index (VCI) subscore of the Wechsler Adult Intelligence Scale (WAIS; p = 0.026). General IQ was also worse in patients with MTS (p = 0.028). There was a trend towards worse executive function in patients with MTS as measured on Trails B (p = 0.096). Other measures related to language and verbal memory did not differ significantly between the groups nor did other relevant clinical variables, except epilepsy duration, which was significantly longer in patients with MTS (p = 0.0001). CONCLUSIONS This pilot study demonstrates few significant differences between the groups with left MTS and TE surveyed. A higher rate of atypical language lateralization was noted in patients with left MTS. The higher baseline global IQ and VCI scores in patients with left TE compared with patients with MTS may be attributable to longer duration of epilepsy in patients with left MTS. Future work with a larger sample size will focus on establishing a unique neuropsychological profile related to epilepsy due to TE.

中文翻译:

左侧颞叶脑膨出与左侧颞叶内侧硬化癫痫患者的基线神经心理特征

背景 颞叶脑膨出 (TE) 越来越多地被认为是导致耐药性颞叶癫痫的原因。更好地识别这些病变提供了一个机会,可以通过保留海马体的有限切除来治疗它们。然而,由于它们在成像上很难识别,因此指向诊断的其他线索可能会有所帮助。我们试图了解由脑膨出引起的左颞叶癫痫患者与由内侧颞叶硬化 (MTS) 引起的癫痫患者的基线认知/神经心理特征相比,MTS 是鉴别诊断中的常见实体。方法 神经心理学测试,包括语言(语义和音素流畅性和命名)、语言记忆、智商(IQ)、对两组(5 名左 TE 患者和 5 名年龄和性别匹配的左 MTS 患者)的执行功能测量进行比较。其他与认知相关的临床变量,包括患者年龄、脑电图特征、癫痫持续时间以及与抗癫痫药物剂量相关的因素,也在组间进行了比较。结果 更多左侧 MTS 患者出现非典型语言偏侧化(MTS 组右侧语言为 3/5,而 TE 组为 0/5)。MTS 患者在韦克斯勒成人智力量表 (WAIS; p = 0.026) 的言语理解指数 (VCI) 子评分中得分明显更差。MTS 患者的一般智商也更差(p = 0.028)。根据 Trails B 的测量结果,MTS 患者的执行功能有变差的趋势(p = 0. 096)。除了癫痫持续时间在 MTS 患者中显着更长(p = 0.0001)外,与语言和言语记忆相关的其他测量指标在各组之间没有显着差异,其他相关临床变量也没有显着差异。结论 这项初步研究表明,接受调查的左侧 MTS 和 TE 组之间几乎没有显着差异。左侧 MTS 患者的非典型语言偏侧化率较高。与 MTS 患者相比,左侧 TE 患者的基线整体 IQ 和 VCI 评分较高可能归因于左侧 MTS 患者的癫痫持续时间更长。未来更大样本量的工作将侧重于建立与 TE 引起的癫痫相关的独特神经心理学概况。除了癫痫持续时间在 MTS 患者中显着更长 (p = 0.0001) 外,与语言和言语记忆相关的其他指标在各组之间也没有显着差异,其他相关临床变量也没有显着差异。结论 这项初步研究表明,接受调查的左侧 MTS 和 TE 组之间几乎没有显着差异。左侧 MTS 患者的非典型语言偏侧化率较高。与 MTS 患者相比,左侧 TE 患者的基线整体 IQ 和 VCI 评分较高可能是由于左侧 MTS 患者癫痫持续时间较长。未来更大样本量的工作将侧重于建立与 TE 癫痫相关的独特神经心理学概况。除了癫痫持续时间在 MTS 患者中显着更长 (p = 0.0001) 外,与语言和言语记忆相关的其他指标在各组之间也没有显着差异,其他相关临床变量也没有显着差异。结论 这项初步研究表明,接受调查的左侧 MTS 和 TE 组之间几乎没有显着差异。左侧 MTS 患者的非典型语言偏侧化率较高。与 MTS 患者相比,左侧 TE 患者的基线整体 IQ 和 VCI 评分较高可能归因于左侧 MTS 患者的癫痫持续时间更长。未来更大样本量的工作将侧重于建立与 TE 引起的癫痫相关的独特神经心理学概况。这在 MTS 患者中明显更长(p = 0.0001)。结论 这项初步研究表明,接受调查的左侧 MTS 和 TE 组之间几乎没有显着差异。左侧 MTS 患者的非典型语言偏侧化率较高。与 MTS 患者相比,左侧 TE 患者的基线整体 IQ 和 VCI 评分较高可能归因于左侧 MTS 患者的癫痫持续时间更长。未来更大样本量的工作将侧重于建立与 TE 引起的癫痫相关的独特神经心理学概况。这在 MTS 患者中明显更长(p = 0.0001)。结论 这项初步研究表明,接受调查的左侧 MTS 和 TE 组之间几乎没有显着差异。左侧 MTS 患者的非典型语言偏侧化率较高。与 MTS 患者相比,左侧 TE 患者的基线整体 IQ 和 VCI 评分较高可能归因于左侧 MTS 患者的癫痫持续时间更长。未来更大样本量的工作将侧重于建立与 TE 引起的癫痫相关的独特神经心理学概况。与 MTS 患者相比,左侧 TE 患者的基线整体 IQ 和 VCI 评分较高可能归因于左侧 MTS 患者的癫痫持续时间更长。未来更大样本量的工作将侧重于建立与 TE 引起的癫痫相关的独特神经心理学概况。与 MTS 患者相比,左侧 TE 患者的基线整体 IQ 和 VCI 评分较高可能归因于左侧 MTS 患者的癫痫持续时间更长。未来更大样本量的工作将侧重于建立与 TE 引起的癫痫相关的独特神经心理学概况。
更新日期:2020-11-01
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