Sponge EEG is equivalent regarding signal quality, but faster than routine EEG

IF 2 Q3 NEUROSCIENCES
Michael Günther , Leonie Schuster , Christian Boßelmann , Holger Lerche , Ulf Ziemann , Katharina Feil , Justus Marquetand
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引用次数: 0

Abstract

Objective

Emergency diagnostics, such as acquisition of an electroencephalogram (EEG), are of great diagnostic importance, but there is often a lack of experienced personnel. Wet active electrode sponge-based electroencephalogram (sp-EEG) systems can be applied rapidly and by inexperienced personnel. This makes them an attractive alternative to routine EEG (r-EEG) systems in these settings. Here, we examined the feasibility and signal quality of sp-EEG compared to r-EEG.

Methods

In this case-control, single-blind, non-randomized study, EEG recordings using a sp- and a r-EEG system were performed in 18 individuals with a variety of epileptiform discharges and 11 healthy control subjects. The time was stopped until all electrodes in both systems displayed adequate skin-electrode impedances. The resulting 58 EEGs were visually inspected by 7 experienced, blinded neurologists. Raters were asked to score physiological and pathological graphoelements, and to distinguish between the different systems by visual inspection of the EEGs.

Results

Time to signal acquisition for sp-EEG was significantly faster (4.8 min (SD 2.01) vs. r-EEG 13.3 min (SD 2.72), p < 0.001). All physiological and pathological graphoelements of all 58 EEGs could be identified. Raters were unable to distinguish between sp-EEG or r-EEG based on visual inspection of the EEGs alone.

Conclusions

Sp-EEG represents a feasible alternative to r-EEG in emergency diagnostics or resource-limited settings.

Significance

Given shortage of trained personnel or resources, the easy implementation and comparable quality of a novel sp-EEG system may increase general availability of EEG and thus improve patient care.

海绵脑电图在信号质量上与常规脑电图相当,但速度比常规脑电图快
紧急诊断,如脑电图(EEG)的获取,具有非常重要的诊断意义,但往往缺乏经验丰富的人员。基于海绵的湿式活性电极脑电图(sp-EG)系统可以由缺乏经验的人员快速应用。这使它们成为在这些环境中常规脑电图(r-EEG)系统的一种有吸引力的替代品。在这里,我们检查了sp脑电图与r-EEG的可行性和信号质量。方法在这项病例对照、单盲、非随机研究中,使用sp和r-EEG系统对18名有各种癫痫样放电的个体和11名健康对照受试者进行了脑电图记录。停止时间,直到两个系统中的所有电极都显示出足够的皮肤电极阻抗。7位经验丰富、失明的神经科医生对由此产生的58个脑电图进行了目视检查。评分者被要求对生理和病理图形元素进行评分,并通过EEG的视觉检查来区分不同的系统。结果sp EEG的信号采集时间明显更快(4.8 min(SD 2.01)与r-EEG 13.3 最小值(SD 2.72),p <; 0.001)。所有58个脑电图的所有生理和病理图形元素都可以被识别。评分者无法仅根据脑电图的视觉检查来区分sp脑电图和r-EEG。结论在急诊诊断或资源有限的情况下,SP脑电图是r脑电图的一种可行替代方案。值得注意的是,在缺乏训练有素的人员或资源的情况下,一种新的sp-EG系统的简单实施和可比质量可能会增加EEG的普遍可用性,从而改善患者护理。
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来源期刊
CiteScore
3.90
自引率
0.00%
发文量
47
审稿时长
71 days
期刊介绍: Clinical Neurophysiology Practice (CNP) is a new Open Access journal that focuses on clinical practice issues in clinical neurophysiology including relevant new research, case reports or clinical series, normal values and didactic reviews. It is an official journal of the International Federation of Clinical Neurophysiology and complements Clinical Neurophysiology which focuses on innovative research in the specialty. It has a role in supporting established clinical practice, and an educational role for trainees, technicians and practitioners.
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