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首页> 美国卫生研究院文献>Sensors (Basel Switzerland) >Analysis of Consistency of Transthoracic Bioimpedance Measurements Acquired with Dry Carbon Black PDMS Electrodes Adhesive Electrodes and Wet Textile Electrodes
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Analysis of Consistency of Transthoracic Bioimpedance Measurements Acquired with Dry Carbon Black PDMS Electrodes Adhesive Electrodes and Wet Textile Electrodes

机译：干式炭黑PDMS电极胶粘剂电极和湿纺织品电极获得的经胸生物阻抗测量结果的一致性分析

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The detection of intrathoracic volume retention could be crucial to the early detection of decompensated heart failure (HF). Transthoracic Bioimpedance (TBI) measurement is an indirect, promising approach to assessing intrathoracic fluid volume. Gel-based adhesive electrodes can produce skin irritation, as the patient needs to place them daily in the same spots. Textile electrodes can reduce skin irritation; however, they inconveniently require wetting before each use and provide poor adherence to the skin. Previously, we developed waterproof reusable dry carbon black polydimethylsiloxane (CB/PDMS) electrodes that exhibited a good response to motion artifacts. We examined whether these CB/PDMS electrodes were suitable sensing components to be embedded into a monitoring vest for measuring TBI and the electrocardiogram (ECG). We recruited N = 20 subjects to collect TBI and ECG data. The TBI parameters were different between the various types of electrodes. Inter-subject variability for copper-mesh CB/PDMS electrodes and Ag/AgCl electrodes was lower compared to textile electrodes, and the intra-subject variability was similar between the copper-mesh CB/PDMS and Ag/AgCl. We concluded that the copper mesh CB/PDMS (CM/CB/PDMS) electrodes are a suitable alternative for textile electrodes for TBI measurements, but with the benefit of better skin adherence and without the requirement of wetting the electrodes, which can often be forgotten by the stressed HF subjects.
机译：胸腔内容积保留的检测对于失代偿性心力衰竭（HF）的早期检测可能至关重要。经胸生物阻抗（TBI）测量是评估胸腔积液量的一种间接，有希望的方法。基于凝胶的粘性电极会引起皮肤刺激，因为患者需要每天将它们放在相同的位置。纺织电极可减少皮肤刺激；然而，它们不方便地在每次使用前需要润湿，并且对皮肤的粘附性差。以前，我们开发了防水可重复使用的干式炭黑聚二甲基硅氧烷（CB / PDMS）电极，该电极对运动伪影具有良好的响应。我们检查了这些CB / PDMS电极是否适合嵌入到用于测量TBI和心电图（ECG）的监测背心中。我们招募了N = 20名受试者来收集TBI和ECG数据。不同类型的电极之间的TBI参数不同。与纺织电极相比，铜网CB / PDMS电极和Ag / AgCl电极的受试者间变异性较低，并且铜网CB / PDMS和Ag / AgCl的受试者间变异性相似。我们得出的结论是，铜网CB / PDMS（CM / CB / PDMS）电极是用于TBI测量的纺织电极的合适替代品，但是它具有更好的皮肤附着力，并且不需要润湿电极，而这通常可以被遗忘由强调的HF对象。

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