ArticleIEEE transactions on bio-medical engineering2021
Modeling and Reproducibility of Twin Concentric Electrical Impedance Myography.
Article in IEEE transactions on bio-medical engineering, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 12 citations in OpenAlex.
- Electrical impedance myography combined with quantitative assessment techniques in paretic muscle of stroke survivors: Insights and challenges.Frontiers in aging neuroscience · 2023Article
- On the measurement of skeletal muscle anisotropic permittivity property with a single cross-shaped needle insertion.Scientific reports · 2022Article
- Modeling and simulation of needle electrical impedance myography in nonhomogeneous isotropic skeletal muscle.IEEE journal of electromagnetics, RF and microwaves in medicine and biology · 2022Article
- Nonhomogeneous volume conduction effects affecting needle electromyography: an analytical and simulation study.Physiological measurement · 2021Article
- Article
- Skin Electrical Resistance as a Diagnostic and Therapeutic Biomarker of Breast Cancer Measuring Lymphatic Regions.IEEE access : practical innovations, open solutions · 2021Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
objectiveElectrical impedance myography (EIM) is a recent technology to assess muscle health. As of today, the clinical application of EIM has been applied only to evaluate muscle condition using non-invasive surface electrodes in contact with the skin; however, intermediate tissues at the recording site introduce confounding artifacts which reduce the technique's performance as a biomarker of neuromuscular disorders (NMD). Here, we develop and test in humans a new approach using two concentric needles for intramuscular EIM recordings.
methodsFirst, we study the recording characteristics of dual concentric needle EIM via analytical models and finite element models (FEMs). Next, the validity of the models is verified by performing experiments on saline and agar phantoms. Finally, 8 subjects with various neuromuscular diseases were studied measuring tibialis anterior, biceps, deltoid, adductor pollicis brevis, first dorsal interosseous and flexor carpi radialis muscles.
resultsAnalytical and FEM simulations are in good agreement with a maximum experimental discrepancy 8% and 9% using gauge needles 26 and 30, respectively. The inter-session reproducibility, as measured by the intraclass correlation coefficients for all muscles studied, was 0.926, which is comparable or exceeds the reproducibility of other well-established electrophysiological tests to assess muscle health.
conclusionThe reproducibility of the technique support future clinical validation of needle EIM for assessment of disease status, either as part of standard patient care or as biomarker measure in clinical trials. SIGNIFICANCE: Needle EIM has the potential of becoming a valuable diagnostic tool to evaluate NMD in adult population.
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