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bioimpedance

Computational methods for bioimpedance analysis

Segmentation

3D model of the human torso based on Visible Human Project

Meshes

Unstructured 3D tetrahedral mesh of the human torso

Unstructured 3D tetrahedral mesh of VHP man

Unstructured 3D tetrahedral mesh of VHP woman

Computational experiments

Computed current lines in the human body

Sensitivity field distributions for segmental BIA

Sensitivity field distribution for some electrode combinations for the assessment of body regions in segmental BIA

Head, neck, torso Head, neck, upper torso Torso (crossover) Torso (parallel) Right leg Left leg Right arm (8 electrode scheme) Right arm (10 electrode scheme) Left arm (8 electrode scheme) Left arm (10 electrode scheme) Right arm, right leg, torso

Bibliography

  1. Данилов А.А., Саламатова В.Ю., Василевский Ю.В., Смирнов А.В., Руднев С.Г., Николаев Д.В. Математическое моделирование биоимпедансных измерений. Применение к задаче оценки гидратации лёгких // Материалы 13-й научно-практической конференции «Диагностика и лечение нарушений регуляции сердечно-сосудистой системы» (Москва, Главный клинический госпиталь МВД России, 23 марта 2011 г.). Москва, 2011. С.150-162.
  2. Николаев Д.В., Василевский Ю.В., Данилов А.А., Ерюкова Т.А., Колесников В.А., Руднев С.Г., Саламатова В.Ю., Смирнов А.В. Моделирование биоимпедансных измерений организма человека // Материалы 6-й международной научной школы «Наука и инновации-2011» (18-24 июля 2011 г). Йошкар-Ола: МарГУ, 2011. С.301-308.
  3. Василевский Ю.В., Данилов А.А., Николаев Д.В., Руднев С.Г., Саламатова В.Ю., Смирнов А.В. Конечно-элементный анализ задач биоимпедансной диагностики // ЖВМиМФ, 2012, Т.52, №4, С.733–745.
  4. Danilov A.A., Nikolaev D.V., Rudnev S.G., Salamatova V.Yu., Vassilevski Yu.V. Modelling of bioimpedance measurements: unstructured mesh application to real human anatomy // Russ. J. Numer. Anal. Math. Modelling, 2012, Vol. 27, No. 5, P.431–440. DOI: 10.1515/rnam-2012-0024
    • The paper introduces the finite element method applied to bioimpedance modeling. The numerical analysis is performed for simplified torso model and some preliminary results are presented for detailed anatomical torso model.
  5. Danilov A.A., Kramarenko V.K., Nikolaev D.V., Rudnev S.G., Salamatova V.Yu., Smirnov A.V., Vassilevski Yu.V. Sensitivity field distributions for segmental bioelectrical impedance analysis based on real human anatomy // J. Phys.: Conf. Series, 2013, 434: 012001 DOI: 10.1088/1742-6596/434/1/012001
  6. Danilov A.A., Kramarenko V.K., Nikolaev D.V., Yurova A.S. Personalized model adaptation for bioimpedance measurements optimization // Russ. J. Numer. Anal. Math. Modelling, 2013, Vol. 28, No. 5, P.459–470. DOI: 10.1515/rnam-2013-0025
    • The paper introduces patient-specific model adaptation and unstructured mesh generation. The preliminary results of sensitivity analysis for the ten-electrode scheme and full body model are presented.
  7. Vassilevski Yu.V., Danilov A.A., Gamilov T.M., Ivanov Yu.A., Pryamonosov R.A., Simakov S.S. Patient-specific anatomical models in human physiology // Russ. J. Numer. Anal. Math. Modelling, 2015, Vol. 30, No. 3, P.185–201. DOI: 10.1515/rnam-2015-0017
  8. Danilov A., Kramarenko V., Yurova A. Modeling and Analysis of Bioimpedance Measurements // Lecture Notes in Computer Science, 2014, Vol. 8676, P.287–294. DOI: 10.1007/978-3-319-13692-9_28
    • The paper focuses on comparison of sensitivity field distributions and relative tissue contribution for a Kubicek-like scheme and two eight-electrode segmental torso schemes.
  9. Danilov A.A., Kramarenko V.K., Yurova A.S. Modelling of Bioimpedance Measurements: Application to Sensitivity Analysis // Lecture Notes in Computer Science, 2014, Vol. 8641, P.328–338. DOI: 10.1007/978-3-319-09994-1_33
    • This paper presents the numerical analysis of the computational schemes for bioimpedance modeling and provides the results of sensitivity analysis of the ten-electrode scheme with different positions of the arms.
  10. Danilov A., Rudnev S., Vassilevski Y. Numerical Basics of Bioimpedance Measurements / In: Simini F., Bertemes-Filho P. (eds) Bioimpedance in Biomedical Applications and Research. Springer, Cham. P.117–135. DOI: 10.1007/978-3-319-74388-2_8
    • The paper presents the application of finite element method (FEM) to bioimpedance modeling including the following stages: 3D image segmentation, adaptive unstructured mesh generation, finite element discretization, as well as construction and visualization of current density, potential, and sensitivity fields.
bioimpedance.txt · Last modified: 2021/03/18 19:30 by Alexander Danilov