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2019 年度 実績報告書

高分解能EISTとアルブミン輸送モデルによる早期リンパ浮腫診断法と予測法の確立

研究課題

研究課題/領域番号 18F18060
研究機関千葉大学

研究代表者

武居 昌宏  千葉大学, 大学院工学研究院, 教授 (90277385)

研究分担者 BAIDILLAH MARLIN  千葉大学, 工学(系)研究科(研究院), 外国人特別研究員
研究期間 (年度) 2018-04-25 – 2020-03-31
キーワードElectrical Impedance / random noise / image reconstruction / contact impedance / tomography / Lymphedema / Subcutaneous adipose tissue / long-term monitoring
研究実績の概要

c-EIST system and the prediction model of Lymphedema through the proposal of Albumin Transport Model (ATM) are very important and highly needed. However, the research of c-EIST development for Lymphedema detection was quite tough because of we lack real data from patient. Thus, it is needed more data from the clinical trial. The knowledge on our team about the development this system and prediction model, obviously can be applied on wide research area. On this study, variations of albumin concentration on fluid plasma and saline-agar phantom as a mimic of SAT were conducted because it is not established yet. It shows that the increasing the albumin concentration causes the decreasing of the resistance plasma serum in the case of globulin protein is considered as confounding factor (Baidillah, et a., 2018a). In the case of sensor attached to the object surface, the contact impedance arise and affect to the unknown impedance measurement. This study has proposed a new method to eliminate the unknown contact impedance by employing the cole-cole impedance model (Baidillah, et al., 2019a). It is obvious to conclude that the changing of impedance measurement due to increasing of albumin content level is smaller as compared with one due to the time-varying random noise. Elimination the effect of time-varying random noise is also proposed to improve the performance (Baidillah, et al., 2019b). Moreover, we proposed a method to improve the image reconstruction algorithm method in order to evaluate the changing of SAT on the long-term monitoring (Ryoma, et al., 2020).

現在までの達成度 (段落)

令和元年度が最終年度であるため、記入しない。

今後の研究の推進方策

令和元年度が最終年度であるため、記入しない。

  • 研究成果

    (5件)

すべて 2020 2019

すべて 雑誌論文 (3件) (うち国際共著 3件、 査読あり 3件、 オープンアクセス 2件) 学会発表 (2件) (うち国際学会 2件)

  • [雑誌論文] Investigation of physiological swelling on conductivity distribution in lower leg subcutaneous tissue by electrical impedance tomography2020

    • 著者名/発表者名
      Ryoma Ogawa, Marlin Ramadhan Baidillah, Shinsuke Akita, Masahiro Takei
    • 雑誌名

      Journal of Electrical Bioimpedance

      巻: 11 ページ: 1-7

    • 査読あり / オープンアクセス / 国際共著
  • [雑誌論文] Compensation of volatile-distributed current due to variance of the unknown contact impedance in an electrical impedance tomography sensor2019

    • 著者名/発表者名
      Marlin Ramadhan Baidillah、Daisuke Kawashima 、Masahiro Takei
    • 雑誌名

      Measurement Science and Technology

      巻: 30 ページ: 034002~034002

    • DOI

      10.1088/1361-6501/aafb22

    • 査読あり / 国際共著
  • [雑誌論文] Adaptive Noise Cancellation Algorithms Implemented onto FPGA-Based Electrical Impedance Tomography System2019

    • 著者名/発表者名
      Marlin Ramadhan Baidillah, Zengfeng Gao, Al-Amin S Iman, Masahiro
    • 雑誌名

      Electrical Science & Engineering

      巻: 01(20) ページ: 15-25

    • DOI

      10.30564/ese.v1i1.1043

    • 査読あり / オープンアクセス / 国際共著
  • [学会発表] A 2-D CFD Model of Albumin-rich-fluid distribution in human subcutaneous tissue for early stage of Lymphedema Prediction2019

    • 著者名/発表者名
      Dharma IA, Baidillah MR, Sugawara M, Takei M
    • 学会等名
      10th Int’l Conference on Thermofluid
    • 国際学会
  • [学会発表] Protein resistivity imaging by electrical impedance tomography for betimes diagnosis of unilateral lymphedema2019

    • 著者名/発表者名
      Sifuna MW, Baidillah MR, Yanagisawa R, Jeon M, Darma PN and Takei M
    • 学会等名
      The 4rd 4th Africa International Biotechnology and Biomedical Conference (AIBBC), 26-27 August 2019, Mombasa, Kenya
    • 国際学会

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公開日: 2021-01-27  

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