<i>In vitro</i> Measurement of Red Blood Cell Aggregation Degree with Ultrasonic Peak Frequency

  • Watanabe Show
    Tokyo Metropolitan University Electrical & Electronic Engineering
  • Hanada Yousuke
    Tokyo Metropolitan University Electrical & Electronic Engineering
  • Sato Takayuki
    Tokyo Metropolitan University Electrical & Electronic Engineering

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  • 超音波スペクトルピーク周波数による<i>In vitro</i>赤血球凝集度測定
  • 超音波スペクトルピーク周波数によるIn vitro赤血球凝集度測定
  • チョウオンパ スペクトルピーク シュウハスウ ニ ヨル In vitro セッケッキュウ ギョウシュウド ソクテイ
  • Measurement of Red blood cell aggregation degree with ultrasonic peak frequency

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Abstract

<p>Blood viscosity, which strongly correlates with the aggregation degree of red blood cells (RBCs), has been identified as an important health index, especially in extracorporeal circulation treatment. The peak frequency of an ultrasonic reflection spectrum was determined to be an effective index by using real blood samples. The relationships among the aggregation sizes observed with an optical microscope, the interface sedimentation velocity, and the peak frequency were investigated after the aggregation degree of the RBCs was controlled.</p>

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