Journal of Biomedical Engineering Research (대한의용생체공학회:의공학회지)

The Korean Society of Medical and Biological Engineering (대한의용생체공학회)
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Comparison of Correlation Coefficients and Intraclass Correlation Coefficients Between Two-way FSI Flow Velocity of Simulated Abdominal Aorta and Human 4D Flow MRI Flow Velocity

시뮬레이션 복부 대동맥의 양방향 FSI 유속과 인체 4D flow MRI 유속의 상관계수, 급내상관계수 비교

  • Ahn, Hae Nam (Department of Biomedical Engineering, Kyungpook National University) ;
  • Kim, Jung Hun (Bio-Medical Research institute, Kyungpook National University Hospital) ;
  • Park, Ji eun (Molecular Hemodynamic & Computational Laboratory, Kyungpook National University) ;
  • Choi, Hyeun Woo (Molecular Hemodynamic & Computational Laboratory, Kyungpook National University) ;
  • Lee, Jong Min (Department of Radiology, School of Medicine, Kyungpook National University)
  • 안해남 (경북대학교대학원 의용생체공학과) ;
  • 김정훈 (경북대학교병원 생명의학연구원) ;
  • 박지은 (경북대학교 비선형 동역학 연구소) ;
  • 최현우 (경북대학교 비선형 동역학 연구소) ;
  • 이종민 (경북대학교 의학전문대학원 영상의학교실)
  • Received : 2021.06.04
  • Accepted : 2021.07.06
  • Published : 2021.08.31
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Abstract

In order to predict and prevent the disease of the abdominal aorta, which is the largest artery in the human body and the most common aneurysm, the normal arterial blood flow operation should be considered. To this end, we are trying to solve problems that may arise in the future by executing FSI based on the data obtained from 4D flow MRI. However, to match the similarity between the 4D flow MRI flow and the FSI flow, correlation was used in previous papers, but the correlation did not show the degree of agreement. Therefore, in this paper, we analyzed the correlation between the 4D flow MRI flow velocity of the human abdominal aorta and the two-way FSI flow velocity in which the three physical properties used for the aortic FSI were added to the CT abdominal aorta 3D model and the interclass correlation coefficient. As a result, the physical property M2 showed the highest similarity in correlation and intraclass correlation coefficient, and this property is intended to be helpful in the future study of the abdominal aortic two-way FSI flow rate.

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References

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