Prediction of 3D Cardiovascular hemodynamics before and after coronary artery bypass surgery via deep learning

Gaoyang Li1, Haoran Wang1,2, Mingzi Zhang1

  • 1Institute of Fluid Science, Tohoku University, 2-1-1, Katahira, Aoba-ku, Sendai, Miyagi, 980-8577, Japan.

Communications Biology
|January 23, 2021
PubMed

Insights

This study introduces a deep learning network for fast and accurate cardiovascular hemodynamics prediction, significantly reducing computational time for coronary heart disease treatment planning.

Area of Science:

  • Biomedical Engineering
  • Computational Biology
  • Medical Imaging

Background:

  • Clinical treatment planning for coronary heart disease relies on hemodynamic parameters.
  • Computational fluid dynamics (CFD) is used for cardiovascular hemodynamics simulation but is computationally expensive for patient-specific models.
  • High computational cost and complexity of CFD limit its clinical application.

Purpose of the Study:

  • To develop a computationally efficient deep learning method for predicting cardiovascular hemodynamics.
  • To overcome the limitations of traditional CFD in patient-specific modeling.
  • To provide accurate hemodynamic insights for clinical treatment planning.

Main Methods:

  • Development of cardiovascular hemodynamic point datasets.
  • Creation of a dual sampling channel deep learning network.
  • Analysis of the relationship between cardiovascular geometry and internal hemodynamics.

Main Results:

  • Deep learning predictions show agreement with conventional CFD methods.
  • Calculation time reduced 600-fold compared to CFD.
  • Achieved prediction accuracy of around 90% for over 2 million nodes.
  • Enabled cardiovascular hemodynamics prediction within 1 second.
  • Demonstrated universality for evaluating complex arterial systems.

Conclusions:

  • The developed deep learning method offers a computationally efficient and accurate alternative to CFD for cardiovascular hemodynamics.
  • This approach meets the needs for clinical treatment planning of coronary heart disease.
  • The method's speed and accuracy facilitate broader clinical application.

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