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The Importance of Model Parameters and Boundary Conditions in Whole Organ Models of Cardiac Contraction

机译:模型参数和边界条件在心脏收缩全器官模型中的重要性

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摘要

We have developed a model of active contraction in the whole heart, using an anatomical geometry of a failing human heart, fitted to MRI data. Deformation in this model was driven by a model of active tension generation in human ventricular myocytes. By perturbing model parameters and boundary conditions we have predicted which metrics of cardiac function are sensitive to different parameters or boundary conditions. This allows us to begin to identify parameters that can be determined from different diagnostic modalities.
机译:我们使用了与MRI数据相适应的衰竭心脏的解剖结构,开发了整个心脏的主动收缩模型。该模型中的变形是由人心室肌细胞中产生主动张力的模型驱动的。通过扰动模型参数和边界条件,我们已经预测了哪些心功能指标对不同的参数或边界条件敏感。这使我们可以开始确定可以从不同诊断方式确定的参数。

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  • 来源
  • 会议地点 Nice(FR);Nice(FR)
  • 作者单位

    University of Oxford, Computing Laboratory Wolfson Building, Parks Road, Oxford OX1 3QD, UK;

    King's College London, Division of Imaging Sciences, The Rayne Institute 4th Floor, Lambeth Wing, St Thomas' Hospital, London, SE1 7EH, UK;

    rnKing's College London, Division of Imaging Sciences, The Rayne Institute 4th Floor, Lambeth Wing, St Thomas' Hospital, London, SE1 7EH, UK;

    rnUniversity of Oxford, Computing Laboratory Wolfson Building, Parks Road, Oxford OX1 3QD, UK;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 心脏、血管(循环系)疾病;
  • 关键词

  • 入库时间 2022-08-26 14:00:09

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