Myocardial strain imaging with tagged MRI

Nicholas J. Tustison; Dana Abendschein; Victor G. Dávila-Román; Amir A. Amini

Myocardial strain imaging with tagged MRI

Nicholas J. Tustison
, Dana Abendschein
, Victor G. Dávila-Román
, Amir A. Amini

Research output: Contribution to journal › Article › peer-review

Abstract

A 4-D B-spline model has been created to accurately capture the dynamic motion of the heart from tagged magnetic resonance imaging (MRI) enabling displacement field reconstruction of myocardial deformation. The 4-D model is allowed to deform based on the location of the tag lines for all frames within the constraints of the model's spatio-temporal internal energy. From a displacement field, the corresponding long and short axis Lagrangian strain maps are produced. Motion fields from simulated data produced by a cardiac motion simulator are used to create corresponding strain images. In addition, strain images produced from porcine data with posterolateral myocardial infarction are illustrated.

Original language	English
Pages (from-to)	723-726
Number of pages	4
Journal	Proceedings - International Conference on Pattern Recognition
Volume	16
Issue number	1
State	Published - 2002

Cite this

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abstract = "A 4-D B-spline model has been created to accurately capture the dynamic motion of the heart from tagged magnetic resonance imaging (MRI) enabling displacement field reconstruction of myocardial deformation. The 4-D model is allowed to deform based on the location of the tag lines for all frames within the constraints of the model's spatio-temporal internal energy. From a displacement field, the corresponding long and short axis Lagrangian strain maps are produced. Motion fields from simulated data produced by a cardiac motion simulator are used to create corresponding strain images. In addition, strain images produced from porcine data with posterolateral myocardial infarction are illustrated.",

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AB - A 4-D B-spline model has been created to accurately capture the dynamic motion of the heart from tagged magnetic resonance imaging (MRI) enabling displacement field reconstruction of myocardial deformation. The 4-D model is allowed to deform based on the location of the tag lines for all frames within the constraints of the model's spatio-temporal internal energy. From a displacement field, the corresponding long and short axis Lagrangian strain maps are produced. Motion fields from simulated data produced by a cardiac motion simulator are used to create corresponding strain images. In addition, strain images produced from porcine data with posterolateral myocardial infarction are illustrated.

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Myocardial strain imaging with tagged MRI

Abstract

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