Abstract #2595
Towards a subject-specific calibration of a systole model for CMR undergoing heart rate variations
Pierre-Andr Vuissoz 1,2 , Christophe Meyer 1,2 , Jacques Felblinger 3,4 , and Laurent Bonnemains 1,2
1
Imagerie Adaptative Diagnostique et
Interventionnelle, Universit de Lorraine, Nancy,
France,
2
U947,
INSERM, Nancy, France,
3
CIC-IT
1433, INSERM, Nancy, France,
4
University
Hospital Nancy, Nancy, France
Due to heart rate variability, Cardiac Magnetic
Resonance requires the determination of a cardiac phase
model to reconstruct trigged or cine images. Calibration
of such a model can be personalized on a patient basis
using a 1D+t phase contrast real time acquisition.
Benefit of an automatic calibration in term of temporal
precision of the predicted systole phase has been tested
on twenty-three healthy volunteers. Personalized
adaptive cardiac model predicted end-systolic time
better than global model on the whole population.
Personalization of subject-specific cardiac model is
feasible automatically in MRI and reduces the prediction
error of systole.
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