Abstract #3858
A realistic MR compatible thoracic aortic phantom to study coarctations using catheterization and cine PC-MRI sequences
Jess Urbina 1,2 , Julio Sotelo 2,3 , Israel Valverde 4,5 , Marcelo Anda 2,6 , Cristin Tejos 2,3 , Daniel Hurtado 2,7 , Pablo Irarrzabal 2,3 , and Sergio Uribe 2,6
1
School of Medicine, Pontificia Universidad
Catlica de Chile, Santiago, Chile,
2
Biomedical
Imaging Center, Pontificia Universidad Catlica de
Chile, Santiago, Chile,
3
Electrical
Engineering Department, Pontificia Universidad Catlica
de Chile, Santiago, Chile,
4
Pediatric
Cardiology Unit, Hospital Virgen del Rocio, Sevilla,
Spain,
5
Instituto
de Biomedicina de Sevilla, Universidad de Sevilla,
Santiago, Spain,
6
Radiology
Department, Pontificia Universidad Catlica de Chile,
Santiago, Chile,
7
Structural
Engineering Department, Pontificia Universidad Catlica
de Chile, Santiago, Chile
Echocardiography is the most available and safe method
to study hemodynamics parameters in patient with Aortic
Coarctations, however, is operator dependent, pressures
are over-estimated. Catheterization is the gold
standard, but is invasive, non-exempt of risk and
patient have to be exposed to x-ray. New methods need to
be developed to obtain hemodynamic parameters no
invasively, however developing these methods from
patient imaging data is difficult. In this work we have
built a realistic MR compatible thoracic aortic phantom
to simulate different grade of stenosis, which can be
used to validate hemodynamic parameters obtained from
PC- MRI data under controlled experiments.
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