Abstract #0933
An Iterative Self-Navigation Approach to Improve Image Quality in Subjects with Irregular Breathing in Whole Heart Coronary MRA.
Giulia Ginami 1,2 , Gabriele Bonanno 1,2 , Juerg Schwitter 3 , Matthias Stuber 1,2 , and Davide Piccini 4,5
1
Center for Biomedical Imaging (CIBM),
Lausanne, Switzerland,
2
Department
of Radiology, University hospital (CHUV) and University
of Lausanne (Unil), Lausanne, Switzerland,
3
Department
of Cardiology, University hospital (CHUV), Lausanne,
Switzerland,
4
Department
of Radiology, Center for Biomedical Imaging (CIBM) and
University hospital (CHUV), Lausanne, Switzerland,
5
Advanced
Clinical Imaging Technology, Siemens Healthcare IM BM
PI, Lausanne, Switzerland
In this study, differences in the respiratory patterns
of volunteers and patients were analyzed and reported
using a respiratory self-navigated approach.
Furthermore, a novel iterative approach for
self-navigation was developed and described. This
technique has the advantage of being independent from
the choice of a specific respiratory reference position
for motion correction, and showed improved performances
with respect to a more standard approach when
respiratory motion correction was applied to irregular
breathing patterns of patients.
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