Abstract #0348

Motion Compensated Free-Running 3D Fetal Magnetic Resonance Imaging: Initial Feasibility

Christopher W Roy¹, Leonor Alamo¹, Estelle Tenisch¹, John Heerfordt^1,2, Milan Prsa³, Meritxell Bach Cuadra^1,4,5, Davide Piccini^1,2, Jérôme Yerly^1,4, and Matthias Stuber^1,4

¹Radiology, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland, ²Advanced Clinical Imaging Technology, Siemens Healthcare, Lausanne, Switzerland, ³Division of Pediatric Cardiology, Department Woman-Mother-Child, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland, ⁴Center for Biomedical Imaging (CIBM), Lausanne, Switzerland, ⁵Signal Processing Laboratory 5 (LTS5), Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland

A novel framework for 3D MRI of the fetus with retrospective motion compensation is developed and its initial feasibility demonstrated. This approach enables imaging with high isotropic resolution and allows for retrospective evaluation of the complex fetal anatomy in arbitrary scan planes, setting the stage for new possibilities in the assessment of fetal diseases in utero.

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