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Abstract #3613

Learning how to Breath: Automatic Fetal Breathing Motion Identification and Quantification using MRI

Kelly Payette1,2,3, Johannes Steinweg2,3, Jordina Aviles Verdera2,3, Pablo Lamata3, Erdem Goksen2,3, Alena U. Uus2,3, Megan Hall2,4, Lisa Story2,3,4, Joseph V. Hajnal2,3, Mary A. Rutherford2, and Jana Hutter2,3,5
1Center for MR-Research, University Children's Hospital Zurich, University of Zurich, Zurich, Switzerland, 2Department of Early Life Imaging, School of Biomedical Engineering & Imaging Sciences, King's College London, London, United Kingdom, 3Department of Biomedical Engineering, School of Biomedical Engineering & Imaging Sciences, King's College London, London, United Kingdom, 4Department of Women & Children's Health, King's College London, London, United Kingdom, 5Smart Imaging Lab, Radiological Institute, University Hospital Erlangen, Erlangen, Germany

Synopsis

Keywords: Fetal, Fetal

Motivation: A baby's first breath is a critical step of birth. To prepare, the fetus practices with fetal breathing movements (FBM), essential for normal lung development.

Goal(s): Currently, FBMs are measured with manual observation during ultrasound. We demonstrate the usage of magnetic resonance imaging (MRI) to automatically and objectively measure FBMs.

Approach: We acquire 100 dynamic fetal scans throughout gestation using low-field MRI, and demonstrate FBMs by automatically segmenting the fetal lungs in a dynamic MRI scan and investigate changes in volume and mean T2*.

Results: FBMs were detected in 37% of the scans, matching the expected occurrence rates.

Impact: With further testing and validation, the automated detection of fetal breathing movements could become a useful and widespread clinical tool to quantify fetal pulmonary health.

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