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Abstract #0235

Introduction of ultra-high field Magnetic Resonance Imaging in neonates: preparations and feasibility

Evita Wiegers1, Kim Annink2, Niek van der Aa2, Jeroen Dudink2, Thomas Alderliesten2, Floris Groenendaal2, Maarten Lequin1, Floor Jansen3, Koenraad Rhebergen4, Peter Luijten1, Jeroen Hendrikse1, Hans Hoogduin1, Erik Huijing1, Edwin Versteeg1, Fredy Visser1, Alexander Raaijmakers1, Dennis Klomp1, Manon Benders2, and Jannie Wijnen1
1Department of Radiology, University Medical Center Utrecht, Utrecht, Netherlands, 2Department of Neonatology, University Medical Center Utrecht, Utrecht, Netherlands, 3Department of Paediatric neurology, University Medical Center Utrecht, Utrecht, Netherlands, 4Department of Otorhinolaryngology and Head & Neck Surgery, University Medical Center Utrecht, Utrecht, Netherlands

The aim of this study was to investigate the safety and feasibility of 7T MRI in neonates. RF safety simulations showed that the global and peak specific absorption rates in a baby model do not exceed the specific absorption rates in adult models at 7T. Furthermore an (acoustic) noise damping hood was developed to guarantee hearing protection. In 10 neonates, we show that it is feasible to obtain good quality images at 7T; safety parameters (heart rate, peripheral oxygen saturation, peripheral temperature and comfort scales) were monitored before, during and after the MR scans, no (MRI related) adverse events occurred.

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