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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