Abstract #0141

Imaging of calf muscle contraction in pediatric patients with cerebral palsy and healthy children by dynamic phase contrast MRI

Claudia Weidensteiner^1,2, Xeni Deligianni^1,2, Francesco Santini^1,2, Tanja Haas¹, Philipp Madoerin¹, Oliver Bieri^1,2, Katrin Bracht-Schweizer³, Erich Rutz⁴, Meritxell Garcia⁵, and Reinald Brunner⁴

¹Department of Radiology, Division of Radiological Physics, University of Basel Hospital, Basel, Switzerland, ²Department of Biomedical Engineering, University of Basel, Basel, Switzerland, ³Laboratory for Movement Analysis, University Children's Hospital Basel, Basel, Switzerland, ⁴Department of Orthopedic Surgery, University Children's Hospital Basel, Basel, Switzerland, ⁵Department of Radiology, Division of Neuroadiological Physics, University of Basel Hospital, Basel, Switzerland

Aim of this study is to investigate the feasibility of phase contrast imaging for assessment of muscle function in children with cerebral palsy (CP). Time-resolved cine phase contrast MRI was synchronized with electrical muscle stimulation of the calf muscle at a clinical 3T MRI scanner. 11 healthy and 4 children with hemiparetic CP were scanned. Dynamic velocity, strain, and strain rate maps were reconstructed. Synchronous dynamic PC MRI of electrically stimulated muscle is feasible in children, even in CP patients and might provide further insight into the health status of their muscles.

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