System for Real-Time Reconstruction and Interactive Table Motion in Multi-Station 3D CE-MRA Exams

Eric A. Borisch¹, Casey P. Johnson¹, Roger C. Grimm¹, Stephen J. Riederer¹

A system is described that enables multi-station interactive bolus-chase CE-MRA examinations. The system consists of: a custom pulse sequence with network connectivity, interactive graphical interface for the operator, and high-performance reconstruction software and hardware. Reconstructions of the imaged 3D time-series (acquired with 2.5s update times) are completed and displayed to the operator within 110ms while the examination is proceeding, enabling sufficient time for the operator to visualize bolus transit to determine if the current station is complete. The system has been used successfully for three-station lower extremity examinations.