Automatic Slice Positioning of the Interventional Guidewire Using Passive 
Paramagnetic Markers

Patil, S; Bieri, O; Jhooti, P; Scheffler, K

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Automatic Slice Positioning of the Interventional Guidewire Using Passive Paramagnetic Markers

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https://cds.ismrm.org/protected/09MProceedings/files/1_program.htm
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Citation

Patil, S., Bieri, O., Jhooti, P., & Scheffler, K. (2009). Automatic Slice Positioning of the Interventional Guidewire Using Passive Paramagnetic Markers. Poster presented at 17th Annual Meeting of the International Society for Magnetic Resonance in Medicine (ISMRM 2009), Honolulu, HI, USA.

Cite as: https://hdl.handle.net/21.11116/0000-0003-14DF-C

Abstract

In this work, a novel method for passive real-time tracking of paramagnetic markers is proposed, termed Projection Reconstruction Imaging using echo-Dephasing (PRIDE). PRIDE is based on the acquisition of projections along all three physical (X, Y, and Z) axes, enabling a real-time positional update of the slice to the detected guidewire location. PRIDE exploits paramagnetic marker-related gradients along each projection to give rise to peak signal corresponding to marker position. Our initial in-vitro and in-vivo results indicate that PRIDE can be successfully used for real-time slice positioning.