Abstract #3680
Prospective respiratory motion gating using a flexible external tracking device
Robin Simpson 1 , Benjamin Knowles 1 , Marius Menza 1 , Michael Herbst 1,2 , Cris Lovell-Smith 1 , Maxim Zaitsev 1 , and Bernd Jung 3
1
Medical Physics, University Medical Centre,
Freiburg, Germany,
2
John
A. Burns School of Medicine, Hawaii, United States,
3
University
Hospital of Bern, Switzerland
Removing respiratory motion is an important challenge
for cardiac MRI. This abstract presents initial work to
apply a novel method of prospective respiratory gating
using ShapeTape, a bend-sensitive optical-fibre-based
motion detection system. Gating can be performed without
interrupting imaging, and motion is sampled at high
rates. This allows gating separately for each cardiac
frame, improving image quality towards the end of the
cardiac cycle.
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