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Abstract #1201

Continuous Perfusion Measurement With Singled Sided Low Field MR

Alice Little1,2, Dion Thomas2, Shieak Tzeng3, and Sergei Obruchkov2
1The University of Auckland, Auckland, New Zealand, 2Victoria University of Wellington, Wellington, New Zealand, 3University of Otago, Wellington, New Zealand


In this study we focus on exploring the use of a single sided low-field MR systems to continuously measure perfusion. For this purpose we developed a contrast-free measurement technique - tentatively named Inhomogeneous Flow-sensitive Alternating Inversion Recovery (IFAIR). This new technique, adapted from the FAIR ASL protocol, was designed to be suitable for inhomogeneous field conditions and to function without pulsed gradient fields. The IFAIR signal response displayed a consistent proportional relationship to flow velocity, with potential to allow for quantitative flow-dependent measurements.

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