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- W2010499479 abstract "We propose a new magnetic resonance imaging (MRI) technique that is sensitive to myocardial tissue perfusion that obviates the use of an extrinsic contrast agent. Significant advantages of such a technique are that it avoids accumulation of contrast agent when repeated studies are performed on the same subject and that it is completely noninvasive. The method makes use of a combination of magnetization transfer (MT) and T1sat (measured spin-lattice relaxation time in the presence of MT) weighting. In this Communication, we present observations from experiments with an isolated rat heart model that demonstrate increase of MT-weighted signal intensity and T1sat with flow. Also included are data showing that these effects can be made synergistic for enhancing the sensitivity to perfusion. We have observed about a 3% change in MT-weighted intensity and up to 10% change in MTT1sat-weighted intensity for a change of 1 ml/min in global flow rate." @default.
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- W2010499479 date "1993-08-01" @default.
- W2010499479 modified "2023-09-24" @default.
- W2010499479 title "MRI evaluation of myocardial perfusion without a contrast agent using magnetization transfer" @default.
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- W2010499479 doi "https://doi.org/10.1002/mrm.1910300219" @default.
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