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. 1981 Dec;5(6):543-7.
doi: 10.1016/0149-936x(81)90089-8.

Enhancement of relaxation rate with paramagnetic contrast agents in NMR imaging

I R Young, G J Clarke, D R Bailes, J M Pennock, F H Doyle, G M Bydder

Enhancement of relaxation rate with paramagnetic contrast agents in NMR imaging

I R Young et al. J Comput Tomogr. 1981 Dec.

Abstract

Enhancement of spin-lattice relaxation using oral ferric chloride and using inhaled oxygen is illustrated. A 0.06% solution of ferric chloride reduced the spin-lattice relaxation time in the fundus of the stomach from 730 ms to 285 ms. Ferric chloride may be useful as a bowel-labeling agent. In 5 volunteers inhalation of 100% oxygen decreased the mean observed spin-lattice relaxation time of blood within the left ventricular cavity. Although the change was small, it may have important uses in monitoring metabolic processes.

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