Effect of intravascular-to-extravascular
β
Y. Cao; S. L. Brown; R. A. Knight; J. D. Fenstermacher; J. R. Ewing
π
Article
π
2005
π
John Wiley and Sons
π
English
β 598 KB
## Abstract Water exchange across capillary walls couples intraβ and extravascular (IVβEV) protons and their magnetization. A bolus i.v. injection of an extracellular MRI contrast agent (MRCA) causes a large increase in the spinβlattice relaxation rate, __R__~1~, of water protons in the plasma and