The important properties of contrast media: focus on viscosity
Voeltz, M.D.; Nelson, M.A.; McDaniel, M.C.; Manoukian, S.V.
Journal of Invasive Cardiology 19(3): 1a-9a
2007
ISSN/ISBN: 1557-2501 PMID: 17592180 Document Number: 15439
Viscosity is an important property of CM, which, in addition to its potential effects on CIN, thrombogenicity and hemodynamics, is a major determinant of opacification due to its impact on flow rate and injection pressure. The use of LVCM improves opacification and possibly safety by increasing flow rate and achieving lower injection pressures, respectively. Improved visualization may allow for modifications in procedural technique, such as reduced catheter size and increased use of the radial access site, thereby facilitating a minimally invasive approach to diagnostic and interventional procedures. This minimally invasive approach has been associated with improved outcomes, reduced cost and a positive impact on quality of life. The selection of CM needs to be an active choice, extending beyond opacification and including consideration of all the properties of these unique agents, including viscosity.
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