|
|
|||
| |||||||||||||||||||||||||||||||
As diagnostic testing for vascular disease continues to evolve, the borderline between noninvasive and invasive techniques has become blurred. For example, contrast angiography is clearly an invasive procedure, and methods based on ultrasound are generally considered noninvasive, but computed tomographic angiography, which relies on the use of ionizing radiation and intravenous contrast material, might be regarded as minimally invasive. Intravascular ultrasound combines invasive catheterization techniques with the ability to evaluate vascular abnormalities by noninvasive imaging. Similarly, the distinction between diagnostic and therapeutic approaches has become less clear with recent advances in the field of catheter-based interventional techniques. Current therapeutic options
HOME | SUBSCRIBE | SEARCH | CURRENT ISSUE | PAST ISSUES | COLLECTIONS | PRIVACY | HELP | beta.nejm.org Comments and questions? Please contact us. The New England Journal of Medicine is owned, published, and copyrighted © 2008 Massachusetts Medical Society. All rights reserved. |