catheter angiography


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catheter angiography

Angiography performed after a small tube is placed in a blood vessel and a contrast medium is injected to outline the internal structure of the blood vessel.
See also: angiography
References in periodicals archive ?
Conventional catheter angiography remains superior to MR in delineating specific arterial supply and venous drainage of the AVM, but MR is more accurate than CT or angiography in determining nidus size and degree of nidus obliteration post embolotherapy.
The patient was taken directly to the radiology suite for selective catheter angiography of the left external and internal carotid arteries.
Regional trauma associations have proposed algorithms for which patients should be evaluated by CT angiography and/or catheter angiography for traumatic head and neck vascular injuries.
Groups of 13 diagnostic catheter angiography and ventriculography.
Catheter angiography (using multiple projections, high-resolution subtracted images, and rapid filming techniques) has long been the gold standard for aneurysm diagnosis.
The Cleveland Clinic recently announced the results of "Coronary Assessment by Computed Tomographic Scanning & Catheter Angiography (CATSCAN): A Multi-Center Trial(1)," which found that 37 percent of patients evaluated who presented coronary disease symptoms could have avoided catheterization through a CT angiography.
However, since the likelihood of this SAH distribution is 4% for vertebrobasilar aneurysms, intracranial CTA has been proposed as the preferred imaging modality in suspected benign perimesencephalic patients to obviate the risks of catheter angiography.
In the evaluation of vascular injuries, catheter angiography has been the gold standard imaging modality.
In the published studies, results derived from 64-slice CT were compared to traditional invasive catheter angiography and intravascular ultrasound (IVUS).
In pursuit of identifying new, noninvasive approaches to evaluating coronary heart disease, researchers have initiated the Coronary Assessment by Computed Tomographic Scanning and Catheter Angiography (CATSCAN) study.
Additionally, the clinical advantages of Philips Rate Responsive(TM) CVCT technologies are currently being confirmed through a landmark comparative study of cardiac CT imaging versus Quantitative Catheter Angiography (QCA).