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Proceedings Paper

In-vivo intravascular ultrasound in human ileo-femoral vessels
Author(s): Marwan R. Tabbara; Douglas Cavaye; George E. Kopchok; Rodney A. White
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Paper Abstract

This study evaluates the ability of intravascular ultrasound (IUS) to image normal and mildly diseased human ileo-femoral vessels during angioplasty or vascular bypass procedures. Five Fr. and 8Fr. rotating A scan IUS catheters were used to obtain 43 images in 4 superficial femoral arteries, and 5 iliac arteries in 8 vascular surgery patients. Luminal cross sectional (LCS) areas measured by IUS were compared to LCS areas calculated by uniplanar angiography (ANGIO) at the same location in the vessel. The correlation between the areas (IUS vs ANGIO) for all images was significant (n = 43, r = 0.90, P<0.05). Mean LCS area calculated from ANGIO (33.7 +/- 21 mm2) was greater than LCS area measured by IUS (30.6 +/- 19.5 mm2) with n = 43; P = 0.02. In addition to providing accurate luminal determinations, IUS images displayed transmural morphology, the location of the atherosclerotic lesions and the thickness of the vessel wall. We conclude that IUS imaging provides accurate, novel information regarding human vessel wall anatomy and luminal dimensions. This technology may play a significant role in future diagnostic and interventional therapies.

Paper Details

Date Published: 1 May 1991
PDF: 9 pages
Proc. SPIE 1425, Diagnostic and Therapeutic Cardiovascular Interventions, (1 May 1991); doi: 10.1117/12.44039
Show Author Affiliations
Marwan R. Tabbara, Harbor-UCLA Medical Ctr. (United States)
Douglas Cavaye, Harbor-UCLA Medical Ctr. (United States)
George E. Kopchok, Harbor-UCLA Medical Ctr. (United States)
Rodney A. White, Harbor-UCLA Medical Ctr. (United States)

Published in SPIE Proceedings Vol. 1425:
Diagnostic and Therapeutic Cardiovascular Interventions
George S. Abela, Editor(s)

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