PMID: 8952739Oct 1, 1996Paper

Intravascular echography

Annales de cardiologie et d'angéiologie
J C Tardif

Abstract

Intravascular ultrasound (IVUS) is an imaging method which uses one or several ultrasound transducers at the tip of catheters to visualize the morphology of arteries. IVUS was developed to provide precise information not only about arterial stenoses, but also about atherosclerotic lesions and lesions of the vessel wall. Indications for IVUS are currently being developed. One application is for the evaluation of disease of the common trunk when a doubt persists after angiography. Ambiguous lesions on angiography, particularly situated at coronary bifurcations, can also be clarified by IVUS. The precise evaluation of the real extent of atherosclerosis by IVUS makes it an ideal tool for clinical trials of regression of coronary disease. It also provides a better understanding of the apparent paradox between the minimal reduction of atheromatous plaques on angiography and the dramatic reduction of coronary events. IVUS is extremely useful to elucidate the mechanisms and complications of percutaneous interventional procedures. For example, IVUS allows a better understanding of restenosis after angioplasty (whether it is due to intimal proliferation or to vascular remodelling), elastic recall and sudden occlusion. In view of the larg...Continue Reading

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