Abstract
Abstract Development of miniaturized piezoelectric transducers positioned at the end of intraluminal catheters have allowed high resolution, ultrasonic imaging of various cardiac, vascular and hollow organ structures. Current intravascular ultrasound (IVUS) catheters provide real-time, luminal and transmural cross-sectional imaging in large vessels with dimensional accuracy. Present applications of IVUS include imaging in arterial occlusive disease, aneurysms and traumatic injuries. Intravascular ultrasound can delineate wall morphology, lesion shape, volume and length and branch configurations. Concomitant rapid expansion of minimally-invasive endovascular therapies in coronary and peripheral vasculature have added new role for IVUS. In addition to diagnostic information, IVUS enables choice of appropriate angioplasty technique, endovascular device guidance and controlled assessment of the efficacy of interventions. Real time IVUS imaging can only be utilized during invasive diagnostic and therapeutic procedures after vascular access is established. Further acceptance and implentation relies upon the effectiveness of IVUS in improving endovascular outcomes and minimizing periprocedural complications as compared to alternative imaging modalities.
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