Carotid duplex scan versus angiography in evaluation of carotid artery disease.


Angiography is presently felt to be the most accurate means of evaluating the carotid artery bifurcation, and is required preoperatively by most vascular surgeons. Arterial digital subtraction angiography (DSA) is the method commonly used. Angiography, however, is expensive and invasive, with significant morbidity and mortality. Duplex scanning (DS) has… (More)


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