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  • Title: [Quantification of vascular stenoses using digital subtraction angiography].
    Author: Herter M, Lackner K.
    Journal: Rofo; 1985 Dec; 143(6):650-5. PubMed ID: 3001855.
    Abstract:
    Experimental studies using vessel phantoms with varying stenoses have been carried out and a method has been developed for quantitative analysis of vascular stenoses using DSA. The digital information provides quantitative measurements of the amount of contrast within a vessel. The relative contrast density in the region of interest is measured by video densitometry and is proportional to the transverse area of the vessel. The relative densities in and proximal to the stenosis provides a quantitative measure of the relative degree of stenosis. The standard deviation does not exceed 7.5%.
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