DETERMINATION OF HEMODYNAMIC PARAMETERS
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United States of America Patent
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Issued Date -
Feb 5, 2009
app pub date -
Aug 22, 2005
filing date -
Aug 23, 2004
priority date (Note) -
Abandoned
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Abstract
Hemodynamic parameters of an organ are determined by first estimating hemodynamic parameters for portions of an organ from time sequenced images of the portions obtained after injection of a contrast agent. For each of the portions, the accuracy of the estimated hemodynamic parameters is assessed based on at least one of (i) a relationship between extraction efficiency product (FE) and contrast distribution volume in interstitial space (V.sub.e); (ii) a relationship between blood plasma space volume (V.sub.p), FE, and V.sub.e; and (iii) a value of contrast distribution volume (V.sub.D).
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