Method and apparatus of scoring an arterial obstruction

Details Method and apparatus of scoring an arterial obstruction Method and apparatus of scoring an arterial obstruction

2006-02-07

2006-02-07

Miriam, Daniel (Department: 2625)

Image analysis

Applications

Biomedical applications

C382S128000, C600S485000

Reexamination Certificate

active

06996262

ABSTRACT:
The present invention is directed to a method and apparatus of scoring an arterial obstruction. The present invention includes identifying a particular group of pixels corresponding to a calcified region of coronary artery of a patient and based on the satisfaction of a number of thresholds connectivity criteria, determining a calcification score of that calcified region as indicative of the patient's risk of cardiovascular disease including atherosclerosis, heart attack, heart failure, and stroke. The present invention further includes determining the scaling factor unique to a particular imaging slice of data to provide a value of calcium weight and volume that is indicative of the true obstruction and true volume of the calcified region.

REFERENCES:
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patent: 2002/0151825 (2002-10-01), Rubenchik et al.
Carr, et al., Evaluation of Subsecond Gated Helical CT for Quanitification of Coronary Artery Calcium and Comparison with Electron Beam CT, Apr. 2000, 915-921, vol. 174, American Roentgen Ray Society.
Optican, Robert J., Coronary Artery Calcifaction Scanning; Its Time Has Arrived, www.msit.com
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