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SYSTEM AND METHOD FOR LESION-SPECIFIC CORONARY ARTERY CALCIUM QUANTIFICATION

  • US 20100156898A1
  • Filed: 12/21/2009
  • Published: 06/24/2010
  • Est. Priority Date: 12/19/2008
  • Status: Active Grant
First Claim
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1. A method for predicting the risk of a coronary event for a human comprising:

  • generating a non-contrast-enhanced volumetric image of the cardiac region of the human utilizing a computed tomography coronary artery calcium scan generated by a computed tomography scanner;

    storing said volumetric image in a storage device as stored volumetric data, where said storage device is operably connected to a processor adapted to load and process said stored volumetric data;

    transforming said stored volumetric data to a binary calcium volume data by applying an intensity threshold to said stored volumetric data using said processor;

    identifying a calcific lesion within said binary calcium volume;

    measuring geometric and morphologic characteristics of said calcific lesion;

    measuring a distance between said calcific lesion and the origin of the coronary artery said calcific lesion is occluding; and

    ,estimating a risk profile based on said geometric and morphologic characteristics and said distance.

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