SYSTEMS AND METHODS FOR ESTIMATING BLOOD FLOW CHARACTERISTICS FROM VESSEL GEOMETRY AND PHYSIOLOGY
First Claim
1. A method for determining patient-specific blood flow characteristics, the method comprising:
- acquiring, for each of a plurality of individuals, a geometric model and blood flow characteristics of at least part of the individual'"'"'s vascular system;
executing a machine learning algorithm on the geometric model and blood flow characteristics for each of the plurality of individuals;
identifying, using the machine learning algorithm, features predictive of blood flow characteristics corresponding to a plurality of points in the geometric models;
acquiring, for a patient, a geometric model of at least part of the patient'"'"'s vascular system; and
using the identified features to determine a blood flow characteristic of the patient for at least one point in the patient'"'"'s geometric model.
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Abstract
Systems and methods are disclosed for estimating patient-specific blood flow characteristics. One method includes acquiring, for each of a plurality of individuals, a geometric model and estimated blood flow characteristics of at least part of the individual'"'"'s vascular system; executing a machine learning algorithm on the geometric model and estimated blood flow characteristics for each of the plurality of individuals; identifying, using the machine learning algorithm, features predictive of blood flow characteristics corresponding to a plurality of points in the geometric models; acquiring, for a patient, a geometric model of at least part of the patient'"'"'s vascular system; and using the identified features to produce estimates of the patient'"'"'s blood flow characteristic for each of a plurality of points in the patient'"'"'s geometric model.
64 Citations
22 Claims
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1. A method for determining patient-specific blood flow characteristics, the method comprising:
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acquiring, for each of a plurality of individuals, a geometric model and blood flow characteristics of at least part of the individual'"'"'s vascular system; executing a machine learning algorithm on the geometric model and blood flow characteristics for each of the plurality of individuals; identifying, using the machine learning algorithm, features predictive of blood flow characteristics corresponding to a plurality of points in the geometric models; acquiring, for a patient, a geometric model of at least part of the patient'"'"'s vascular system; and using the identified features to determine a blood flow characteristic of the patient for at least one point in the patient'"'"'s geometric model. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A system for estimating patient-specific blood flow characteristics, the system comprising:
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a data storage device storing instructions for determining patient-specific blood flow characteristics; and a processor configured to execute the instructions to perform a method including the steps of; acquiring, for each of a plurality of individuals, a geometric model and blood flow characteristics of at least part of the individual'"'"'s vascular system; executing a machine learning algorithm on the geometric model and blood flow characteristics for each of the plurality of individuals; identifying, using the machine learning algorithm, features predictive of blood flow characteristics corresponding to a plurality of points in the geometric models; acquiring, for a patient, a geometric model of at least part of the patient'"'"'s vascular system; and using the identified features to determine a blood flow characteristic of the patient for at least one point in the patient'"'"'s geometric model. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A non-transitory computer-readable medium storing instructions that, when executed by a computer, cause the computer to perform a method including:
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acquiring, for each of a plurality of individuals, a geometric model and blood flow characteristics of at least part of the individual'"'"'s vascular system; executing a machine learning algorithm on the geometric model and blood flow characteristics for each of the plurality of individuals; identifying, using the machine learning algorithm, features predictive of blood flow characteristics corresponding to a plurality of points in the geometric models; acquiring, for a patient, a geometric model of at least part of the patient'"'"'s vascular system; and using the identified features to determine a blood flow characteristic of the patient for at least one point in the patient'"'"'s geometric model.
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Specification