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A method and system of characterization of carotid plaque

A plaque and eigenvector technology, applied in the field of carotid plaque and system characterization, which can solve the problems of no vulnerability standard, no quantitative evaluation observation method, etc.

Inactive Publication Date: 2014-07-09
VPDIAGNOSTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no standard quantitative assessment of these three indicators or specific observation methods to quantify the standard
moreover, even if such an assessment could be made, there is no consistent set of vulnerability criteria

Method used

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  • A method and system of characterization of carotid plaque
  • A method and system of characterization of carotid plaque
  • A method and system of characterization of carotid plaque

Examples

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Embodiment Construction

[0033] Example embodiments can be better understood with reference to the accompanying drawings. In the interest of brevity and clarity of description, not all routine features of particular implementations are described herein. It should be appreciated that in the implementation of any particular implementation, a number of implementation-specific decisions must be made to achieve the implementor's specific goals, such as compliance with system, business, or regulatory constraints, which, in different implementations, no the same.

[0034] In the present invention, the combination of hardware and software to accomplish a task is called a system. Unless otherwise stated, abbreviations are given their usual meanings in the art.

[0035] Instructions for executing the procedures or methods of the system may reside on a computer-readable storage medium or memory, such as a cache, buffer, RAM, removable media, hard drive, or other computer-readable storage medium. Computer-read...

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Abstract

A system and method of obtaining and analyzing ultrasound images of a patient provides for the identification of specific tissue types in using the image data. A feature vector set of sub-regions of the region of interest is obtained, dimensionally reduced and evaluated using a heuristic to identify the tissue type. Where the tissue type is suitable for image standardization, the overall gray scale of the image is adjusted with respect to a predetermined gray scale for the identified tissue type. The image may be segmented and plaque regions identified and characterized. The characterized plaque and other parameters such as percent stenosis may be used to determine a risk score for the patient.

Description

[0001] This invention was supported in part by National Institutes of Health Contract No. HL103387. The US Government has certain rights in this invention. technical field [0002] The invention may relate to imaging, detection, characterization, monitoring and risk stratification in medical imaging. Background technique [0003] Carotid atherosclerosis is the pathological accumulation of lipids on the walls of the carotid arteries. This accumulation usually has a fibrous cap and a necrotic core (NC). The prognosis of carotid atherosclerosis is initially asymptomatic, progresses slowly, and gradually becomes symptomatic, which may lead to cardiovascular or neurovascular related diseases, depending on the characteristics of the plaque. Studies have shown that its morphological properties, composition properties, mechanical properties, electromagnetic properties and surrounding hemodynamics have important diagnostic significance. [0004] Conventional treatment of carotid a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/08A61B5/055G06T7/00G06V10/42
CPCA61B8/06A61B8/0858A61B8/0891A61B8/14A61B8/488A61B8/5223A61B8/5261A61B8/5284A61B5/055A61B5/0035G06T2207/10132G06T2207/20081G06T2207/30101G06T7/11G06T7/45G16H50/30G06V10/42
Inventor 隋磊
Owner VPDIAGNOSTICS
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