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Analyzing aortic valve calcification

A technology of aortic valve and aortic bulb, applied in image analysis, image enhancement, instruments, etc., can solve the problem of inaccurate assessment of aortic valve calcification

Active Publication Date: 2017-05-24
KONINKLIJKE PHILIPS NV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The problem with the method of US 2013 / 155064 is that it is not accurate enough for the assessment of aortic valve calcification

Method used

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  • Analyzing aortic valve calcification
  • Analyzing aortic valve calcification
  • Analyzing aortic valve calcification

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Embodiment Construction

[0062] figure 1 A system for analyzing images of aortic valve structure to enable assessment of aortic valve calcification is shown. The system 100 includes an image interface 110 for obtaining an image 105 of the aortic valve structure including the aortic valve leaflets and the aortic bulb. figure 1 An image interface 110 is shown which obtains a medical image 105 in the form of image data 105 from an external database 101 such as a picture archiving and communication system (PACS). In this way, the image interface 110 can be constituted by a so-called DICOM interface. However, the graphics interface 120 may also take any other suitable form, such as an internal or external memory or storage device interface, a network interface to a local or wide area network, or the like. For example, instead of accessing images from an external database, images may be accessed from internal memory.

[0063] System 100 also includes segmentation subsystem 120 . The segmentation subsystem...

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Abstract

A system and a method are provided for analyzing an image of an aortic valve structure to enable assessment of aortic valve calcifications. The system comprises an image interface for obtaining an image of an aortic valve structure, the aortic valve structure comprising aortic valve leaflets and an aortic bulbus. The system further comprises a segmentation subsystem for segmenting the aortic valve structure in the image to obtain a segmentation of the aortic valve structure. The system further comprises an identification subsystem for identifying a calcification on the aortic valve leaflets by analyzing the image of the aortic valve structure. The system further comprises an analysis subsystem configured for determining a centerline of the aortic bulbus by analyzing the segmentation of the aortic valve structure, and for projecting the calcification from the centerline of the aortic bulbus onto the aortic bulbus, thereby obtaining a projection indicating a location of the calcification as projected onto the aortic bulbus. The system further comprises an output unit for generating data representing the projection. Provided information on the accurate location of calcifications after a valve replacement may be advantageously used, for example, to effectively analyze the risk of paravalvular leakages of Transcatheter aortic valve implantation (TAVI) interventions for assessing the suitability of a patient for TAVI procedure.

Description

technical field [0001] The present invention relates to systems and methods for analyzing images of aortic valve structures to enable assessment of aortic valve calcification. The invention also relates to a workstation and an imaging device comprising said system, and to a computer program product comprising instructions for causing a processor system to perform said method. Background technique [0002] Narrowing of tubular cardiovascular structures, such as heart valves, can result in non-physiological blood flow through the structures and thus affect the cardiovascular health of an individual. Valve calcification (also known as plaque) caused by calcium deposits on the valve can lead to sclerosis (hardening) of the tissue forming the valve leaflets and narrowing of the valve opening. This narrowing can progress to become so severe that it reduces blood flow through the aortic valve and increases the strain on the left ventricle, leading to valve stiffening (ie, valve na...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/12G06T15/10G06T19/00
CPCG06T19/00G06T2207/10072G06T2207/30048G06T2207/30101G06T2207/30172G06T2219/021G06T15/10G06T2210/41G06T2215/08G06T7/12G06T7/11A61B8/00G06T7/0012
Inventor J·威斯A·格罗特J·彼得斯I·瓦赫特-施特勒S·莫卢斯
Owner KONINKLIJKE PHILIPS NV
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