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A Software Tool for the Measurement of the Aortic Annulus Area by Means of Computed Tomography Image Analysis for the Planning of Transcatheter Aortic Valve Replacement (TAVR)

文献类型： 会议论文

第一作者： Gloria Campos Hervás

作者： Gloria Campos Hervás 1 ; Agustín Fernández Cisnal 2 ; Sergio García-Blas 2 ; Gema Mi?ana 2 ; Ernesto Valero 2 ; Juan Sanchis 2 ; David Moratal 1 ;

作者机构： 1.Biomaterials and Tissue Engineering, Universitat Politècnica de València, València, Spain

2.Cardiology Department, Centro de Investigación Biomédica en Red Enfermedades Cardiovaculares (CIBERCV), Hospital Clínico Universitario de València, Instituto de Investigación Sanitaria (INCLIVA), University of València, València, Spain

关键词： Computed tomography;Volume measurement;Morphology;Valves;Planning;Software measurement;Software tools

会议名称： Annual International Conference of the IEEE Engineering in Medicine and Biology Society

主办单位：

页码： 1-4

摘要： Cardiovascular diseases (CVD) are the leading cause of death globally, being the heart valve complications one of the five most common heart problems. The aim of this study is the development of a MATLAB-based software tool to obtain several measurements derived from the aortic annulus for the planning of transcatheter aortic valve replacement (TAVR). The proposed software tool utilizes computed tomography (CT) images to reconstruct a volume of the patient. This virtual volume is rotated to situate the images in the plane which cuts the most basal points of the three aortic valve cusps, namely the aortic annulus, and obtain the required measurements. Nevertheless, the computer-user interaction will be entirely based on 2-dimension techniques to reduce both the complexity of the app and the computational load. The program was validated in CT images of 10 subjects with diagnosed aortic stenosis. A comparison of the results with the measurements used in the real clinical practice showed no significant differences between both methods.Clinical Relevance— The resulting computer tool provides significant information about the diseased aortic valve. This will allow clinicians to select the right prosthetic heart valve. It represents a cheaper and less complex alternative to sophisticated software tools which are currently being used to plan the intervention.

分类号： q81

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