Abstract

This paper presents a new way for computing the volume of the heart's right ventricle. The technique involves manual marking of three critical contours of the ventricle's regions on 2D echocardiography images. The contours are then deformed semi-automatically to keep them orthogonal and concurrent in four-chamber plane, transverse (short-axis) plane, and lateral plane. The ventricle's surface is generated and its volume computed automatically. The proposed model was validated by comparing its estimate with actual measurements using 3D echocardiography imaging.

Highlights

  • To assess various heart diseases, computing of the volume of the heart’s right ventricle (RV) is usually required

  • 2D echocardiography is successfully applied in 3D modeling of the left ventricular chamber using the biplane method of disks, or using 1D precordial echocardiogram[3]. 3D object reconstruction from multiple 2D images is an important problem in computer vision as well [19, 12]

  • Modification of 2D echocardiographic approach coupled with 3D mathematical modeling could provide acceptable results in quantifying the RV’s volume

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Summary

Introduction

To assess various heart diseases, computing of the volume of the heart’s right ventricle (RV) is usually required. Simple 2D echocardiographic parameters and advanced echocardiographic technologies that include Doppler tissue imaging, strain imaging, and three-dimensional imaging may be used for qualitative evaluation of the RV’s function, they have not gained a clinical impact [10, 8].Cardiac magnetic resonance (CMR) and cardiac computed tomography (CCT) could be three-dimensional (3D) techniques that accurately depict the RV’s anatomy [24, 5, 7]. Since the quality of data acquisition is crucial, special positions of the ultrasound probe for generation of echocardiography images must be determined for each patient due to unique complexity of the human body

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