RT Journal Article
T1 Quantification of Right and Left Ventricular Function in Cardiac MR Imaging: Comparison of Semiautomatic and Manual Segmentation Algorithms
A1 Souto Bayarri, José Miguel
A1 Masip, Lambert Raúl
A1 Couto, Miguel
A1 Suárez Cuenca, Jorge Juan
A1 Martínez, Amparo
A1 García Tahoces, Pablo
A1 Carreira Villamor, José Martín
A1 Croisille, Pierre
K1 Cardiac cine magnetic resonance imaging (MRI)
K1 Segmentation
K1 Ejection fraction (EF)
K1 Right ventricular function
K1 Left ventricular function
AB The purpose of this study was to evaluate the performance of a semiautomatic segmentation method for the anatomical and functional assessment of both ventricles from cardiac cine magnetic resonance (MR) examinations, reducing user interaction to a “mouse-click”. Fifty-two patients with cardiovascular diseases were examined using a 1.5-T MR imaging unit. Several parameters of both ventricles, such as end-diastolic volume (EDV), end-systolic volume (ESV) and ejection fraction (EF), were quantified by an experienced operator using the conventional method based on manually-defined contours, as the standard of reference; and a novel semiautomatic segmentation method based on edge detection, iterative thresholding and region growing techniques, for evaluation purposes. No statistically significant differences were found between the two measurement values obtained for each parameter (p > 0.05). Correlation to estimate right ventricular function was good (r > 0.8) and turned out to be excellent (r > 0.9) for the left ventricle (LV). Bland-Altman plots revealed acceptable limits of agreement between the two methods (95%). Our study findings indicate that the proposed technique allows a fast and accurate assessment of both ventricles. However, further improvements are needed to equal results achieved for the right ventricle (RV) using the conventional methodology
PB MDPI
YR 2013
FD 2013
LK http://hdl.handle.net/10347/17712
UL http://hdl.handle.net/10347/17712
LA eng
NO Souto, M.; Masip, L.R.; Couto, M.; Suárez-Cuenca, J.J.; Martínez, A.; Tahoces, P.G.; Carreira, J.M.; Croisille, P.	Quantification of Right and Left Ventricular Function in Cardiac MR Imaging: Comparison of Semiautomatic and Manual Segmentation Algorithms. Diagnostics 2013, 3, 271-282.
NO This work was partially funded by the following institution: Xunta de Galicia (expte. n° PGIDIT06BTF20802PR)
DS Minerva
RD 24 abr 2026