Name
Title | ||
|---|---|---|
Dynamic registration of multiple-view-US and MRI for the characterization of hypertrophic cardiomyopathy |
Abstract | ||
|---|---|---|
The relationship between strain and fibrosis for patients with hypertrophic cardiomyopathy (HCM) remains unclear. This work aims to fuse (i) myocardial fibrosis assessed from late-galodinium-enhanced MRI (LGE) sequence and, (ii) myocardial strain from multiple-view 2D speckle tracking echocardiography (STE). A spatio-temporal alignment is performed between segmented data extracted from cine-MRI short-axis-view and STE apical two- and four-chamber views. Dynamic Time Warping (DTW) and Fourier descriptors are used to handle the non-linear relationship between the cardiac phases of input sequences and the different levels of details provided by the two modalities. An expert evaluated the results visually, leading to a percentage of exploitable cardiac segments of 87%. Finally, MRI-LGE image was superimposed to the corresponding mid-diastolic STE contours to perform the combined tissue and strain analysis. Results on ten patients suggest that myocardial fibrosis is associated with a decrease in longitudinal strain and therefore that STE can be used to detect myocardial fibrosis. |
Year | Venue | Keywords |
|---|---|---|
2013 | Computing in Cardiology Conference | fourier analysis,biological tissues,biomedical mri,cardiovascular system,diseases,echocardiography,feature extraction,gallium,image segmentation,image sequences,medical image processing,spatiotemporal phenomena,ultrasonic imaging,fourier descriptors,ste apical four-chamber views,ste apical two-chamber views,cardiac phases,cine-mri short-axis-view,dynamic registration,dynamic time warping,exploitable cardiac segments,hypertrophic cardiomyopathy characterization,input sequences,late-galodinium-enhanced mri sequence,longitudinal strain,middiastolic ste contours,multiple-view 2d speckle tracking echocardiography,multiple-view-ultrasonic imaging,myocardial strain,nonlinear relationship,segmented data extraction,spatiotemporal alignment,strain analysis,tissue analysis |
Field | DocType | Volume |
Fibrosis,Dynamic time warping,Internal medicine,Cardiology,Image segmentation,Speckle tracking echocardiography,Radiology,Hypertrophic cardiomyopathy,Medicine,Ultrasonic imaging | Conference | 40 |
ISSN | ISBN | Citations |
2325-8861 | 978-1-4799-0884-4 | 0 |
PageRank | References | Authors |
0.34 | 4 | 7 |
Name | Order | Citations | PageRank |
|---|---|---|---|
| Julián Betancur | 1 | 45 | 5.15 |
| Antoine Simon | 2 | 50 | 12.32 |
| Frédéric Schnell | 3 | 4 | 1.19 |
| François Tavard | 4 | 0 | 0.34 |
| E Donal | 5 | 58 | 7.94 |
| Alfredo I Hernández | 6 | 114 | 25.90 |
| Mireille Garreau | 7 | 3 | 2.82 |