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Estimation of arterial wall motion using ultrafast imaging and transverse oscillations: in vivo study
- Source :
- IEEE International Ultrasonics Symposium (IUS 2016), IEEE International Ultrasonics Symposium (IUS 2016), Sep 2016, Tours, France. Proceedings of the 2016 IEEE International Ultrasonics Symposium (IUS). 〈10.1109/ULTSYM.2016.7728749〉, IEEE International Ultrasonics Symposium (IUS 2016), Sep 2016, Tours, France. ⟨10.1109/ULTSYM.2016.7728749⟩, IEEE International Ultrasonics Symposium, IEEE International Ultrasonics Symposium, 2016, Tours, France., Unknown Region, HAL
- Publication Year :
- 2016
- Publisher :
- HAL CCSD, 2016.
-
Abstract
- International audience; Early detection of cardiovascular diseases can be done by assessing the dynamic properties of arteries. In this study, two phenomena related to the carotid wall motion are presented. The 2D motion estimation method employs (i) ultrafast imaging which became a world-wide use modality, (ii) transverse oscillations technics which allow improving the motion estimation in transverse direction i.e. perpendicular to the beam, and (iii) a 2D phase shift estimator. First, using only the radial acceleration wall, the Wall Spatial Periodic Ripples (WSPR) is studied under a cold pressor test. The results show that the WSPR mean maximum amplitude decreased of 22.9% at the systolic wave and 33.2% at the dicrotic notch. So, the WSPR is a possible artery wall rigidity marker. Then, using a very high frame rate imaging, the longitudinal carotid wall motion of one healthy subject is studied. This second experimentation permits to estimate the propagation of a longitudinal motion on an in vivo carotid. Its mean velocity was evaluated at 16.1 m.s-1, which given a ratio of 3 between with the estimated PWV.
- Subjects :
- [SDV.IB.IMA]Life Sciences [q-bio]/Bioengineering/Imaging
Labex CELYA
Rigidity (psychology)
[ SPI.SIGNAL ] Engineering Sciences [physics]/Signal and Image processing
030204 cardiovascular system & hematology
01 natural sciences
Labex PRIMES
03 medical and health sciences
Acceleration
0302 clinical medicine
Optics
[INFO.INFO-TS]Computer Science [cs]/Signal and Image Processing
In vivo
Motion estimation
0103 physical sciences
Perpendicular
010301 acoustics
ComputingMilieux_MISCELLANEOUS
[ SDV.IB.IMA ] Life Sciences [q-bio]/Bioengineering/Imaging
[SPI.SIGNAL] Engineering Sciences [physics]/Signal and Image processing
Waves propagation
Carotid
Physics
[SPI.ACOU]Engineering Sciences [physics]/Acoustics [physics.class-ph]
[SPI.ACOU] Engineering Sciences [physics]/Acoustics [physics.class-ph]
business.industry
[ SPI.ACOU ] Engineering Sciences [physics]/Acoustics [physics.class-ph]
Estimator
3. Good health
Transverse plane
reseau_international
Imagerie Ultrasonore
[SDV.IB.IMA] Life Sciences [q-bio]/Bioengineering/Imaging
Transverse oscillations
Ultrafast imaging
Wall spatial periodic ripples
categₘixte
business
Ultrashort pulse
[SPI.SIGNAL]Engineering Sciences [physics]/Signal and Image processing
Biomedical engineering
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- IEEE International Ultrasonics Symposium (IUS 2016), IEEE International Ultrasonics Symposium (IUS 2016), Sep 2016, Tours, France. Proceedings of the 2016 IEEE International Ultrasonics Symposium (IUS). 〈10.1109/ULTSYM.2016.7728749〉, IEEE International Ultrasonics Symposium (IUS 2016), Sep 2016, Tours, France. ⟨10.1109/ULTSYM.2016.7728749⟩, IEEE International Ultrasonics Symposium, IEEE International Ultrasonics Symposium, 2016, Tours, France., Unknown Region, HAL
- Accession number :
- edsair.doi.dedup.....9b0129821b026304145794cf8097b79d