Imperial College London
Alternate

Professor MENGXING TANG

Faculty of Engineering, Department of Bioengineering

Professor of Biomedical Imaging
 
 
 
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Contact

 

+44 (0)20 7594 3664mengxing.tang Website

 
 
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Location

 

3.13Royal School of MinesSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Toulemonde:2018:10.1109/TUFFC.2018.2856756,
author = {Toulemonde, MEG and Li, Y and Lin, S and Cordonnier, F and Butler, M and Duncan, W and Eckersley, R and Sboros, V and Tang, M},
doi = {10.1109/TUFFC.2018.2856756},
journal = {IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control},
pages = {2212--2221},
title = {High-frame-rate contrast echocardiography using diverging waves: initial in-vitro and in-vivo evaluation},
url = {http://dx.doi.org/10.1109/TUFFC.2018.2856756},
volume = {65},
year = {2018}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Contrast Echocardiography (CE) ultrasound with microbubble contrast agents (UCA) has significantly advanced our capability for assessment of cardiac function, including myocardium perfusion quantification. However in standard CE techniques obtained with line by line scanning, the frame rate and image quality are limited. Recent research has shown significant frame rate improvement in non-contrast cardiac imaging. In this work we present and initially evaluate, both in-vitro and in-vivo, a high frame rate (HFR) CE imaging system using diverging waves and pulse inversion sequence. An imaging frame rate of 5500 frames per second before and 250 frames per second after compounding is achieved. A destruction-replenishment sequence has also been developed. The developed HFR CE is compared with standard CE in-vitro on a phantom and then in-vivo on a sheep heart. The image signal to noise ratio, contrast between the myocardium and the chamber are evaluated. Results show up to 13.4 dB improvement in contrast for HFR CE over standard CE when compared at the same display frame-rate even when the average spatial acoustic pressure in HFR CE is 36% lower than the standard CE. It is also found that when coherent compounding is used the HFR CE image intensity can be significantly modulated by the flow motion in the chamber.
AU  - Toulemonde,MEG
AU  - Li,Y
AU  - Lin,S
AU  - Cordonnier,F
AU  - Butler,M
AU  - Duncan,W
AU  - Eckersley,R
AU  - Sboros,V
AU  - Tang,M
DO  - 10.1109/TUFFC.2018.2856756
EP  - 2221
PY  - 2018///
SN  - 0885-3010
SP  - 2212
TI  - High-frame-rate contrast echocardiography using diverging waves: initial in-vitro and in-vivo evaluation
T2  - IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
UR  - http://dx.doi.org/10.1109/TUFFC.2018.2856756
UR  - https://ieeexplore.ieee.org/document/8412216
UR  - http://hdl.handle.net/10044/1/62286
VL  - 65
ER  -
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