Impact of temporal resolution on flow quantification by real-time 3D color doppler echocardiography: numerical modeling and animal validation study

H. Tsujino; M. Jones; T. Shiota; J. X. Qin; L. A. Cardon; A. J. Morehead; A. D. Zetts; F. Bauer; M. Sitges; X. Hang; N. L. Greenberg; J. A. Panza; J. D. Thomas

Impact of temporal resolution on flow quantification by real-time 3D color doppler echocardiography: numerical modeling and animal validation study

H. Tsujino^*, M. Jones, T. Shiota, J. X. Qin, L. A. Cardon, A. J. Morehead, A. D. Zetts, F. Bauer, M. Sitges, X. Hang, N. L. Greenberg, J. A. Panza, J. D. Thomas

^*Corresponding author for this work

Medicine, Cardiology Division

Research output: Contribution to journal › Conference article › peer-review

8 Scopus citations

Abstract

Real-time, 3D color Doppler echocardiography (RT3D) is capable of quantifying flow at the LV outflow tract (LVOT). However, previous works have found significant underestimation for flow rate estimation due to finite scanning time (ST) of the color Doppler. We have, therefore, developed a mathematical model to correct the impact of ST on flow quantification and validated it by an animal study. Scanning time to cover the entire cross-sectional image of the LVOT was calculated as 60 ms, and the underestimation due to temporal averaging effect was predicted as 18±7%. In the animal experiment, peak flow rates were obtained by spatially integrating the velocity data from the cross-sectional color images of the LVOT. By applying a correction factor, there was an excellent agreement between reference flow rate by an electromagnetic flow meter and RT3D. Real-time, color 3D echocardiography was capable of quantifying flow accurately by applying the mathematical correction.

Original language	English (US)
Pages (from-to)	761-764
Number of pages	4
Journal	Computers in Cardiology
State	Published - 2000

ASJC Scopus subject areas

Computer Science Applications
Cardiology and Cardiovascular Medicine

Cite this

@article{7e0c6f7a0547462cbd963bf14e9a02b0,

title = "Impact of temporal resolution on flow quantification by real-time 3D color doppler echocardiography: numerical modeling and animal validation study",

abstract = "Real-time, 3D color Doppler echocardiography (RT3D) is capable of quantifying flow at the LV outflow tract (LVOT). However, previous works have found significant underestimation for flow rate estimation due to finite scanning time (ST) of the color Doppler. We have, therefore, developed a mathematical model to correct the impact of ST on flow quantification and validated it by an animal study. Scanning time to cover the entire cross-sectional image of the LVOT was calculated as 60 ms, and the underestimation due to temporal averaging effect was predicted as 18±7%. In the animal experiment, peak flow rates were obtained by spatially integrating the velocity data from the cross-sectional color images of the LVOT. By applying a correction factor, there was an excellent agreement between reference flow rate by an electromagnetic flow meter and RT3D. Real-time, color 3D echocardiography was capable of quantifying flow accurately by applying the mathematical correction.",

author = "H. Tsujino and M. Jones and T. Shiota and Qin, {J. X.} and Cardon, {L. A.} and Morehead, {A. J.} and Zetts, {A. D.} and F. Bauer and M. Sitges and X. Hang and Greenberg, {N. L.} and Panza, {J. A.} and Thomas, {J. D.}",

year = "2000",

language = "English (US)",

pages = "761--764",

journal = "Computers in Cardiology",

issn = "0276-6574",

publisher = "IEEE Computer Society",

}

TY - JOUR

T1 - Impact of temporal resolution on flow quantification by real-time 3D color doppler echocardiography

T2 - numerical modeling and animal validation study

AU - Tsujino, H.

AU - Jones, M.

AU - Shiota, T.

AU - Qin, J. X.

AU - Cardon, L. A.

AU - Morehead, A. J.

AU - Zetts, A. D.

AU - Bauer, F.

AU - Sitges, M.

AU - Hang, X.

AU - Greenberg, N. L.

AU - Panza, J. A.

AU - Thomas, J. D.

PY - 2000

Y1 - 2000

N2 - Real-time, 3D color Doppler echocardiography (RT3D) is capable of quantifying flow at the LV outflow tract (LVOT). However, previous works have found significant underestimation for flow rate estimation due to finite scanning time (ST) of the color Doppler. We have, therefore, developed a mathematical model to correct the impact of ST on flow quantification and validated it by an animal study. Scanning time to cover the entire cross-sectional image of the LVOT was calculated as 60 ms, and the underestimation due to temporal averaging effect was predicted as 18±7%. In the animal experiment, peak flow rates were obtained by spatially integrating the velocity data from the cross-sectional color images of the LVOT. By applying a correction factor, there was an excellent agreement between reference flow rate by an electromagnetic flow meter and RT3D. Real-time, color 3D echocardiography was capable of quantifying flow accurately by applying the mathematical correction.

AB - Real-time, 3D color Doppler echocardiography (RT3D) is capable of quantifying flow at the LV outflow tract (LVOT). However, previous works have found significant underestimation for flow rate estimation due to finite scanning time (ST) of the color Doppler. We have, therefore, developed a mathematical model to correct the impact of ST on flow quantification and validated it by an animal study. Scanning time to cover the entire cross-sectional image of the LVOT was calculated as 60 ms, and the underestimation due to temporal averaging effect was predicted as 18±7%. In the animal experiment, peak flow rates were obtained by spatially integrating the velocity data from the cross-sectional color images of the LVOT. By applying a correction factor, there was an excellent agreement between reference flow rate by an electromagnetic flow meter and RT3D. Real-time, color 3D echocardiography was capable of quantifying flow accurately by applying the mathematical correction.

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M3 - Conference article

C2 - 14632016

AN - SCOPUS:18144440530

SN - 0276-6574

SP - 761

EP - 764

JO - Computers in Cardiology

JF - Computers in Cardiology

ER -

Impact of temporal resolution on flow quantification by real-time 3D color doppler echocardiography: numerical modeling and animal validation study

Abstract

ASJC Scopus subject areas

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