June 23, 2010IEEE Transactions on Medical Imaging
Two-Dimensional Intraventricular Flow Mapping by Digital Processing Conventional Color-Doppler Echocardiography Images
Why the study?
Does a novel 2D intraventricular flow mapping technique using conventional color-Doppler images accurately characterize left ventricular velocity fields compared to PIV and MR?
Population
In vitro atrio-ventricular duplicator models, in vivo phase-contrast MR acquisitions, and clinical Doppler…
Comparison
Two-dimensional intraventricular flow mapping by… vs Laser particle image velocimetry for in vitro…
Authors
Discussion
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Member takes
Implication
Supports Doppler-based vortex mapping development; leaves open in vivo validation and clinical utility.
Structured PICO
Does a novel 2D intraventricular flow mapping technique using conventional color-Doppler images accurately characterize left ventricular velocity fields compared to PIV and MR?
P
Population
In vitro atrio-ventricular duplicator models, in vivo phase-contrast MR acquisitions, and clinical Doppler studies of healthy and diseased ventricles
I
Intervention
Two-dimensional intraventricular flow mapping by digital processing of conventional color-Doppler echocardiography images using the continuity equation
C
Comparator
Laser particle image velocimetry (PIV) for in vitro validation; phase-contrast magnetic resonance (MR) for in vivo error measurement
O
Outcome
Accuracy of vortex characterization (radius, position, circulation) and error due to planar flow assumptionsurrogate
A novel, fast, and clinically-compliant echocardiographic method based on the continuity equation can accurately map 2D intraventricular flow dynamics using conventional color-Doppler images.
Limitations
- Results are yet to be confirmed by a head-to-head clinical validation study
- Planar flow assumption introduces ~15% error
Cite This Study
Garcia et al. (2010) studied this question.