ArticlePhysics in medicine and biology2020
A comparison between unfocused and focused transmit strategies in cardiac strain imaging.
Article in Physics in medicine and biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 5 citations in OpenAlex.
- Preliminary Feasibility of Stress Myocardial Elastography for the Detection of Coronary Artery Disease.Ultrasound in medicine & biology · 2023Article
- Myocardial Strain Imaging With Electrocardiogram-Gated and Coherent Compounding for Early Diagnosis of Coronary Artery Disease.Ultrasound in medicine & biology · 2022Article
- Simple sacrificial-layer-free microfabrication processes for air-cavity Fresnel acoustic lenses (ACFALs) with improved focusing performance.Microsystems & nanoengineering · 2022Article
- Catheter Ablation Lesion Visualization With Intracardiac Strain Imaging in Canines and Humans.IEEE transactions on ultrasonics, ferroelectrics, and frequency control · 2020Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
Unfocused ultrasound imaging, particularly coherent compounding with diverging waves, is a commonly employed high-frame rate transmit strategy in cardiac strain imaging. However, the accuracy and precision of diverging wave imaging compared to focused-beam transmit approaches in human subjects is unknown. Three transmit strategies-coherent compounding imaging, composite focused imaging with ECG gating and narrow-beams, and focused imaging with wide-beams-were compared in simulation and in transthoracic imaging of healthy human subjects (n = 7). The focused narrow-beam sequence estimated radial end-systolic cumulative strains of a simulated left ventricular deformation with 26% ± 1.5% and 34% ± 1.5% greater accuracy compared with compounding and wide-beam imaging, respectively. Strain estimation precision in transthoracic imaging was then assessed with the Strain Filter on cumulative end-systolic radial strains. Within the strain values where statistically significant differences in precision (E(SNR
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