Ultrasound computed tomography based on full waveform inversion with source directivity calibration

Wu, Xiaoqing; Li, Yubing; Li, Y.; Li, Panpan; Wang, Xiangda; Wan-Tao, Lin

doi:10.1016/j.ultras.2023.107004

Cited by 4 publications

(1 citation statement)

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“…Indeed, 3-D multi-frequency and multi-parameter measurements that combine transmission approaches are likely needed for the full characterization of the microstructural and mechanical properties of musculoskeletal tissues [363,364]. To that end, approaches such as ultrasound computed tomography (UCT) have the potential to effectively and efficiently quantify and spatially map human tissue properties in 3D [365,366], albeit at the expense of increased cost and complexity and reduced portability. Current applications have already demonstrated that UCT has the capacity to provide images from various reconstructed acoustic parameters, including the propagation velocity of axial ultrasound waves [367], density, and attenuation [358].…”

Section: Future Perspectivesmentioning

confidence: 99%

The Biomechanics of Musculoskeletal Tissues during Activities of Daily Living: Dynamic Assessment Using Quantitative Transmission-Mode Ultrasound Techniques

Wearing,

Hooper,

Langton

et al. 2024

Healthcare

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The measurement of musculoskeletal tissue properties and loading patterns during physical activity is important for understanding the adaptation mechanisms of tissues such as bone, tendon, and muscle tissues, particularly with injury and repair. Although the properties and loading of these connective tissues have been quantified using direct measurement techniques, these methods are highly invasive and often prevent or interfere with normal activity patterns. Indirect biomechanical methods, such as estimates based on electromyography, ultrasound, and inverse dynamics, are used more widely but are known to yield different parameter values than direct measurements. Through a series of literature searches of electronic databases, including Pubmed, Embase, Web of Science, and IEEE Explore, this paper reviews current methods used for the in vivo measurement of human musculoskeletal tissue and describes the operating principals, application, and emerging research findings gained from the use of quantitative transmission-mode ultrasound measurement techniques to non-invasively characterize human bone, tendon, and muscle properties at rest and during activities of daily living. In contrast to standard ultrasound imaging approaches, these techniques assess the interaction between ultrasound compression waves and connective tissues to provide quantifiable parameters associated with the structure, instantaneous elastic modulus, and density of tissues. By taking advantage of the physical relationship between the axial velocity of ultrasound compression waves and the instantaneous modulus of the propagation material, these techniques can also be used to estimate the in vivo loading environment of relatively superficial soft connective tissues during sports and activities of daily living. This paper highlights key findings from clinical studies in which quantitative transmission-mode ultrasound has been used to measure the properties and loading of bone, tendon, and muscle tissue during common physical activities in healthy and pathological populations.

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