ESPCI web site
Meki Toûka
PhD student
touka.meki@espci.fr
Research topic
Ultrafast ultrasound for cardiovascular diagnosis
Supervisor
Latest publications
4989618
94NJIV78
meki
1
national-institute-of-health-research
5
date
desc
7184
https://blog.espci.fr/physmed/wp-content/plugins/zotpress/
%7B%22status%22%3A%22success%22%2C%22updateneeded%22%3Afalse%2C%22instance%22%3Afalse%2C%22meta%22%3A%7B%22request_last%22%3A0%2C%22request_next%22%3A0%2C%22used_cache%22%3Atrue%7D%2C%22data%22%3A%5B%7B%22key%22%3A%22HUJMR8XH%22%2C%22library%22%3A%7B%22id%22%3A4989618%7D%2C%22meta%22%3A%7B%22lastModifiedByUser%22%3A%7B%22id%22%3A804678%2C%22username%22%3A%22j%5Cu00e9r%5Cu00f4me%20baranger%22%2C%22name%22%3A%22%22%2C%22links%22%3A%7B%22alternate%22%3A%7B%22href%22%3A%22https%3A%5C%2F%5C%2Fwww.zotero.org%5C%2Fjrme_baranger%22%2C%22type%22%3A%22text%5C%2Fhtml%22%7D%7D%7D%2C%22creatorSummary%22%3A%22Meki%20et%20al.%22%2C%22parsedDate%22%3A%222025-11-06%22%2C%22numChildren%22%3A1%7D%2C%22bib%22%3A%22%26lt%3Bdiv%20class%3D%26quot%3Bcsl-bib-body%26quot%3B%20style%3D%26quot%3Bline-height%3A%201.35%3B%20%26quot%3B%26gt%3B%5Cn%20%20%26lt%3Bdiv%20class%3D%26quot%3Bcsl-entry%26quot%3B%20style%3D%26quot%3Bclear%3A%20left%3B%20%26quot%3B%26gt%3B%5Cn%20%20%20%20%26lt%3Bdiv%20class%3D%26quot%3Bcsl-left-margin%26quot%3B%20style%3D%26quot%3Bfloat%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%26quot%3B%26gt%3B1%26lt%3B%5C%2Fdiv%26gt%3B%26lt%3Bdiv%20class%3D%26quot%3Bcsl-right-inline%26quot%3B%20style%3D%26quot%3Bmargin%3A%200%20.4em%200%201.5em%3B%26quot%3B%26gt%3BMeki%20T%2C%20Pedreira%20O%2C%20Reydet%20J%2C%20Dizeux%20A%2C%20Papadacci%20C%2C%20Pernot%20M.%20In-vivo%20muscle%20characterization%20by%203D%20Elastic%20and%20Backscatter%20Tensor%20Imaging%20using%20a%20low%20channel%20count%20system.%20%26lt%3Bi%26gt%3BIEEE%20Trans%20Biomed%20Eng%26lt%3B%5C%2Fi%26gt%3B%202025%3B%26lt%3Bb%26gt%3BPP%26lt%3B%5C%2Fb%26gt%3B%3A%20%26lt%3Ba%20class%3D%26%23039%3Bzp-DOIURL%26%23039%3B%20href%3D%26%23039%3Bhttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1109%5C%2FTBME.2025.3630001%26%23039%3B%26gt%3Bhttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1109%5C%2FTBME.2025.3630001%26lt%3B%5C%2Fa%26gt%3B.%26lt%3B%5C%2Fdiv%26gt%3B%5Cn%20%20%26lt%3B%5C%2Fdiv%26gt%3B%5Cn%26lt%3B%5C%2Fdiv%26gt%3B%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22In-vivo%20muscle%20characterization%20by%203D%20Elastic%20and%20Backscatter%20Tensor%20Imaging%20using%20a%20low%20channel%20count%20system%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Touka%22%2C%22lastName%22%3A%22Meki%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Olivier%22%2C%22lastName%22%3A%22Pedreira%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Juliette%22%2C%22lastName%22%3A%22Reydet%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Alexandre%22%2C%22lastName%22%3A%22Dizeux%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Clement%22%2C%22lastName%22%3A%22Papadacci%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Mathieu%22%2C%22lastName%22%3A%22Pernot%22%7D%5D%2C%22abstractNote%22%3A%22Over%20the%20last%20decade%2C%203D%20ultrafast%20ultrasound%20imaging%20has%20been%20used%20in%20different%20applications%20including%20Elastic%20Tensor%20Imaging%20%28ETI%29%20based%20on%203D%20Shear%20Wave%20Elastography%20and%20Backscatter%20Tensor%20Imaging%20%28BTI%29.%20BTI%20and%20ETI%20can%20provide%20important%20biomechanical%20and%20structural%20parameters%20of%20fibrous%20soft%20tissues%20such%20as%20the%20skeletal%20muscles%20or%20the%20myocardium.%20However%2C%203D%20ultrafast%20imaging%20requires%202D%20transducers%20arrays%20with%20a%20large%20number%20of%20elements%2C%20which%20mainly%20limits%20their%20use%20to%20laboratory%20research%20settings.%20This%20study%20aims%20to%20develop%20a%20clinically%20transposable%20ultrasound%20system%20combining%203D-ETI%20and%20BTI%20to%20characterize%20anisotropic%20tissues.%20A%20low%20channel%20count%20system%20with%20128%20channels%20based%20on%20a%20vantage%20system%20and%20a%20dedicated%20matrix%20transducer%20driven%20at%202.5MHz%20was%20developed.%20The%20performance%20of%20the%20approach%20was%20demonstrated%20on%20anisotropic%20and%20fibrous%20phantoms.%20In-vivo%20feasibility%20was%20performed%20on%20the%20brachii%20biceps%20of%204%20healthy%20volunteers%20at%20controlled%20contractions%20levels%20using%20weights%20held%20in%20the%20hand.%20Using%20this%20approach%2C%20we%20could%20investigate%20the%20functional%20change%20of%20muscle%20stiffness%20during%20contraction%20%28shear%20wave%20speed%20from%203.2%5Cu00b10.20m%5C%2Fs%20to%206.6%5Cu00b10.58m%5C%2Fs%2C%20and%20elastic%20fractional%20anisotropy%20from%200.26%5Cu00b10.04%20to%200.49%5Cu00b10.07%29.%20Structural%20characterization%20was%20performed%20with%20BTI%2C%20fiber%20organization%20and%20coherence%20fractional%20anisotropy%20remained%20constant%20with%20contraction%20%280.27%5Cu00b10.05%29.%20This%20novel%20device%20enables%20non-invasive%20characterization%20of%20anisotropic%20tissues%2C%20discerning%20stress%20and%20structural%20anisotropy%20in%20promising%20applications%20in%20musculoskeletal%20and%20myocardial%20pathologies.%22%2C%22date%22%3A%222025-11-06%22%2C%22section%22%3A%22%22%2C%22partNumber%22%3A%22%22%2C%22partTitle%22%3A%22%22%2C%22DOI%22%3A%2210.1109%5C%2FTBME.2025.3630001%22%2C%22citationKey%22%3A%22%22%2C%22url%22%3A%22%22%2C%22PMID%22%3A%2241196779%22%2C%22PMCID%22%3A%22%22%2C%22ISSN%22%3A%221558-2531%22%2C%22language%22%3A%22eng%22%2C%22collections%22%3A%5B%2294NJIV78%22%5D%2C%22dateModified%22%3A%222025-11-20T10%3A32%3A37Z%22%7D%7D%5D%7D
1
Meki T, Pedreira O, Reydet J, Dizeux A, Papadacci C, Pernot M. In-vivo muscle characterization by 3D Elastic and Backscatter Tensor Imaging using a low channel count system. IEEE Trans Biomed Eng 2025;PP: https://doi.org/10.1109/TBME.2025.3630001.