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    Quantification of Internal Disc Strain Under Dynamic Loading Via High-Frequency Ultrasound

    Source: Journal of Biomechanical Engineering:;2025:;volume( 147 ):;issue: 003::page 34501-1
    Author:
    Ghajar-Rahimi, Elnaz
    ,
    Sakhrani, Diya D.
    ,
    Kulkarni, Radhika S.
    ,
    Lim, Shiyin
    ,
    Dumerer, Blythe
    ,
    Labine, Annie
    ,
    Abbott, Michael E.
    ,
    O'Connell, Grace D.
    ,
    Goergen, Craig J.
    DOI: 10.1115/1.4067330
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Measurement of internal intervertebral disc strain is paramount for understanding the underlying mechanisms of injury and validating computational models. Although advancements in noninvasive imaging and image processing have made it possible to quantify strain, they often rely on visual markers that alter tissue mechanics and are limited to static testing that is not reflective of physiologic loading conditions. The purpose of this study was to integrate high-frequency ultrasound and texture correlation to quantify disc strain during dynamic loading. We acquired ultrasound images of the posterior side of bovine discs in the transverse plane throughout 0–0.5 mm of assigned axial compression at 0.3–0.5 Hz. Internal Green-Lagrangian strains were quantified across time using direct deformation estimation (DDE), a texture correlation method. Median principal strain at maximal compression was 0.038±0.011 for E1 and −0.042±0.012 for E2. Strain distributions were heterogeneous throughout the discs, with higher strains noted near the disc endplates. This methodological report shows that high-frequency ultrasound can be a valuable tool for quantification of disc strain under dynamic loading conditions. Further work will be needed to determine if diseased or damaged discs reveal similar strain patterns, opening the possibility of clinical use in patients with disc disease.
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      Quantification of Internal Disc Strain Under Dynamic Loading Via High-Frequency Ultrasound

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    contributor authorGhajar-Rahimi, Elnaz
    contributor authorSakhrani, Diya D.
    contributor authorKulkarni, Radhika S.
    contributor authorLim, Shiyin
    contributor authorDumerer, Blythe
    contributor authorLabine, Annie
    contributor authorAbbott, Michael E.
    contributor authorO'Connell, Grace D.
    contributor authorGoergen, Craig J.
    date accessioned2025-04-21T10:12:26Z
    date available2025-04-21T10:12:26Z
    date copyright1/17/2025 12:00:00 AM
    date issued2025
    identifier issn0148-0731
    identifier otherbio_147_03_034501.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4305710
    description abstractMeasurement of internal intervertebral disc strain is paramount for understanding the underlying mechanisms of injury and validating computational models. Although advancements in noninvasive imaging and image processing have made it possible to quantify strain, they often rely on visual markers that alter tissue mechanics and are limited to static testing that is not reflective of physiologic loading conditions. The purpose of this study was to integrate high-frequency ultrasound and texture correlation to quantify disc strain during dynamic loading. We acquired ultrasound images of the posterior side of bovine discs in the transverse plane throughout 0–0.5 mm of assigned axial compression at 0.3–0.5 Hz. Internal Green-Lagrangian strains were quantified across time using direct deformation estimation (DDE), a texture correlation method. Median principal strain at maximal compression was 0.038±0.011 for E1 and −0.042±0.012 for E2. Strain distributions were heterogeneous throughout the discs, with higher strains noted near the disc endplates. This methodological report shows that high-frequency ultrasound can be a valuable tool for quantification of disc strain under dynamic loading conditions. Further work will be needed to determine if diseased or damaged discs reveal similar strain patterns, opening the possibility of clinical use in patients with disc disease.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleQuantification of Internal Disc Strain Under Dynamic Loading Via High-Frequency Ultrasound
    typeJournal Paper
    journal volume147
    journal issue3
    journal titleJournal of Biomechanical Engineering
    identifier doi10.1115/1.4067330
    journal fristpage34501-1
    journal lastpage34501-8
    page8
    treeJournal of Biomechanical Engineering:;2025:;volume( 147 ):;issue: 003
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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