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    Shear Wave Elastography on the Uterine Cervix: Technical Development for the Transvaginal Approach

    272236.pdf (516.0Kb)
    Access Status
    Open access
    Authors
    O'Hara, S.
    Zelesco, M.
    Sun, Zhonghua
    Date
    2018
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    O'Hara, S. and Zelesco, M. and Sun, Z. 2018. Shear Wave Elastography on the Uterine Cervix: Technical Development for the Transvaginal Approach. Journal of Ultrasound in Medicine. 38 (4): pp. 1049-1060.
    Source Title
    Journal of Ultrasound in Medicine
    DOI
    10.1002/jum.14793
    ISSN
    0278-4297
    School
    School of Molecular and Life Sciences (MLS)
    Remarks

    This is the peer reviewed version of the following article: Shear Wave Elastography on the Uterine Cervix: Technical Development for the Transvaginal Approach [In Press]. Australasian Journal of Ultrasound Medicine [In Press], which has been published in final form at 10.1002/jum.14793. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving at http://olabout.wiley.com/WileyCDA/Section/id-828039.html

    URI
    http://hdl.handle.net/20.500.11937/71087
    Collection
    • Curtin Research Publications
    Abstract

    Objectives: This research aimed to identify biological and technical confounders in the nonpregnant cervix when applying shear wave elastography with an endovaginal transducer. Methods: Cervical speed measurements were obtained at the internal and external os in the anterior and posterior portions of the cervix using a transvaginal approach in 69 nongravid patients. Results: Reliable measurements were obtained at the external os and internal os, anteriorly and posteriorly, in 63, 55, 55, and 26 patients, respectively. The mean speed obtained at the external os, anteriorly and posteriorly, was 2.52 ± 0.49 m/s and 2.87 ± 0.63 m/s, respectively, and at the internal os, anteriorly and posteriorly, 3.29 ± 0.79 m/s and 4.10 ± 1.11 m/s, respectively. The difference in speed between all regions was statistically significant (P < .05). Conclusion: Ultrasound‐induced artifacts appear to affect the transmission of the elastographic main pulse, with cervical position contributing to suboptimal shear wave production in the posterior cervix. Reliable shear wave propagation can be achieved in the anterior cervix in most patients.

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