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Usefulness of transperineal shear wave elastography of levator ani muscle in women with stress urinary incontinence

  • Special Section: The pelvic
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Abstract

This study aimed to quantitatively assess the quality of levator ani muscle (LAM) using shear wave elastography (SWE) and to evaluate the association between the elasticity of LAM and stress urinary incontinence (SUI). The study population included 32 women with SUI and 34 women with normal pelvic support. The thickness of LAM, bladder neck descent (BND), and urethral funneling (UF) were assessed by transperineal ultrasound. LAM elasticity was measured by SWE at rest and during the maximal Valsalva maneuver. Age, menopause, BND, and UF showed a positive correlation with SUI. There was no significant between-group difference in the elastic modulus values of LAM at rest. The thickness of LAM in women with SUI was greater than that in control group at rest and during the maximal Valsalva maneuver (P < 0.001). The elastic modulus values of Emax and Emean were significantly increased from rest to the maximal Valsalva maneuver in all participants (56.24 vs 82.43 kPa and 47.92 vs 72.37 kPa, P < 0.001). The change of these variables from rest to the maximal Valsalva maneuver in the control group was more obvious than that in the SUI group (34.09 vs 17.87 kPa and 31.55 vs 16.82 kPa, P < 0.05). The elasticity of LAM, as quantified by SWE, may potentially be used as an index for predicting SUI.

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Authors and Affiliations

  1. Department of Ultrasound, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, 266003, Shandong, China

    X. M. Li, Q. Y. Zhu, C. Zhao, S. B. Fang & Z. L. Yang

  2. Department of Ultrasound, Maternity and Child Health Care of Zaozhuang, Jining, 261031, China

    L. M. Zhang

  3. Department of Gynecology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China

    Y. Li

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Li, X.M., Zhang, L.M., Li, Y. et al. Usefulness of transperineal shear wave elastography of levator ani muscle in women with stress urinary incontinence. Abdom Radiol 47, 1873–1880 (2022). https://doi.org/10.1007/s00261-022-03478-5

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  • DOI: https://doi.org/10.1007/s00261-022-03478-5

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