AbstractLimited data on the correlation between the perineal body (PB) and stress urinary incontinence (SUI) are available. The objectives of this study were to quantify the PB using shear wave elastography (SWE) technology with a high-frequency linear array probe to evaluate the relationship between the properties of PB and stress urinary incontinence (SUI).

摘要关于会阴体（PB）与压力性尿失禁（SUI）之间相关性的有限数据可用。本研究的目的是使用剪切波弹性成像（SWE）技术和高频线性阵列探针对PB进行定量，以评估PB特性与压力性尿失禁（SUI）之间的关系。

This study included 64 women with SUI and 70 female control participants. The length, height, perimeter, and area of PB in all participants were calculated using transperineal ultrasound, and the elasticity of PB was assessed by SWE at rest and during the maximal Valsalva maneuver, respectively. In addition, the comparison of PB parameters between the patients with SUI and the healthy participants was conducted.

这项研究包括64名SUI女性和70名女性对照参与者。使用经会阴超声计算所有参与者的PB的长度，高度，周长和面积，并分别在休息和最大Valsalva动作期间通过SWE评估PB的弹性。此外，还对SUI患者和健康参与者之间的PB参数进行了比较。

The transperineal ultrasound and SWE examination was performed in 134 participants, and the elastic modulus values were significantly increased from participants at rest to those during the maximal Valsalva maneuver in all participants (Emax: 35.59 versus 53.13 kPa, P < 0.001; and Emean: 26.97 versus 40.25 kPa, P < 0.001).

134名参与者进行了经会阴超声和SWE检查，所有参与者的弹性模量值从休息时的参与者显着增加到最大Valsalva动作期间的参与者（Emax:35.59比53.13 kPa，P<0.001；和峨眉：26.97比40.25 kPa，P<0.001）。

Emax and Emean of PB exhibited significant differences during the maximal Valsalva maneuver between the SUI group and the control group (47.73 versus 58.06 kPa, P < 0.001; and 35.78 versus 44.33 kPa, P < 0.001) and had a negative correlation with SUI. The BMI and PB height during the maximal Valsalva maneuver in the SUI group were found to be significantly higher than that in healthy volunteers.

PB的Emax和Emean在SUI组和对照组之间的最大Valsalva动作期间表现出显着差异（47.73对58.06 kPa，P<0.001；和35.78对44.33 kPa，P<0.001），与SUI呈负相关。。

Emax and Emean of PB negatively correlated with BMI during the maximal Valsalva maneuver (r = -0.277, P = 0.001 and r = -0.211, P = 0.014). ROC curve analysis demonstrated that PB perimeter of less than 12.68mm was strongly associated with SUI during the maximal Valsalva maneuver, and an Emax of l.

在最大Valsalva动作期间，PB的Emax和Emean与BMI呈负相关（r=-0.277，P=-0.001和r=-0.211，P=-0.014）。ROC曲线分析表明，在最大Valsalva动作期间，PB周长小于12.68mm与SUI密切相关，Emax为l。

IntroductionStress urinary incontinence (SUI) is the complaint of involuntary urine leakage on increased abdominal pressure. SUI is a common gynecological urinary system disease, which has a significant impact on the quality of life. The prevalence of SUI greatly varies and is highly population-dependent1,2.

引言压力性尿失禁（SUI）是腹部压力增加导致非自愿尿漏的主诉。SUI是一种常见的妇科泌尿系统疾病，对生活质量有重大影响。SUI的患病率差异很大，并且高度依赖人群1,2。

SUI is more common in women. It has been reported that the urethral support structure has been confirmed as an important factor in the pathophysiology of SUI3,4. The urethrovaginal sphincter attaches to the perineal body (PB), and both spontaneous or deliberate injury of PB might be associated with SUI5,6,7.The PB, a complex fibromuscular mass, was first named by MacAlister in 18898.

SUI在女性中更常见。据报道，尿道支持结构已被证实是SUI3,4病理生理学的重要因素。尿道阴道括约肌附着于会阴体（PB），PB的自发性或故意损伤可能与SUI5,6,7有关。PB是一种复杂的纤维肌肉肿块，于18898年由MacAlister首次命名。

It is the confluence of many pelvic floor structures insert and serves as the central anchor for the urogenital and anal triangles of the perineum9. The levator ani muscle and urethral vaginal sphincter play an important role in the pathogenesis of urinary incontinence, and they are all attached to the PB7,10.

它是许多盆底结构插入物的汇合处，并作为会阴泌尿生殖器和肛门三角形的中心锚9。肛提肌和尿道阴道括约肌在尿失禁的发病机制中起着重要作用，它们都附着在PB7,10上。

The PB, an extremely important structure, not only prevents expansion of the urogenital hiatus but also maintains urinary and fecal continence9. The PB could decrease its stiffness significantly during delivery with minimal injury and return to its predelivery state by the end of puerperium11,12. Because of its small size and superficial location, the PB makes it difficult to assess in detail using MRI and CT13.

PB是一种极其重要的结构，不仅可以防止泌尿生殖道裂孔的扩张，还可以维持尿液和粪便的控制9。PB可以在分娩过程中显着降低其刚度，损伤最小，并在产褥期结束时恢复到分娩前状态11,12。由于PB体积小，位置浅，因此很难使用MRI和CT13进行详细评估。

Ultrasound might be a more suitable approach to observe PB using a high-frequency linear array probe.Emerging ultrasound technologies, such as strain elastography (SE) and shear wave elastography (SWE), can access tissue or mass stiffness based on different imaging principles. SE is performed using internal physiologic pulsation such as respiratory motion, cardiovascular p.

超声波可能是使用高频线性阵列探头观察PB的更合适方法。新兴的超声技术，如应变弹性成像（SE）和剪切波弹性成像（SWE），可以根据不同的成像原理获得组织或肿块的刚度。SE使用内部生理脉动进行，例如呼吸运动，心血管p。

Data availability

数据可用性

Data is provided within the manuscript or supplementary information files.

数据在手稿或补充信息文件中提供。

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Download referencesAuthor informationAuthor notesThese author contributed equally: Limin Zhang.Authors and AffiliationsDepartment of Ultrasound, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, 266003, ChinaXiumei Li, Cheng Zhao, Shibao Fang, Zongli Yang & Liwen SunDepartment of Ultrasound, Maternity and Child Health Care of Zaozhuang, Zaozhuang, 277100, ChinaLimin ZhangDepartment of Gynecology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, ChinaYong LiDepartment of Ultrasound, Jimo District People’s Hospital of Qingdao, Qingdao, 266200, ChinaYushan JiangAuthorsXiumei LiView author publicationsYou can also search for this author in.

下载参考文献作者信息作者注意到这位作者做出了同样的贡献：张利民。作者和附属机构青岛大学附属医院超声科，青岛江苏路16号，266003，中国李秀美，程昭，方世宝，杨宗丽和李文，枣庄超声妇幼保健科，枣庄，277100，张丽敏青岛大学附属医院妇产科，青岛，266003，青岛即墨区人民医院超声科，青岛，266200，中国玉山江作者秀美LiView作者出版物你也可以在中搜索这位作者。

PubMed Google ScholarLimin ZhangView author publicationsYou can also search for this author in

PubMed Google ScholarLimin ZhangView作者出版物您也可以在

PubMed Google ScholarYong LiView author publicationsYou can also search for this author in

PubMed Google ScholarYong LiView作者出版物您也可以在

PubMed Google ScholarYushan JiangView author publicationsYou can also search for this author in

PubMed Google ScholarYushan JiangView作者出版物您也可以在

PubMed Google ScholarCheng ZhaoView author publicationsYou can also search for this author in

PubMed Google ScholarCheng ZhaoView作者出版物您也可以在

PubMed Google ScholarShibao FangView author publicationsYou can also search for this author in

PubMed Google ScholarShibao FangView作者出版物您也可以在

PubMed Google ScholarZongli YangView author publicationsYou can also search for this author in

PubMed Google ScholarZongli YangView作者出版物您也可以在

PubMed Google ScholarLiwen SunView author publicationsYou can also search for this author in

PubMed Google ScholarLiwen SunView作者出版物您也可以在

PubMed Google ScholarContributionsZongLi Yang: Conceptualization and Methodology; XiuMei Li and LiMin Zhang: Writing- Original draft preparation and Software; Yong Li: Data curation and Writing- Reviewing and Editing; Yushan Jiang: Prepared Figs. 1–4; Cheng Zhao and ShiBao Fang: Supervision and Validation; LiWen Sun: Writing- Reviewing and Editing; All authors reviewed the manuscript.Corresponding authorCorrespondence to.

PubMed谷歌学术贡献杨宗礼：概念化和方法论；李秀梅和张丽敏：写作-原稿准备和软件；李勇：数据管理和写作-审查和编辑；姜玉山：准备好的图1-4；程昭和石宝芳：监督和验证；孙立文：写作-评论和编辑；所有作者都审阅了手稿。对应作者对应。

Zongli Yang.Ethics declarations

杨宗礼。道德宣言

Competing interests

相互竞争的利益

The authors declare no competing interests.

作者声明没有利益冲突。

Ethics

伦理学

The studies involving human participants were reviewed and approved by the ethics review committee of the Affiliated Hospital of Qingdao University. The patients/participants provided their written informed consent to participate in this study.

涉及人类参与者的研究已由青岛大学附属医院伦理审查委员会审查和批准。患者/参与者提供了书面知情同意书以参加本研究。

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Reprints and permissionsAbout this articleCite this articleLi, X., Zhang, L., Li, Y. et al. Assessment of perineal body properties in women with stress urinary incontinence using Transperineal shear wave elastography.

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Sci Rep 14, 21647 (2024). https://doi.org/10.1038/s41598-024-72429-5Download citationReceived: 29 February 2024Accepted: 06 September 2024Published: 17 September 2024DOI: https://doi.org/10.1038/s41598-024-72429-5Share this articleAnyone you share the following link with will be able to read this content:Get shareable linkSorry, a shareable link is not currently available for this article.Copy to clipboard.

科学报告1421647（2024）。https://doi.org/10.1038/s41598-024-72429-5Download引文接收日期：2024年2月29日接受日期：2024年9月6日发布日期：2024年9月17日OI：https://doi.org/10.1038/s41598-024-72429-5Share本文与您共享以下链接的任何人都可以阅读此内容：获取可共享链接对不起，本文目前没有可共享的链接。复制到剪贴板。

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KeywordsShear wave elastographyPerineal bodyStress urinary incontinenceTransperinealStiffnessLinear array probe

关键词剪切波弹性成像超线性体应力性尿失禁经会阴硬度线性阵列探头

Subjects

主题

Risk factorsUrology

风险因素泌尿外科

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