阴骨外流对围体下降和发育的影响
Durwash Badr1, Liam C Martin1, Henry Chill2
1Translational Biomechanics Laboratory, Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, Benedum Hall, Office 406, 3700 O'Hara Street, Pittsburgh, PA, 15260, USA.
International urogynecology journal
|November 19, 2025
概括
妇女的阴部肌肉 (PVM) 脱落与骨盆底功能障碍有关,导致围体 (PB) 转移和膀下降增加. 这项研究突出了PVM脱落在骨盆支上的解剖学后果.
科学领域:
- 骨盆地解剖学和生物力学
- 医学成像和分析.
- 妇女健康和产科妇女健康和产科
背景情况:
- 阴部肌肉 (PVM) 脱落会影响超过三分之一的阴道分娩后妇女,这是骨盆底功能障碍 (PFD) 的重要危险因素.
- 周围体 (PB) 的后下位移动5毫米扩大了生殖器间隙,导致骨盆器官脱落.
研究的目的:
- 为了研究PVM脱落和PB运动之间的关系.
- 为了将脱落指标和骨/骨运动与PVM脱落相关联.
- 在不同患者群体中使用统计形状建模 (SSM) 分析骨盆地形状变化.
主要方法:
- 分析了来自不同患者群体的112张MRI消化扫描 (囊,阻塞排便,无).
- 使用轴向T2图像评估PVM流血,并将其分类为无症状-无症状,非流血,部分流血和流血组.
- 测量休息和疏散的解剖距离和角度,然后进行骨盆地形状分析的SSM.
主要成果:
- 在89名患者中,有25名患有脱落,有18名患有部分脱落.
- 流产的患者年龄较大,怀孕和分娩次数较多,表现出阴部交叉体与阴部交叉体之间的距离增加和膀下降更大.
- 在受伤组中,SSM揭示了更大的盆地肌肉下降,PB转移和升降器碗区域,以及改变的圣角.
结论:
- PVM 突起与下部 PB 转移,膀下降的增加,以及十字骨/骨的形状变化有关,影响 III 级盆腔支.
- 这些发现为休息和排便期间PVM脱落的解剖后果提供了宝贵的见解.
- 这项研究强调了在患有骨盆底功能障碍的妇女中评估PVM完整性的重要性.
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