基于磁共振成像的骨盆底形态和功能的比较研究,在怀孕前和初怀孕后进行阴道分娩
Xiaonan Lin1, Jinming Chen1, Haijing Pan1
1Department of Radiology, The Affiliated People's Hospital of Fujian University of Traditional Chinese Medicine, 602 Ba Yi Qi Zhong Road, Fuzhou, China.
BMC pregnancy and childbirth
|January 25, 2025
概括
阴道分娩可能会导致盆地损伤,在产后六个月观察到一些恢复. 然而,在这个时间框架内,无法完全恢复到怀孕前的水平.
科学领域:
- 盆地图像成像 盆地图像成像
- 产科 产科 产科 产科 产科
- 妇女健康 妇女健康
背景情况:
- 阴道分娩是骨盆底功能障碍的主要危险因素.
- 磁共振成像 (MRI) 提供了骨盆地形态和功能的定量评估.
- 在阴道分娩后的盆地变化需要彻底调查.
研究的目的:
- 为了研究骨盆底形态和功能变化在 primigravida妇女.
- 为了比较妊娠前 (BP) 和分娩后3个月和6个月 (3mPP,6mPP) 的盆底状态.
主要方法:
- 骨盆地MRI扫描是在BP,3mPP和6mPP的初怀孕妇女身上进行的.
- 关键指标包括阻塞器内部肌肉 (OIM) 区域, puborectalis 肌肉厚度 (PRT),升降板角 (LPA),以及各种盆地尺寸和下降参数.
- 测量是在休息状态和紧张状态下进行的.
主要成果:
- 从BP到3mPP,OIM面积和PRT减少,而静止状态下前骨盆面积增加.
- 在跨越多个参数的紧张动作过程中观察到显著的差异.
- 从3mPP到6mPP,OIM面积和PRT增加,前骨盆面积减少,在压力过程中进一步显著变化.
结论:
- 阴道分娩导致骨盆底损伤,逐渐恢复.
- 完全恢复到怀孕前的骨盆底状态在分娩后的6个月内无法实现.
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