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Updated: Jan 16, 2026

Anogenital Distance and Perineal Measurements of the Pelvic Organ Prolapse POP Quantification System

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在第二次分娩后的分娩模式组合中对母亲的骨盆地板差异的超声波分析:单中心研究

Jiali Shou¹, Kun Wang¹, Wanting Xu¹

¹Department of Ultrasound Medicine; Guangdong Provincial Key Laboratory of Major Obstetric Diseases; Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.

Journal of clinical ultrasound : JCU

|September 26, 2025

概括

重复阴道分娩 (RVB) 和剖腹产后阴道分娩 (VBAC) 影响盆底肌肉比重复剖腹产 (RCS) 更多. 升降器间隙区域 (LHA-V) 是这些骨盆底变化的关键指标.

科学领域:

产科和妇科产科和妇科
盆地地板成像技术盆地地板成像技术
孕产妇健康孕产妇健康

背景情况:

盆地功能障碍是分娩后的一个常见并发症.
了解不同分娩方式组合对骨盆底健康的影响对于产妇护理至关重要.

研究的目的:

评估第二次分娩后联合分娩方式对母亲的骨盆底结构的影响.
用跨膜超声波来比较不同出生序列的骨盆底结果.

主要方法:

266名妇女被分为四组:重复阴道分娩 (RVB),剖腹产后阴道分娩 (VBAC),阴道分娩后剖腹产 (CAVB) 和重复剖腹产 (RCS).
跨膜超声波评估了升降器间隙区域 (LHA-V),膀部-交叉体距离 (BSD-V) 和膀部下降 (BND).
骨盆器官脱落 (POP) 患病率和与LHA-V相关的因素使用单变量和多变量线性回归分析.

主要成果:

阴道分娩组 (RVB,VBAC,CAVB) 与RCS组相比显示较低的BSD-V和较大的BND.
VBAC导致较低的BSD-V和比CAVB更大的BND.
盆腔器官脱落 (POP) 在RVB组中最常见,在RCS组中最少.
在所有四种交付模式组合中,升降器间歇区域 (LHA-V) 显著不同.
在Valsalva期间,LHA-V与分娩方式,新生儿体重,BND和子宫/腹膜位置有显著的关联.

结论:

剖腹产后的阴道分娩 (VBAC) 与剖腹产后的阴道分娩 (CAVB) 相比,与更差的盆底结果 (较低的BSD-V,更大的BND,更大的LHA-V,更高的POP) 有关.
升降器间隙区域 (LHA-V) 作为一个敏感的超声波标志物,用于评估与分娩方式组合相关的骨盆底变化.

关键词:

交付方式交付方式交付方式升降机间歇区域是一个空白区域.骨盆地板的骨盆地板是什么意思跨膜超声波超声波超声波超声波剖腹产后的阴道分娩剖腹产后的阴道分娩

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