基于超声评估的胎头位置与临床评估的宫颈扩张之间的关系。
Association between ultrasound-based assessment of fetal head station and clinically assessed cervical dilatation.
机构信息
Department of Obstetrics and Gynecology, Maimonides Medical Center, Brooklyn, NY, USA.
出版信息
Ultrasound Obstet Gynecol. 2011 Jun;37(6):709-11. doi: 10.1002/uog.8875. Epub 2011 May 3.
OBJECTIVES
To describe the association between ultrasound-based determination of fetal head station and clinical assessment of cervical dilatation during active labor.
METHODS
From 427 women with singleton uncomplicated term pregnancies we obtained, during the active phase of labor, 907 pairs of measurements. Fetal head station and position were determined using the LaborPro system, based on position tracking and ultrasound imaging technology, and degree of cervical dilatation was determined by digital vaginal examination. The association between them was analyzed.
RESULTS
The overall correlation between cervical dilatation and fetal head station was 0.64 (P < 0.001). Complete dilatation was observed in 78% of women with fetal head engagement, and in all women with a fetal head station of + 1.5 or more.
CONCLUSIONS
There is good association between non-invasive ultrasound-based determination of fetal head station and clinically assessed cervical dilatation.
目的
描述在活跃分娩期间，基于超声的胎儿先露位置与临床评估宫颈扩张之间的关联。
方法
从 427 名单胎无并发症足月妊娠的女性中，我们在活跃分娩期间获得了 907 对测量值。使用 LaborPro 系统，基于位置跟踪和超声成像技术确定胎儿先露位置和位置，通过数字阴道检查确定宫颈扩张程度。分析它们之间的关联。
结果
宫颈扩张和胎儿先露位置之间的总体相关性为 0.64（P < 0.001）。在胎头衔接的女性中，78%观察到完全扩张，在胎头位置为+1.5 或更高的所有女性中也是如此。
结论
基于超声的非侵入性胎儿先露位置确定与临床评估的宫颈扩张之间存在良好的关联。
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