妊娠晚期女性盆膈裂孔的超声影像学表现分析

Analysis on Ultrasonographic Imaging Manifestations of Pelvic Diaphragm Hiatus in Late-Pregnant Women

目的探讨妊娠晚期女性盆膈裂孔的超声影像学表现特点。方法选择我院2014年4月至2016年6月间妊娠晚期孕妇200例为晚育组,并选择同期无生育流产史妇女200例作为对照组,两组均进行经阴道三维超声检查,比较两组的PH参数值。结果 1和对照组比较,晚孕组在静息期、缩肛期、张力期的PH前后径、左右径、面积明显更大(P<0.05)。2晚孕组PH正常孕妇120例,占比为60%,三维图像和对照组比较无差异;PH异常80例,占比为40%,其中裂孔异常患者可见正常的菱形变形,成为椭圆形。结论采用三维超声对妊娠晚期女性PH进行评估,操作简单、无创可靠,能够对妊娠晚期PH的大小和形态变化进行有效的评估,具有较高的临床诊断价值。

Objective To explore ultrasonographic image features of pelvic diaphragm hiatus in late-pregnant women. Methods 200 cases of late-pregnant women in our hospital from April 2014 to June 2016 were chosen as late-pregnant group; 200 cases of women without childbearing and abortion history at the same period were chosen as control group. Both groups received transvaginal three-dimensional ultrasound inspection, and PH parameters were compared between the two groups. Results （1） Compared with the control group, the late-pregnant group showed obviously larger anteroposterior diameter, transverse diameter and area of PH at tranquillization period, anal contraction period and tension period （P〈0.05）. （2）120 cases （60%） of late-pregnant women had normal PH, and the three dimensional images had no difference compared with control group; 80 cases （40%） had abnormal PH, in whom patients with abnormal hiatus had normal rhombic deformation turning into oval. Conclusions Three-dimensional ultrasonographic imaging can effectively show size and shape changes of PH in late-pregnant women, with easy operation, noninvasion and reliability, which has higher diagnostic value.