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不同孕周正常胎儿卵圆孔及卵圆孔瓣各项参数的比较 被引量:4

Comparison of various parameters of foramen ovale and foramen oval valve among normal fetuses of different gestational weeks
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摘要 目的比较不同孕周正常胎儿卵圆孔及卵圆孔瓣各项参数。方法将200例正常孕妇及其胎儿按孕周分为20~24周组、25~29周组、30~34周组、35~40周组,每组各50例。应用超声心动图测量胎儿心脏卵圆孔径(FO-d)、卵圆孔瓣长(FOV-L)、房间隔总长(AS-L)、卵圆孔收缩期峰值血流速度(FO-v)、主动脉内径(AO-d),并计算FO-d/AS-L、FOV-L/FO-d、FO-d/AO-d比值。分析卵圆孔各项参数与孕周的相关性。结果不同孕周组之间FO-d、FOV-L、AS-L、AO-d随胎儿孕周的增加而逐渐增大(均P<0.05);20~24周组、25~29周组、30~34周组的FO-v依次增快(均P<0.05),但30~34周组与35~40周组间差异无统计学意义(P>0.05);4组间FO-d/AS-L、FOV-L/FO-d、FO-d/AO-d比值比较,差异均无统计学意义(均P>0.05)。FO-d、FOV-L、FO-v、AS-L、AO-d与孕周呈正相关,FO-d/AO-d与孕周呈负相关(均P<0.05),而FO-d/AS-L、FOV-L/FO-d与孕周无相关性(均P>0.05)。结论胎儿超声心动图技术可定量评价胎儿卵圆孔的结构特征,其测值大小随孕周增加而增大,或可作为评价胎儿心脏发育的一项指标;相关参数比值恒定,有助于胎儿心脏畸形的产前诊断。
作者 郭清 何芳 杨建荣 时凤娟 张琪 邓兆辰 GUO Qing;HE Fang;YANG Jian-rong
出处 《广西医学》 CAS 2020年第6期763-765,共3页 Guangxi Medical Journal
基金 广西医药卫生科研课题(Z20170173)。
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