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中华医学超声杂志(电子版) ›› 2021, Vol. 18 ›› Issue (08) : 753 -758. doi: 10.3877/cma.j.issn.1672-6448.2021.08.007

妇产科超声影像学

超声心动图在卵圆孔通道血流受限合并心功能异常产前诊断中的应用价值
王锟1, 张晓花1, 伊凤蕊2, 刘洁2, 董凤群1,()   
  1. 1. 050000 石家庄,河北生殖妇产医院胎儿心脏超声科
    2. 050000 石家庄市妇产医院产科
  • 收稿日期:2021-05-06 出版日期:2021-08-01
  • 通信作者: 董凤群

Application value of fetal echocardiography in prenatal diagnosis of foramen ovale channel restriction combined with cardiac dysfunction

Kun Wang1, Xiaohua Zhang1, Fengrui Yi2, Jie Liu2, Fengqun Dong1()   

  1. 1. Department of Fetal Heart Ultrasonography, Hebei Maternity Hospital, Shijiazhuang 050000, China
    2. Department of Obstetrics, Shijiazhuang Obstetrics and Gynecology Hosptital, Shijiazhuang 050000, China.
  • Received:2021-05-06 Published:2021-08-01
  • Corresponding author: Fengqun Dong
引用本文:

王锟, 张晓花, 伊凤蕊, 刘洁, 董凤群. 超声心动图在卵圆孔通道血流受限合并心功能异常产前诊断中的应用价值[J]. 中华医学超声杂志(电子版), 2021, 18(08): 753-758.

Kun Wang, Xiaohua Zhang, Fengrui Yi, Jie Liu, Fengqun Dong. Application value of fetal echocardiography in prenatal diagnosis of foramen ovale channel restriction combined with cardiac dysfunction[J]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2021, 18(08): 753-758.

目的

探讨超声心动图在单纯卵圆孔通道血流受限(FOCR)合并心功能异常胎儿产前诊断及预后评估中的应用价值。

方法

回顾性选取2018年10月至2020年5月在河北生殖妇产医院检查,产前超声心动图诊断为单纯FOCR且心血管整体评分(CVPS)提示心功能异常的胎儿16例,分析其初诊、分娩前及出生后的超声心动图特征、CVPS及心功能变化,并随访其妊娠结局和预后。

结果

14例表现为卵圆孔内径或卵圆孔通道有效分流口内径<3 mm,2例表现为卵圆孔内径/房间隔总长度<0.33。16例胎儿分娩前均表现为右心房与左心房横径比(RA/LA)、右心室与左心室横径比(RV/LV)、主肺动脉与升主动脉内径比(MPA/AAO)比值增大,且随孕龄增大而增大,卵圆孔通道分流流速(V-FO)>40 cm/s。16例胎儿中,14例初诊FOCR时CVPS为8~9分,2例初诊未发现心功能异常,CVPS为10分。16例胎儿分娩前,11例表现为轻度心力衰竭,CVPS为8~9分;5例表现为中度心力衰竭,CVPS为6~7分。9例分娩前CVPS较初诊FOCR时减低。16例胎儿出生后,1例于新生儿期死亡;余15例均存活。存活患儿中13例复查超声心动图,心脏结构正常;1例分娩前CVPS为6分,出生后复查可疑心肌病;1例分娩前CVPS为8分,出生后复查不除外原发性肺动脉高压。

结论

超声心动图在FOCR诊断及评估中具有重要价值;应用超声心动图进行CVPS评分可动态观测并评估胎儿心功能变化,对评估胎儿宫内情况及指导分娩时机具有重要意义。

Objective

To assess the value of fetal echocardiography in the prenatal diagnosis and prognostic evaluation of fetuses with simple foramen ovale channel restriction (FOCR) combined with cardiac dysfunction.

Methods

Sixteen fetuses diagnosed as having simple FOCR by prenatal echocardiography and cardiac dysfunction by cardiovascular profile score (CVPS) at Hebei Maternity Hospital from October 2018 to May 2020 were analyzed retrospectively. Their echocardiographic features and changes of cardiac function were dynamically observed to guide timely delivery, and the pregnancy outcome and prognosis were followed.

Results

Among the included fetuses, 14 showed the inner diameter of the foramen ovale or the effective shunt of the foramen ovale channel<3 mm, and 2 had an inner diameter of the foramen ovale/the total length of the atrial septum<0.33. Prenatally, the ratios of RA/LA, RV/LV, and MPA/AAO increased with gestational age, and V-FO was>40 cm/s in all the 16 fetuses. Before delivery, all the 16 fetuses showed decreased CVPS, with 8-9 in 11 fetuses and 6-7 in 5. After delivery, 1 fetus died of acute respiratory distress syndrome in the neonatal period, and the other 15 fetuses survived without intrauterine fetal death. Postpartum reexamination revealed a normal heart in 13 fetuses, suspected cardiomyopathy in 1, and non-excluded primary pulmonary hypertension in 1. The abnormal indexes of CVPS in the 16 fetuses mainly included massive holosystolic tricuspid regurgitation, increased C/T, decreased FS in the left or right ventricle, abnormal spectrum of venous catheter, pericardial effusion, and pleural effusion. The CVPS of nine fetuses before delivery was lower than that at the first visit.

Conclusion

Prenatal echocardiography has important value in the diagnosis and prognostic evaluation of prenatal FOCR. Moreover, prenatal echocardiography can dynamically observe and evaluate the changes in fetal cardiac function, which is of great significance to evaluate intrauterine fetal condition and guide delivery.

表1 16例FOCR胎儿超声心动图参数测量值
图1 孕36周卵圆孔通道血流受限(FOCR)胎儿超声心动图表现。图a示右心房与左心房横径比(RA/LA)、右心室与左心室横径比(RV/LV)增大;图b示主肺动脉与升主动脉内径比(MPA/AAO)增大;图c示卵圆孔通道有效分流口内径减小(白色箭头),测值约1.8 mm;图d示卵圆孔通道分流流速(V-FO)增快,约61 cm/s
图2 卵圆孔通道血流受限(FOCR)胎儿及出生后超声心动图表现。图a~d为孕35周时胎儿超声心动图图像,其中图a示心胸面积比为0.48,图b、c示全收缩期三尖瓣大量反流,图d示右心室短轴缩短率(FS)减低,右心室FS=13%,左心室FS=29%;图e,f为孕36周胎儿经剖宫产娩出,胎儿出生后1个月复查超声心动图图像,图e示卵圆孔未闭,图f示三尖瓣少量反流
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