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中华医学超声杂志(电子版) ›› 2022, Vol. 19 ›› Issue (09) : 926 -932. doi: 10.3877/cma.j.issn.1672-6448.2022.09.010

妇产科超声影像学

eSTIC技术与STIC技术显示胎儿心脏诊断切面的对比研究
袁华1, 赵博文2,(), 解左平1, 华琪琪1, 周佳梅1, 郭河清1, 陈燕1, 潘美2   
  1. 1. 312000 绍兴,浙江省绍兴市妇女儿童医院超声科 绍兴文理学院附属妇幼保健院
    2. 310016 浙江大学医学院附属邵逸夫医院超声科
  • 收稿日期:2020-09-06 出版日期:2022-09-01
  • 通信作者: 赵博文
  • 基金资助:
    浙江省基础公益研究计划项目(LGF18H180015,LGF22H180043); 浙江省医药卫生科技计划项目(2021KY1156,2022KY410); 浙江省绍兴市公益性技术应用研究项目(2020A13039)

Comparative study of electronic spatio-temporal image correlation technique and spatio-temporal image correlation technique in displaying fetal heart diagnostic views

Hua Yuan1, Bowen Zhao2,(), Zuoping Xie1, Qiqi Hua1, Jiamei Zhou1, Heqing Guo1, Yan Chen1, Mei Pan2   

  1. 1. Department of Diagnostic Ultrasound, Shaoxing Women & Children's Hospital, Maternal and Child Health Care Hospital, Shaoxing University, Shaoxing 312000, China
    2. Department of Diagnostic Ultrasound, Sir Run Run Shaw Hospital, Zhejiang University College of Medicine, Hangzhou 310016, China
  • Received:2020-09-06 Published:2022-09-01
  • Corresponding author: Bowen Zhao
引用本文:

袁华, 赵博文, 解左平, 华琪琪, 周佳梅, 郭河清, 陈燕, 潘美. eSTIC技术与STIC技术显示胎儿心脏诊断切面的对比研究[J]. 中华医学超声杂志(电子版), 2022, 19(09): 926-932.

Hua Yuan, Bowen Zhao, Zuoping Xie, Qiqi Hua, Jiamei Zhou, Heqing Guo, Yan Chen, Mei Pan. Comparative study of electronic spatio-temporal image correlation technique and spatio-temporal image correlation technique in displaying fetal heart diagnostic views[J]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2022, 19(09): 926-932.

目的

评价电子矩阵时间-空间相关成像(eSTIC)技术显示胎儿心脏诊断切面是否较时间-空间相关成像(STIC)技术具有优势。

方法

2019年1月至6月在绍兴市妇女儿童医院超声科进行产前超声检查的孕妇中,随机选择四腔心观上脊柱在5点至7点的18~24周正常胎儿64例。分别应用电子矩阵容积探头、传统机械容积探头采集同一胎儿心脏容积数据,存盘并脱机分析。应用正交三平面模式、断层超声显像模式显示胎儿心脏8个诊断切面:标准四腔心观、左心室流出道观、右心室流出道观、三血管-气管观、腹部横切观、动脉导管弓长轴观、主动脉弓长轴观、上下腔静脉-右心房观。将各个切面观重建图像的质量分为优、一般、差三级,质量为优、一般定义为合格,质量差定义为不合格。应用配对χ2检验对比2种方法显示心脏各诊断切面的合格率,应用配对秩和检验对比2种方法获得的心脏各诊断切面的成像质量的差异。

结果

2种技术均采集容积数据64个,采集成功率均为100%。eSTIC、STIC对于标准四腔心观、左心室流出道观、右心室流出道观、三血管-气管观、腹部横切观的显示合格率差异均无统计学意义(P均>0.05),但对于动脉导管弓长轴观、主动脉弓长轴观、上下腔静脉-右心房观,eSTIC显示合格率均优于STIC(均为93.8% vs 71.9%),差异均具有统计学意义(χ2均=11.925,P均=0.001)。eSTIC所有诊断切面重建图像的质量均优于STIC,差异有统计学意义(P均<0.05)。

结论

eSTIC能显著提高胎儿心脏诊断切面重建图像的成像质量。与STIC相比,eSTIC对胎儿心脏纵向诊断切面的显示更具优势。

Objective

To evaluate whether electronic spatial-temporal image correlation (eSTIC) technology has advantages over spatial-temporal image correlation (STIC) technology in displaying fetal heart diagnostic views.

Methods

This was a self-control trial of 64 normal singleton fetuses at 18 to 24 weeks of gestation who underwent prenatal ultrasound examination at the ultrasound department of Shaoxing Women & Children's Hospital from January to June 2019. In all fetuses, the position of the spine in the four chamber view was from 5∶00 to 7∶00. For each fetus, eSTIC and STIC of the fetal heart were performed with an electronic 4D probe and a conventional mechanical 4D probe. respectively. The sonographic volumes were computer stored and subsequently analyzed using 4D view software. Eight diagnostic views of fetal heart were displayed by orthogonal triplane mode or tomographic ultrasound imaging mode: (1) standard four chamber; (2) left ventricular outflow tract; (3) short-axis view of great vessels/right ventricular outflow tract; (4) three vessels and trachea; (5) abdomen/stomach; (6) ductal arch; (7) aortic arch; and (8) superior and inferior vena cava. The quality of the reconstructed images was categorized into three levels: excellent, fair, and poor. Excellent or fair quality was regarded as qualified, and poor quality was regarded as unqualified. Paired Chi square test was used to compare the qualified rate of the two methods, and the image quality of the two methods was compared by rank sum test.

Results

Both technologies collected 64 volume data sets, and the acquisition success rates were both 100%. There were no significant differences in the qualified rates of eSTIC and STIC for standard four chamber view, left ventricular outflow tract view, short-axis view of great vessels/right ventricular outflow tract, three vessels and trachea view, and abdomen/stomach view (P>0.05), but for ductal arch view, aortic arch view, and superior and inferior vena cava view, the qualified rates of eSTIC were better than those of STIC (93.8% vs 71.9% for all), and the differences were statistically significant (P=0.001 for all). The quality of all the reconstructed images of diagnostic views in eSTIC was better than that that of STIC (P<0.05).

Conclusion

eSTIC can significantly improve the image quality of fetal heart diagnostic view reconstruction. Compared with STIC, eSTIC has more advantages in displaying longitudinal diagnostic views of fetal heart.

表1 64例胎儿心脏eSTIC和STIC容积数据图像质量分级情况(例)
图1 电子矩阵时间-空间相关成像(eSTIC)、时间-空间相关成像(STIC)采集同一胎儿的心脏容积数据在断层超声显像模式上的图像,eSTIC(图a)重建图像的清晰度明显优于STIC(图b)注:4CV为标准四腔心观,LVOT为左心室流出道观,RVOT为右心室流出道观,3VT为三血管-气管观
图2 电子矩阵时间-空间相关成像(eSTIC)、时间-空间相关成像(STIC)采集同一胎儿的心脏容积数据应用正交三平面模式显示动脉导管弓的图像,eSTIC(图a)动脉导管弓显示清晰,STIC(图b)因出现运动伪像(白箭头所示),动脉导管弓显示不满意注:Ductal Arch为动脉导管弓观
图3 电子矩阵时间-空间相关成像(eSTIC)、时间-空间相关成像(STIC)采集同一胎儿的心脏容积数据应用正交三平面模式显示主动脉弓的图像,eSTIC(图a)主动脉弓显示清晰,STIC(图b)因出现运动伪像(白箭头所示),主动脉弓显示不满意注:Aortic Arch为主动脉弓观
表2 64例胎儿心脏eSTIC和STIC重建图像合格率的比较[例(%)]
表3 64例胎儿心脏eSTIC和STIC诊断切面重建图像质量不合格情况(例)
表4 eSTIC和STIC容积数据图像质量分级一致性性评价
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