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Chinese Journal of Medical Ultrasound (Electronic Edition) ›› 2020, Vol. 17 ›› Issue (09): 874-879. doi: 10.3877/cma.j.issn.1672-6448.2020.09.010

Special Issue: Ultrasound medicine

• Obstetric and Gynecologic Ultrasound • Previous Articles     Next Articles

Three-dimensional power Doppler and color Doppler ultrasound for evaluation of cerebral blood perfusion in fetuses with congenital heart disease

Zhong Yang1, Xuedong Deng1,(), Wei Jiang1, Linliang Yin1, Qi Pan1, Hong Liang1, Jianfang Ma1, Zhongshan Gou1, Zhenqi Wang1   

  1. 1. Center for Medical Ultrasound, Suzhou Hospital Affiliated to Nanjing Medical University, Suzhou 215002, China
  • Received:2019-09-20 Online:2020-09-01 Published:2020-09-01
  • Contact: Xuedong Deng
  • About author:
    Corresponding author: Deng Xuedong, Email:

Abstract:

Objective

To evaluate cerebral blood perfusion in fetuses with congenital heart disease by three-dimensional power Doppler and color Doppler ultrasound.

Methods

The umbilical artery pulsation index (UA-PI) and the middle cerebral artery pulsation index (MCA-PI) were calculated by two-dimensional color Doppler ultrasound in 156 fetuses at Suzhou Hospital Affiliated to Nanjing Medical University from January 2017 to August 2018, including 105 normal fetuses (control group) and 51 fetuses with congenital heart disease. The ratio of MCA-PI to UA-PI was also calculated (CPR=MCA-PI/UA-PI). Three-dimensional power Doppler ultrasound combined with virtual organ computer-assisted analysis (VOCAL) technology was utilized to assess blood perfusion parameters of the proximal part of the middle cerebral artery, including vascularization index (VI), blood flow index (FI), and vascularization blood flow index (VFI), to evaluate the fetal cerebral perfusion during pregnancy. Z value was corrected for the measured data. ANOVA was then used to compare the above parameters among normal fetuses and fetuses with different congenital heart diseases including transposition of the great arteries (TGA), hypoplastic left heart syndrome (HLHS), left sided obstructive lesions (LSOL), and right sided obstructive lesions (RSOL), followed by Bonferronni's method for pairwise comparisons.

Results

Compared with the normal control group, there was a significant reduction in MCA-PI (1.27±0.30 vs 1.30±0.30 and 2.15±0.48) and CPR (1.26±0.29 vs 1.32±0.18 and 1.92±0.58), and a significant increase in VI (71.71±19.57 vs 68.11±14.35 and 42.19±16.29), FI (88.71±12.53 vs 81.80±14.21 and 50.15±17.76), and VFI (34.70±7.17 vs 35.98±6.52 and 20.90±11.06) in HLHS fetuses and LSOL fetuses (P<0.001 for all). However, there was no significant difference in MCA VI, F, or VFI among the RSOL fetuses, TGA fetuses, and the normal fetuses (P>0.05).

Conclusion

Fetal cerebral perfusion with congenital heart disease significantly increases, especially in fetuses with HLHS and LSOL. Prenatal application of three-dimensional power Doppler and color Doppler ultrasound can effectively evaluate cerebral perfusion in fetuses with these congenital heart diseases.

Key words: Ultrasound, Congenital heart disease, Brain blood flow

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