Reference values for ductus venosus doppler indices of normal gestation at 22-37 weeks: A Vietnamese cohort study

  • Nguyen Thi Hong Thai Nguyen University of Medicine and Pharmacy, Thai Nguyen, Viet Nam.
  • Nguyen Minh Duc Pham Ngoc Thach University of Medicine, Ho Chi Minh City, Viet Nam.
  • Le Hoang National Hospital of Obstetrics and Gynecology, Ha Noi, Viet Nam.
  • Phan Truong Duyet National Hospital of Obstetrics and Gynecology, Ha Noi, Viet Nam.
  • Dang Hong Thien National Hospital of Obstetrics and Gynecology, Ha Noi, Viet Nam.
  • Nguyen Thi Tuyet Mai National Hospital of Obstetrics and Gynecology, Ha Noi, Viet Nam.
  • Hoang Thi Ngoc Tram Thai Nguyen University of Medicine and Pharmacy, Thai Nguyen, Viet Nam.
  • Ngo Minh Xuan Pham Ngoc Thach University of Medicine, Ho Chi Minh City, Viet Nam.
  • Huynh Quang Huy | huyhq@pnt.edu.vn Pham Ngoc Thach University of Medicine, Ho Chi Minh City, Viet Nam.

Abstract

Prenatal doppler ultrasound of the ductus venosus plays an important role in the evaluation of fetal circulation and fetal heart function. We aimed to establish the percentile of Resistivity Index (RI) and Pulsatility Index (PI) of the Ductus Venosus (DV) among normal Vietnamese fetuses with a gestation from 22 to 37 weeks in a cohort study. Normal Vietnamese fetuses with a gestation ranging from 22 to 37 weeks were examined in a cohort study. The PI and RI were recorded from the DV. We analyzed 640 participants who all fulfilled the inclusion and exclusion criteria of our study. Results: There was a significant correlation between RI, PI and gestational age as shown with the equations y = 0.077x – 0.003x2 + 3.493e - 5x3 (r=0.97) and y = 0.106x – 0.004x2 + 4.5e - 5x3 (r=0.94), respectively. A centile module was constructed for the DV RI and PI indices among normal Vietnamese fetuses with gestation from 22 to 37 weeks.

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Published
2020-08-06
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Keywords:
Ductus venosus, Doppler ultrasound, Resistivity index, Pulsatility index
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How to Cite
Hong, N. T., Minh Duc, N., Hoang, L., Duyet, P. T., Thien, D. H., Mai, N. T. T., Tram, H. T. N., Xuan, N. M., & Huy, H. Q. (2020). Reference values for ductus venosus doppler indices of normal gestation at 22-37 weeks: A Vietnamese cohort study. Pediatric Reports, 12(2). https://doi.org/10.4081/pr.2020.8535