Blood flow volume of uterine arteries in human pregnancies determined using 3D and bi-dimensional imaging, angio-Doppler, and fluid-dynamic modeling

S. Rigano, E. Ferrazzi, S. Boito, G. Pennati, A. Padoan, H. Galan

Research output: Contribution to journalArticlepeer-review

Abstract

The primary aim of this pilot study was to study uterine artery (UtA) blood flow volume in uneventful human pregnancies delivered at term, at mid and late gestation by means of 3D and bi-dimensional ultrasound imaging with angio-Doppler combined with fluid-dynamic modeling. Secondary aims were to correlate flow volume to placental site and to UtA Pulsatility Index (PI). Women with singleton, low-risk pregnancies were examined at mid and late gestation. The structure and course of the uterine artery (UtA) was studied in each patient by means of 3D-angio-Doppler and included vessel diameter D, blood flow velocity and PI (measured along the UtA). Fetal weight estimation and placental insertion site were assessed by ultrasound. A robust fluid-dynamic modeling was applied to calculate absolute flow and flow per unit fetal weight. Mean UtA diameter and blood flow velocity increased significantly (p 

Original languageEnglish
Pages (from-to)37-43
Number of pages7
JournalPlacenta
Volume31
Issue number1
DOIs
Publication statusPublished - Jan 2010

Keywords

  • Blood flow volume
  • Doppler velocimetry
  • Pregnancy
  • Ultrasound
  • Uterine artery

ASJC Scopus subject areas

  • Developmental Biology
  • Obstetrics and Gynaecology
  • Reproductive Medicine

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