Three-Dimensional Doppler Imaging in Placental Vascular Assessment
Summary
Three-dimensional Doppler imaging has emerged as a pivotal tool in the evaluation of placental vascular architecture and function. By capturing volumetric flow data rather than planar slices, this approach permits quantification of utero-placental blood volume, vessel branching patterns and flow characteristics across the early and mid‐gestation periods. Integrating power Doppler sensitivity with volumetric rendering techniques enables clinicians and researchers to visualise both macrovascular networks and finer capillary beds, revealing deviations in vascular morphology that may presage complications such as pre-eclampsia or fetal growth restriction. Recent advancements in image acquisition, standardised post-processing algorithms and contrast-enhancement strategies have further refined the reproducibility and diagnostic yield of three-dimensional assessments. Globally, adoption of this technology has improved risk stratification and guided timely interventions, while ongoing developments in automated analysis and machine learning promise to extend its accessibility and predictive accuracy across diverse healthcare settings.
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Three-Dimensional Doppler Imaging in Placental Vascular Assessment publication trend
The graph below shows the total number of articles in three-dimensional doppler imaging in placental vascular assessment across all publications each year (not limited to Nature Index journals).
Technical terms
Three-dimensional power Doppler ultrasound: An imaging modality that combines volumetric acquisition with power Doppler sensitivity to display and quantify blood flow within a three-dimensional volume.
Utero-placental vascular volume (uPVV): A quantitative measurement of the total blood vessel volume within the placental bed, often expressed in cubic centimetres, derived from three-dimensional Doppler data.
Utero-placental vascular skeleton (uPVS): A network-based representation of the placental vasculature obtained by skeletonisation algorithms, detailing branching points and vessel lengths.
Vascularisation index (VI): A dimensionless parameter reflecting the proportion of colour-coded voxels (blood flow) within a region of interest relative to total voxel count, indicating vessel density.
Flow index (FI): An average power Doppler signal intensity within the vascular region of interest, representing mean blood flow intensity.
Vascularisation flow index (VFI): A composite metric combining vessel density and flow intensity to characterise overall placental perfusion.
References
- Maternal serum PlGF associates with 3D power doppler ultrasound markers of utero-placental vascular development in the first trimester: the rotterdam periconception cohort. Angiogenesis (2024).
- Assessment of first-trimester utero-placental vascular morphology by 3D power Doppler ultrasound image analysis using a skeletonization algorithm: the Rotterdam Periconception Cohort. Human Reproduction (2022).
- Application of Color Doppler with 3- and 4-Dimensional Ultrasonography in the Prenatal Evaluation of Fetal Extracardiac and Placental Abnormalities. Healthcare (2023).
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