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Updated: Apr 8, 2026
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Three-dimensional Rendering and Analysis of Immunolabeled, Clarified Human Placental Villous Vascular Networks
Published on: March 29, 2018
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Shape matching algorithm to validate the tracing protocol of placental chorionic surface vessel networks.
R G Shah1, C M Salafia2, T Girardi1
1Placental Analytics, LLC, Larchmont, NY, USA.
Placenta
|June 24, 2015
Summary
Researchers developed a method to trace placental chorionic surface vessel networks (PCSVNs) from 2D images. This technique accurately captures PCSVN structure, aiding in the assessment of fetal health and wellbeing.
Area of Science:
- Obstetrics and Gynecology
- Developmental Biology
- Medical Imaging
Background:
- Placental chorionic surface vessel networks (PCSVNs) exhibit variability potentially linked to fetal development and health.
- Understanding PCSVN structure is crucial for assessing fetal wellbeing.
Purpose of the Study:
- To establish and validate a protocol for manually tracing PCSVNs from digital 2D images of placentas.
- To assess the comparability of tracings from unmanipulated PCSVNs versus paint-injected PCSVNs.
Main Methods:
- Manual tracing of PCSVNs from digital 2D images of post-delivery placentas.
- Validation using a shape matching method to compare tracings of paint-injected and unmanipulated (uninjected and deflated) vessels.
- Analysis of network similarity between the two tracing methods.
Main Results:
- Manual tracings of unmanipulated PCSVNs yield networks highly comparable to those obtained from paint-injected PCSVNs.
- The developed protocol demonstrates reliability in capturing PCSVN structure.
Conclusions:
- Manual tracing of unmanipulated PCSVNs is a valid method for analyzing placental vasculature.
- This technique can extract key features of PCSVN growth and structure relevant to fetal wellbeing.
