Quantitative digital analysis of regional placental perfusion using power doppler in placental abruption

Welsh, A.W., Bennett, P.R. and Fisk, N.M. (2001) Quantitative digital analysis of regional placental perfusion using power doppler in placental abruption. Ultrasound in Obstetrics and Gynecology, 17 3: 203-208. doi:10.1046/j.1469-0705.2001.00376.x


Author Welsh, A.W.
Bennett, P.R.
Fisk, N.M.
Title Quantitative digital analysis of regional placental perfusion using power doppler in placental abruption
Journal name Ultrasound in Obstetrics and Gynecology   Check publisher's open access policy
ISSN 0960-7692
1469-0705
Publication date 2001-03-01
Sub-type Article (original research)
DOI 10.1046/j.1469-0705.2001.00376.x
Volume 17
Issue 3
Start page 203
End page 208
Total pages 6
Place of publication West Sussex, United Kingdom
Publisher John Wiley & Sons
Language eng
Formatted abstract
Purpose:
To apply digital imaging techniques to the quantification of placental vascularity using power Doppler.

Materials and methods:
Regional placental blood flow was measured in a case of large placental abruption, shortly after presentation and 1 week later. Images were stored digitally and analysed using purpose-designed software (CQ Analysis) to extract and measure vascular energy information. The integrated color energy (ICE) was determined in the main body of placental tissue and in a cotyledon isolated by the retroplacental clot.

Results:
Initial assessment at 25 weeks showed only a small difference in integrated energy between normal placenta and the isolated cotyledon (ICE ratio 1.44, P < 0.04). One week later, perfusion in the isolated cotyledon had fallen both on qualitative and quantitative assessment (ICE ratio 3.98, P < 0.0001). This area subsequently became devascularized.

Conclusion:

Placental perfusion may be quantified using digital power Doppler analysis. Further studies are indicated to evaluate its role in assessing regional and/or global placental perfusion as well as fetal organ perfusion.
Keyword Digital analysis
Placenta
Power Doppler
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ
Additional Notes Article first published online: 16 December 2002.

Document type: Journal Article
Sub-type: Article (original research)
Collection: Faculty of Health and Behavioural Sciences -- Publications
 
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