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Three-dimensional power Doppler placental vascularisation indices in early pregnancy: A pilot study.
MedLine Citation:
PMID:  21534745     Owner:  NLM     Status:  In-Data-Review    
The objective of our study was to assess 1st trimester placental vascularisation using three-dimensional (3D) power Doppler vascular indices. A cross-sectional study was used involving 41 normal pregnancies from 7 to 10 + 6 weeks. Placental volume was obtained using the 30° virtual organ computer-aided analysis (VOCAL) method. The mean, median, standard deviation (SD), minimum and maximum values were calculated for three vascular indices: the VI, vascularisation index; the FI, flow index and the VFI, vascularisation and flow index. Pearson's correlation coefficient (r) was used to assess the correlation between vascular indices and crown-rump length (CRL). Our results showed mean (± SD) values ranged from 8.66 ± 12.04 to 15.34 ± 13.89 for the VI, from 63.83 ± 43.61 to 109.22 ± 33.87 for the FI and from 9.52 ± 13.86 to 20.59 ± 22.97 for the VFI. There was no correlation between CRL and VI (r = 0.073, p = 0.630) nor VFI (r = 0.147 and p = 0.037); there was a weak correlation between CRL and FI (r = 0.332, p = 0.037). It was concluded that the FI was the only 3D power Doppler vascular index that was correlated with CRL between 7 and 10 + 6 weeks' gestation.
E Araujo Júnior; L M; M Nardozza; P M Nowak; L C Rolo; H A Guimarães Filho; A F Moron
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology     Volume:  31     ISSN:  1364-6893     ISO Abbreviation:  J Obstet Gynaecol     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-05-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8309140     Medline TA:  J Obstet Gynaecol     Country:  England    
Other Details:
Languages:  eng     Pagination:  283-5     Citation Subset:  IM    
Department of Obstetrics, São Paulo Federal University (UNIFESP), São Paulo, SP, Brazil.
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